Force Determination Employing Sheet Sensor and Capacitive Array
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Accused Products
Abstract
A device configured to sense a touch on a surface of the device. The device includes a cover and a force-sensing structure disposed below the cover. The force-sensing structure may be positioned below a display and used in combination with other force-sensing elements to estimate the force of a touch on the cover of a device.
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Citations
40 Claims
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1-20. -20. (canceled)
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21. An electronic device comprising:
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a cover; a transparent touch sensor disposed below the cover and configured to detect a location of a touch on the cover; a display disposed below the cover; a force-sensing structure disposed below the cover and around a perimeter of the display and comprising; an upper capacitive electrode; a lower capacitive electrode disposed below the upper capacitive electrode; a compressible element disposed between the upper and lower capacitive electrodes;
wherein the force-sensing structure is configured to produce an output that corresponds to an amount of force applied by the touch. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
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30. An electronic device comprising:
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a cover; a first force-sensing structure disposed along a first edge of the cover and comprising a first pair of capacitive elements separated by a compressible layer; and a second force-sensing structure disposed along a second edge of the cover and comprising a second pair of capacitive elements separated by the compressible layer. - View Dependent Claims (31, 32, 33)
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34. An electronic device comprising:
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a housing defining an opening; a cover disposed within the opening; a transparent touch sensor disposed below the cover and configured to detect a location of a touch on the cover; a strain-sensitive layer disposed below the cover and configured to produce an output that corresponds to a deflection of the cover; and a force-sensing structure disposed below the strain-sensitive layer, wherein an air gap is located between the strain-sensitive layer and the sheet sensor. - View Dependent Claims (35, 36, 37, 38, 39, 40)
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Specification