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Title:
SOUND INFORMATION TRANSMISSION DEVICE
Document Type and Number:
Japanese Patent JP2008207622
Kind Code:
A
Abstract:

To provide a sound information transmission device using a vehicle outer wall as a sound generation body.

The sound information transmission device includes an outer wall, a structure in the outer wall, acoustic vibration assemblies 1, 2, and 3, and a sound drive circuit 5. The outer wall acoustically separates a vehicle-interior space from a space outside a vehicle while including locally vibratable parts. The acoustic vibration assemblies transmit the sound to the outside of a vehicle while they are composed of actuators (ACT 1-3) including stators and vibrators, the structure supporting the stator, and the outer wall that forms locally vibratable parts by being made to contact with the vibrator. The sound drive circuit converts the sound information of the vehicle-interior space into an electric signal so as to amplify the electric signal while being connected to each actuator.


Inventors:
TAKEBAYASHI YOICHI
KAWAKAMI FUKUJI
OKAMOTO TOMOAKI
MINAMI MASAKATA
WATANABE MITSUAKI
Application Number:
JP2007044428A
Publication Date:
September 11, 2008
Filing Date:
February 23, 2007
Export Citation:
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Assignee:
UNIV SHIZUOKA NAT UNIV CORP
ALPINE ELECTRONICS INC
International Classes:
B60R11/02; H04R1/00; H04R3/00; H04R3/02
Domestic Patent References:
JPS62143383U1987-09-10
JPH1083188A1998-03-31
JPS5911100A1984-01-20
JP2005247181A2005-09-15
JP2006213283A2006-08-17
JPH04126485U1992-11-18
JPS5848187U1983-03-31
JPH0510103U1993-02-09
Attorney, Agent or Firm:
Toshi Inoguchi



 
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