Electroacoustic transducer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 12, 2004
Grant Date -
Oct 16, 2003
app pub date -
Dec 3, 2002
filing date -
Apr 11, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electroacoustic transducer comprises a carrier portion, a diaphragm supported by the carrier portion, an electrode portion opposed to the diaphragm at a predetermined interval, and a housing accommodating the diaphragm and the electrode portion, wherein the carrier portion has a saucer-like shape, at the bottom surface of which a plurality of upstanding posts are provided, and wherein the upper surface of the periphery of the carrier portion and the upper end surfaces of the posts are in the same plane, the diaphragm is bonded to the surface of the periphery of the carrier portion and the end surfaces of the posts, and the electrode portion is fixed to the end surfaces of the posts which are covered by the diaphragm with spacers interposed therebetween.
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