Microphone and microphone apparatus
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United States of America Patent
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Mar 20, 2018
Issued Date -
N/A
app pub date -
Jul 11, 2016
filing date -
Jul 27, 2015
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Abstract
A microphone includes: first and second bi-directional microphone units having respective directional axes arranged on two straight lines passing through one point and radially extending with an interval of 120 degrees; a third bi-directional microphone unit having a directional axis arranged on a straight line perpendicular to a plane formed by the two straight lines; and an omnidirectional microphone unit arranged in sound collection regions of the first, second, and third bi-directional microphone units.
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