Lattice Structure for Capacitance Sensing Electrodes
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Abstract
A sensor array includes a first sensor element of a unit cell and a second sensor element of the unit cell. The unit cell includes core traces of the first sensor element, where the core traces are the widest portion of the first sensor element. The unit cell includes main traces of the second sensor element and subtraces of the second sensor element, where each main trace crosses the first sensor element at a corresponding bridge to form an intersection of the unit cell.
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Citations
40 Claims
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1-20. -20. (canceled)
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21. A sensor array comprising:
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a first sensor element of a unit cell; and a second sensor element of the unit cell, the unit cell comprising; a plurality of core traces of the first sensor element, wherein each core trace is a widest portion of the first sensor element; a plurality of main traces of the second sensor element, wherein each main trace crosses the first sensor element at a corresponding bridge to form an intersection of the unit cell; and a plurality of subtraces of the second sensor element. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A capacitive sensor array, comprising:
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a first plurality of sensor elements, wherein each of the first plurality of sensor elements comprises a core trace, wherein for each sensor element of the first plurality of sensor elements, the core trace of the sensor element wider than any other trace of the sensor element; and a second sensor element configured to capacitively couple with each of the first plurality of sensor elements, wherein the second sensor element comprises; a first main trace, a second main trace, and a plurality of primary subtraces branching away from each of the first and second main trace, wherein each of the first main trace and the second main trace intersects each of the first plurality of sensor elements at a bridge to form a plurality of unit cells, wherein each of the plurality of unit cells comprises; a first intersection between the first main trace and one of the first plurality of sensor elements, a second intersection between the second main trace and the one of the first plurality of sensor elements, a first primary subtrace of the plurality of primary subtraces, wherein the first primary subtrace branches from the first main trace, wherein the first primary subtrace is disposed between the first and the second main trace, and a first secondary subtrace trace that branches from the first primary subtrace. - View Dependent Claims (32, 33, 34, 35, 36)
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37. A capacitive touch sensing system, comprising:
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a capacitive sensor array comprising a first plurality of sensor elements, which intersect with second plurality of sensor elements to form a plurality of unit cells, each unit cell comprising; a plurality of core traces of the a first sensor element of the plurality of sensor elements, wherein the core trace is a widest portion of the first sensor element; a plurality of main traces of a second sensor element of the second plurality of sensor elements, wherein each main trace crosses the first sensor element at a corresponding bridge to form an intersection of the unit cell; a plurality of subtraces of the second sensor element; and a capacitance sensor coupled with the capacitive sensor array, wherein the capacitance sensor is configured to determine a mutual capacitance for each unit cell. - View Dependent Claims (38, 39, 40)
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Specification