Diaphragm and speaker
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United States of America Patent
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Dec 2, 2014
Issued Date -
N/A
app pub date -
Mar 5, 2008
filing date -
Aug 29, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention provides a dome diaphragm having high strength wholly and uniformly while maintaining a small thickness of a dome portion. A diaphragm 1 according to the present invention is a dome diaphragm including a dome portion 2. The dome portion 2 is divided into a plurality of small portions 4, and a ridge portion 7 is formed at a boundary of the small portions 4. In accordance with this configuration, the ridge portions 7 exist over the entire dome portion 2, and the ridge portions 7 can serve as frames for reinforcing the dome portion 2.
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