Acoustics – Diaphragm and enclosure – Rounded enclosure
Patent
1987-05-29
1989-09-12
Fuller, B. R.
Acoustics
Diaphragm and enclosure
Rounded enclosure
181148, 181199, 248632, 381 90, 381205, H05K 500
Patent
active
048651532
ABSTRACT:
A speaker system provided with a globular glass enclosure to which a speaker unit is attached, wherein the enclosure is mounted elastically on a support member which consists of an elastic material and has an opening to accommodate a bottom part of the enclosure therein. The direction of the speaker unit can be freely changed under a stable posture and the occurrence of box noise due to the insufficient contact between the enclosure and the support member is prevented. In the speaker system, the enclosure may be fixed firmly at the position of its notch opening to a baffle board made of a highly rigid and/or highly oscillation-damping material for fixing the speaker unit to the baffle board, and thus the occurrence of box noise coming from the transmission of the vibration of the speaker unit to the enclosure and also coming from the deformation of the opening of the enclosure to receive the speaker unit can be prevented. By providing a light source outside of the enclosure to radiate ultraviolet rays toward the direction of the enclosure, the decorative effect of the speaker system can skillfully be enhanced due to the luminescence of the enclosure.
REFERENCES:
patent: 2881850 (1959-04-01), Bonn
patent: 2935279 (1960-05-01), La Porte et al.
patent: 3104730 (1963-09-01), Brown
patent: 3170538 (1965-02-01), Detrick
patent: 3747880 (1973-07-01), Bock
patent: 3976838 (1976-08-01), Stallings, Jr.
patent: 4190738 (1980-02-01), Samuels
patent: 4369949 (1983-01-01), Zopf
patent: 4574906 (1986-03-01), White et al.
Fuller B. R.
Sasaki Glass Co., Ltd.
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