ELECTROMAGNETIC TRANSDUCER
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United States of America Patent
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N/A
Issued Date -
Jun 21, 2012
app pub date -
Dec 20, 2011
filing date -
Dec 21, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An electromagnetic transducer includes a frame, a diaphragm including a top plate and a periphery portion surrounding the top portion and attached to the frame, a magnetic circuit part receiving in the frame with a magnetic gap, a voice coil partially inserted into the magnetic gap for driving the diaphragm, and an elastic member including a first arm attached to the diaphragm and disposed in a plane and a pair of second arms extending outwards from the first arm and attached to the frame. The second arm further defines a stress-releasing portion protruding outwards from the plane where the first arm is disposed in.
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