Loud speaker with stable damping

Details Loud speaker with stable damping Loud speaker with stable damping

1975-10-30

1977-06-21

Tomsky, Stephen J.

Acoustics

Diaphragm

With damping means

179180, 181158, 181160, G10K 1300, H04R 700, H04R 128

Patent

active

040305643

ABSTRACT:
A loud speaker having air communicating holes within the rear portion of the frame and facing the diaphragm is provided with regularly woven wire gauze formed of warp and weft wire threads of different diameter, which gauze covers the communicating holes to obtain a stable vibration damping effect.

REFERENCES:
patent: 2249161 (1941-07-01), Mott
patent: 2540498 (1951-02-01), Tallman
patent: 2761912 (1956-09-01), Touger et al.
patent: 2763730 (1956-09-01), Paull et al.
patent: 3261927 (1966-07-01), Paul et al.
patent: 3418437 (1968-12-01), Hoffmann

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