Condenser microphone
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 11, 2012
Grant Date -
May 20, 2010
app pub date -
Sep 26, 2009
filing date -
Nov 14, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A condenser microphone is disclosed. The condenser microphone includes a substrate having a cavity, a supporting member connected to the substrate, and a diaphragm isolated to the supporting member. The supporting member has a periphery portion and a plurality of stationary electrodes extending from the periphery portion to a center of the supporting member. The diaphragm has a vibrating member and a sustaining member connected to the vibrating member and the vibrating member defines a plurality of movable electrodes protruding from a periphery of the vibrating member. Each of the movable electrodes is located between two adjacent stationary electrodes and each of the stationary electrodes is located between two adjacent two movable electrodes.
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