Touch-sensor with shared capacitive sensors
First Claim
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1. An apparatus, comprising:
- a first plurality of sensor elements coupled together;
a second plurality of sensor elements coupled together independently of the first plurality of sensor elements; and
a third plurality of sensor elements coupled together independently of the first and second pluralities of sensor elements, wherein the sensor elements of the first, second, and third pluralities of sensor elements are interspersed and disposed in a repetitive sequence along a movement path of a conductive object.
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Abstract
A method and apparatus to implement a touch-sensor device using shared capacitive sensors. The apparatus includes a first plurality of sensor elements coupled together, a second plurality of sensor elements coupled together independently of the first plurality of sensor elements, and a third plurality of sensor elements coupled together independently of the first and second pluralities of sensor elements. The sensor elements of the first, second, and third pluralities of sensor elements are interspersed and disposed in a repetitive sequence along a movement path of a conductive object.
327 Citations
20 Claims
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1. An apparatus, comprising:
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a first plurality of sensor elements coupled together; a second plurality of sensor elements coupled together independently of the first plurality of sensor elements; and a third plurality of sensor elements coupled together independently of the first and second pluralities of sensor elements, wherein the sensor elements of the first, second, and third pluralities of sensor elements are interspersed and disposed in a repetitive sequence along a movement path of a conductive object. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus, comprising:
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a plurality of capsensors; a plurality of sensor elements coupled to the plurality of capsensors, wherein at least two non-adjacent sensor elements of the plurality of sensor elements are coupled to a shared capsensor of the plurality of capsensors, and at least one other sensor element of the plurality of sensor elements is disposed between the two non-adjacent sensor elements and coupled to another capsensor of the plurality of capsensors; and a sequence detector coupled to the plurality of capsensors to detect a conductive sequence of a movement of a conductive object in proximity to at least some of the plurality of sensor elements. - View Dependent Claims (14, 15, 16)
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17. A method, comprising:
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detecting a conductive object at a plurality of sensor elements, wherein the plurality of sensor elements are disposed in a layout according to a repetitive, directional sequence; and determining whether a movement of the conductive device relative to the plurality of sensor elements is in a first direction according to the repetitive, directional sequence or in a second direction according to a unique reverse sequence of the repetitive, directional sequence. - View Dependent Claims (18, 19, 20)
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Specification