The present invention relates generally to a field emission system and method. More particularly, the present invention relates to a system and method where correlated magnetic and/or electric field structures create spatial forces in accordance with the relative alignment of the field emission structures and a spatial force function.
Alignment characteristics of magnetic fields have been used to achieve precision movement and positioning of objects. A key principle of operation of an alternating-current (AC) motor is that a permanent magnet will rotate so as to maintain its alignment within an external rotating magnetic field. This effect is the basis for the early AC motors including the “Electro Magnetic Motor” for which Nikola Tesla received U.S. Pat. No. 381,968 on May 1, 1888. On Jan. 19, 1938, Marius Lavet received French Patent 823,395 for the stepper motor which he first used in quartz watches. Stepper motors divide a motor's full rotation into a discrete number of steps. By controlling the times during which electromagnets around the motor are activated and deactivated, a motor's position can be controlled precisely. Computer-controlled stepper motors are one of the most versatile forms of positioning systems. They are typically digitally controlled as part of an open loop system, and are simpler and more rugged than closed loop servo systems. They are used in industrial high speed pick and place equipment and multi-axis computer numerical control (CNC) machines. In the field of lasers and optics they are frequently used in precision positioning equipment such as linear actuators, linear stages, rotation stages, goniometers, and mirror mounts. They are used in packaging machinery, and positioning of valve pilot stages for fluid control systems. They are also used in many commercial products including floppy disk drives, flatbed scanners, printers, plotters and the like.
Although alignment characteristics of magnetic fields are used in certain specialized industrial environments and in a relatively limited number of commercial products, their use for precision alignment purposes is generally limited in scope. For the majority of processes where alignment of objects is important, e.g., residential construction, comparatively primitive alignment techniques and tools such as a carpenter's square and a level are more commonly employed. Moreover, long trusted tools and mechanisms for attaching objects together such as hammers and nails; screw drivers and screws; wrenches and nuts and bolts; and the like, when used with primitive alignment techniques result in far less than precise residential construction, which commonly leads to death and injury when homes collapse, roofs are blown off in storms, etc. Generally, there is considerable amount of waste of time and energy in most of the processes to which the average person has grown accustomed that are a direct result of imprecision of alignment of assembled objects. Machined parts wear out sooner, engines are less efficient resulting in higher pollution, buildings and bridges collapse due to improper construction, and so on.
It has been discovered that various field emission properties can be put in use in a wide range of applications.
Briefly, the present invention is an improved field emission system and method. The invention pertains to field emission structures comprising electric or magnetic field sources having magnitudes, polarities, and positions corresponding to a desired spatial force function where a spatial force is created based upon the relative alignment of the field emission structures and the spatial force function. The invention herein is sometimes referred to as correlated magnetism, correlated field emissions, correlated magnets, coded magnetism, or coded field emissions. Structures of magnets arranged conventionally (or ‘naturally’) where their interacting poles alternate are referred to herein as non-correlated magnetism, non-correlated magnets, non-coded magnetism, or non-coded field emissions.
In accordance with one embodiment of the invention, a field emission system comprises a first field emission structure and a second field emission structure. The first and second field emission structures each comprise an array of field emission sources each having positions and polarities relating to a desired spatial force function that corresponds to the relative alignment of the first and second field emission structures within a field domain. The positions and polarities of each field emission source of each array of field emission sources can be determined in accordance with at least one correlation function. The at least one correlation function can be in accordance with at least one code. The at least one code can be at least one of a pseudorandom code, a deterministic code, or a designed code. The at least one code can be a one dimensional code, a two dimensional code, a three dimensional code, or a four dimensional code.
Each field emission source of each array of field emission sources has a corresponding field emission amplitude and vector direction determined in accordance with the desired spatial force function, where a separation distance between the first and second field emission structures and the relative alignment of the first and second field emission structures creates a spatial force in accordance with the desired spatial force function. The spatial force comprises at least one of an attractive spatial force or a repellant spatial force. The spatial force corresponds to a peak spatial force of said desired spatial force function when said first and second field emission structures are substantially aligned such that each field emission source of said first field emission structure substantially aligns with a corresponding field emission source of said second field emission structure. The spatial force can be used to produce energy, transfer energy, move an object, affix an object, automate a function, control a tool, make a sound, heat an environment, cool an environment, affect pressure of an environment, control flow of a fluid, control flow of a gas, and control centrifugal forces.
Under one arrangement, the spatial force is typically about an order of magnitude less than the peak spatial force when the first and second field emission structures are not substantially aligned such that field emission source of the first field emission structure substantially aligns with a corresponding field emission source of said second field emission structure.
A field domain corresponds to field emissions from the array of first field emission sources of the first field emission structure interacting with field emissions from the array of second field emission sources of the second field emission structure.
