Communication device for automatically switching its communication modes and operating method thereof
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United States of America Patent
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Sep 16, 2014
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Jul 25, 2012
filing date -
Jul 25, 2011
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Abstract
The invention provides a communication device for automatically switching its communication modes and an operating method thereof. The communication device includes a photodetector module, a processing module, and a coder-decoder (CODEC) module. The photodetector module is configured to sense variation of light from an object to obtain an optical signal, and is configured to convert the optical signal to an electric current signal, wherein the light varies with a position of the object from the communication device. The processing module is connected to the photodetector module and is configured to direct the CODEC module to switch between audio channels of the communication device according to the electric current signal so as to change a communication mode of the communication device in a phone call.
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