Acoustics – Combined
Patent
1985-07-11
1987-01-27
Fuller, Benjamin R.
Acoustics
Combined
181146, 181153, 181156, 381 86, 381 25, 381159, H05K 500
Patent
active
046388842
ABSTRACT:
A headrest hollow casing has a central vented chamber connecting end chambers in which stereophonic loudspeakers are mounted and such central chamber is loosely filled with batting or other sound-damping material. The casing is supported by mounting rods or mounting bar angularly adjustable relative to the casing.
REFERENCES:
patent: 3512605 (1970-05-01), McCorkle
patent: 3944020 (1976-03-01), Brown
patent: 4042791 (1977-08-01), Wiseman
patent: 4127751 (1978-11-01), Kinoshita
patent: 4549631 (1985-10-01), Bose
Beach Robert W.
Brown Ward
Cole Willis S.
Frabel Claude
Fuller Benjamin R.
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