CONDENSER MICROPHONE
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United States of America Patent
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N/A
Issued Date -
Feb 14, 2008
app pub date -
Aug 10, 2007
filing date -
Aug 10, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A condenser microphone includes: a condenser portion including a vibration film and a plate disposed opposed to each other; an impedance conversion unit that converts the variations of the electrostatic capacity of the condenser portion to electric impedances; and a box member that stores the condenser portion and the impedance conversion unit therein, and includes a heat insulating portion.
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