Title:
DIAPHRAGM, DIAPHRAGM WITH EXCITER, AND VEHICULAR DIAPHRAGM
Document Type and Number:
WIPO Patent Application WO/2023/008423
Kind Code:
A1
Abstract:
The present invention relates to a diaphragm having: a plate-shaped body having a pair of main surfaces facing each other; and a connection part connected to one main surface of the plate-shaped body, wherein the connection part has a function for transmitting the vibration of an exciter to the plate-shaped body from the side opposite to where the plate-shaped body is positioned, the connection part includes a spacer and an adhesion part having a lower hardness than the spacer, and the thickness of the connection part is defined by the thickness of the spacer.
Inventors:
SAKURAI KENTO (JP)
AKIYAMA JUN (JP)
AKIYAMA JUN (JP)
Application Number:
PCT/JP2022/028770
Publication Date:
February 02, 2023
Filing Date:
July 26, 2022
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
H04R7/04; B60R11/02; H04R1/02
Foreign References:
| JPS57119600A | 1982-07-26 | |||
| JP2002505813A | 2002-02-19 | |||
| JPH04126485U | 1992-11-18 | |||
| JP2007166008A | 2007-06-28 | |||
| EP2961198A2 | 2015-12-30 | |||
| JP2005117201A | 2005-04-28 | |||
| KR20210038061A | 2021-04-07 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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