Patent Grant
11376489
The disclosure relates to card-handling devices and related assemblies, components, and methods. In particular, embodiments of the disclosure relate to card-handling devices, card input portions of card-handling devices, card output portions of card-handling devices, card-shuffling carousels of card-handling devices, and methods of shuffling cards.
Wagering games are often based on the outcome of randomly generated arrangements of cards. Such games are widely played in gaming establishments and, often, a single deck or multiple decks of fifty-two (52) playing cards may be used to play the game. Gaming using multiple decks of playing cards may include, for example, six to ten decks used in games such as blackjack and baccarat and one or two decks of playing cards used in games such as single and double deck blackjack. Many other specialty games may use single or multiple decks of cards, with or without jokers and with or without selected cards removed or special cards added.
From the perspective of players, the time the dealer must spend in shuffling diminishes the excitement of the game. From the perspective of casinos, shuffling time reduces the number of hands played and specifically reduces the number of wagers placed and resolved in a given amount of time, consequently reducing casino revenue. Casinos would like to increase the amount of revenue generated by a game without changing the game or adding more tables. One option to increase revenue is to decrease the time the dealer spends handling and shuffling playing cards. This may be accomplished by using one set of cards to administer the game while shuffling a second set of cards. Other options include decreasing shuffling time.
The desire to decrease shuffling time has led to the development of mechanical and electromechanical card-shuffling devices. Such devices increase the speed of shuffling and dealing, thereby increasing actual playing time. Such devices also add to the excitement of a game by reducing the amount of time the dealer or house has to spend in preparing to play the game.
However, the card output area or shoe used in conjunction with shufflers often places strain on dealers' hands and wrists by using card distribution interfaces to output cards that are oriented at a substantial acute angle relative to the table surface. To draw cards from these shoes, dealers often have to twist their wrists repeatedly at awkward and uncomfortable angles. Moreover, shoes often are not easily adjustable to meet a dealer's card drawing preference (e.g., direction in which dealers prefer to draw a card relative to the table).
Card counting is also a significant problem, for example, when administering a card game dealt from a shoe. Automatic card shufflers or hand shuffling methods may be used to prepare cards for insertion into the shoe. Casinos often lose a house advantage when players are able to predict what cards remain to be dealt from the shoe and the proximity of those cards to being dealt. It is desirable for casinos to reduce or eliminate the ability for players to count cards. Continuous shuffling machines assist in reducing the ability to count cards, but additional ways to eliminate card counting and improve ergonomics of card delivery would be desirable.
An automatic shuffler that continuously supplies cards to a shoe end for games such as blackjack, baccarat and Casino War, such as the shuffler disclosed in U.S. Patent Publication US2018/0243642 A1, may be problematic to card counters because the majority of the cards remain in the shuffler while a small group of cards is removed to play the game and then returned and intermixed with the cards remaining in the shuffler. There is no “shuffling cycle” or beginning and end to a shuffle. Therefore, players cannot count cards or predict when the shuffler will deliver high value cards more frequently.
When a batch type shuffler is used such as the device described in U.S. Pat. No. 9,220,971, a first set of cards is inserted into the shuffler, shuffled and delivered as a multiple deck set while a second shuffled multiple deck set of cards is being dealt from a shoe. A cut card is placed near the end of the card set in the shoe, and when the dealer draws the cut card, no more rounds may be dealt from the shoe. When batch shuffling is used to randomize the set of cards being transferred to a shoe, players may track the high value cards and estimate the deck penetration to increase bets if the last portion of the shoe is rich in high value cards.
Automatic card shufflers that process relatively large groups of cards, such as eight or more decks, in a single shuffling cycle suffer from having long duration shuffling cycles as compared to a single deck, hand-forming shuffler, for example. For this reason, it is common for a casino to use two complete sets of cards on games administered from a shoe. The casino typically uses a batch-type card shuffler to prepare cards for loading into the shoe while the other set of cards is in play. Even though there is typically sufficient time to perform a shuffle using two sets of cards, it is desirable for the shuffler to perform its operations as swiftly as possible so that the next set of cards is ready for use in the event that the house requires the dealer to change shoes on short notice. The dealer also may decide to change cards long before the cut card is drawn if he or she suspects players have been counting cards or cheating in other ways. If the next group of cards is not yet completely shuffled, the game may be delayed. Any delay in shuffling can cause a revenue loss for the casino, and should generally be avoided.
Modern shufflers contain many security features to assure that the set of shuffled cards is complete and adequately shuffled. For example, modern shufflers perform a count of shuffled cards to verify the set is complete. Some newer shufflers read the rank and suit of each card shuffled to verify that the card set composition is correct. If the shuffler stops shuffling for any reason, such as detecting extra or fewer cards in the set, or due to a shuffler malfunction, the game may be delayed, and revenue can be lost. Although it is desirable to stop a game that is using an invalid set of cards for security reasons, there are other reasons why a game might be delayed, such as when a shuffler malfunctions, or the shuffler aborts the shuffle because of unreadable cards. When a shuffler with card recognition is employed in a casino, it may have a card recognition system that is trained to only read card faces. If the card reader attempts to read a flipped card that exposes the card back to the reader, the card reader may fail to recognize the card. Other card reading systems may be trained to recognize a card back so that when a card is flipped and the card back is read, the system may generate a signal indicating that a card is flipped over. Flipped cards and unrecognized cards typically cause the machine to abort the entire shuffle. Any time a shuffle is aborted, the game can be delayed, causing revenue loss for the casino.
Some embodiments of the present disclosure may include a card-handling device. The card-handling device may include a card intake, a playing card-shuffling apparatus, a card rotation device, and a card output. The card intake may be configured to receive one or more playing cards. The output may be configured to provide at least one of the one or more playing cards. The playing card-shuffling apparatus may be positioned along a card path between the card intake and the card output. The playing card-shuffling apparatus may be configured to randomize at least some of the one or more playing cards. The card rotation device may be positioned along the card path between the card intake and the card output. The card rotation device may be configured to rotate at least one of the one or more playing cards about a minor axis of the one or more playing cards to randomly alter an orientation of lateral edges of the one or more playing cards. The minor axis of the one or more playing cards may extend through a thickness of the at least one of the one or more playing cards in a direction transverse to a longitudinal axis and a lateral axis thereof. The minor axis may be normal to a plane that is coplanar with a face of a card and may be located in the center of the card.
Some embodiments of the present disclosure may include a method of deterring card edge pattern cheating. The method may include receiving cards in a card-handling device. The method may further include transporting the cards between a card rotation device and a card-shuffling apparatus. The method may also include rotating the cards with the card rotation device from a first orientation to a second orientation about a minor axis of the cards after one or more cards are received in the card rotation device to alter an orientation of lateral edges of the cards. The minor axis of the cards may extend through a thickness of the cards in a direction transverse to a longitudinal axis and a lateral axis of the cards to randomize an orientation of the lateral edges of the cards. The method may further include shuffling an order of the cards in the card-shuffling apparatus. The method may also include outputting at least one card to a card output area after the at least one card has been transported through both the card rotation device and the card-shuffling apparatus.
Some embodiments of the present disclosure may include a card-handling device including a playing card-shuffling apparatus and a card rotation device. The card rotation device may be configured to rotate one or more playing cards about a minor axis of the one or more playing cards to alter an orientation of lateral edges of the one or more playing cards. The minor axis of the one or more playing cards extends through a thickness of the one or more playing cards in a direction transverse to a longitudinal axis and a lateral axis of the one or more playing cards. The card rotation device may be configured to rotate the one or more playing cards as at least one of the one or more playing cards enters the shuffling apparatus.
Some embodiments of the present disclosure may include a card-handling device including a card input configured to rotate at least one playing card from a group of playing cards about a minor axis of the at least one playing card to alter an orientation of lateral edges of the at least one playing card. The minor axis of the at least one playing card extends through the thickness of the at least one playing card in a direction transverse to a longitudinal axis and lateral axis of the at least one playing card. The card input may be configured to enable the at least one playing card to be provided to a card-shuffling apparatus for shuffling playing cards after the orientation of the at least one playing card has been altered.
Some embodiments of the present disclosure may include a card-handling device configured to be mounted at or proximate a gaming surface. The card-handling device may include a card-shuffling apparatus and a card rotation device. The card rotation device may be configured to receive playing cards in a substantially flat orientation and alter an orientation of a leading edge of at least some of the playing cards while maintaining at least some of the playing cards in the substantially flat orientation.
Some embodiments of the present disclosure may include a card-handling device configured to be positioned at a gaming structure having a playing surface. The card-handling device may include a card-shuffling apparatus and a card output portion. The card output portion may be configured to receive playing cards from the card-shuffling apparatus when the card output portion is in a first position. The playing cards may be positioned by the card-shuffling apparatus to be received into the card output portion with major faces of the playing cards oriented in a plane substantially transverse to the playing surface. The card output portion may be further configured to transport the playing cards to a second position where at least a portion of the card output portion is accessible from the playing surface.
Some embodiments of the present disclosure may include a method of shuffling cards. The method may include inputting cards into a card rotation device. The method may include rotating the card rotation device about a minor axis of the cards to alter an orientation of lateral edges of the cards to randomize an orientation of the lateral edges of the cards as the cards are being transferred into a card-shuffling apparatus. The minor axis of the cards extends through a thickness of the cards in a direction transverse to a longitudinal axis and a lateral axis of the cards. The method may further include transporting the cards from the card rotation device into a card-shuffling apparatus. The method may include outputting at least one card from the card-shuffling apparatus into a card output area.
