Touch-sensitive button with two levels
First Claim
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1. A touch sensitive button, comprising:
- a touch sensor array for detecting input events;
an actuator coupled with the touch sensor array; and
a processor communicatively coupled to the touch sensor array and the actuator, the processor capable of placing the touch sensor array in a low-power state when no touch of the button is detected by the actuator;
wherein the processor is further capable of switching the touch sensor array from the low-power state to an active scan state when a touch of the button is detected by the actuator.
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Abstract
A touch-sensitive depressible button with multiple depression thresholds is provided. When the button is depressed to a first depression threshold, the touch sensor can be switched from a low-power, non-sensing state to a sensing state. When the button is depressed to a second depression threshold, the touch sensor can sense the touch context and input can be generated based on the depression and the touch context. In this way, the touch-sensitive depressible button with multiple depression thresholds can facilitate timely switching of the touch sensor to a sensing state.
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Citations
17 Claims
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1. A touch sensitive button, comprising:
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a touch sensor array for detecting input events; an actuator coupled with the touch sensor array; and a processor communicatively coupled to the touch sensor array and the actuator, the processor capable of placing the touch sensor array in a low-power state when no touch of the button is detected by the actuator; wherein the processor is further capable of switching the touch sensor array from the low-power state to an active scan state when a touch of the button is detected by the actuator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for generating input from a touch sensitive button, comprising:
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placing a touch sensor array in a low-power state when no touch of the button is detected by an actuator; switching the touch sensor array from the low-power state to an active scan state when a touch of the button is detected by the actuator; and detecting input events at the touch sensor array when the touch sensor array is switched to the active scan state. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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Specification