The subject matter disclosed herein relates to a touch pad module and, more particularly, to a remote input system including a touch pad module for controlling automotive electronic systems.
Input systems for vehicles have increased in variety and scope as the available mechanical and electronic systems have increased in availability and complexity. Different technologies from touch screen displays to complex multifunction encoders have been employed to provide vehicle users different interactive experiences. There are various advantages and disadvantages to the different systems.
Traditional switches and buttons still have a place in modern automotive control systems. However, with the dramatic increase in complexity, automotive input systems need more flexibility without filling every available surface with a switch or button. Touch screens are one alternative that has been employed successfully. With the increased prevalence of touch technology in many electronic devices, users are becoming more adept with this type of interface. However, touch screens require a user to reach the screen and only touch on the desired selection. Driver distraction is always a concern and some users don't like to stretch to reach the screen. Alternatively, multifunction encoders having knobs that rotate, push to click, and/or a joystick functionality are alternatives to touch screens in many vehicles. While some of these devices may solve the problem of reaching for a touch screen and can be used without looking at the device, many are complex and take time and practice to learn how to operate.
What is needed is a remote input system that allows a user, such as a driver, to leverage knowledge and experience of current technology systems for application to a remote input system of a vehicle. A remote input system including a touch pad module configured to enable a user to ergonomically and easily control automotive systems while minimizing driver distraction is desirable.
According to one aspect, a touch pad module includes a housing and a touch pad. The housing is disposed on a center console of a vehicle and defines an opening. The touch pad is positioned within the opening. The touch pad has an arcuate contact surface curved inwardly with respect to the opening toward a central axis of the touch pad.
According to another aspect, a remote input system for a vehicle includes a touch pad module and a display. The touch pad module includes a housing and a touch pad. The housing is disposed on a center console of a vehicle and defines an opening. The touch pad is positioned within the opening. The touch pad has an arcuate contact surface curved inwardly with respect to the opening toward a central axis of the touch pad. The display is coupled in signal communication with the touch pad module for presenting selectable information for one or more systems of the vehicle based at least in part on one or more signals received from the touch pad module.
According to a further aspect, a method for controlling a remote input system for a vehicle is provided. The remote input system for a vehicle includes a display and a touch pad module having a touch pad. The touch pad module is disposed on a center console of a vehicle. The touch pad includes an arcuate contact surface. The arcuate contact surface follows an arc defined by a user's fingertip contacting the arcuate contact surface as the user's wrist rotates to move the fingertip in a transverse direction on the arcuate contact surface. The display is coupled in signal communication with the touch pad module for presenting selectable information for one or more systems of the vehicle based at least in part on one or more signals received from the touch pad module. The method includes communicating a signal from the touch pad to a processor in signal communication with the display when a user moves a finger along the arcuate contact surface of the touch pad to a region of the arcuate contact surface. Indicia presented on the display that is representative of information of a system of the vehicle is highlighted in response to the signal from the touch pad. The highlighted indicia is selected via the arcuate contact surface.
Other aspects and advantages of certain embodiments will become apparent upon consideration of the following detailed description, wherein similar structures have similar reference numerals.
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It is contemplated that in some embodiments the controller 118 is a stand-alone unit that is in signal communication with all of the other components of the remote input system 100. In some embodiments, the controller 118 is included within, or coupled to, a controller area network (CAN) bus included within the vehicle 50. The controller 118 is also in signal communication with all of the requisite controllers and systems (not shown) of the vehicle 50. In certain embodiments, the controller 118 is included in the touch pad module 102. Alternatively, the controller 118 is included in the display 104. In other embodiments, the controller 118 is a component of one of the systems (not shown) of the vehicle 50.
The controller 118 may act or perform control functions disclosed herein, and may include one or more processors, memory and/or one or more programmable hardware elements. As used herein, the term “controller” is intended to include any types of processors, CPUs, microcontrollers, digital signal processors, or other suitable devices capable of executing software instructions. Further, memory may include a non-volatile medium, e.g., a magnetic media or hard disk, optical storage, or flash memory; a volatile medium, such as system memory, e.g., random access memory (RAM) such as DRAM, SRAM, EDO RAM, RDRAM, RAM, or DRDRAM, for example; or an installation medium, such as software media, e.g., a CD-ROM, or floppy disks, on which configuration data and programs may be stored and/or data communications may be buffered. The term “memory” may also include other types of known or future developed memory or combinations thereof.
