Speaker diaphragm

Details Speaker diaphragm Speaker diaphragm

2005-08-16

2005-08-16

Lockett, Kimberly (Department: 2837)

Acoustics

Diaphragm

Critically defined material or coating

C181S167000

Reexamination Certificate

active

06929092

ABSTRACT:
A speaker diaphragm that has a high heat-radiation efficiency. The speaker diaphragm includes a diaphragm main body made from a resin, and a metallic plate adhered to a major acoustic surface of the diaphragm main body adjacent a voice coil bobbin. The voice coil bobbin is attached to the diaphragm man body.

REFERENCES:
patent: 4351411 (1982-09-01), Inoue
patent: 4461930 (1984-07-01), Melillo et al.
patent: 4713277 (1987-12-01), Akiyama et al.
patent: 5587562 (1996-12-01), Sato
patent: 5903658 (1999-05-01), Okazaki et al.
patent: 5933508 (1999-08-01), Fuke et al.

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