Headrest speaker device

Details Headrest speaker device Headrest speaker device

1982-05-18

1984-12-25

Schreyer, Stafford D.

Electrical audio signal processing systems and devices

Vehicle

381 24, 179146H, 181156, H04R 102, H04R 502

Patent

active

044908423

ABSTRACT:
Headrest speaker device, in which the upper ends of pipes supporting a headrest on the upper part of a seat are in communication with speaker cabinets disposed at each side of the headrest and the lower ends of the pipes open toward the outside at the sides of the seat.

REFERENCES:
patent: 3303279 (1967-02-01), Tinklepaugh
patent: 4042791 (1977-08-01), Wiseman
patent: 4210778 (1980-07-01), Sakurai
patent: 4210784 (1980-07-01), Phillips
patent: 4310307 (1982-01-01), Bellisario
"Loudspeaker Design", Wireless World, E. J. Jordan, Feb. 1956, p. 75.

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