The relative alignment of the first and second field emission structures can result from a respective movement path function of at least one of the first and second field emission structures where the respective movement path function is one of a one-dimensional movement path function, a two-dimensional movement path function or a three-dimensional movement path function. A respective movement path function can be at least one of a linear movement path function, a non-linear movement path function, a rotational movement path function, a cylindrical movement path function, or a spherical movement path function. A respective movement path function defines movement versus time for at least one of the first and second field emission structures, where the movement can be at least one of forward movement, backward movement, upward movement, downward movement, left movement, right movement, yaw, pitch, and or roll. Under one arrangement, a movement path function would define a movement vector having a direction and amplitude that varies over time.
Each array of field emission sources can be one of a one-dimensional array, a two-dimensional array, or a three-dimensional array. The polarities of the field emission sources can be at least one of North-South polarities or positive-negative polarities. At least one of the field emission sources comprises a magnetic field emission source or an electric field emission source. At least one of the field emission sources can be a permanent magnet, an electromagnet, an electret, a magnetized ferromagnetic material, a portion of a magnetized ferromagnetic material, a soft magnetic material, or a superconductive magnetic material. At least one of the first and second field emission structures can be at least one of a back keeper layer, a front saturable layer, an active intermediate element, a passive intermediate element, a lever, a latch, a swivel, a heat source, a heat sink, an inductive loop, a plating nichrome wire, an embedded wire, or a kill mechanism. At least one of the first and second field emission structures can be a planer structure, a conical structure, a cylindrical structure, a curve surface, or a stepped surface.
In accordance with another embodiment of the invention, a method of controlling field emissions comprises defining a desired spatial force function corresponding to the relative alignment of a first field emission structure and a second field emission structure within a field domain and establishing, in accordance with the desired spatial force function, a position and polarity of each field emission source of a first array of field emission sources corresponding to the first field emission structure and of each field emission source of a second array of field emission sources corresponding to the second field emission structure.
In accordance with a further embodiment of the invention, a field emission system comprises a first field emission structure comprising a plurality of first field emission sources having positions and polarities in accordance with a first correlation function and a second field emission structure comprising a plurality of second field emission source having positions and polarities in accordance with a second correlation function, the first and second correlation functions corresponding to a desired spatial force function, the first correlation function complementing the second correlation function such that each field emission source of said plurality of first field emission sources has a corresponding counterpart field emission source of the plurality of second field emission sources and the first and second field emission structures will substantially correlate when each of the field emission source counterparts are substantially aligned.
The present invention is described with reference to the accompanying drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Additionally, the left-most digit(s) of a reference number identifies the drawing in which the reference number first appears.
a depicts two magnets aligned such that their polarities are opposite in direction resulting in a repelling spatial force;
b depicts two magnets aligned such that their polarities are the same in direction resulting in an attracting spatial force;
a depicts two magnets having substantial alignment;
b depicts two magnets having partial alignment;
c depicts different sized magnets having partial alignment;
a through 11d depict 27 different alignments of two magnetic field emission structures where a Barker length 7 code is used to determine polarities and positions of magnets making up a first magnetic field emission structure, which corresponds to two modulos of the Barker length 7 code end-to-end;
a depicts an exemplary spatial force function of magnetic field emission structures produced by repeating a one-dimensional code across a second dimension N times where movement is across the code;
b depicts an exemplary spatial force function of magnetic field emission structures produced by repeating a one-dimensional code across a second dimension N times where movement maintains alignment with up to all N coded rows of the structure and down to one;
a depicts a two dimensional Barker-like code and a corresponding two-dimensional magnetic field emission structure;
b depicts exemplary spatial force functions resulting from mirror image magnetic field emission structure and −90° rotated mirror image magnetic field emission structure moving across a magnetic field emission structure;
c depicts variations of a magnetic field emission structure where rows are reordered randomly in an attempt to affect its directionality characteristics;
d and 14e depict exemplary spatial force functions of selected magnetic field emission structures having randomly reordered rows moving across mirror image magnetic field emission structures both without rotation and as rotated −90, respectively;
a depicts an exemplary hover code and corresponding magnetic field emission structures that never achieve substantial alignment;
b depicts another exemplary hover code and corresponding magnetic field emission structures that never achieve substantial alignment;
c depicts an exemplary magnetic field emission structure where a mirror image magnetic field emission structure corresponding to a 7×7 barker-like code will hover anywhere above the structure provided it does not rotate;
a depicts an exemplary magnetic field emission structure comprising nine magnets positioned such that they half overlap in one direction;
b depicts the spatial force function of the magnetic field emission structure of
a depicts an exemplary code intended to produce a magnetic field emission structure having a first stronger lock when aligned with its mirror image magnetic field emission structure and a second weaker lock when rotated 90° relative to its mirror image magnetic field emission structure;
