US Patent 7720239 Capacitor microphone with acoustic resistor
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Patent abstract
A capacitor microphone includes a microphone unit having one acoustic terminal or more than one acoustic terminals at one end or opposite ends thereof; an acoustic resistor provided near the acoustic terminal or near one of the acoustic terminals; and a case housing the microphone unit. The acoustic resistor is constituted by a conductive elastic material such as a woven or nonwoven fabric of metal threads, and is electrically connected to the microphone unit and the case.
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Patent Inventor Names
Hiroshi Akino0
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Official Website
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US Patent 07720239 Capacitor microphone with acoustic resistor US Patent 7720239 Capacitor microphone with acoustic resistor
Infobox
Patent Number
077202390
Patent Number
77202390
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Patent Jurisdiction
Patent Number
077202390
Date of Patent
May 18, 2010
0Patent Application Number
112472800
Date Filed
October 12, 2005
0Official Website
Patent Primary Examiner
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US Patent 07720239 Capacitor microphone with acoustic resistor
Infobox
Is a
Patent jurisdiction
Patent number
07720239
Date of patent
May 18, 2010
Patent application number
11247280
Date Filed
October 12, 2005
Patent primary examiner
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