KEY MODULE AND SIGNAL GENERATING METHOD THEREOF
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United States of America Patent
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Issued Date -
Nov 13, 2014
app pub date -
Feb 10, 2014
filing date -
May 8, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A key module and a signal generating method of the key module are provided. The key module is suitable for an electronic device, the electronic device has a processing system, and the key module includes a detecting module and a controller. The detecting module includes a main electrode conductor and an assisting electrode conductor, where the assisting electrode conductor is disposed around the main electrode conductor. The controller is coupled to the main electrode conductor and the assisting electrode conductor. When the controller determines that a touch is detected by the main electrode conductor, but not detected by the assisting electrode conductor, the controller transmits a key signal to the processing system.
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