OPTICAL MICROPHONE AND METHOD FOR DETECTING BODY CONDUCTED SOUND SIGNALS
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United States of America Patent
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Issued Date -
Mar 13, 2014
app pub date -
Sep 13, 2012
filing date -
Sep 13, 2012
priority date (Note) -
Abandoned
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Abstract
A method and an optical microphone that may include a transmitter; and a sensor; wherein the transmitter is arranged, when facing an external auditory canal of a user, to direct optical signals towards an area of the external auditory canal; wherein the sensor is arranged to generate sensing signals that are indicative of reflected radiation that reflected from the external auditory canal; wherein the reflected radiation conveys information about body conducted signals that propagate through a body of the user and cause the external auditory canal to vibrate.
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