Speaker enclosure

Acoustics – Diaphragm and enclosure – Reflector baffle

Patent

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Details

181148, G10K 1300, H04R 128

Patent

active

039386171

ABSTRACT:
An acoustic speaker enclosure of sufficiently thin design that it may be suspended from a wall and then concealed by a framed picture being hung thereover. Forwardly directed sound from the speaker radiates transversely through 360.degree. through a first passage defined in the enclosure. Rearwardly directed sound from the speaker is transmitted to the resonator frame through a second free transverse passage as well as a baffled third passage. A rearwardly disposed resonance board of the speaker enclosure is in abutting contact with the wall, and rearwardly sound from the enclosure is transmitted through this resonance board to the wall to resonate the latter to radiate sound to the room in which the speaker enclosure is disposed. Due to the multiplicity of sources of sound from the acoustic disclosure, a hearer in a room is not cognisant of the location thereof, particularly when the enclosure is concealed by a framed picture. The speaker enclosure if desired may be modified to provide a desk or table supported unit.

REFERENCES:
patent: 2891629 (1959-06-01), Mercurius
patent: 2917127 (1959-12-01), Elliott
patent: 3143182 (1964-08-01), Sears et al.
patent: 3239028 (1966-03-01), Murray
patent: 3371742 (1968-03-01), Norton et al.

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