Some embodiments of the present disclosure may include a method of shuffling cards. The method may include inputting cards into a card-handling device in an orientation substantially parallel to a horizontal plane. The method may include transporting the cards to a card-shuffling apparatus. The method may further include outputting the cards into a card output area in an orientation substantially perpendicular to the horizontal plane.
Some embodiments of the present disclosure may include a card-handling device including a card-shuffling apparatus. The card-shuffling apparatus may include a carousel having a number of compartments, for example, at least one-hundred compartments. The compartments may be arranged radially about the carousel and configured to hold between one and ten cards in each compartment.
Some embodiments of the present disclosure may include a card-shuffling carousel including compartments arranged radially about the carousel. The compartments may be configured to hold at least one card. The compartments may include an aperture defined by at least two arms and a resilient material. The resilient material may extend between a bottom retention and a top retention in at least one of the at least two arms. The resilient material may have a length greater than a distance between the bottom retention and the top retention. At least one of the bottom retention and the top retention may be a movable connection.
Some embodiments of the present disclosure include a card-handling device for use with a gaming surface. The card-handling device may include a retractable card input portion, a transportation device, a card-shuffling apparatus, and a card outlet. The retractable card input portion may be configured to receive playing cards in an orientation substantially parallel to the gaming surface. The transportation device may be configured to transfer the playing cards from the retractable card input portion to the card-shuffling apparatus within the card-handling device. The card outlet may be configured to receive the playing cards from the card-shuffling apparatus and deliver the playing cards to a location proximate the gaming surface in an orientation substantially transverse to the gaming surface.
Some embodiments of the present disclosure may include a card-handling device configured to be positioned at least partially below a gaming table upper surface. The card-handling device may include a card intake area, a card-shuffling apparatus, and an output area. The card intake area may be configured to feed cards into the card-shuffling apparatus in an orientation substantially parallel to a surface of the gaming table. The output area may be configured to receive the cards from the card-shuffling apparatus in an orientation substantially transverse to the surface of the gaming table in an area beneath the surface of the gaming table and transport the cards to an area at least partially above the surface of the gaming table.
Some embodiments of the present disclosure may include a method of altering an orientation of cards being shuffled in an automatic card shuffler. The method may include providing an automatic card shuffler with a user display; a card intake, a card outlet, a card-shuffling apparatus, a card path between the card intake and the card output, a card-imaging system, at least one processor configured to control the card-imaging system, the user display, and the card shuffler. The card-shuffling apparatus may include multiple compartments. The method may further include receiving a plurality of cards in the card intake. The cards may be arranged in a stack wherein cards are generally arranged with card faces in a face to back orientation. The method may also include automatically feeding each card individually from the stack along the card path and inserting the card into one of the multiple compartments of the card-shuffling apparatus. The method may further include reading card face information of each card as the card is being fed with the card-imaging system. The method may also include identifying unreadable cards, wherein unreadable cards include cards that lack card face information from the card-imaging system. The method may further include inserting the unreadable cards into at least one designated compartment in the card-shuffling apparatus. The method may also include randomly inserting each card not identified as unreadable into a randomly selected compartment. The method may also include unloading all cards except the cards in the at least one designed compartment into the card outlet, forming a stack of cards, wherein each card in the stack of cards is oriented in the face to back orientation. The method may further include unloading the unreadable cards from the at least one designated compartment and adding the unreadable cards to the stack after unloading all other cards. The method may also include causing the user display to display an alert indicating that at least one card in the outlet requires at least one of inspection or reorientation. The method may further include accepting at least one reoriented card from the card output in the card intake. The method may also include automatically feeding each card of the at least one reoriented card in the card intake into the card shuffler. The method may further include unloading the at least one reoriented card in the card shuffler to the card outlet. The method may also include combining the at least one reoriented card with the stack of cards in the card outlet to form a shuffled set of cards in the face to back.
Some embodiments of the present disclosure may include a card-handling device. The card-handling device may include a card intake, a card output, a playing card-shuffling apparatus, and a card-imaging system. The card intake may be configured to receive playing cards. The card output may be configured to provide at least one of the playing cards. The playing card-shuffling apparatus may be positioned along a card path through the card-handling device and configured to randomize at least some of the playing cards, the playing card-shuffling apparatus comprising multiple compartments. The card-imaging system may be positioned along the card path and configured to image a surface of the playing cards. The card-imaging system may be configured to recognize card face information and identify one or more unreadable playing cards. The one or more unreadable playing cards may be playing cards that do not include card face information on the surface of the playing cards oriented toward the card-imaging system. The playing card-shuffling apparatus may be configured to receive the one or more unreadable playing cards in at least one dedicated compartment selected from the multiple compartments.
While the specification concludes with claims particularly pointing out and distinctly claiming embodiments of the present disclosure, the advantages of embodiments of the disclosure may be more readily ascertained from the following description of embodiments of the disclosure when read in conjunction with the accompanying drawings in which:
The illustrations presented herein are not meant to be actual views of any particular card-handling device or component thereof, but are merely idealized representations employed to describe illustrative embodiments. The drawings are not necessarily to scale. Elements common between figures may retain the same numerical designation.
As used herein, any relational term, such as “first,” “second,” “over,” “beneath,” “top,” “bottom,” “underlying,” “up,” “down,” etc., is used for clarity and convenience in understanding the disclosure and accompanying drawings, and does not connote or depend on any specific preference, orientation, or order, except where the context clearly indicates otherwise. For example, these terms may refer to an orientation of elements of the card-handling device relative to a surface of a table on which the card-handling device may be positioned, mounted, and/or operated (e.g., as illustrated in the figures).
As used herein, the terms “vertical” and “horizontal” may refer to a drawing figure as oriented on the drawing sheet, and are in no way limiting of orientation of an apparatus, or any portion thereof, unless it is apparent that a particular orientation of the apparatus is necessary or desirable for operation in view of gravitational forces. For example, when referring to elements illustrated in the figures, the terms “vertical” or “horizontal” may refer to an orientation of elements of the card-handling device relative to a table surface of a table to which the card-handling device may be mounted and operated.
As used herein, the term “and/or” means and includes any and all combinations of one or more of the associated listed items.
As used herein, the terms “substantially,” “approximately,” or “about” in reference to a given parameter means and includes to a degree that one skilled in the art would understand that the given parameter, property, or condition is met with a degree of variance, such as within acceptable manufacturing tolerances, or wherein the variance is with respect to a general parameter, such as an orientation. For example, a parameter that is substantially met may be at least about 90% met, at least about 95% met, at least about 99% met, or even 100% met.
One cheating method employed by card players is often referred to as “edge cheating.” Edge cheating takes advantage of imperfections in the card manufacturing process. Most card backs have patterns that intersect the cut lines, while other card backs have solid edges on the cut lines. Players who engage in edge cheating will generally target casinos that use cards with card back patterns that extend to the outer edges of the card backs. This scheme also depends upon the dealer gathering up cards and returning them to the discard rack, shuffler, and/or shoe without rotating the cards about an axis normal to the card face, changing the card orientation. In other words, regardless of where the card is, the same long side of the card remains in the same rotational orientation whether it is on the table, in the shuffler or in the shoe. Dealers generally do not reorient cards because it takes additional time. An edge cheater will generally observe how the dealer handles the cards as the cards are collected off the table and returned to the discard rack to determine if the dealer's handling method retains the same orientation of the cards. If the dealer consistently retains the same card orientation during handling, the cheater will generally select that dealer to engage in edge cheating.
During manufacturing of playing cards, multiple cards are typically printed in rows and columns on a large sheet of card stock and then the individual cards are stamped or otherwise cut from the sheet. The center of the card-cutting die must be aligned centrally with the center of the card back in order for the pattern at the opposite long edges to appear identical, as shown in
All cards in the deck will likely have approximately the same edge cut pattern, because a large number of cards are cut at the same time from the same sheet of card stock. If one card is slightly misaligned, the others will also be similarly misaligned. As the cards are formed into decks in the factory, the cards maintain the same alignment, and all cards that are misaligned will have an edge pattern along the right long side of the card back that has a different appearance than the edge pattern along the left long side of the card back. Card cheats take advantage of this knowledge.
When cards are manually removed from a shoe or output location, the card is oriented such that the leading edge of the card exiting the shoe is one of the long edges. This cheating method requires the cheater to examine and compare the edge cut patterns near the leading edges of the long sides or the short sides.
Typically, the center of the card back design is slightly misaligned with respect to the center of the card cutter or die. If the card face is perfectly aligned with the die, the card will be cut through the same part of the pattern, and both long edges will appear identical or nearly identical, and edge cheating is not possible. Asymmetrical as used herein may be used to refer to the card backs of the misaligned cut cards. Symmetrical as used herein may be used to refer to the cards that have card backs aligned centrally with the center of the die.
Not all of the card backs with a deck of cards appear identical. The differences between card edge cuts is one of a matter of degree, not an absolute difference. The asymmetrically cut cards will have more variation in the edge cut pattern than the more symmetrical cards.
In order to engage in this card cheating method, the player may rotate some or all favorable cards (e.g., high value cards, ten value cards, face cards, low value cards, etc.) 180° about a minor axis 25 (e.g., an axis extending into the paper, an axis in the z plane) on the table or in the player's hand before the cards are collected by the dealer. The next time this same card is drawn, the opposite leading edge will come out of the shoe first, and the player will recognize the edge as different, giving the player advance knowledge of the card's value.
