Differential microphone
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United States of America Patent
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-
Dec 30, 1986
Grant Date -
N/A
app pub date -
Feb 13, 1985
filing date -
Feb 13, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A differential microphone which includes a plate positioned between and spanning the sound-receiving opening of the microphone. Carried by the plate is a transducer having opposed sound entries surrounded by one or more bores which extend through the plate. The plate serves to delay sound reception at one transducer sound entry.
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