Title:
可動磁石型スピーカおよびその製造方法
Document Type and Number:
Japanese Patent JP4875733
Kind Code:
B2
Inventors:
Susumu Kimura
Application Number:
JP2009174539A
Publication Date:
February 15, 2012
Filing Date:
July 27, 2009
Export Citation:
Assignee:
Susumu Kimura
International Classes:
H04R11/02; H04R31/00
Domestic Patent References:
| JP2002531037A | ||||
| JP2002171597A | ||||
| JP2009118075A | ||||
| JP11024668A |
Other References:
山本武夫,スピーカ・システム(上),日本,株式会社ラジオ技術社,1977年 7月15日,初版,p161-162
Attorney, Agent or Firm:
Masago Onishi
Ishiwatari Eibo
Ishiwatari Eibo