b depicts an exemplary spatial force function of the exemplary magnetic field emission structure of
c depicts an exemplary spatial force function of the exemplary magnetic field emission structure of
a-19i depict the exemplary magnetic field emission structure of
a depicts exemplary magnetic field emission structures, an exemplary turning mechanism, an exemplary tool insertion slot, exemplary alignment marks, an exemplary latch mechanism, and an exemplary axis for an exemplary pivot mechanism;
b depicts exemplary magnetic field emission structures having exemplary housings configured such that one housing can be inserted inside the other housing, exemplary alternative turning mechanism, exemplary swivel mechanism, an exemplary lever;
c depicts an exemplary tool assembly including an exemplary drill head assembly;
d depicts an exemplary hole cutting tool assembly having an outer cutting portion including a magnetic field emission structure and inner cutting portion including a magnetic field emission structure;
e depicts an exemplary machine press tool employing multiple levels of magnetic field emission structures;
f depicts a cross section of an exemplary gripping apparatus employing a magnetic field emission structure involving multiple levels of magnets;
g depicts an exemplary clasp mechanism including a magnetic field emission structure slip ring mechanism;
a and 27b depict an arrangement where a magnetic field emission structure wraps around two cylinders such that a much larger portion of the magnetic field emission structure is in contact with a correlated surface to provide additional traction and gripping force;
a through 28d depict an exemplary method of manufacturing magnetic field emission structures using a ferromagnetic material;
a through 30c provide a side view, an oblique projection, and a top view of a magnetic field emission structure having surrounding heat sink material and an exemplary embedded kill mechanism;
a depicts exemplary distribution of magnetic forces over a wider area to control the distance apart at which two magnetic field emission structures will engage when substantially aligned;
b depicts a magnetic field emission structure made up of a sparse array of large magnetic sources combined with a large number of smaller magnetic sources whereby alignment with a mirror magnetic field emission structure is provided by the large sources and a repel force is provided by the smaller sources;
a depicts an exemplary magnetic field emission structure made up of rings about a circle;
b depicts and exemplary hinge produced using alternating magnetic field emission structures made up of rings about a circle such as depicted in
c depicts an exemplary magnetic field emission structure having sources resembling spokes of a wheel;
d depicts an exemplary magnetic field emission structure resembling a rotary encoder;
e depicts an exemplary magnetic field emission structure having sources arranged as curved spokes;
f depicts an exemplary magnetic field emission structure made up of hexagon-shaped sources;
g depicts an exemplary magnetic field emission structure made up of triangular sources; and
h depicts an exemplary magnetic field emission structure made up of partially overlapped diamond-shaped sources.
The present invention will now be described more fully in detail with reference to the accompanying drawings, in which the preferred embodiments of the invention are shown. This invention should not, however, be construed as limited to the embodiments set forth herein; rather, they are provided so that this disclosure will be thorough and complete and will fully convey the scope of the invention to those skilled in the art. Like numbers refer to like elements throughout.
At the nanometer scale, one or more single domains can be used for coding where each single domain has a code and the quantization of the magnetic field would be the domain.
a depicts two magnets aligned such that their polarities are opposite in direction resulting in a repelling spatial force. Referring to
b depicts two magnets aligned such that their polarities are the same in direction resulting in an attracting spatial force. Referring to
a depicts two magnets 100a 100b having substantial alignment 400 such that the North pole 104 of the first magnet 100a has substantially full contact across its surface with the surface of the South pole 102 of the second magnet 100b.
b depicts two magnets 100a, 100b having partial alignment 402 such that the North pole 104 of the first magnet 100a is in contact across its surface with approximately two-thirds of the surface of the South pole 102 of the second magnet 100b.
c depicts a first sized magnet 100a and smaller different sized magnets 100b 100c having partial alignment 404. As seen in
Generally, one skilled in the art will recognize in relation to
In accordance with the present invention, combinations of magnet (or electric) field emission sources, referred to herein as magnetic field emission structures, can be created in accordance with codes having desirable correlation properties. When a magnetic field emission structure is brought into alignment with a complementary, or mirror image, magnetic field emission structure the various magnetic field emission sources all align causing a peak spatial attraction force to be produced whereby misalignment of the magnetic field emission structures causes the various magnetic field emission sources to substantially cancel each other out as function of the code used to design the structures. Similarly, when a magnetic field emission structure is brought into alignment with a duplicate magnetic field emission structure the various magnetic field emission sources all align causing a peak spatial repelling force to be produced whereby misalignment of the magnetic field emission structures causes the various magnetic field emission sources to substantially cancel each other out. As such, spatial forces are produced in accordance with the relative alignment of the field emission structures and a spatial force function. As described herein, these spatial force functions can be used to achieve precision alignment and precision positioning. Moreover, these spatial force functions enable the precise control of magnetic fields and associated spatial forces thereby enabling new forms of attachment devices for attaching objects with precise alignment and new systems and methods for controlling precision movement of objects. Generally, a spatial force has a magnitude that is a function of the relative alignment of two magnetic field emission structures and their corresponding spatial force (or correlation) function, the spacing (or distance) between the two magnetic field emission structures, and the magnetic field strengths and polarities of the sources making up the two magnetic field emission structures.