In some embodiments, the edge cheater may rotate the asymmetrical card in
If the casino is using a continuous shuffler, such as, for example, the Shuffle Star shuffler as described in U.S. Patent Application Publication No. U.S. 2018/0243642 A1, the disclosure of which is hereby incorporated herein in its entirety by this reference, the edge cheater may still gain an advantage using this cheating method. Each time the player handles a favorable card and changes the orientation of the card, the player stands an improved chance of obtaining advanced knowledge of the next card drawn, which may be used to make hit/stand and betting decisions and may give the player a greater advantage over time. For instance, a player may bet a higher amount or make additional bets using this information.
When the card backs have a solid border, “edge detection” can still be used if the border print is not symmetrical with the card back design, or the pattern is not centrally aligned with the border. The “edge detection” would be dependent on the thickness of the solid border between the edge of the print and the card edge, or the print pattern at the border edge instead of at the actual card edge. Edge cheating can be practiced using any cards that have a printed back and that have indicia at the long edges that do not appear identical from edge to edge.
Some embodiments of the present disclosure may include card-handling devices having a card rotation device (e.g., rotatable card input portion, rotatable card intake, rotating elevator, rotating card input device, etc.). The card rotation device may rotate playing cards about a minor axis, normal to a face of the cards, such that an orientation of the lateral edges of the playing cards may be randomized, for example, before entering a shuffling apparatus. Randomizing the orientation of the lateral edges of the playing cards may work to prevent some forms of card manipulation, card recognition, or card counting that are becoming more prevalent in games involving playing cards, for example, by recognizing any visual edge variations (e.g., edge sorting, edge cheating, etc.), differences, and/or anomalies, from manufacture, handling or intentional marking.
Some embodiments of the present disclosure may include a card output storage area (e.g., area where the playing cards are stored after exiting the shuffling apparatus and before entering the gaming area) that stores the playing cards in a substantially horizontal stack. The cards may exit the shuffling apparatus in a substantially vertical orientation (e.g., where a major face of the cards lies in a plane normal to the gaming area). The card output storage area may receive the cards in substantially the same orientation as the cards exiting the shuffling apparatus. A horizontal card output storage area may provide for additional storage space allowing the use of greater numbers of decks over existing designs and may allow for more compact designs providing more efficient use of space. In addition, by providing a larger storage space, larger sets of cards may be shuffled in a shuffling cycle, which increases table productivity because fewer shuffling cycles are required over a fixed unit of time, such as a shift of game play.
Some embodiments may include a shuffling apparatus capable of handling greater numbers of cards than conventional designs. The shuffling apparatus may include multiple compartments for holding cards. In some embodiments, the compartments may include a securing element and a card-handling aperture to make more efficient use of space allowing for a more compact arrangement of the compartments and provide an increased capacity for the shuffling apparatus. In some embodiments, the compartments may be modular, which may result in efficiency improvements especially for repair and replacement of compartments.
As discussed herein, any disclosure regarding the functioning of the card-handling device 100 and associated components may be performed (e.g., automatically performed without operator intervention) by one or more portions (e.g., local or remote portions) of the card-handling device 100 (e.g., one or more processors of the control system 104, optionally along with associated memory). In other embodiments, the functions may be at least partially performed by (e.g., by inputting one or more commands into the control system 104 or manually), or assisted by, the operator.
In some embodiments, as shown in
In some embodiments, the card intake area 202 may be configured to hold up to 650 playing cards, such as, between about 50 playing cards and about 650 playing cards, or between about 500 playing cards and about 600 playing cards, or about 520 playing cards (e.g., about ten decks of cards with or without extra cards, such as wild or other special cards).
In some embodiments, the card intake area 202 and card outlet 204 may be configured to elevate and retract relative to the top surface 108 of the card-handling device 100. The card intake area 202 and card outlet 204 may retract below the gaming surface, such that the card-handling device 100 with the exception of display 106, has a minimal, if any profile above the gaming surface, as shown in
Maintaining a low profile while not in use may reduce the area required for the card-handling device to be used in or adjacent to gaming tables, which may reduce the size required for a gaming table to occupy. In some embodiments, the card-handling device 100 may have a profile such that the top surface 108 may be incorporated into the gaming surface with the game being played on at least a portion of the top surface 108 of the card-handling device 100, which may result in the dedicated space for the card-handling device 100 in the surface of the gaming table being reduced and/or eliminated. In other embodiments, the card-handling device may be placed adjacent to a gaming table on the dealer side thereof, and supported by the gaming table via a bracket system or on the casino floor with height-adjustable legs or a pedestal.
In some embodiments, the bottom wall 206e may include at least one aperture 304 (e.g., void, opening, hole, etc.). In some embodiments, the at least one aperture 304 may allow the card input portion 110 (
Referring back to
In some embodiments, the retention brackets 312 may have biasing elements 314 (e.g., springs, resilient members, compressible fluid, etc.) configured to bias the retention brackets 312 toward a closed position. In some embodiments, the retention brackets 312 may have an angular face 316, such that, when the operator inserts the unshuffled cards between the retention brackets 312 the retention brackets 312 are forced into an open position by the interface between the unshuffled cards and the angular face 316 of the retention brackets 312. The biasing elements 314 may return the retention brackets 312 to a closed position after the unshuffled cards have passed through the open face 208 between the retention brackets 312.
In some embodiments, the card intake area 202 may include a rotational input 308 (e.g., spindle, gear, shaft, differential, motor, gearbox, or cog). The rotational input 308 may be configured to rotate the card intake area 202 about a vertical axis 310 of the card intake area 202. In some embodiments, the vertical axis 310 may coincide with the minor axis 25 (
In some embodiments, the rotational input 308 may be configured to rotate the card intake area 202 when in an elevated position and/or in a retracted position. For example, the rotational input 308 may be configured to rotate the card intake area 202 while transitioning from the elevated position to the retracted position and/or while transitioning from the retracted position to the elevated position. The rotational input 308 may also be configured to rotate the card intake area 202 while in the retracted position and while cards are being transferred to the card-shuffling apparatus 114 (
As depicted, the rotational input 308 may be a gear (e.g., cog, spline, helical gear, tapered gear, etc.). In some embodiments, the rotational input 308 may remain disengaged when the card input area 202 is not in the retracted position. For example, the rotational input 308 may engage a rotational drive 502 (
In other embodiments, the rotational input 308 may be remain engaged (e.g., be permanently engaged) with a gearbox configured to input rotation into the rotational input 308 in the elevated position, the retracted position or at any point during the transition between the elevated position and/or the retracted position.
In other embodiments, the rotational input 308 may include any type of linkage. For example, the rotational input 308 may be formed as a shaft (e.g., a keyed shaft) with one or more discontinuous sides (e.g., linear sides) that may engage with a complementary opening to link the shaft to the rotational drive 502. In this and other embodiments, the linkage of the rotational input 308 may engage and disengage from the rotational drive 502 or may remain constantly engaged.
The playing cards may exit the card intake area 202 through the one of the gaps 302 (
In some embodiments, the playing cards may be rotated individually. For example, the card intake area 202 may rotate at least 180° after each playing card is removed from the card intake area 202. In some embodiments, the playing cards may be rotated randomly. For example, a selector (e.g., random number generator) in the form of a program, algorithm, circuit, etc., may generate a random number after the card intake area 202 is rotated. After the random number of playing cards is removed from the card intake area 202, the card intake area 202 may rotate at least 180° and a new random number may be generated. In some embodiments, the playing cards may be rotated pseudo-randomly. For example, a program, algorithm, and/or circuit may be configured to output different numbers in a preconceived series or pattern. A new number may be output each time the card intake area 202 rotates. The card intake area 202 may rotate each time the number of playing cards is removed from the card intake area 202. In some embodiments, the playing cards may be rotated in sets or batches according to at least one predetermined formula or algorithm. For example, the card intake area 202 may rotate at least 180° and remove a first number of cards (e.g., one card) from the card intake area 202, rotate at least 180° and remove a second number of cards (e.g., four cards) from the card intake area 202, and repeat or continue on in a selected or randomized pattern. In another example, the card intake area 202 may rotate at least 180° and remove three cards from the card intake area 202, rotate at least 180° again and remove ten cards from the card intake area 202, and repeat. In another example, the card intake area 202 may rotate at least 180° and remove one card from the card intake area 202, rotate at least 180° and remove X+3 cards from the card intake area 202, where X is the total number of cards removed from the card intake area 202 in the previous position.
In some embodiments, the card intake area 202 may be configured to rotate a specified number of times during each shuffling cycle (e.g., at an interval comprising a number of cards delivered and/or a duration of time). For example, the specified number of times the card intake area 202 rotates may be selected based on the number of playing cards in the card intake area 202. In some embodiments, the specified number of rotations may be input by a user. In other embodiments, the specified number of rotations may be randomly selected from a range of numbers. For example, the range of numbers may be between 1 and 20 rotations for each shuffling cycle. In some embodiments, an interval between rotations may be substantially equal for each rotation. In some embodiments, the interval between rotations change for each rotation. For example, the interval between rotations may change randomly or pseudo-randomly through algorithms, programs, circuits, random number generators, etc.
If the sets or batches of cards between rotations of the card intake area 202 become too large, the rotated favorable cards may still be detectable as being inconsistent from the surrounding cards. Reducing the number of cards removed in each batch may further frustrate the efforts of an edge cheater. In some embodiments, the number of playing cards removed in each position or batch may be limited. For example, the number of playing cards that may be removed from the card intake area 202 before the card intake area 202 rotates may be limited to less than about twenty playing cards, such as between about one playing card and about fifteen playing cards or between about two playing card and about ten playing cards.
