Title:
METHOD FOR MANUFACTURING ACOUSTIC DIAPHRAGM
Document Type and Number:
WIPO Patent Application WO/2011/122673
Kind Code:
A1
Abstract:
Disclosed is a method for manufacturing an acoustic diaphragm provided with: a diaphragm section which vibrates upon receiving an electrical signal or a sound wave; and an edge section which is arranged at the outer periphery of the diaphragm section and supports the diaphragm section, wherein an inside joining tube section which is peripherally arranged along the outer edge of the vibrating section of the diaphragm section is provided in a projecting manner at the outer periphery of the diaphragm section, an outside joining tube section which is peripherally arranged at the outer periphery of the inside joining tube section is provided in a projecting manner at the inner periphery of the edge section, and the inner peripheral face of the outside joining tube section and the outer peripheral face of the inside joining tube section are joined.
Inventors:
TAKAHASHI RYOICHI (JP)
Application Number:
PCT/JP2011/058102
Publication Date:
October 06, 2011
Filing Date:
March 30, 2011
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
TAKAHASHI RYOICHI (JP)
TAKAHASHI RYOICHI (JP)
International Classes:
H04R31/00; H04R7/12; H04R7/18; H04R7/22
Foreign References:
| JP2006319681A | 2006-11-24 | |||
| JPH0174698U | 1989-05-19 | |||
| JPH0715793A | 1995-01-17 | |||
| JPH0360300A | 1991-03-15 | |||
| JPH07503108A | 1995-03-30 | |||
| JPH08118421A | 1996-05-14 | |||
| JPS5642498A | 1981-04-20 | |||
| JPH0666196U | 1994-09-16 |
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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Claims: