Headrest-mounted acoustic device

Details Headrest-mounted acoustic device Headrest-mounted acoustic device

1985-11-25

1987-09-29

Fuller, Benjamin R.

Acoustics

Combined

181145, 181155, H05K 500

Patent

active

046963707

ABSTRACT:
A headrest-mounted acoustic device including at least a speaker mounted on the right or left side of a headrest provided on a seat, a cover mounted in the sound radiating direction of the speaker, and a sound radiating portion communicating with a chamber provided behind the cover and having an area much smaller than that which is defined by the diameter of the speaker, so that sounds from the speaker are radiated from the sound radiating part through the chamber.

REFERENCES:
patent: 2002390 (1935-05-01), Crosley, Jr. et al.
patent: 2908766 (1959-10-01), Taylor
patent: 3385393 (1968-05-01), Gold
patent: 3512605 (1970-05-01), McCorkle
patent: 3944020 (1976-03-01), Brown
patent: 3987258 (1976-10-01), Tsutsui et al.
patent: 4042791 (1977-08-01), Wiseman

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