Decorative light flashing apparatus and acousto-electric transdu

Details Decorative light flashing apparatus and acousto-electric transdu Decorative light flashing apparatus and acousto-electric transdu

1979-11-26

1982-08-31

Franklin, Lawrence R.

Music

Accessories

Producing color or light effects

179180, 181166, A63J 1700

Patent

active

043466400

ABSTRACT:
A decorative light flashing apparatus employs a mass-damped dynamic microphone which preferentially responds to impulse-type sounds to trigger a timing circuit. The timing circuit produces pulses in response to the impulse-type sounds which drive a commutating circuit for sequentially illuminating a plurality of light sources in time to the impulse-type sounds.

REFERENCES:
patent: 1690279 (1928-11-01), Craft
patent: 2256270 (1941-09-01), Swift
patent: 4256009 (1981-03-01), Verduin et al.

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