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It is also contemplated that in different exemplary embodiments the arcuate contact surface 128 can have different characteristics. In one embodiment, the arcuate contact surface 128 is curved inwardly toward an axis perpendicular (not shown) to the central axis 106 and that also includes the center point 130. In another embodiment, the curved arcuate surface 128 is curved inwardly toward the center point 130 and forms a spherically concave surface.
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It is also contemplated that the touch pad 126 and the first button 138 and the second button 140 are in signal communication with the display 104. The display 104 presents selectable information to the user. The user can select or change the information on the display by actuating the first button 138 and/or the second button 140, using the touch pad 126, or any of the other devices and means that may be part of the remote input system 100 as described above. More specifically, when a user touches the touch pad 126 with a fingertip or slides a fingertip across the arcuate contact surface 128, a signal is communicated to the controller 118 in signal communication with the display 104. In one embodiment the detection of a user's touch substantially along the central axis of the touch pad 126 may correspond to a highlighting of a selectable selection that is displayed substantially along a central axis of the display 104. In some embodiments, a user sliding a fingertip along the arcuate contact surface 128 will signal to the display 104, via the controller 118, to indicate a selection is ready to be selected by highlighting the selection, for example. If the user continues to slide his or her fingertip along the arcuate contact surface 128, the display 104 highlights the next selectable selection on the display 104 corresponding to the direction of movement of the user's fingertip. In this way, the user can change the selectable information to be selected by sliding a fingertip across the arcuate contact surface 128 of the touch pad 126. Once the desired selectable information is indicated on the display 104, the user may tap or touch the arcuate contact surface 128 to make a selection. Tapping or touching the arcuate contact surface 128 transmits a signal to the display 104 via the controller 118 indicating that a selection has been made. This signal may result in one or more of the following: more information about the selection may be presented on the display 104, one or more systems of the vehicle 50 may be activated, and one or more parameters of a system may be adjusted. For example, a user may slide a fingertip across the arcuate contact surface 128 until an indicator for an audio system is highlighted on the display 104. The user then taps the arcuate contact surface 128 to select the audio system and a new menu of selections are presented on the display 104 to the user relating to the audio system. The user can repeat the process until the radio is activated and tuned to a desired station at a desired volume, for example. Each time the user interacts with the touch pad module 102, a signal is transmitted via the controller 118 to the display 104.
It is also contemplated that in some embodiments the first button 138 and the second button 140 have dedicated functions. For example, in some embodiments, when the vehicle 50 is started a first or home set of selectable information may be presented on the display 104. The user then can follow the process as described above to select any of the selectable information presented on the display 104 to control various systems of the vehicle. In some embodiments, the first button 138 may include a dedicated function of returning the selectable information presented on the display 104 to the first set of selectable information, regardless of the selectable information presented on the display 104. Alternatively, the second button 140 may have a dedicated function of changing the selectable information presented on the display 104 to the previous set of selectable information that was presented on display 104 before the last selection by the user. In this embodiment, the first button 138 is a “home” button and the second button 140 is a “back” button. One having ordinary skill in the art would understand the surface indicia to indicate these types of functions and physical arrangement of such buttons. By depressing the first button 138 or the second button 140 the user initiates the controller 118 to transmit one or more appropriate signals to the display 104 to present the first set or the previous set of selectable information.
In certain embodiments, the positioning of the fingertip on the touch pad is correlated directly to a position on the display. That is, every point on the arcuate contact surface 128 correlates directly to a position on the display 104. With absolute positioning, the display 104 may be partitioned into a plurality of regions with each region representing a selection of selectable information. A user need only touch a region on the arcuate contact surface 128 that corresponds to a region on the display 104 to highlight and make a selection. In some embodiments, relative positioning is employed. As the user moves one or more fingertips along the arcuate contact surface 128 of the touch pad 126 information is highlighted or a pointer is moved across the display 104. If the user's fingertip reaches an edge of the arcuate contact surface 128 the user can pick up the fingertip and move to a contact point at another location and begin moving the fingertip again to continue signaling the display selection. One advantage of relative positioning is that the sensitivity of the touch pad 126 can be adjusted to a specific user's preference. Some users like a small movement on the touch pad 126 to correspond to a large movement on the display 104. Other users may want a small amount of movement on the display 104 to correspond to a relatively larger amount of movement on the touch pad 126.
