AUDIO SIGNAL RECEIVING DEVICE AND AUDIO SIGNAL ADAPTER DEVICE
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United States of America Patent
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Issued Date -
Aug 14, 2014
app pub date -
Jun 15, 2012
filing date -
Jun 15, 2011
priority date (Note) -
Abandoned
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Abstract
An audio signal adapter device and an audio signal receiving device are provided herein. The audio signal adapter device comprises: an input interface, a USB output interface, and a signal amplifying unit, in which the input interface is a headphone interface, and has a first audio signal input pin, configured to receive an audio signal sent by an audio signal sending device connected with the input interface and to output the audio signal to an input end of the signal amplifying unit; the USB output interface comprises an audio signal output pin; the signal amplifying unit is connected with the first audio signal input pin and the audio signal output pin for outputting an amplified audio signal; the audio signal output pin is a D+ pin or D− pin of the USB output interface.
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