The characteristic of the present invention whereby the various magnetic field sources making up two magnetic field emission structures can effectively cancel out each other when they are brought out of alignment can be described as a release force (or a release mechanism). This release force or release mechanism is a direct result of the correlation coding used to produce the magnetic field emission structures and, depending on the code employed, can be present regardless of whether the alignment of the magnetic field emission structures corresponds to a repelling force or an attraction force.
One skilled in the art of coding theory will recognize that there are many different types of codes having different correlation properties that have been used in communications for channelization purposes, energy spreading, modulation, and other purposes. Many of the basic characteristics of such codes make them applicable for use in producing the magnetic field emission structures described herein. For example, Barker codes are known for their autocorrelation properties. Although, Barker codes are used herein for exemplary purposes, other forms of codes well known in the art because of their autocorrelation, cross-correlation, or other properties are also applicable to the present invention including, for example, Gold codes, Kasami sequences, hyperbolic congruential codes, quadratic congruential codes, linear congruential codes, Welch-Costas array codes, Golomb-Costas array codes, pseudorandom codes, chaotic codes, and Optimal Golomb Ruler codes. Generally, any code can be employed.
The correlation principles of the present invention may or may not require overcoming normal ‘magnet orientation’ behavior using a holding mechanism. For example, magnets of the same magnetic field emission structure can be sparsely separated from other magnets (e.g., in a sparse array) such that the magnetic forces of the individual magnets do not substantially interact, in which case the polarity of individual magnets can be varied in accordance with a code without requiring a substantial holding force to prevent magnetic forces from ‘flipping’ a magnet. Magnets that are close enough such that their magnetic forces substantially interact such that their magnetic forces would normally cause one of them to ‘flip’ so that their moment vectors align can be made to remain in a desired orientation by use of a holding mechanism such as an adhesive, a screw, a bolt & nut, etc.
a through 11d depict 27 different alignments 902-1 through 902-27 of two magnetic field emission structures 902 where a Barker code of length 7 is used to determine the polarities and the positions of magnets making up a first magnetic field emission structure 902, which corresponds to two modulos of the Barker length 7 code end-to-end. Each magnet has the same or substantially the same magnetic field strength (or amplitude), which for the sake of this example is provided a unit of 1 (A=−R, A=1, R=−1). A second magnetic field emission structure that is identical to the first is shown in 27 different alignments 902-1 through 902-27 relative to the first magnetic field emission structure. For each relative alignment, the number of magnets that repel plus the number of magnets that attract is calculated, where each alignment has a spatial force in accordance with a spatial force function based upon the correlation function and magnetic field strengths of the magnets. With the specific Barker code used, the spatial force varies from −2 to 14, where the peak occurs when the two magnetic field emission structures are aligned such that their respective codes are aligned. Two secondary peaks occur when the structures are half aligned such that one of the successive codes of one structure aligns with one of the codes of the second structure. The off peak spatial force, referred to as the side lobe force, varies from −1 to −2 between the peak and secondary peaks and between 0 and −1 outside the secondary peaks.
a and
a depicts a two dimensional Barker-like code 1400 and a corresponding two-dimensional magnetic field emission structure 1402a. Referring to
b depicts exemplary spatial force functions resulting from a mirror image magnetic field emission structure and a mirror image magnetic field emission structure rotated −90° moving across the magnetic field emission structure. Referring to
c depicts variations of magnetic field emission structure 1402a where rows are reordered randomly in an attempt to affect its directionality characteristics. As shown, the rows of 1402a are numbered from top to bottom 1421 through 1427. A second magnetic field emission structure 1430 is produced by reordering the rows to 1427, 1421, 1424, 1423, 1422, 1426, and 1425. When viewing the seven columns produced, each follows the Barker 7 code pattern wrapping downward. A third magnetic field emission structure 1432 is produced by reordering the rows to 1426, 1424, 1421, 1425, 1423, 1427, and 1422. When viewing the seven columns produced, the first, second, and sixth columns do not follow the Barker 7 code pattern while the third column follows the Barker 7 code pattern wrapping downward while the fourth, fifth and seven columns follow the Barker 7 code pattern wrapping upward. A fourth magnetic field emission structure 1434 is produced by reordering the rows 1425, 1421, 1427, 1424, 1422, 1426, and 1423. When viewing the seven columns produced, each follows the Barker 7 code pattern wrapping upward.
d depicts a spatial force function 1436 resulting from the second magnetic field emission structure 1430 moving across its mirror image structure in one direction 1404 and a spatial force function 1438 resulting from the second magnetic field emission structure 1430 after being rotated −90° moving in the same direction 1404 across the mirror image of the second magnetic field emission structure 1430.
