Decorative speaker cover

Details Decorative speaker cover Decorative speaker cover

1988-08-29

1990-05-22

Fuller, Benjamin R.

Acoustics

Diaphragm and enclosure

Recessed

H05K 500

Patent

active

049269623

ABSTRACT:
A decorative speaker cover and a method for fabricating a speaker cover for use in a ceiling or wall comprising panels, the speaker cover having an appearance which blends with other panels so that it conceals the presence of a speaker system while providing satisfactory transmission of sound from the speaker system. The decorative speaker cover is fabricated by first forming a mold liner suitable for generating a facsimile of a ceiling or wall panel. Next, the mold liner is placed in a molding container and a closed cell expandable foam system is uniformly spread over the mold liner so that the foam rises vertically. The thickness of the resulting cast is reduced to a dimension below which acoustic transmission loss is not discernable by human ears.

REFERENCES:
patent: 1837755 (1931-12-01), Carlisle et al.
patent: 2115098 (1938-04-01), Engholm
patent: 4032725 (1977-06-01), McGee
patent: 4123621 (1978-10-01), Walker
patent: 4275278 (1981-06-01), Sakurai et al.

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