Title:
面駆動型電気音響変換器
Document Type and Number:
Japanese Patent JP4500426
Kind Code:
B2
Abstract:
A plane driving type electroacoustic transducer having a film of diaphragm with a conduction pattern formed thereon and a magnetic circuit, wherein a vibration damping layer is provided on the diaphragm.
Inventors:
Akira Hara
Kunio Kondo
Kunio Kondo
Application Number:
JP2000335826A
Publication Date:
July 14, 2010
Filing Date:
November 02, 2000
Export Citation:
Assignee:
Foster Electric Co., Ltd.
International Classes:
H04R9/00; H04R7/02; H04R7/04; H04R9/04
Domestic Patent References:
| JP49128724A | ||||
| JP61267497A | ||||
| JP54043015A | ||||
| JP2000115884A | ||||
| JP62109593U | ||||
| JP57119988U | ||||
| JP52063423U | ||||
| JP55027721A | ||||
| JP2000013880A |
Attorney, Agent or Firm:
Fujiharu Ijima
Nobushige Samejima
Nobushige Samejima