In some embodiments, the card-imaging system 604 may be oriented along the first card pathway 608 of the first card feed system 402. The first card feed system 402 may transport playing cards past the card-imaging system 604, and the card-imaging system 604 may capture identifying information of each playing card as each playing card moves along the first card pathway 608 before insertion into the card-shuffling apparatus 114. For example, the card-imaging system 604 may include a camera or line scanning device that captures an image or scan of each card. In some embodiments, the card-imaging system 604 may comprise one or more of the imaging devices described in U.S. Pat. No. 7,933,448 to Downs, issued Apr. 26, 2011, in U.S. Pat. No. 7,764,836 to Downs et al., issued Jul. 27, 2010, or in U.S. Pat. No. 8,800,993 B2 to Blaha et al., issued Aug. 12, 2014, the disclosure of each of which is incorporated herein in its entirety by this reference. In some embodiments, the card-imaging system 604 may not need to capture an image of an entire card, but may detect only rank and suit information, indicia (e.g., markings) on the playing cards, such as, for example, a lot number, a casino identifier, a shoe number, a shift number, a table number, bar code, glyph, any other known type of special marking, or combinations thereof. In some embodiments, the control system 104 (
In some embodiments, the one or more sensors 606 of the card input portion 110 may be oriented proximate the card intake area 202 and may be used to sense whether playing cards are present in the card intake area 202 or whether playing cards are being passed from the card intake area 202 to the first card pathway 608. Furthermore, the sensor 606 may be configured to send signals to the control system 104 (
In some embodiments, the card input portion 110 may include a restricted portion 650 of the first card pathway 608. For example, the restricted portion 650 may restrict a lateral and/or longitudinal dimension of the card pathway 608 in order to restrict unwanted movement (e.g., bending) of the cards as they moved toward and into the card-shuffling apparatus 114.
In some embodiments, the card input portion 110 may include an elongated packer arm 622. The elongated packer arm 622 may rotate about a packer arm shaft 624 and a pushing surface 626 of a pusher arm 628 of the elongated packer arm 622 may translate partially along the first card pathway 608 of the first card feed system 402 to ensure proper loading of the playing cards into the card-shuffling apparatus 114. A motor 630 may rotate an eccentric cam member 632, which may, cause the elongated packer arm 622 to rock back and forth along an arc-shaped path through a connector link 634.
In some embodiments, the elongated packer arm 622 may be used to provide additional force to a trailing end of a playing card along the first card pathway 608 as the playing card leaves the pair of rollers 620a, 620b. For example, the elongated packer arm 622 may be located in the card-handling device 100 such that the pushing surface 626 of the pusher arm 628 of the elongated packer arm 622 may abut against a trailing edge of a playing card and force the playing card at least substantially completely into the card-shuffling apparatus 114. In some embodiments, the elongated packer arm 622 may be similar to the devices disclosed in the aforementioned U.S. Pat. Nos. 6,659,460, 7,766,332, and 8,800,993 B2, the disclosures of each of which are incorporated herein in their entireties by this reference.
In some embodiments, the adjacent fingers 706 may include a biasing element (e.g., spring, leaf spring, inverted spring, inverted leaf spring, resilient member, etc.) providing biasing pressure between the adjacent fingers 706 for assisting in holding playing cards securely within the compartments 704 after the playing cards are inserted into the multi-compartment carousel 702. In some embodiments, each compartment 704 may be sized and shaped to hold between one and ten playing cards, such as between two and seven playing cards, between one and five playing cards or between four and five playing cards.
In some embodiments, the multi-compartment carousel 702 may have between about eighty or one-hundred compartments and about two-hundred compartments, such as between about one-hundred compartments and about one-hundred-sixty compartments, between about one-hundred-twenty compartments and about one-hundred-forty compartments, or about one-hundred-thirty compartments. In some embodiments, the multi-compartment carousel 702 may be configured to hold up to six-hundred-fifty individual cards, such as between about fifty cards and about six-hundred-fifty cards, between about five-hundred cards and about six-hundred cards, or about five-hundred-twenty cards.
In some embodiments, the compartments 704 may be modular. For example, the multi-compartment carousel 702 may be defined by a number of compartment modules 712 extending radially from the rotatable center member 708. In some embodiments, the compartment modules 712 may be individually removable from the rotatable center member 708. For example, each compartment module 712 may be secured to the rotatable center member 708 with hardware (e.g., screws, bolts, nuts, studs, pins, etc.), clamps (e.g., toggle clamps, latch clamps, spring clamps, screw clamps, etc.), or latches (e.g., draw latch, pin and tube latch, toggle latch, barrel latch, rotary latch, etc.).
The compartment modules 712 may be coupled to center member 708 by one or more fasteners 714 (e.g., bolts, screws, etc.). In some embodiments, the compartment modules 712 may include one or more adjustment features 716 that may be utilized to alter the orientation of the compartment modules 712 relative to adjacent compartment modules 712 and/or relative to the center member 708. For example, the compartment modules 712 may include two adjustment features 716 (e.g., two screws) that alter the orientation of the compartment modules 712 relative to the center member 708 by contacting the center member 708 and pushing the compartment modules 712 in one or more directions. Such adjustment features 716 may be utilized to align each compartment module 712 relative to adjacent compartment modules 712 along the circumference of the multi-compartment carousel 702 (e.g., axially align the compartment modules).
In some embodiments, the arms 806 may include a biasing element 814 configured to secure the playing cards within the apertures 804. In some embodiments, the biasing element 814 may be formed from a resilient material configured to bow at least partially outward from the arm 806 intruding into the aperture 804. For example, the biasing element 814 may be a length of resilient material forming an arc with an apex 816 of the arc located within the aperture 804 in a direction away from the arm 806. In some embodiments, the biasing element 814 may be separate from the arm 806. The arm 806 may include a bottom retention 818 and a top retention 820 configured to retain the ends 822 of the biasing element 814. In some embodiments, the biasing element 814 may be a resilient material spanning between the top retention 820 and the bottom retention 818. In some embodiments, at least one of the top retention 820 and the bottom retention 818 may be configured to provide a floating retention of the biasing element 814 such that an end of the biasing element 814 may move relative to the arm 806. For example, the distal end 822 of the biasing element 814 may move inward away from the aperture 804 while still being restricted from moving outward into the aperture 804 beyond a selected distance. When the biasing element 814 is fully extended such that an apex 816 of the biasing element 814 is the largest distance from the arm 806, as permitted by the arms 806, the distal end 822 may be in a first position within the top retention 820. When playing cards are inserted into the aperture 804, the apex 816 may move toward the arm 806 and the floating retention in the top retention 820 may allow the distal end 822 of the biasing element 814 to move to a second position.
In some embodiments, at least one of the bottom retention 818 and the top retention 820 may be a fixed connection such that an end of the biasing element 814 in the bottom retention 818 and/or the top retention 820 may not be allowed to move relative to the arm 806. In some embodiments, the biasing element 814 may be integral to the arm 806 (e.g., formed from the same piece of material such that there is no definitive joint between the biasing element 814 and the arm 806) at the fixed connection. In some embodiments, the biasing element 814 may be formed from a different material and fixed to the arm 806 at the bottom retention 818 and/or the top retention 820. The biasing element 814 may be attached with hardware (e.g., pin, screw, bolt, etc.), adhesive (e.g., glue, epoxy, etc.), welding, soldering, or brazing.
In some embodiments, one of the bottom retention 818 and the top retention 820 may be a fixed connection while the other retention 818, 820 is a floating retention. For example, the bottom retention 818 may be a fixed connection and the top retention 820 may be a floating retention.
In some embodiments, the biasing element 814 may include a biasing support 830 (e.g., secondary biasing element, secondary spring, bump stop, damper, etc.). For example, the biasing support 830 may be positioned between the apex 816 and the arm 806. The biasing support 830 may be configured to provide additional support to the biasing element 814. In some embodiments, the biasing support 830 may be adjustable such that the securing pressure of the biasing element 814 and/or the biasing support 830 may be adjustable, such as, for example, by limiting the travel of the biasing element 814, increasing the resistance by preloading the biasing support (e.g., spring spacers, indexed seats, etc.), and/or otherwise altering the resistance of the biasing support (e.g., fluid pressure, damper valve adjustments, etc.). In some embodiments, the biasing support 830 may be a coil spring. In some embodiments, the biasing element 814 and/or the arm 806 may include seats 832 to locate or restrict movement of the biasing support 830 in at least one direction (e.g., in a lateral or axial direction). For example, the seats 832 may be pins and the biasing support 830 may define complementary geometry (e.g., hole, aperture, annular formation, etc.) to the pins such that the biasing support 830 is secured between the biasing element 814 and the arm 806.