e depicts a spatial force function 1440 resulting from fourth magnetic field emission structure 1434 moving across its mirror image magnetic field emission structure in a direction 1404 and a spatial force function 1442 resulting from the fourth magnetic field emission structure 1434 being rotated −90° and moving in the same direction 1404 across its mirror image magnetic field emission structure.
a depicts a hover code 1600 produced by placing two code modulos 1402a side-by-side and then removing the first and last columns of the resulting structure. As such, a mirror image 1402b can be moved across a resulting magnetic field emission structure from one side 1602a to the other side 1602f and at all times achieve a spatial force function of −7. Hover channel (or box) 1604 is shown where mirror image 1402b is hovering over a magnetic field emission structure produced in accordance with hover code 1600. With this approach, a mirror image 1402b can be raised or lowered by increasing or decreasing the magnetic field strength of the magnetic field emission structure below. Similarly, a hover channel 1606 is shown where a mirror image 1402 is hovering between two magnetic field emission structures produced in accordance with the hover code 1600. With this approach, the mirror image 1402b can be raised or lowered by increasing and decreasing the magnetic field strengths of the magnetic field emission structure below and the magnetic field emission structure above. As with the slide lock codes, various configurations can be created where partial code modulos are added to the structure shown to produce various movement areas above which the movement of a hovering object employing magnetic field emission structure 1402b can be controlled via control of the strength of the magnetic in the structure and/or using other forces.
b depicts a hover code 1608 produced by placing two code modulos 1402a one on top of the other and then removing the first and last rows. As such, mirror image 1402b can be moved across a resulting magnetic field emission structure from upper side 1610a to the bottom side 1610f and at all time achieve a spatial force function of −7.
c depicts an exemplary magnetic field emission structure 1612 where a mirror image magnetic field emission structure 1402b of a 7×7 barker-like code will hover with a −7 (repel) force anywhere above the structure 1612 provided it is properly oriented (i.e., no rotation). Various sorts of such structures can be created using partial code modulos. Should one or more rows or columns of magnets have its magnetic strength increased (or decreased) then the magnetic field emission structure 1402b can be caused to move in a desired direction and at a desired velocity. For example, should the bolded column of magnets 1614 have magnetic strengths that are increased over the strengths of the rest of the magnets of the structure 1612, the magnetic field emission structure 1402b will be propelled to the left. As the magnetic field emission structure moves to the left, successive columns to the right might be provided the same magnetic strengths as column 1614 such that the magnetic field emission structure is repeatedly moved leftward. When the structure 1402b reaches the left side of the structure 1612 the magnets along the portion of the row beneath the top of structure 1402b could then have their magnetic strengths increased causing structure 1402b to be moved downward. As such, various modifications to the strength of magnets in the structure can be varied to effect movement of structure 1402b. Referring again to
a depicts a magnetic field emission structure 1702 comprising nine magnets positioned such that they half overlap in one direction. The structure is designed to have a peak spatial force when (substantially) aligned and have relatively minor side lobe strength at any rotation off alignment.
b depicts the spatial force function 1704 of a magnetic field emission structure 1702 interacting with its mirror image magnetic field emission structure. The peak occurs when substantially aligned.
a depicts an exemplary code 1802 intended to produce a magnetic field emission structure having a first stronger lock when aligned with its mirror image magnetic field emission structure and a second weaker lock when rotated 90° relative to its mirror image magnetic field emission structure.
b depicts spatial force function 1804 of a magnetic field emission structure 1802 interacting with its mirror image magnetic field emission structure. The peak occurs when substantially aligned.
c depicts the spatial force function 1804 of magnetic field emission structure 1802 interacting with its mirror magnetic field emission structure after being rotated 90°. The peak occurs when substantially aligned but one structure rotated 90°.
a-19i depict the exemplary magnetic field emission structure 1802a and its mirror image magnetic field emission structure 1802b and the resulting spatial forces produced in accordance with their various alignments as they are twisted relative to each other. In
a depicts two magnetic field emission structures 1802a and 1802b. One of the magnetic field emission structures 1802b includes a turning mechanism 2000 that includes a tool insertion slot 2002. Both magnetic field emission structures include alignment marks 2004 along an axis 2003. A latch mechanism such as the hinged latch clip 2005a and latch knob 2005b may also be included preventing movement (particularly turning) of the magnetic field emission structures once aligned. Under one arrangement, a pivot mechanism (not shown) could be used to connect the two structures 1802a, 1802b at a pivot point such as at pivot location marks 2004 thereby allowing the two structures to be moved into or out of alignment via a circular motion about the pivot point (e.g., about the axis 2003).
b depicts a first circular magnetic field emission structure housing 2006 and a second circular magnetic field emission structure housing 2008 configured such that the first housing 2006 can be inserted into the second housing 2008. The second housing 2008 is attached to an alternative turning mechanism 2010 that is connected to a swivel mechanism 2012 that would normally be attached to some other object. Also shown is a lever 2013 that can be used to provide turning leverage.
