Keypad with optical sensors
First Claim
Patent Images
1. A device comprising:
- a display;
a keypad having keycaps, each keycap having a top surface;
a plurality of optical sensors located beneath top surfaces of adjacent keycaps, the plurality of optical sensors are arranged in a grid, each of the plurality of optical sensors located between respective adjacent keycaps;
a plurality of light guides, each of the plurality of light guides extending from a respective optical sensor towards the top surfaces;
at least one decoration bar between the adjacent keycaps, the at least one decoration bar including the plurality of light guides; and
,a processor in communication with the plurality of optical sensors and the display, the processor configured to convert detection events at adjacent optical sensors that occur within a given time period to gesture based events at the display.
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Abstract
A keypad with optical sensors is provided. The keypad comprises keycaps, each keycap having a top surface. One or more optical sensors are located beneath top surfaces of adjacent keycaps. One or more light guides extend from a respective optical sensor towards the top surfaces.
20 Citations
16 Claims
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1. A device comprising:
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a display; a keypad having keycaps, each keycap having a top surface; a plurality of optical sensors located beneath top surfaces of adjacent keycaps, the plurality of optical sensors are arranged in a grid, each of the plurality of optical sensors located between respective adjacent keycaps; a plurality of light guides, each of the plurality of light guides extending from a respective optical sensor towards the top surfaces; at least one decoration bar between the adjacent keycaps, the at least one decoration bar including the plurality of light guides; and
,a processor in communication with the plurality of optical sensors and the display, the processor configured to convert detection events at adjacent optical sensors that occur within a given time period to gesture based events at the display. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification