Diaphragm for speaker, speaker using the diaphragm, electronic device using the speaker, and speaker-mounted device
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United States of America Patent
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Dec 25, 2012
Grant Date -
Jul 7, 2011
app pub date -
Jan 7, 2009
filing date -
Jan 18, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A speaker diaphragm containing resin and carbonized bamboo material with a large degree of flexibility in setting physical properties, moisture-proof reliability and strength secured, superior appearance, and productivity and dimensional stability increased, which allows making characteristics and sound highly accurately, and designing with great originality.
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Cited Art Landscape
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