Unidirectional microphone
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United States of America Patent
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May 22, 2018
Issued Date -
N/A
app pub date -
Dec 22, 2016
filing date -
Jan 6, 2016
priority date (Note) -
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Abstract
To obtain a unidirectional microphone with high sound quality, which achieves unidirectivity while preventing deterioration in sound quality of a ribbon microphone. A unidirectional condenser microphone and bi-directional ribbon microphones are included, and the unidirectional condenser microphone and the bi-directional ribbon microphones are disposed such that a 0° direction of a sound collecting axis of the unidirectional condenser microphone accords with a 180° direction of sound collecting axes of the bi-directional ribbon microphones, and an output of the unidirectional condenser microphone is subtracted from an output of the 180° direction of the bi-directional ribbon microphones.
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