Light-beam-projecting apparatus

Details Light-beam-projecting apparatus Light-beam-projecting apparatus

1980-04-16

1982-05-04

Shepperd, John W.

Optics: image projectors

Image moves on screen

Reflector between lamp and screen

353 1, 353 98, 84464R, A63J 1700

Patent

active

043279759

ABSTRACT:
A light-beam projecting apparatus usable in connection with sound-producing equipment for creating, on a remote surface, infinitely varying light-impingement patterns which are directly related to the instantaneous sound. The device includes a light beam source, a reflector, a sound-signal-actuated movable driver and a plurality of interconnectors connecting the driver and the reflector. Each interconnector, having a different resonant frequency, reacts to a sound signal by producing vibrations which are different from the vibrations of the other interconnectors, causing the reflector to oscillate in a manner sympathetic to the instantaneous sound signal.

REFERENCES:
patent: 3318187 (1967-05-01), Prohaska
patent: 3572919 (1971-03-01), Hayes
patent: 3590681 (1971-07-01), Cross
patent: 4010361 (1977-03-01), Latterman et al.
patent: 4205585 (1980-06-01), Hornick
patent: 4227785 (1980-10-01), Herbert

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