Touch-Based Input Device with Boundary Defining a Void

• US 20080289884A1
• Filed: 05/22/2008
• Published: 11/27/2008
• Est. Priority Date: 05/22/2007
• Status: Abandoned Application

• Current Assignee: QSI Incorporated (Quanta Services Incorporated)
• Original Assignee: QSI Incorporated (Quanta Services Incorporated)
• Inventors: Elwell, James K.
• Application Number:
  US12/125,848
• Publication Number:
  US 20080289884A1
• Time in Patent Office: Days
• US Class Current: 178/18.01
• CPC Class Codes: G06F 3/04142 the force sensing means being located peripherally, e.g. disposed at the corners or at the side of a touch sensing plate

Abstract

A touch-based input device comprising a first structural element supported in a fixed position, a second structural element operable with said first structural element and configured to define a touch-sensing element. The touch-based input device further comprising at least one sensor operable to measure an external stimulus applied to said touch-sensing element, the at least one sensor being configured to output a signal corresponding to said external stimulus to be used to determine a location of said external stimulus applied to said touch-sensing element, wherein at least a portion of the touch-sensing element comprises a boundary defining a void present in the touch-sensing element.

Claims

1. A touch-based input device comprising:

a first structural element supported in a fixed position;

a second structural element operable with said first structural element and configured to define a touch-sensing element;

at least one sensor operable to measure an external stimulus applied to said touch-sensing element, the at least one sensor being configured to output a signal corresponding to said external stimulus to be used to determine a location of said external stimulus applied to said touch-sensing element; and

wherein at least a portion of the touch-sensing element comprises a boundary defining a void present in the touch-sensing element.

2. The touch-based input device of claim 1, wherein said void extends through the entire touch-sensing element.

3. The touch-based input device of claim 1, further comprising a functional attachment mounted to a surface of the touch-sensing element.

4. The touch-based input device of claim 3, wherein said functional attachment is mounted to a surface of the touch-sensing element such that a force exerted on the functional attachment displaces the touch-sensing element.

5. The touch-based input device of claim 3, wherein the functional attachment may be activated by displacement of the touch-sensing element.

6. A touch-based input device comprising:

a first structural element supported in a fixed position;

a second structural element operable with said first structural element and configured to define a touch-sensing element;

at least one sensor operable to measure an external stimulus applied to said touch-sensing element, the at least one sensor being configured to output a signal corresponding to said external stimulus to be used to determine a location of said external stimulus applied to said touch-sensing element; and

a void present within the touch-sensing element, said void configured such that operation of the touch sensing element is unaffected by the presence of said void.

7. The touch-based input device of claim 6, wherein said void is configured to transmit an external object or physical material therethrough.

8. The touch-based input device of claim 6, further comprising a functional attachment disposed within said void.

9. The touch-based input device of claim 6, wherein said functional attachment comprises a dynamic functional attachment having at least one moving element.

10. The touch-based input device of claim 6, wherein said functional attachment is removably supported within said void.

11. The touch-based input device of claim 6, wherein said functional attachment is interchangeable with another functional attachment.

12. The touch-based input device of claim 6, wherein said functional attachment is supported within said void using quick-release attachment means selected from the group consisting of a magnet, a hook and loop fastener, a snap or snap-like fastener, a zipper, an adhesive, and any combination of these.

13. The touch-based input device of claim 6, wherein said functional attachment is supported about said touch-sensing element using attachment means selected from the group consisting of a screw assembly, a bolt assembly, and any combination of these.

14. The touch-based input device of claim 6, wherein said functional attachment comprises multiple layers, each comprising an input surface, and each able to transfer an applied force to any lower layers of said functional attachment.

15. The touch-based input device of claim 6, wherein the void is positioned with respect to a functional attachment to enable user interaction with the functional attachment.

16. The touch-based input device of claim 15, wherein the user interaction comprises passage of an object to and/or from the functional attachment.

17. The touch-based input device of claim 15, wherein the void is configured to transmit wave energy.

18. The touch-based input device of claim 17, wherein the wave energy comprises sound, electromagnetic radiation, and any combination of these.

19. The touch-based input device of claim 6, wherein said touch-based input device is selected from a group consisting of a resistive-based input device, a capacitance-based input devices, a surface acoustic wave-based devices, a force-based input device, a infrared-based devices, and any combination of these.

20. The touch-based input device of claim 6, further comprising a functional attachment selected from the group consisting of a magnetic card reader, a DVD player, a USB port, a printer, a cash dispensing device, a button, a switch, a light, a speaker, a liquid dispensing unit, a change dispensing unit, and any combination of these.

21. The touch-based input device of claim 6, further comprising a plurality of voids disposed within said touch-sensing element.

22. The touch-based input device of claim 21, further comprising a plurality of functional attachments, each of the plurality of functional attachments disposed within one of the plurality of voids, each of said functional attachments operating independent of one another to perform one or more specified functions.

23. The touch-based input device of claim 6, further comprising a three-dimensional surface associated with the force-sensing element and configured to transfer an applied force to the at least one sensor.

24. The touch-based input device of claim 23, wherein said three-dimensional surface comprises at least one surface which is not parallel to a top surface of the force-sensing element.

25. A force-based input device comprising:

a first structural element supported in a fixed position;

a second structural element operable with said first structural element, and dynamically supported to be movable with respect to said first structural element to define a force-sensing element configured to displace under an applied force;

at least one sensor operable to measure a force resulting from said displacement of said force-sensing element, the at least one sensor being configured to output a signal corresponding to said measured force, to be used to determine a location of said applied force on said force-sensing element; and

at least one void present within the force-sensing element, said void configured such that operation of the touch sensing element is unaffected by the presence of said void.

26. The force-based input device of claim 25, further comprising a functional attachment disposed within said void and configured to operate without displacing the force-sensing element.

27. The force-based input device of claim 25, further comprising a functional attachment disposed within said void and configured such certain features of the functional attachment may be operated to displace the force-sensing element.

28. A force-based input device comprising:

a first structural element supported in a fixed position;

a second structural element operable with said first structural element, and dynamically supported to be movable with respect to said first structural element to define a force-sensing element configured to displace under an applied force;

a plurality of isolated beam segments joining said first and second structural elements, said isolated beam segments being operable to transfer forces between the first and second structural elements resulting from displacement of said force-sensing element;

at least one sensor operable to measure strain within each of said isolated beam segments resulting from said transfer of forces and said displacement of said force-sensing element, each of said sensors being configured to output a signal, corresponding to said applied force and said measured strain, to be used to determine a location of said applied force on said force-sensing element;

at least one void present within the force-sensing element; and

a functional attachment disposed within the at least one void.

29. A method for fabricating a force-based input device, comprising:

obtaining a substrate usable as a force-sensing element within said force-based input device;

forming one or more voids within said substrate to provide a finished force-sensing element, wherein the formation of said voids does not affect the operation of said substrate as a force-sensing element; and

configuring said substrate for placement of one or more sensors operable with said force-based input device.

30. The method of claim 29, wherein the step of forming one or more voids comprises removing portions of material from said substrate.

31. The method of claim 29, wherein the one or more voids is formed by a process selected from the group consisting of milling, injection molding, drilling, or any combination of these.