Sound reproduction system and device

Details Sound reproduction system and device Sound reproduction system and device

1976-04-05

1977-12-20

Cooper, William C.

Surgery

Truss

Pad

128 33, H04R 102

Patent

active

040643760

ABSTRACT:
A sound frequency reproduction system and apparatus has a chair for a human. A transducer is vibrated by a sound signal of appropriate frequency. The vibrating shaft of the transducer is directly fitted to the framework of the chair. The sound signal is provided to an acoustic device, including a speaker, located near the chair.

REFERENCES:
patent: 3366749 (1968-01-01), Ries
patent: 3556088 (1971-01-01), Leonardini
patent: 3880152 (1975-04-01), Nohmura

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