In some embodiments, the apertures 804 may each include a sensor to determine when the aperture 804 is full (e.g., has the maximum number of playing cards it is configured to hold by sensing the position of the biasing element 814). In some embodiments, the sensor may include a pair of contacts, a magnetic switch, reed switch, pressure switch, proximity switch, etc. In some embodiments, the control system 104 (
In some embodiments, the control system 104 (
Although the card-handling device 100 of the present disclosure describes the card-shuffling apparatus 114 including a multi-compartment carousel 702, the card-shuffling apparatus 114 may include any suitable shuffling mechanism such as, for example, those disclosed in U.S. Pat. No. 5,676,372 to Sines et al. that issued Oct. 14, 1997, U.S. Pat. No. 6,254,096 to Grauzer et al. that issued Jul. 3, 2001, U.S. Pat. No. 6,651,981 to Grauzer et al. that issued Nov. 25, 2003, and U.S. Pat. No. 6,659,460 to Blaha et al. that issued Dec. 9, 2003, the disclosures of each of which are incorporated herein in their entireties by this reference. In some embodiments, the card-shuffling apparatus 114 may have a wheel or carousel design that may be somewhat similar to the card-shuffling devices disclosed in the aforementioned and incorporated by reference U.S. Pat. No. 8,800,993 B2.
The card-shuffling apparatus 114 may operate, in at least one operational mode, as a batch shuffling machine or to verify and/or sort a group or deck of playing cards. For example, the card-shuffling apparatus 114 may be configured to shuffle a complete set or “shoe” of one or more decks of cards (e.g., one, two, four, six, eight, ten decks of cards, etc.) and then provide the cards from those decks to the dealer for insertion into a shoe.
Referring to
If the sort was not able to be completed in a single pass (e.g., by running out of compartments 704), the card-handling device 100 may output the cards to card outlet 204 to be reloaded in the card intake area 202 so that the sort may be completed in a second pass.
In some embodiments, the ejector 904 and the card transfer system 902 may be located at a top portion of the multi-compartment carousel 702. For example, the ejector 904 may unload playing cards into the card transfer system 902 when the compartment 704 retaining the playing cards is in a substantially vertical orientation within the multi-compartment carousel 702. In some embodiments, the ejector 904 and card transfer system 902 may be located about 90° of rotation about the axis of the multi-compartment carousel 702 from the first card feed system 402 (
In some embodiments, the card transfer system 902 may include a plurality of rollers 906. The rollers 906 may displace playing cards from the multi-compartment carousel 702 to the card outlet 204 along the second card pathway 903. In some embodiments, the card transfer system 902 may include a packer arm 908. The packer arm 908 may include a packer arm pivot 910, an extended arm 912, and a finger 914. For example, the packer arm 908 may be driven by an eccentric packer motor 916 through a connecting link 918. The packer arm 908 may rotate about the packer arm pivot 910 translating the extended arm 912 and the finger 914 partially along the second card pathway 903. In some embodiments, the finger 914 may be configured to engage with a trailing edge of a group of playing cards to ensure proper loading of the playing cards into the card outlet 204.
The packer arm 908 may be used to provide additional force to a trailing edge of one or more playing cards along the second card pathway 903 as the playing card leaves the rollers 906. For example, the packer arm 908 may be located in the card-handling device 100 such that the finger 914 of the extended arm 912 of the packer arm 908 may abut against a trailing edge of a playing card and force the playing card at least substantially completely into the card outlet 204.
As depicted, the card outlet 204 may be configured to store the playing cards 205 in a similar orientation to the orientation in which the cards leave the card-shuffling apparatus 114. The card outlet 204 may be configured to store the playing cards in a substantially horizontal stack, such that the cards are in a vertical orientation (e.g., lateral or longitudinal edges of the cards extend in a substantially horizontal direction) with each card face positioned substantially vertically (e.g., where a height of the stack of cards is slanted to extend along a major length of the card output portion 112 in a direction along the top surface 108) next to an adjacent card with the major faces of the cards lying in a plane substantially transverse to the top surface 108. The card outlet 204 may be configured to substantially support the cards on at least two sides of the cards.
As depicted, the card outlet 204 may be configured to elevate and retract above and below the top surface 108 of the card-handling device 100. For example, the card outlet 204 may retract below the top surface 108 of the card-handling device 100 to be in closer proximity to the card-shuffling apparatus 114 while cards are transferred from the multi-compartment carousel 702 to the card outlet 204. In some embodiments, the card outlet 204 may be elevated above the top surface 108 of the card-handling device 100 when it has a complete set of one or more decks of cards (e.g., one, two, four, six, eight, ten decks of cards, etc.) that may be loaded in a card-dispending device, such as, a card shoe. In some embodiments, the card outlet 204 may be elevated above the top surface 108 of the card-handling device 100 when the operator needs to enter additional cards into gameplay, such as, to load the cards in a card shoe or to deal or draw cards individually or as a group of cards. In some embodiments, the card outlet 204 may remain in the elevated position above the top surface 108 of the card-handling device 100 until the entire group of cards have been removed from the card outlet 204.
In some embodiments, cards may be provided to the card outlet 204 (e.g., in the retracted position within the card-handling device 100 (
In some embodiments, the card outlet 204 may be configured to vary the internal volume of the card outlet 204. For example, the card outlet 204 may include a movable guide 1002. The movable guide 1002 may reduce the internal volume of the card outlet 204 when a number of cards to be placed in the card outlet 204 is, at least initially, less than the full capacity of the card outlet 204. The movable guide 1002 may be retracted to increase the internal volume of the card outlet 204 gradually as cards are loaded into the card outlet 204 to increase the capacity of the card outlet 204.
The card outlet 204 may be configured to present (e.g., release) a predetermined number of cards (e.g., all of the cards) to the operator such that the operator can withdraw (e.g., draw, slide, remove, etc.) the cards from the card outlet 204. For example, the card outlet 204 may include the movable guide 1002 and the gate 1004 on an end of the card outlet 204. In some embodiments, the gate 1004 may be configured to open a specified amount to enable a specific number of cards to be withdrawn past the gate 1004 (e.g., to enable an entirety of the cards 205 to slide over the gate 1004, which is substantially flush with the top surface 108 (
In some embodiments, the movable guide 1002 may be driven by a biasing element (e.g., a spring, compressible fluid, etc.). In some embodiments, the movable guide 1002 may be driven by a motor 1010. In some embodiments, the gate 1004 may displace to a position clear of a pathway (e.g., into recess 207 (
In some embodiments, the motor 1010 may include a slip clutch 1012 (e.g., friction clutch, one-way clutch, sprag clutch, freewheel clutch, overrunning clutch, etc.) to decrease fatigue on the motor 1010 and other components when running against the closed gate 1004. In some embodiments, the slip clutch 1012 may enable the movable guide 1002 to expand the internal volume of the card outlet 204 in response to additional cards being added by the card transfer system 902 (
Once the card intake area 202 is fully retracted into the card-handling device 100, the card intake area 202 may rotate until a lateral edge of the playing cards is facing the multi-compartment carousel 702, as represented by action 1208. In other embodiments, the card intake area 202 may be retracted in a position where the lateral edge of the playing cards is facing the multi-compartment carousel 702 and may not need to be initially rotated before transferring one or more cards. Once a lateral edge of the playing cards is facing the multi-compartment carousel 702, the pick-off rollers 610 may remove at least one card from the card intake area 202, as represented in action 1210. The pick-off rollers 610 may transfer the removed card to the first card feed system 402, which may transport the at least one card from the card intake area 202 to the multi-compartment carousel 702, as represented in action 1212.
The elongated packer arm 622 may move the at least one card from the first card feed system 402 into a compartment 704 of the multi-compartment carousel 702, as represented in action 1214. The multi-compartment carousel 702 may rotate moving the compartment 704 with at least one card in it to another location and presenting a new compartment 704 in the area of the elongated packer arm 622, as represented in action 1216. In some embodiments, the multi-compartment carousel 702 may rotate after each card is placed into a compartment 704. In some embodiments, the multi-compartment carousel 702 may only rotate after the compartment 704 is full. In some embodiments, the multi-compartment carousel 702 may rotate at random times (e.g., sometimes taking one card in each compartment 704 and other times taking more than one card in the compartment 704 before rotating). For example, the control system 104 may select a compartment 704 in which to load a card based on output from an RNG. If the selected compartment 704 has already reached a selected number of card in the compartment 704 (e.g., the compartment is full), the control system 104 may select another compartment 704 using the RNG or through another predetermined method.
In some embodiments, the multi-compartment carousel 702 may rotate the same number of compartments 704 (e.g., 2 compartments, 3 compartments, etc.) during each rotation. In some embodiments, the control system 104 may randomize the number of compartments 704 that the multi-compartment carousel 702 rotates through each time it rotates.
After the at least one card is removed in action 1210, the card intake area 202 may rotate at least 180° such that the opposite lateral edge of the unshuffled cards is facing the multi-compartment carousel 702, as represented in action 1208′. After the card intake area 202 is rotated in action 1208′, the pick-off rollers 610 may remove at least one card from the card intake area 202, as represented in action 1210′. The removed card may be transported through the first card feed system 402 and be inserted into a compartment 704 of the multi-compartment carousel 702, as represented in actions 1212 and 1214. The multi-compartment carousel 702 may continue to rotate as described above and represented in 1216. This process may continue to repeat until there are no more cards in the card intake area 202, until a preselected is reached, or until the operator enters a command to stop the process. Such a process performed by the control system 104 of the card-handling device 100 may enable an operator to randomize (e.g., intermittently alter, sporadically alter) which lateral edge of the cards is presented on one side of a stack (e.g., deck(s)) of cards.
