Loudspeaker of plane diaphragm type

Details Loudspeaker of plane diaphragm type Loudspeaker of plane diaphragm type

1985-06-03

1986-11-04

Fuller, Benjamin R.

Acoustics

Diaphragm

Critically defined material or coating

H04R 712

Patent

active

046206060

ABSTRACT:
A loudspeaker of plane diaphragm type has a skin-like material with smaller diameter than that of the plane diaphragm pasted thereon so that the skin-like material will not stick out of the diaphragm surface and the edge piece surrounding it can securely support the plane diaphragm, preventing unpleasant noises and split vibrations.

REFERENCES:
patent: 1480785 (1924-01-01), Semple, Jr.
patent: 3285364 (1966-11-01), Cohen
patent: 4100992 (1978-07-01), Rehde et al.
patent: 4275278 (1981-06-01), Sakurai et al.
patent: 4478309 (1984-10-01), Kawamura et al.

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