Diaphragm edge of speaker

Details Diaphragm edge of speaker Diaphragm edge of speaker

2004-02-20

2008-12-09

Le, Huyen D (Department: 2615)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S423000, C381S426000

Reexamination Certificate

active

07463749

ABSTRACT:
Provided is a diaphragm edge of a speaker which is formed by compressing a material including silicon rubber and has an emboss portion on a front surface thereof so that sensitivity of sound is improved. Also, a diaphragm edge of a speaker is formed by compressing a material including silicon rubber and powdered viscose rayon and has an emboss on a front surface thereof.

REFERENCES:
patent: 3980841 (1976-09-01), Okamura et al.
patent: 6039145 (2000-03-01), Ogura et al.
patent: 6680430 (2004-01-01), Tabata et al.
patent: 2003/0134553 (2003-07-01), Sheffer

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