Acoustic-electric transducer, electronic device, method, and computer program product
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United States of America Patent
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Dec 20, 2011
Grant Date -
Nov 19, 2009
app pub date -
May 15, 2008
filing date -
May 15, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An acoustic-electric transducer for a microphone may include a cavity delimited by a wall and having an opening; a diaphragm having an outer boundary, said diaphragm extending across said opening so that an air gap is provided transversely outwards of the diaphragm between said outer boundary of said diaphragm and said cavity wall; and an actuator configured to adjust a size of said air gap.
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