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.
Type:
Grant
Filed:
December 23, 2008
Date of Patent:
April 10, 2012
Assignees:
Kabushiki Kaisha Toyota Jidoshokki, Frey Co., Ltd., Foster Electric Company, Limited