Input device haptics and pressure sensing
First Claim
1. An input device comprising:
- an outer surface configured to receive an application of pressure by an object;
a pressure sensor and haptic feedback mechanism having one or more piezos configured to detect and quantify an amount of the application of the pressure to the outer surface by the object, the one or more piezos configured to output a signal indicating the quantified amount of the pressure; and
a pressure sensing and haptic feedback module configured to receive the signal from the one or more piezos indicating the quantified amount of the pressure and control the haptic feedback of the pressure sensor and haptic feedback mechanism by energizing the one or more piezos based at least in part of the quantified amount of pressure, the pressure sensing and haptic feedback module including a capacitor that takes as an input the signal from the one or more piezos, the capacitor configured to be reset to address voltage decay of the signal using a stored voltage offset by the pressure sensing and haptic feedback module.
1 Assignment
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Accused Products
Abstract
Input device haptics and pressure sensing techniques are described. An input device includes an outer surface, a pressure sensor and haptic feedback mechanism, and a pressure sensing and haptic feedback module. The outer surface is configured to receive an application of pressure by an object. The pressure sensor and haptic feedback mechanism has one or more piezos configured to detect and quantify an amount of the application of the pressure to the outer surface by the object, the one or more piezos configured to output a signal indicating the quantified amount of the pressure. The pressure sensing and haptic feedback module is configured to receive the signal from the one or more piezos indicating the quantified amount of the pressure and control the haptic feedback of the pressure sensor and haptic feedback mechanism.
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Citations
20 Claims
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1. An input device comprising:
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an outer surface configured to receive an application of pressure by an object; a pressure sensor and haptic feedback mechanism having one or more piezos configured to detect and quantify an amount of the application of the pressure to the outer surface by the object, the one or more piezos configured to output a signal indicating the quantified amount of the pressure; and a pressure sensing and haptic feedback module configured to receive the signal from the one or more piezos indicating the quantified amount of the pressure and control the haptic feedback of the pressure sensor and haptic feedback mechanism by energizing the one or more piezos based at least in part of the quantified amount of pressure, the pressure sensing and haptic feedback module including a capacitor that takes as an input the signal from the one or more piezos, the capacitor configured to be reset to address voltage decay of the signal using a stored voltage offset by the pressure sensing and haptic feedback module. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A trackpad system comprising:
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an outer surface configured to receive an application of pressure by an object and detect movement of the object in relation to the outer surface, the detected movement usable to control a cursor of a computing device; a pressure sensor and haptic feedback mechanism having a plurality of pressure sensors that suspend the outer surface and are configured to detect and quantify an amount of the application of the pressure to the outer surface by the object, the pressure sensor and haptic feedback mechanism configured to output one or more signals indicating the quantified amount of the pressure; and a pressure sensing module configured to receive the one or more signals from the plurality of pressure sensors indicating the quantified amount of the pressure detected via one or more piezos and control haptic feedback of the pressure sensor and haptic feedback mechanism by energizing the one or more piezos based at least in part on the quantified amount of pressure, the pressure sensing module including a capacitor that takes as an input the signal from the plurality of pressure sensors, the capacitor configured to be reset as part of the pressure sensing module to address voltage decay of the signal using a stored voltage offset. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. An input device comprising:
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an outer surface configured to receive an application of pressure by an object; a pressure sensor configured to detect and quantify an amount of the application of the pressure to the outer surface by the object, the pressure sensor configured to output a signal indicating the quantified amount of the pressure; a haptic feedback mechanism configured to provide haptic feedback using at least one piezo; and a pressure sensing module configured to receive the signal from the pressure sensors indicating the quantified amount of the pressure and control the haptic feedback of the haptic feedback mechanism by energizing the at least one piezo based at least in part on the quantified amount of pressure, the pressure sensing module including a capacitor that takes as an input the signal from the pressure sensor, the capacitor configured to be reset as part of the pressure sensing module to address voltage decay of the signal using a stored voltage offset. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification