MUTUAL CAPACITANCE SENSING ARRAY
First Claim
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1. An apparatus, comprising a mutual capacitance sensing array, the mutual capacitance sensing array comprising a plurality of sensor elements, each sensor element comprising an outer frame including a conductive material, the outer frame forming a cavity within the interior therein.
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Abstract
A method and apparatus for sensing a conductive object by a mutual capacitance sensing array is described according to an embodiment of the present invention. The mutual capacitance sensing array comprises one or more sensor elements. Each sensor element comprises an outer frame including a conductive material. A cavity is formed within the interior of the outer frame.
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Citations
20 Claims
- 1. An apparatus, comprising a mutual capacitance sensing array, the mutual capacitance sensing array comprising a plurality of sensor elements, each sensor element comprising an outer frame including a conductive material, the outer frame forming a cavity within the interior therein.
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13. A method, comprising:
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forming an outer frame for a plurality of sensor elements, each outer frame comprising a conductive material, each outer frame forming a cavity within the interior therein; and interconnecting the plurality of sensor elements to form a mutual capacitance sensor array. - View Dependent Claims (14, 15, 16, 17)
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18. A system, comprising:
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a plurality of capacitive sensor elements configured in an array, each sensor element comprising an outer frame including a conductive material, the outer frame forming a cavity within the interior therein; and a mutual capacitance sensing circuit coupled to the plurality of sensor elements to detect the presence of a conductive object on the plurality of sensor elements. - View Dependent Claims (19, 20)
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Specification