In certain embodiments, it is contemplated that a user may make a selection of information presented and highlighted on the display 104 by pressing on the arcuate contact surface 128 of the touch pad 126 and actuating a switch (not show) to send a signal to the display 104. The touch pad 126 can be mounted within the touch pad housing 120 such that a small amount of movement is allowed. This method of making a selection would enable positive feedback to the user that a selection has been made.
It is also contemplated that in some embodiments more than one touch pad module 102 may be mounted in the vehicle 50. For example, the touch pad module 102 may be mounted on an inside surface of a door adjacent the driver's seat (not shown) to accommodate drivers that prefer to use a left hand. Alternatively, a plurality of touch pad modules 102 may be provided at different locations for the passengers to control personal entertainment systems (not shown). For example, passengers located in the rear passenger seats 60 may have touch pad modules 102 disposed in a location that is conveniently accessed to control an entertainment system that includes displays only visible to them, such as in the back of the headrests for the front seats or mounted to the interior surface of the ceiling of the vehicle 50.
It is also contemplated that the touch pad 126 could be used with one or more gloved fingertips as well as one or more bare fingertips in some embodiments. Further, it is contemplated that the touch pad 126 could support different gestures by one or more fingers that send specific signals via the controller 118 to the display 104. For example, two fingertips moving relative to each other can provide a specific signal to the display 104 for specific systems. In certain embodiments, two fingers sliding in contact with the arcuate contact surface 128 transversely to the center axis 106 can transition the information presented on the display 104 between systems or pages of selectable information. In certain embodiments, two fingers sliding in contact with the arcuate contact surface 128 parallel to the center axis 106 can scroll the selectable information vertically on the display 104. Further, in certain embodiments, two fingers sliding in contact with the arcuate contact surface 128 in a circular or rotational pattern can rotate an image presented on the display 104. It is also contemplated that two finger pinch and/or expand gestures may initiate zooming of an image displayed on the display. Moreover, contact of three or four fingers detected on the contact surface 128 may trigger a predefined function. Alternatively, gestures with one or more fingertips sliding on the arcuate contact surface 128 can replicate the signals of the first button 138 and/or the second button 140. It is also contemplated that in certain embodiments the controller 118 is configured to recognize input on the arcuate contact surface 128 when the user traces the shape of letters and/or numbers with a fingertip, for example, when entering an address into a navigation system or numbers for a radio station. Further, in some embodiments gestures including one or more fingertips sliding in contact with the arcuate contact surface 128 can perform specific functions, for example, controlling specific functions within a system on the display 104, such as a web browser. It is also contemplated that in certain embodiments touching the arcuate contact surface 128 causes a menu of selectable information to be presented on the display 104. In certain embodiments, gestures with one or more fingertips sliding in contact with the arcuate contact surface 128 can be programmed by the user to represent a shortcut to a specific set of selectable information, a specific setting adjustment, or multiple simultaneous functions. For example, in one embodiment a specific gesture can be programmed to turn on the radio to a specific radio station at a specific volume level.
It is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of “including,” “comprising,” or “having” and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. Unless specified or limited otherwise, the terms “mounted,” “connected,” “supported,” and “coupled” and variations thereof are used broadly and encompass both direct and indirect mountings, connections, supports, and couplings. Further, “connected” and “coupled” are not restricted to physical or mechanical connections or couplings.
The foregoing description of embodiments and examples has been presented for purposes of illustration and description. It is not intended to be exhaustive or limiting to the forms described. Numerous modifications are possible in light of the above teachings. Some of those modifications have been discussed and others will be understood by those skilled in the art. The embodiments were chosen and described for illustration of various embodiments. The scope is, of course, not limited to the examples or embodiments set forth herein, but can be employed in any number of applications and equivalent devices by those of ordinary skill in the art. Rather, it is hereby intended the scope be defined by the claims appended hereto. Additionally, the features of various implementing embodiments may be combined to form further embodiments.
Number | Date | Country | |
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62090644 | Dec 2014 | US |