System and method for providing virtual keys in a capacitive technology based user input device
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United States of America Patent
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N/A
Issued Date -
Nov 16, 2006
app pub date -
May 10, 2005
filing date -
May 10, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A user input device (UID) having a slide panel and a microcontroller is provided. The slide panel includes a plurality of sensors arranged in a pattern having at least one pair of adjacent sensors. Upon operation of the slide panel, including an operator sliding action along the slide panel, respective sensors of the plurality of sensors generate a signal indicative of activation of the corresponding sensor. The microcontroller receives the signals generated by the respective sensors responsive to the operation, and for a valid combination of received signals generates an output signal corresponding to the received signals. When the received signals indicate activation of one sensor of a pair of adjacent sensors of the at least one pair of adjacent sensors, the output signal corresponds to a first output state, and when the received signals indicate activation of both sensors of the pair of adjacent sensors, the output signal corresponds to a second output state.
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