Movable Track Pad with Smudge-Resistant Input Surface
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Abstract
An input device is disclosed. The input device includes a movable touch-sensitive track pad capable of detecting an object in close proximity thereto so as to generate a tracking control signal. The input device also includes a movement indicator capable of detecting the movements of the ovable track pad so as to generate one or more other control signals (e.g, button signals). The control signals can be used to perform actions in an electronic device operatively coupled to the input device.
17 Citations
21 Claims
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1. (canceled)
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2. An input device comprising:
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a touch-sensitive track pad comprising; an input surface; an electrode layer positioned below the input surface and configured to detect a location of a user touch on the input surface; and a substrate supporting the electrode layer; and a frame comprising a flexure configured to flex in response to pressure on the input surface of the touch-sensitive track pad; and a pressure sensor coupled to the frame and configured to provide a continuous measurement of an amount of depression of the input surface in response to the pressure. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9)
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10. A touch-sensitive track pad comprising:
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an input surface; a circuit board coupled beneath the input surface and comprising touch sensors configured to detect a user touch and a location of the user touch on the input surface; a frame supporting the circuit board; a flexure hinge coupled to the frame and configured to resist depression of the input surface; a movement indicator disposed beneath the circuit board and configured to detect an amount of movement of the input surface in response to the user touch. - View Dependent Claims (11, 12, 13, 14)
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15. An electronic device comprising:
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a housing comprising an aperture; and an input device positioned at least partially within the aperture and comprising; an input surface; a touch sensor layer coupled below the input surface and configured to detect a user touch and a location of the user touch on the input surface; a substrate supporting the input surface; a frame positioned at least partially below the substrate and comprising a flexure hinge supporting the substrate; and a pressure sensor coupled to the frame and configured to provide a continuous measurement of an amount of depression of the input surface in response to the user touch. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification