PIEZOELECTRIC VIBRATION GENERATOR AND VIBRATORY SOUND TRANSMITTER

Title:

PIEZOELECTRIC VIBRATION GENERATOR AND VIBRATORY SOUND TRANSMITTER

Document Type and Number:

WIPO Patent Application WO/2005/006809

Kind Code:

A1

Abstract:

A piezoelectric vibration generator capable of providing a sufficiently large vibration by supporting a piezoelectric vibrator at one point near the center thereof and freely vibrating the end part thereof, comprising a piezoelectric vibrator (12) to which input signals are applied, a diaphragm (11) to which vibration from the piezoelectric vibrator is transmitted, and a connecting means (13) having one end fixed to near the center of the piezoelectric vibrator (12) and the other end fixedly connected to the diaphragm (11), wherein the connecting means (13) is supported by a vibration damping film (21) and generally transmits the vibration of the piezoelectric vibrator to the diaphragm through the connecting means.

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Inventors:

KAKEGAWA SEIMEI (JP)

Application Number:

PCT/JP2003/008723

Publication Date:

January 20, 2005

Filing Date:

July 09, 2003

Export Citation:

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Assignee:

SHIMADA MFG CO LTD (JP)
KAKEGAWA SEIMEI (JP)

International Classes:

H04R17/00; (IPC1-7): H04R17/00; H04R1/00; H04R25/00

Foreign References:

JPH07213997A	1995-08-15
JP2001275189A	2001-10-05
JPH02137199U	1990-11-15
JPS61150499A	1986-07-09
JPS5574290A	1980-06-04

Attorney, Agent or Firm:

Okada, Kei (Hosoya-cho Ota-shi, Gunma, JP)

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