c depicts an exemplary tool assembly 2014 including a drill head assembly 2016. The drill head assembly 2016 comprises a first housing 2006 and a drill bit 2018. The tool assembly 2014 also includes a drill head turning assembly 2020 comprising a second housing 2008. The first housing 2006 includes raised guides 2022 that are configured to slide into guide slots 2024 of the second housing 2008. The second housing 2008 includes a first rotating shaft 2026 used to turn the drill head assembly 2016. The second housing 2008 also includes a second rotating shaft 2028 used to align the first housing 2006 and the second housing 2008.
d depicts an exemplary hole cutting tool assembly 2030 having an outer cutting portion 3032 including a first magnetic field emission structure 1802a and an inner cutting portion 2034 including a second magnetic field emission structure 1802b. The outer cutting portion 2032 comprises a first housing 2036 having a cutting edge 2038. The first housing 2036 is connected to a sliding shaft 2040 having a first bump pad 2042 and a second bump pad 2044. It is configured to slide back and forth inside a guide 2046, where movement is controlled by the spatial force function of the first and second magnetic field emission structures 1802a and 1802b. The inner cutting portion 2034 comprises a second housing 2048 having a cutting edge 2050. The second housing 2048 is maintained in a fixed position by a first shaft 2052. The second magnetic field emission structure 1802b is turned using a shaft 2054 so as to cause the first and second magnetic field emission structures 1802a and 1802b to align momentarily at which point the outer cutting portion 2032 is propelled towards the inner cutting portion 2034 such that cutting edges 2038 and 2050 overlap. The circumference of the first housing 2036 is slightly larger than the second housing 2048 so as to cause the two cutting edges 2038 and 2050 to precisely cut a hole in something passing between them (e.g., cloth). As the shaft 2054 continues to turn, the first and second magnetic field emission structures 1802a and 1802b quickly become misaligned whereby the outer cutting portion 2032 is propelled away from the inner cutting portion 2034. Furthermore, if the shaft 2054 continues to turn at some revolution rate (e.g., 1 revolution/second) then that rate defines the rate at which holes are cut (e.g., in the cloth). As such, the spatial force function can be controlled as a function of the movement of the two objects to which the first and second magnetic field emission structures are associated. In this instance, the outer cutting portion 3032 can move from left to right and the inner cutting portion 2032 turns at some revolution rate.
e depicts an exemplary machine press tool comprising a bottom portion 2058 and a top portion 2060. The bottom portion 2058 comprises a first tier 2062 including a first magnetic field emission structure 1802a, a second tier 2064 including a second magnetic field emission structure 2066a, and a flat surface 2068 having below it a third magnetic field emission structure 2070a. The top portion 2060 comprises a first tier 2072 including a fourth magnetic field emission structure 1802b having mirror coding as the first magnetic field emission structure 1802a, a second tier 2074 including a fifth magnetic field emission structure 2066b having mirror coding as the second magnetic field emission structure 2066a, and a third tier 2076 including a sixth magnetic field emission structure 2070b having mirror coding as the third magnetic field emission structure 2070a. The second and third tiers of the top portion 2060 are configured to receive the two tiers of the bottom portion 2058. As the bottom and top portions 2058, 2060 are brought close to each other and the top portion 2060 becomes aligned with the bottom portion 2058 the spatial force functions of the complementary pairs of magnetic field emission structures causes a pressing of any material (e.g., aluminum) that is placed between the two portions. By turning either the bottom portion 2058 or the top portion 2060, the magnetic field emission structures become misaligned such that the two portions separate.
f depicts an exemplary gripping apparatus 2078 including a first part 2080 and a second part 2082. The first part 2080 comprises a saw tooth or stairs like structure where each tooth (or stair) has corresponding magnets making up a first magnetic field emission structure 2084a. The second part 2082 also comprises a saw tooth or stairs like structure where each tooth (or stair) has corresponding magnets making up a second magnetic field emission structure 2084b that is a mirror image of the first magnetic field emission structure 2084a. Under one arrangement each of the two parts shown are cross-sections of parts that have the same cross section as rotated up to 360° about a center axis 2086. Generally, the present invention can be used to produce all sorts of holding mechanism such as pliers, jigs, clamps, etc. As such, the present invention can provide a precise gripping force and inherently maintains precision alignment.
g depicts an exemplary clasp mechanism 2090 including a first part 2092 and a second part 2094. The first part 2092 includes a first housing 2008 supporting a first magnetic field emission structure. The second part 2094 includes a second housing 2006 used to support a second magnetic field emission structure. The second housing 2006 includes raised guides 2022 that are configured to slide into guide slots 2024 of the first housing 2008. The first housing 2008 is also associated with a magnetic field emission structure slip ring mechanism 2096 that can be turned to rotate the magnetic field emission structure of the first part 2092 so as to align or misalign the two magnetic field emission structures of the clasp mechanism 2090. Generally, all sorts of clasp mechanisms can be constructed in accordance with the present invention whereby a slip ring mechanism can be turned to cause the clasp mechanism to release. Such clasp mechanisms can be used as receptacle plugs, plumbing connectors, connectors involving piping for air, water, steam, or any compressible or incompressible fluid. The technology is also applicable to Bayonette Neil-Concelman (BNC) electronic connectors, Universal Serial Bus (USB) connectors, and most any other type of connector used for any purpose.
