Vehicle speaker
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United States of America Patent
Stats
-
Apr 10, 2012
Grant Date -
Jul 2, 2009
app pub date -
Dec 23, 2008
filing date -
Dec 25, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vehicle speaker including a panel, a giant magnetostrictive vibrator, and a vibration transmission pad. The panel is used as a diaphragm for producing high-frequency sound and forms part of a vehicle. The giant magnetostrictive vibrator is used as a vibration exciter for the panel and includes a vibration output shaft that vibrates in accordance with a signal for producing high-frequency sound. The vibration transmission pad is fixed to the panel and connected to the vibration output shaft in a manner enabling vibration transmission. The vibration transmission pad vibrates the panel when the vibration output shaft vibrates.
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