Self shielding capacitance sensing panel
First Claim
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1. An apparatus, comprising:
- a first plurality of sensor elements;
a second plurality of sensor elements, wherein each of the first plurality of sensor elements is capacitively coupled with each of the second plurality of sensor elements, and wherein each of the second plurality of sensor elements comprises a plurality of sub-elements; and
wherein the first plurality of sensor elements are configured to shield each of the second plurality of sensor elements from a noise source.
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Abstract
A self-shielding capacitive sensor array may include a first plurality of sensor elements and a second plurality of sensor elements, where each of the second plurality of sensor elements intersects each of the first plurality of sensor elements, such that each of the first plurality of sensor elements may be capacitively coupled with each of the second plurality of sensor elements. The first plurality of sensor elements may be configured to shield each of the second plurality of sensor elements from a noise source.
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Citations
20 Claims
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1. An apparatus, comprising:
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a first plurality of sensor elements; a second plurality of sensor elements, wherein each of the first plurality of sensor elements is capacitively coupled with each of the second plurality of sensor elements, and wherein each of the second plurality of sensor elements comprises a plurality of sub-elements; and wherein the first plurality of sensor elements are configured to shield each of the second plurality of sensor elements from a noise source. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus, comprising:
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a first plurality of sensor elements separated by a first width between each of the first plurality of sensor elements; and a second plurality of sensor elements separated by a second width between each of the second plurality of sensor elements, wherein the first width is less than the second width, wherein each of the second plurality of sensor elements comprises a plurality of sub-elements, and wherein the first plurality of sensor elements is situated between the second plurality of sensor elements and a noise source. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. An apparatus, comprising:
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a first plurality of sensor elements; a noise source located adjacent to a first side of the plurality of sensor elements; a second plurality of sensor elements located adjacent to a second side of the first plurality of sensor elements, the first side opposite the second side, wherein noise from the noise source is blocked from the second plurality of sensor elements by the first plurality of sensor elements, and wherein each of the second plurality of sensor elements comprises a plurality of sub-elements; and a capacitance sensing system coupled with the first plurality of sensor elements and the second plurality of sensor elements, wherein the capacitive sensing system is configured to measure mutual capacitances between each of the first plurality of sensor elements and each of the second plurality of sensor elements. - View Dependent Claims (17, 18, 19, 20)
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Specification