The gripping force described above can also be described as a mating force. As such, in certain electronics applications this ability to provide a precision mating force between two electronic parts or as part of a connection may correspond to a desired characteristic, for example, a desired impedance. Furthermore, the invention is applicable to inductive power coupling where a first magnetic field emission structure that is driven with AC will achieve inductive power coupling when aligned with a second magnetic field emission structure made of a series of solenoids whose coils are connected together with polarities according to the same code used to produce the first magnetic field emission structure. When not aligned, the fields will close on themselves since they are so close to each other in the driven magnetic field emission structure and thereby conserve power. Ordinary inductively coupled systems' pole pieces are rather large and cannot conserve their fields in this way since the air gap is so large.
Generally, the ability to easily turn correlated magnetic structures such that they disengage is a function of the torque easily created by a person's hand by the moment arm of the structure. The larger it is, the larger the moment arm, which acts as a lever. When two separate structures are physically connected via a structural member, as with the cover panel 2114, the ability to use torque is defeated because the moment arms are reversed. This reversal is magnified with each additional separate structure connected via structural members in an array. The force is proportional to the distance between respective structures, where torque is proportional to force times radius. As such, under one arrangement, the magnetic field emission structures of the covered structural assembly 2116 include a turning mechanism enabling them to be aligned or misaligned in order to assemble or disassemble the covered structural assembly. Under another arrangement, the magnetic field emission structures do not include a turning mechanism.
If the surface in contact with the cylinder is in the form of a belt, then the traction force can be made very strong and still be non-slipping and independent of belt tension. It can replace, for example, toothed, flexible belts that are used when absolutely no slippage is permitted. In a more complex application the moving belt can also be the correlating surface for self-mobile devices that employ correlating wheels. If the conveyer belt is mounted on a movable vehicle in the manner of tank treads then it can provide formidable traction to a correlating surface or to any of the other rotating surfaces described here.
a and
An alternative approach for using a correlating surface is to have a magnetic field emission structure on an object (e.g, an athlete's or astronaut's shoe) that is intended to partially correlate with the correlating surface regardless of how the surface and the magnetic field emission structure are aligned. Essentially, correlation areas would be randomly placed such the object (shoe) would achieve partial correlation (gripping force) as it comes randomly in contact with the surface. For example, a runner on a track wearing shoes having a magnetic field emission structure with partial correlation encoding could receive some traction from the partial correlations that would occur as the runner was running on a correlated track.
a through 28d depict a manufacturing method for producing magnetic field emission structures. In
An alternative method of manufacturing a magnetic field emission structure from a ferromagnetic material would be to use one or more lasers to selectively heat up field emission source locations on the ferromagnetic material to the Curie temperature and then subject the locations to a magnetic field. With this approach, the magnetic field to which a heated field emission source location may be subjected may have a constant polarity or have a polarity varied in time so as to code the respective source locations as they are heated and cooled.
To produce superconductive magnet field structures, a correlated magnetic field emission structure would be frozen into a super conductive material without current present when it is cooled below its critical temperature.
a through 30c provide a side view, an oblique projection, and a top view, respectively, of a magnetic field emission structure 2800b having a surrounding heat sink material 3000 and an embedded kill mechanism comprising an embedded wire (e.g., nichrome) coil 3002 having connector leads 3004. As such, if heat is applied from outside the magnetic field emission structure 2800b, the heat sink material 3000 prevents magnets of the magnetic field emission structure from reaching their Curie temperature. However, should it be desirable to kill the magnetic field emission structure, a current can be applied to connector leads 3004 to cause the wire coil 3002 to heat up to the Curie temperature. Generally, various types of heat sink and/or kill mechanisms can be employed to enable control over whether a given magnetic field emission structure is subjected to heat at or above the Curie temperature. For example, instead of embedding a wire coil, a nichrome wire might be plated onto individual magnets.
