Title:
MAGNETIC CIRCUIT FOR SPEAKER
Document Type and Number:
Japanese Patent JP3911420
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a repulsion magnetic circuit wherein the amplitude of a diaphragm can be increased.
SOLUTION: In the repulsion magnetic circuit where magnets 3, 3 and plates 5a, 5a are sequentially stacked and placed on and under a center plate 4, the surrounding of the plates 5a, 5a is bent so as to be parted from the magnets 3, 3.
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Inventors:
Soichi Ota
Application Number:
JP2002022860A
Publication Date:
May 09, 2007
Filing Date:
January 31, 2002
Export Citation:
Assignee:
Kenwood Corporation
International Classes:
H04R9/02; (IPC1-7): H04R9/02
Domestic Patent References:
| JP2000354296A | ||||
| JP2000175293A | ||||
| JP6054397U | ||||
| JP10023591A | ||||
| JP6233379A | ||||
| JP11122695A |
Attorney, Agent or Firm:
Masao Shibata