Speaker structure

Details Speaker structure Speaker structure

1991-09-11

1993-03-16

Gellner, Michael L.

Acoustics

Diaphragm and enclosure

With sound-absorbing means

181199, H05K 500

Patent

active

051947013

ABSTRACT:
Disclosed is an improved speaker structure having a rigid unit-support member and a sound-intercepting wall. In order to improve the quality of reproduced sound, the sound-intercepting wall is composed of a layer of sound-absorbent material which is applied at least to outer surface of said unit-support member and a soundproof sheet of an acoustic energy-absorbent material which covers up tightly the layer of sound-absorbent material.

REFERENCES:
patent: 2315896 (1943-04-01), Dumas
patent: 3275100 (1966-09-01), Dunning
patent: 3720285 (1973-03-01), Russell et al.
patent: 3982607 (1976-09-01), Evans
patent: 4284844 (1981-08-01), Belles
patent: 4964482 (1990-10-01), Meyer
patent: 5056618 (1991-10-01), Prodan

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