The ejector 904 may eject the cards from the compartments 704 of the multi-compartment carousel 702 into the card transfer system 902, as represented in action 1218. The card transfer system 902 may transfer the card to the card outlet 204, as represented in action 1220. The cards may be inserted into the card outlet 204 with major faces of the cards aligned at least partially in a substantially vertical plane (e.g., transverse to the top surface 108 of the card-handling device 100, where the stack of cards is tipped over primarily extending in a horizontal or lateral plane). In some embodiments, the card outlet 204 may be positioned above the top surface 108 of the card-handling device 100. In some embodiments, the card outlet 204 may elevate and retract similar to the card intake area 202. For example, the card outlet 204 may be in a retracted position when the cards are inserted into the card outlet 204 in action 1220. In some embodiments, the card outlet 204 may be elevated above the top surface 108 of the card-handling device 100 when the card outlet 204 is full to facilitate access to the shuffled cards 205 by the operator. In some embodiments, the card outlet 204 may elevate once a specified number of cards are inserted into the card outlet 204. In some embodiments, the card outlet 204 may remain in the retracted position until the operator enters a command into the control system 104 to call the card outlet 204 to the area above the top surface 108 of the card-handling device 100.
In the lower position, cards 1510 in the card infeed area come into contact with a first feed roller 1512. First feed roller 1512 may move cards individually from the bottom of the stack of cards 1510, past a card-imaging device 1514 and into speed-up roller pairs 1516. The speed up roller pairs 1516 transfer cards into a compartment in the carousel 1518, which is constructed in accordance with
In some embodiments, other portions of the card-handling device 1500 may be configured to change an orientation of the edges of the cards, in addition to or alternative from, the card infeed area 1502. For example, the card infeed area 1502 may not rotate about the minor axis 25 of the card (shown in
In some embodiments, the cards 1530 may be rotated in batches, according to at least one predetermined formula or algorithm. For example, the card output area 1520 may rotate and receive at least one card from the carousel 1518, then rotate and receive four cards from the carousel 1518, and repeat. In another example, ten cards may be received by the card output area 1520 before the card output area 1520 rotates. The card-handling device 1500 may include a processor 1532 that has an associated random number generator hardware component or algorithm that determines when the card output area 1520 rotates relative to the packs of cards being delivered.
The roller set 1600 may include a primary roller 1608 and a secondary roller 1610. The primary roller 1608 may include a first wheel 1602a and a second wheel 1602b separated by a shaft 1604. The secondary roller 1610 may include a first wheel 1606a and a second wheel 1606b separated by a shaft 1612. In some embodiments, the first wheels 1602a, 1606a and the second wheels 1602b, 1606b may be configured to move independently. For example, when receiving a card 10 into the roller set 1600 or transporting the card 10 from the roller set 1600, the first wheels 1602a, 1606a and the second wheels 1602b, 1606b may move in substantially the same direction such that the card 10 moves along a substantially straight path into or out of the roller set 1600. The roller set 1600 may be configured to rotate the card 10 about the minor axis 25 of the card 10. When rotating the card 10 the first wheels 1602a, 1606a may rotate in a direction opposite the rotation of the second wheels 1602b, 1606b such that the card 10 rotates about the minor axis 25. In some embodiments, the one or more first wheels 1602a, 1606a or the second wheels 1602b, 1606b may be driven (e.g., by a motor) during rotation of the card 10 while the other set of wheels are not driven (e.g., rotate freely).
The roller set 1600 may be configured to rotate the card 10 in increments of 180°, such as 0°, 180°, 360°, etc. In some embodiments, the roller set 1600 may selectively rotate the cards 10 about the minor axis 25. For example, the roller set 1600 may rotate every other card 10 about the minor axis 25 before transporting the cards 10 out of the roller set 1600. In some embodiments, the cards 10 may be rotated randomly. For example, a random number selector (e.g., random number generator) in the form of a program, algorithm, circuit, etc., may generate a random number and the roller set 1600 may rotate each card until the random number of cards are rotated. Once the random number of cards have been rotated, a new random number may be generated and the roller set 1600 may pass a number of cards 10 through the roller set 1600 that matches the new random number without rotating the cards 10. In some embodiments, the playing cards may be rotated pseudo-randomly. For example, a program, algorithm, or circuit may be configured to output different numbers in a preconceived series or pattern. A new number may be output each time the previous number of cards 10 passes through the roller set 1600 and the roller set 1600 may switch from rotating each card 10 to not rotating each card 10 or vice versa for each new number.
In some embodiments, the cards 10 may be rotated in batches, according to at least one predetermined formula or algorithm. For example, the roller set 1600 may rotate at least one card, and then pass four cards 10 through the roller set 1600 without rotating the cards 10, and repeat. In another example, the roller set 1600 may rotate three cards, then allow ten cards to pass through the roller set 1600 without being rotated, and repeat.
Methods of restoring the face orientation of cards back to the normal “face-to-back” orientation in a set of shuffled cards are disclosed. In some embodiments, the disclosed methods provide the operator with the opportunity to reorient cards that were either placed into the card infeed area of the shuffler in the flipped over orientation, or reorients cards that may have flipped over internal to the shuffler after card feeding. Although house procedures require the dealer to reorient the cards face-down before depositing the cards in the discard rack or into the card infeed area of the shuffler, cards are frequently reinserted into the shuffler in the wrong face orientation. Card inserted with the wrong face orientation may cause delays or errors in an automatic shuffler. For example, as described above, an automatic card shuffler may be configured to read and/or recognize cards to verify that a shuffled set of cards is complete (e.g., there are not extra or fewer cards in the set). A card inserted in the wrong face orientation may cause the automatic shuffler to alert the dealer through an error message or to abort the entire shuffle resulting in a delay for the associated gaming table. In some embodiments, cards may be inserted in the card infeed area face-down and any cards in the stack that are face-up may be detected and handled such that the shuffling can be completed without restarting the entire shuffle.
Cards may be received in the card infeed area of a card shuffler as a set, preferably with a majority of cards in a normal face-to-back orientation with an adjacent card. If any card or cards are in a face-to-face orientation in the card intake area of the shuffler, prior to methods of the present disclosure, the shuffle is at risk of being aborted or otherwise being ineffective.
Even when the dealer orients all of the card faces in the same direction, the cards can still reorient inside of the card shuffler. For example, properly oriented cards may flip over during card handling internal to the machine.
When a card face is in the wrong orientation, i.e., a flipped card is read by the card reader, the camera may image the card back instead of the card front causing a misread condition. In some examples, the card recognition system may be incapable of reading the card. In other examples, the card recognition system may be configured to read the card back and generate a signal that causes the processor to issue a signal indicating that a card back has been sensed (e.g., instead of the card face), indicating a flipped card condition. In both examples, the card recognition system fails to read a card face and generates a signal of this condition.
In the embodiments of the shuffling structures described above, cards move substantially horizontally, face down, along a card path from the card intake into the card-shuffling mechanism. Before insertion into a shuffling mechanism, such as a compartment of a carousel in a carousel-type shuffler, the card face may be read by a camera imaging system located along the card path. When a card face is flipped over, the card back is imaged instead, causing the processor to recognize the condition of a failure to read a card face. For example, the card recognition system may be trained to identify only rank and suit values and any card that lacks these features is identified as requiring special handling. For example, jokers may require special handling in a game that does not utilize jokers, such as blackjack. In some embodiments, flipped cards may be treated as special cards, sorted out, and presented to a dealer such that the dealer may manually remove them from an end of the shuffled set.
For purposes of this disclosure, card-imaging systems that are capable of reading a card back, or a card-imaging system that is incapable of reading a card back are referred to as a card-imaging system that failed to read card face data. Cards that were not recognized as having card face markings for purposes of this disclosure are unimaged cards. These cards can be flipped cards, cut cards, promotional cards, jokers, and/or any other cards that do not belong in the card set.
In some embodiments, a plurality of cards may be received in the card intake area of a card shuffler at operation 2002. The card shuffler may be configured to shuffle cards. The shuffler may operate as a batch shuffler or a continuous shuffler. The cards inputted for shuffling may be arranged in a stack, such as a vertical stack with card faces located in horizontal planes. In other examples, the stack may be horizontal, with card faces located in vertical planes. Alternatively, the stack may be tipped with respect to the vertical slightly to stabilize the stack. The cards are generally arranged face-to-back, but there may be one or more cards in the stack that are oriented in a face-to-face orientation with an adjacent card. In other words, in the process of gathering cards from the gaming table, the dealer may fail to reorient all cards face-down before inserting the cards into a discard rack or into the card intake area of the shuffler.
Each card may be individually fed from the stack into the card shuffler automatically at operation 2004. For example, cards may be individually fed from one end of the stack, such as from the bottom of the stack when the stack of card is vertical. In some embodiments, cards may be removed with blades from the center of the stack. The blades may randomly select a location in the stack to eject the card.
At operation 2006, cards may be imaged. An example of a suitable card-imaging device is described in detail above. The cards may be imaged in the card infeed area, along the card path or if cards are moved out of the shuffling apparatus individually, between the shuffling apparatus and the card output area.
Card face information may be read at operation 2006 by the card-imaging system. In some embodiments, at least a portion of a card face of each card is read as the card is being fed into the shuffling apparatus. In some embodiments, cards are read between the card infeed area and the card-shuffling mechanism from an elevation beneath a horizontal card path. In other embodiments, the bottom card is read while in the stationary position in the card infeed area. In some embodiments, card faces are oriented face-down on the card path, and cards are read as they move. In other embodiments, cards are read before movement, or are caused to pause at a card reading station and are imaged when the card is stationary.
Cards may move individually along the card path after imaging and may then be shuffled at operation 2008 by a card-shuffling apparatus.
