Condenser microphone and head thereof
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United States of America Patent
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-
Oct 8, 2013
Grant Date -
Jul 5, 2012
app pub date -
Dec 28, 2011
filing date -
Dec 29, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A head of a condenser microphone includes: a condenser microphone unit; a housing supporting the condenser microphone unit; a first circuit board arranged adjacent to the condenser microphone unit in the housing; a second circuit board arranged remote from the condenser microphone unit and separated from the first circuit board in the housing; and a magnetic sheet arranged between and separated from the first circuit board and the second circuit board in the housing, the first circuit board including a circuit for processing an audio signal from the condenser microphone unit; the second circuit board including a DC-DC converter circuit unit for generating a polarization voltage to be applied to the condenser microphone unit.
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