Patent · US Active

Vehicle speaker

US8155344B2 · kind B2 · utility

5Cited by

1References

7Claims

0Family size

Assignees

Inventors

Yasushi Iimori · Ebeye, US
Yoshiharu Kumura · Kariya, JP
Motoaki Suzukawa · Tokyo, JP
Yasuo Higashidate · Tokyo, JP
Hirofumi Onohara · Tokyo, JP

Key dates

Filing date	Dec 23, 2008
Grant date	Apr 10, 2012
Priority date	—
Expiry date	Oct 9, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60R11/0217
WIPO fieldTransport
WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.