For example, at operation 2008, cards that have recognizable card face information may be inserted into randomly or pseudo-randomly selected compartments in the card-shuffling apparatus. In one example, cards may be fed individually into a compartment of a shuffling carousel. A compartment may be first randomly or pseudo-randomly selected by the processor and aligned with a stationary card feed mechanism in order to receive a card. In some embodiments, cards may move horizontally into a radial compartment aligned with a horizontally disposed card feeder, the compartment being part of a carousel shuffling mechanism, such as the structure described more fully above. The carousel may be configured to rotate about horizontal axis and may be driven with a drive mechanism such as a stepper motor. The particulars of an exemplary card-shuffling mechanism are described above.
As described above, when a card face is not recognized by the card-imaging system, indicating at a minimum that there is a problem with a card, the processor directs the card-shuffling mechanism to handle that card differently as compared to the other cards being shuffled. At operation 2010, cards that are unimaged may be inserted into one or more designated compartments in the carousel. In contrast, all cards that were read (and recognized) to identify at least one of rank or suit may be handled in a manner such that the cards are randomly or pseudo-randomly shuffled at operation 2008. For example, under processor control, all readable cards may be randomly inserted into randomly selected compartments until a maximum number of cards has been reached in the randomly selected compartment. When the compartment reaches its maximum, the full compartment may be excluded from the next random selection process. In some embodiments, when all cards in the card input area have been randomly or pseudo-randomly distributed to a compartment, the card-shuffling apparatus may begin a card unloading process by moving groups of imaged cards from the compartments into a card output area as shown in operation 2012. The unloading process can be done randomly or sequentially. Sequential unloading causes the shuffling operation to be performed at a faster speed as opposed to using randomly selected compartment unloading procedures. Random unloading, on the other hand increases randomness.
All readable, randomized cards may be unloaded into the card outlet. In some embodiments, a stack of shuffled cards may be formed in the card outlet, with each card in the stack in a face-to-back orientation. In some embodiments, the stack may be substantially horizontal with card faces in a substantially vertical plane. In other embodiments, the stack may be substantially vertical with the card faces in a substantially horizontal plane.
At the end of the card distribution process, if any unreadable cards are present in a designed compartment of the shuffling mechanism, those cards may be unloaded last at operation 2014 from the at least one designated compartment and combined with the set of cards in the card output. In other embodiments, the unreadable cards may be reoriented prior to any shuffling and then shuffled along with the entire set of cards once reoriented.
The processor may direct the display to issue a warning or an alert at operation 2016 that there are cards in the card output that have not been examined. If the cards are flipped over, the processor may direct the display to instruct the operator to reorient the cards and reinsert them into the card input area.
Any cards delivered to the card output area should be examined to determine if they are cut cards, flipped cards or extraneous cards. The dealer may then remove any cards that do not belong in the deck, reorient the flipped cards and activate the shuffler to re-feed the cards. At operation 2018, the reoriented cards are accepted in the card infeed area of the shuffler. The shuffler may then shuffle the reoriented cards at operation 2020. Shuffled cards are then combined at operation 2022 with the set of shuffled cards in the card output to form a complete set of shuffled cards in card face-to-back orientation.
At operation 2014, when unimaged cards are combined in the card output, a horizontal stack of shuffled cards may be formed with card faces aligned in a vertical plane and the flipped cards may be added to one end of the stack. When the stack of cards is elevated and exposed to the dealer, the dealer can visually observe that the cards on the end of the stack are flipped over or are not part of the set. In other examples, the shuffled stack may be vertical, with card faces in a horizontal plane, and the dealer must remove the flipped and/or wrong cards after the bottom of the set is exposed.
When unreadable cards or cards that lack card face data are sensed at operation 2006, the processor may cause the user display to display an alert at operation 2016 that there are cards in the wrong card face orientation in the card outlet that require manual reorientation, or that there are unknown cards in the shuffler, or both. In some embodiments, the processor may delay the display of the alert and/or instruction until the unloading cycle begins, until the unloading cycle ends or during unloading. In other embodiments, the instruction may be delayed until the flipped cards or unknown cards are physically delivered to the card output. The processor may further cause the display to display an instruction for the user to manually reorient the face of the flipped card or cards, and optionally to press a button to reactivate the shuffler.
In some embodiments, one or more manually reoriented cards may be accepted back in the card intake, wherein the reoriented cards are positioned in the correct face orientation for card imaging. Accepted cards may then be automatically fed from the card intake into the card shuffler. The activation of the shuffling process may be by user input or it may occur when the device senses cards accepted in the card input area. The reoriented cards may be shuffled, and the shuffled cards unloaded into the card outlet and combined with the incomplete shuffled set of cards in the card output to form a complete set of shuffled cards, each card having a card face-to-back orientation with an adjacent card. Cards that are fed into the shuffler in the wrong face orientation or cards that flipped over internal to the card shuffler may be reoriented and separately randomized after reorientation without aborting the entire shuffle. Avoiding the long process of reshuffling may save the casino valuable time and prevent revenue loss by reducing the time needed to shuffle a large set of cards.
The specific structures that may be used as examples of structures to perform the methods of the present disclosure are described fully above. For example, the card-shuffling mechanism may comprise a carousel with multiple radial compartments and the carousel may be oriented to rotate about an axis that is horizontal. Card moving rollers that extend through an opening in the base of the card infeed area may enable movement of individual cards from the bottom of a stack of cards into additional roller pairs that move cards along a card path. Cards may be advanced to a pair of feed rollers that accelerate a card into an aligned compartment in the carousel. A packer arm may apply a force to the trailing edge of the card, causing the card to move into the compartment. A processor may include a random number generator and the alignment of each compartment with the stationary card feed rollers may be done according to a randomly selected compartment as determined by the random number generator. A second card mover may be used to remove a card or cards from a selected compartment into a card output. Additional feed rollers may be provided to propel groups of cards along a card path to the card output. The card output may be equipped with a device to expand the volume of the card receiving area as cards are unloaded into the card output. The card unloading process may be performed during card loading or after the card loading process has been completed.
In some embodiments, a card-shuffling apparatus with a multi-compartment carousel is uses to change the order of cards. Each compartment is radially aligned and may be configured to accept one or more cards. For example, each compartment may be configured to hold between 1 and 10 cards, 1 and 7 cards, or 1 and 6 cards.
In some embodiments, the card shuffler may accept a vertical stack of cards, and structures are provided to feed cards fed individually from the bottom of the vertical stack, along a card path in a face-down orientation. When the cards are fed face-down, it may be advantageous to provide a card reading system beneath the card path in an orientation where the system is able to capture rank and suit information, card face information, or any other information printed on the card face, such as infrared markings, bar code markings or any other markings capable of designating card rank, card suit, manufacturer, lot number, casino name, card game, or any other information included on the card face whether readable or not readable by the naked eye.
Shuffled cards may be stacked in a substantially horizontal stack, with card faces in a substantially vertical plane. This stack may be formed in a container proximate the playing surface, or below the playing surface and then elevated by means of an elevator to the playing surface. Structures used to practice the present disclosure may be configured to shuffle as many as 8-10 decks of playing cards, such as 10 intermixed decks of cards, with our without jokers, with or without special cards, with or without additional cards added and with or without specific cards removed. For example, according to the present method, a set of 10 Spanish decks of cards may be shuffled and flipped cards reoriented according to embodiments of the present disclosure.
The embodiments of the present disclosure may facilitate implementation and practice of card games using larger numbers of cards than is conventionally possible without undesirably delaying game play. For example, the embodiments of the present disclosure may allow for the card games using more than eight decks of cards, such as, for example, ten decks of cards, or twelve decks of cards. Embodiments of the card-handling devices may also facilitate simple repair and replacement of wear parts of the card-handling device, such as, for example, compartment modules of the multi-compartment carousel, roller, imaging devices, and sensors by enabling access to these components that can be removed (e.g., where select groups of compartments of the carousel may be individually removed and repaired or replaced).
The embodiments of the present disclosure may reduce and/or eliminate the effectiveness of some forms of card manipulating or counting. For example, embodiments of the present disclosure may reduce or eliminate the effectiveness of card manipulating or counting methods involving edge sorting by randomizing the orientation of the lateral edges of the cards within the card-handling device. Further, the ability of the card-handling device may enable the use of more decks and thus reduce and/or eliminate the effectiveness of some forms of card manipulating or counting. Similarly, increasing the number of cards in a cut may also reduce and/or eliminate the effectiveness of some forms of card manipulating or counting.
The embodiments of the disclosure described above and illustrated in the accompanying drawings do not limit the scope of the disclosure, which is encompassed by the scope of the appended claims and their legal equivalents. Any equivalent embodiments are within the scope of this disclosure. Indeed, various modifications of the disclosure, in addition to those shown and described herein, such as alternate useful combinations of the elements described, will become apparent to those skilled in the art from the description. Such modifications and embodiments also fall within the scope of the appended claims and equivalents.
A list of example embodiments follows below.
