Pressure sensitive key normalization
First Claim
1. An input device comprising a plurality of pressure sensitive keys forming a keyboard configured to initiate corresponding inputs of a computing device, each of the plurality of pressure sensitive keys formed from a flexible contact layer spaced apart from a sensor substrate by a spacer layer, a first said pressure sensitive key configured to have a greater sensitivity to pressure than a second said pressure sensitive key through configuration of at least one of respective said flexible contact layers or respective said sensor substrates, the first said pressure sensitive key positioned at a location outside of a home row of the keyboard that is likely to receive less pressure when pressed by one or more fingers of a user'"'"'s hand than the second said pressure sensitive key included as part of the home row, the plurality of pressure sensitive keys configured to provide a normalized output between the plurality of pressure sensitive keys of the keyboard and each pressure sensitive key configured to have different sensitivities at different locations to counteract differences in flexibility at different positions of each respective pressure sensitive key.
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Accused Products
Abstract
Pressure sensitive key techniques are described. In one or more implementations, a device includes at least one pressure sensitive key having a flexible contact layer spaced apart from a sensor substrate by a spacer layer, the flexible contact layer configured to flex responsive to pressure to contact the sensor substrate to initiate an input, for a computing device, associated with the pressure sensitive key. At least one of the flexible contact layer or the sensor substrate are configured to at least partially normalize an output resulting from pressure applied at a first location of the flexible contact layer with an output resulting from pressure applied at a second location of the flexible contact layer that has lesser flexibility than the first location.
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Citations
29 Claims
- 1. An input device comprising a plurality of pressure sensitive keys forming a keyboard configured to initiate corresponding inputs of a computing device, each of the plurality of pressure sensitive keys formed from a flexible contact layer spaced apart from a sensor substrate by a spacer layer, a first said pressure sensitive key configured to have a greater sensitivity to pressure than a second said pressure sensitive key through configuration of at least one of respective said flexible contact layers or respective said sensor substrates, the first said pressure sensitive key positioned at a location outside of a home row of the keyboard that is likely to receive less pressure when pressed by one or more fingers of a user'"'"'s hand than the second said pressure sensitive key included as part of the home row, the plurality of pressure sensitive keys configured to provide a normalized output between the plurality of pressure sensitive keys of the keyboard and each pressure sensitive key configured to have different sensitivities at different locations to counteract differences in flexibility at different positions of each respective pressure sensitive key.
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11. An apparatus comprising:
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a connection portion configured to provide a removable communicative and physical coupling to a computing device; and a plurality of pressure sensitive keys forming a keyboard configured to initiate corresponding inputs of the computing device via the communicative coupling, a first said key configured to have a greater sensitivity to pressure than a second said key, the first said key positioned at a location outside of a home row of the keyboard that is likely to receive less pressure when pressed by one or more fingers of a user'"'"'s hand than the second said key included as part of the home row when the user'"'"'s hand is positioned on the keyboard associated with the plurality of pressure sensitive keys, the plurality of pressure sensitive keys configured to provide a normalized output between the plurality of pressure sensitive keys of the keyboard and each pressure sensitive key configured to have different sensitivities at different locations to counteract differences in flexibility at different positions of each respective pressure sensitive key. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A keyboard comprising:
a plurality of keys configured to initiate corresponding inputs of a computing device via a communicative coupling, a first said key configured to have a greater sensitivity to pressure than a second said key, the first said key is positioned at a location outside of a home row of the keyboard that is likely to receive less pressure when pressed by one or more fingers of a user'"'"'s hand than the second said key included as part of the home row when the user'"'"'s hand is positioned on the keyboard, the plurality of keys configured to provide a normalized output between the plurality of keys of the keyboard and each key configured to have different sensitivities at different locations to counteract differences in flexibility at different positions of each respective key. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29)
Specification