Linear resilient material variable resistor
9 Assignments
0 Petitions
Accused Products
Abstract
A variable resistance device comprises a resistive member having a resistive resilient material. A first conductor is configured to be electrically coupled with the resistive member at a first contact location over a first contact area. A second conductor is configured to be electrically coupled with the resistance member at a second contact location over a second contact area. The first contact location and second contact location are spaced from one another by a distance. The resistance between the first conductor at the first contact location and the second conductor at the second contact location is equal to the sum of a straight resistance component and a parallel path resistance component. At least one of the first location, the second location, the first contact area, and the second contact area is changed to produce a change in resistance between the first conductor and the second conductor. The straight resistance component increases or decreases as the distance between the first contact location and the second contact location increases or decrease, respectively. The parallel path resistance component has preset desired characteristics based on selected first and second contact locations and selected first and second contact areas. The first and second contact locations and first and second contact areas can be selected such that the change in the resistance between the first and second contact locations is at least substantially equal to the change in the straight resistance component or the change in the parallel path resistance component.
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Citations
62 Claims
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1-40. -40. (canceled)
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41. A method of providing a variable resistance from a resistive member including a resistive resilient material, the method comprising:
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a. electrically coupling a first conductor to the resistive member at a first location over a first contact area;
b. electrically coupling a second conductor to the resistive member at a selectable second location over a second contact area, the first location and the selectable second location being spaced from one another by a distance having a resistance value between the first conductor and the second conductor; and
c. moving the second conductor to a third location to produce a change in the resistance between the first conductor and the second conductor. - View Dependent Claims (42, 43, 44, 45)
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46. A variable resistor apparatus comprising:
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a. a resistive member wherein the resistive member comprises a resistive resilient material;
b. a first conductor electrically coupled to the resistive member at a first location over a first contact area; and
c. a second conductor electrically coupled to the resistive member at a second location selected from one of a plurality of locations, wherein a resistance value of the resistive member is related to a distance between the first location and the second location. - View Dependent Claims (47, 48, 49, 50, 51, 52, 53, 54)
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55. A method of manufacturing a variable resistor from a resistive member including a resistive resilient material, comprising the steps of:
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a. electrically coupling a first conductor with the resistive member at a first location over a first contact area; and
b. electrically coupling a second conductor to the resistive member at a second location selectable from one of a plurality of locations over a second contact area. - View Dependent Claims (56, 57, 58, 59, 60, 61, 62)
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Specification