Embodiment 1: A method of altering an orientation of cards being shuffled in an automatic card shuffler, comprising: providing an automatic card shuffler with a user display; a card intake, a card outlet, a card-shuffling apparatus, a card path between the card intake and the card output, a card-imaging system, at least one processor configured to control the card-imaging system, the user display, and to operate the card shuffler, wherein the card-shuffling apparatus comprises multiple compartments; receiving a plurality of cards in the card intake, the cards arranged in a stack wherein cards are generally arranged with card faces in a face to back orientation; automatically feeding each card individually from the stack along the card path and inserting the card into one of the multiple compartments of the card-shuffling apparatus; reading card face information of each card as the card is being fed with the card-imaging system; identifying unreadable cards, wherein unreadable cards include cards that lack card face information from the card-imaging system; inserting the unreadable cards into at least one designated compartment in the card-shuffling apparatus; randomly inserting each card not identified as unreadable into a randomly selected compartment; unloading all cards except the cards in the at least one designed compartment into the card outlet, forming a stack of cards, wherein each card in the stack of cards is oriented in the face-to-back orientation; unloading the unreadable cards from the at least one designated compartment and adding the unreadable cards to the stack after unloading all other cards; causing the user display to display an alert indicating that at least one card in the outlet requires at least one of inspection or reorientation; accepting at least one reoriented card from the card output in the card intake; automatically feeding each card of the at least one reoriented card in the card intake into the card shuffler; unloading the at least one reoriented card in the card shuffler to the card outlet; and combining the at least one reoriented card with the stack of cards in the card outlet to form a shuffled set of cards in the face-to-back orientation.
Embodiment 2: The method of Embodiment 1, further comprising feeding at least some of the plurality of cards into the card-shuffling apparatus comprising a carousel with a plurality of radially aligned compartments configured to receive more than one card.
Embodiment 3: The method of Embodiment 1, further comprising individually feeding the plurality of cards along a card path in a face-down orientation.
Embodiment 4: The method of Embodiment 1, further comprising stacking at least some of the plurality of cards in a substantially horizontal stack, with card faces in a substantially vertical plane.
Embodiment 5: The method of Embodiment 1, further comprising shuffling between 8 and 10 decks of cards with the card-shuffling apparatus.
Embodiment 6: A card-handling device comprising: a card intake configured to receive playing cards; a card output configured to provide at least one of the playing cards; a playing card-shuffling apparatus positioned along a card path through the card-handling and configured to randomize at least some of the playing cards, the playing card-shuffling apparatus comprising multiple compartments; and a card-imaging system positioned along the card path and configured to image a surface of the playing cards; wherein the card-imaging system is configured to recognize card face information and identify one or more unreadable playing cards, wherein the one or more unreadable playing cards comprise playing cards that do not include card face information on the surface of the playing cards oriented toward the card-imaging system; wherein the playing card-shuffling apparatus is configured to receive the one or more unreadable playing cards in at least one designated compartment selected from the multiple compartments.
Embodiment 7: The card-handling device of Embodiment 6, wherein the card-handling device is configured to provide the one or more unreadable playing cards for reorientation.
Embodiment 8: The card-handling device of Embodiment 7, wherein the card-handling device is configured to combine the one or more unreadable playing cards with the remaining playing cards after reorientation.
Embodiment 9: The card-handling device of Embodiment 6, wherein the card-handling device is configured to shuffle the playing cards that are not designated as the one or more unreadable playing cards.
Embodiment 10: The card-handling device of Embodiment 9, wherein the card-handling device is configured to combine the one or more unreadable playing cards with the shuffled playing cards after the one or more unreadable playing cards have been reoriented.
Embodiment 11: The card-handling device of Embodiment 6, wherein the playing card-shuffling apparatus comprises a carousel and the multiple compartments are oriented radially about the carousel.
Embodiment 12: The card-handling device of Embodiment 6, further comprising at least one processor configured to control operation of the playing card-shuffling apparatus and the card-imaging system.
Embodiment 13: The card-handling device of Embodiment 6, further comprising a display configured to alert a user when the unreadable playing cards are detected.
This application is a continuation-in-part of U.S. patent application Ser. No. 16/132,090, filed Sep. 14, 2018, pending, and a continuation-in-part of PCT Application No. PCT/US19/027460, filed Apr. 15, 2019, pending, the disclosure of each of which is hereby incorporated herein in its entirety by this reference.
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| “Error Back propagation,” http://willamette.edu˜gorr/classes/cs449/backprop.html(4 pages), Nov. 13, 2008. |
| “i-Deal,” Bally Technologies, Inc., (2014), 2 pages. |
| “Playtech Retail begins roll out of Neon across Grosvenos 55 UK Casinos” Playtech, Apr. 21, 2016. Retrieved on Oct. 11, 2016 from the Internet: <URL: https://www.playtech.com/news/latest_news_and_prs/playtech_retail_begins_roll_out_of_neon_across_grosvenor_s_55_uk_casinos> (1 page). |
| “shufflers—SHFL entertainment”, Gaming Concepts Group, (2012), 6 pages. |
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| Automatic casino card shuffle, Alibaba.com, (last visited Jul. 22, 2014), 2 pages. |
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| Complaint filed in the matter of SHFL entertainment, In. v. DigiDeal Corporation, U.S. District Court, District of Nevada, Civil Action No. CV 2:12-cv-01782-GMC-VCF, Oct. 10, 2012, 62 pages. |
| CONNECT2TABLE Administrator Manual, Jan. 7, 2013 (82 pages). |
| CONNECT2TABLE Connect2Table System Summary, generated Oct. 21, 2016 (2 pages). |
| CONNECT2TABLE Quick Installation Guide, Feb. 20, 2013 (36 pages). |
| CONNECT2TABLE User Manual, Feb. 7, 2013 (35 pages). |
| Documents submitted in case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, scan of (color pages, for clarity, Part 18 of 23 color copies from Binder 1). |
| Documents submitted in case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, scan of (color pages, for clarity, Part 19 of 23 color copies from Binder 3). |
| Documents submitted in case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, scan of (color pages, for clarity, Part 20 of 23 color copies from Binder 4). |
| Documents submitted in case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, scan of (color pages, for clarity, Part 21 of 23 color copies from Binder 6). |
| Documents submitted in case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, scan of (color pages, for clarity, Part 22 of 23 color copies from Binder 8, part 1 of 2). |
| Documents submitted in case ofShuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 15 of 23 (Binder 8, 3 of 5). |
| Documents submitted in case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 16 of 23 (Binder 8, 4 of 5). |
| Documents submitted in case ofShuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 17 of 23 (Binder 8, 5 of 5). |
| Documents submitted in case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, scan of color pages, for clarity, Part 23 of 23 Kcolor copies from Binder 8, part 2 of 2). |
| Documents submitted in the case of Shuffle Master, Inc. v. 6Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 7 of 23 (Binder 4, 1 of 2). |
| Documents submitted in the case of Shuffle Master, Inc. v. Card Aurstria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 2 of 23 (Master Index and Binder 1, 2 of 2). |
| Documents submitted in the case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 1 of 23 (Master Index and Binder 1, 1 of 2). |
| Documents submitted in the case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 10 of 23 (Binder 6, 2 of 2). |
| Documents submitted in the case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 11 of 23 (Binder 7, 1 of 2). |
| Documents submitted in the case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 12 of 23 (Binder 7, 2 of 2). |
| Documents submitted in the case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 13 of 23 (Binder 8, 1 of 5). |
| Documents submitted in the case ofShuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 14 of 23 (Binder 8, 2 of 5). |
| Documents submitted in the case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 3 of 23 (Binder 2, 1 of 2). |
| Documents submitted in the case of Shuffle Master, Inc. v. Card Austria, et al.,Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 4 of 23 (Binder 2, 2 of 2). |
| Documents submitted in the case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 5 of 23 (Binder 3, 1 of 2). |
| Documents submitted in the case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 6 of 23 (Binder 3, 2 of 2). |
| Documents submitted in the case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 8 of 23 (Binder 4, 2 of 2). |
| Documents submitted in the case of Shuffle Master, Inc. v. Card Austria, et al., Case No. CV-N-0508-HDM-(VPC) (Consolidated with Case No. CV-N-02-0244-ERC-(RAM)), May 6, 2003, Part 9 of 23 (Binder 5 having No. contents Binder 6, 1 of 2). |
| DVD labeled Exhibit 1. This is a DVD taken by Shuffle Master personnel of the live operation of a CARD One2Six (Trademark) Shuffler (Oct. 7, 2003). DVD sent to Examiner by US Postal Service with copy of this PTO/SB/08 form. |
| DVD labeled Luciano Decl. Ex. K is (see Binder 2-1, p. 215/237, Luciano DecL, para.14): A video demonstration (11 minutes) of a Luciano Packaging prototype shuffler. DVD sent to Examiner by US Postal Service with copy of this PTO/SB/08 form. |
| DVD labeled Morrill Decl. Ex. A is (see Binder 4-1, p. 149/206, Morrill Deck, para. 2): A video (16 minutes) that the attorney for CARD, Robert Morrill, made to describe the Roblejo prototype card shuffler. DVD sent to Examiner by US Postal Service with copy of this PTO/SB/08 form. |
| DVD labeled Solberg DecLEx.C, which is not a video at all, is (see Binder 4-1, p. 34/206, Solberg Deck, para.8) Computer source code for operating a computer-controlled card shuffler (an early Roblejo prototype card shuffler) and Descriptive comments of how the code works. DVD sent to Examiner by US Postal Service with copy of this PTO/SB/08 form. |
| Error Back propagation, http://willamette.edu˜gorr/classes/cs449/backprop.htm1(4 pages), Nov. 13, 2008. |
| Genevieve Orr, CS-449: Neural Networks Willamette University, http://www.willamette.edu/˜gorr/classes/cs449/intro.html (4 pages), Fall 1999. |
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| Number | Date | Country | |
|---|---|---|---|
| 20200086204 A1 | Mar 2020 | US |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 16132090 | Sep 2018 | US |
| Child | 16457357 | US | |
| Parent | PCT/US2019/027460 | Apr 2019 | US |
| Child | 16132090 | US |