a depicts an oblique projection of a first pair of magnetic field emission structures 3102 and a second pair of magnetic field emission structures 3104 each having magnets indicated by dashed lines. Above the second pair of magnetic field emission structures 3104 (shown with magnets) is another magnetic field emission structure where the magnets are not shown, which is intended to provide clarity to the interpretation of the depiction of the two magnetic field emission structures 3104 below. Also shown are top views of the circumferences of the first and second pair of magnetic field emission structures 3102 and 3104. As shown, the first pair of magnetic field emission structures 3102 have a relatively small number of relatively large (and stronger) magnets when compared to the second pair of magnetic field emission structures 3104 that have a relatively large number of relatively small (and weaker) magnets. For this figure, the peak spatial force for each of the two pairs of magnetic field emission structures 3102 and 3104 are the same. However, the distances D1 and D2 at which the magnetic fields of each of the pairs of magnetic field emission structures 3102 and 3104 substantially interact (shown by up and down arrows) depends on the strength of the magnets and the area over which they are distributed. As such, the much larger surface of the second magnetic field emission structure 3104 having much smaller magnets will not substantially attract until much closer than that of first magnetic field emission structure 3102. This magnetic strength per unit area attribute as well as a magnetic spatial frequency (i.e., # magnetic reversals per unit area) can be used to design structures to meet safety requirements. For example, two magnetic field emission structures 3104 can be designed to not have significant attraction force if a finger is between them (or in other words the structures wouldn't have significant attraction force until they are substantially close together thereby reducing (if not preventing) the opportunity/likelihood for body parts or other things such as clothing getting caught in between the structures).
b depicts a magnetic field emission structure 3106 made up of a sparse array of large magnetic sources 3108 combined with a large number of smaller magnetic sources 3110 whereby alignment with a mirror image magnetic field emission structure would be provided by the large sources and a repel force would be provided by the smaller sources. Generally, as was the case with
One skilled in the art will recognize that the all sorts of different combinations of magnets having different strengths can be oriented in various ways to achieve desired spatial forces as a function of orientation and separation distance between two magnetic field emission structures. For example, a similar aligned attract-repel equilibrium might be achieved by grouping the sparse array of larger magnets 3108 tightly together in the center of magnetic field emission structure 3106. Moreover, combinations of correlated and non-correlated magnets can be used together, for example, the weaker magnets 3110 of
As described above, vacuum tweezers can be used to handle the magnets during automatic placement manufacturing. However, the force of vacuum, i.e. 14.7 psi, on such a small surface area may not be enough to compete with the magnetic force. If necessary, the whole manufacturing unit can be put under pressure. The force of a vacuum is a function of the pressure of the medium. If the workspace is pressurize to 300 psi (about 20 atmospheres) the force on a tweezer tip 1/16″ across would be about 1 pound which depending on the magnetic strength of a magnet might be sufficient to compete with its magnetic force. Generally, the psi can be increased to whatever is needed to produce the holding force necessary to manipulate the magnets.
If the substrate that the magnets are placed in have tiny holes in the back then vacuum can also be used to hold them in place until the final process affixes them permanently with, for example, ultraviolet curing glue. Alternatively, the final process by involve heating the substrate to fuse them all together, or coating the whole face with a sealant and then wiping it clean (or leaving a thin film over the magnet faces) before curing. The vacuum gives time to manipulate the assembly while waiting for whatever adhesive or fixative is used.
As described herein, magnetic field emission structures can be produced with any desired arrangement of magnetic (or electric) field sources. Such sources may be placed against each other, placed in a sparse array, placed on top of, below, or within surfaces that may be flat or curved. Such sources may be in multiple layers (or planes), may have desired directionality characteristics, and so on. Generally, by varying polarities, positions, and field strengths of individual field sources over time, one skilled in the art can use the present invention to achieve numerous desired attributes. Such attributes include, for example:
a through 36g provide a few more examples of how magnetic field sources can be arranged to achieve desirable spatial force function characteristics.
e depicts an exemplary magnetic field emission structure having sources arranged as curved spokes.
Exemplary applications of the invention:
While particular embodiments of the invention have been described, it will be understood, however, that the invention is not limited thereto, since modifications may be made by those skilled in the art, particularly in light of the foregoing teachings.
This Non-provisional application is a continuation of U.S. Non-Provisional application Ser. No. 14/313,083, filed Jun. 24, 2014, titled “A Field Emission System and Method”, which is a continuation of U.S. Pat. No. 8,760,252, issued Jun. 24, 2014, titled “A Field Emission System and Method”, which is a continuation of U.S. Pat. No. 8,356,400, issued Jan. 22, 2013, titled “Method for Manufacturing a Field Emission Structure”, which is a continuation of U.S. Pat. No. 7,800,471, issued Sep. 21, 2010, titled “Field Emission System and Method”, which claims the benefit of U.S. Provisional Application Ser. No. 61/123,019, filed Apr. 4, 2008, titled “A Field Emission System and Method”, which is incorporated by reference herein in its entirety.
Number | Date | Country | |
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61123019 | Apr 2008 | US |
Number | Date | Country | |
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Parent | 14313083 | Jun 2014 | US |
Child | 14513031 | US | |
Parent | 13530893 | Jun 2012 | US |
Child | 14313083 | US | |
Parent | 12206271 | Sep 2008 | US |
Child | 13530893 | US | |
Parent | 12123718 | May 2008 | US |
Child | 12206271 | US |