Acoustic control circuit for frequency control of the flashing o

Details Acoustic control circuit for frequency control of the flashing o Acoustic control circuit for frequency control of the flashing o

1989-11-13

1992-06-09

Isen, Forester W.

Electrical audio signal processing systems and devices

Monitoring of sound

381110, 84464R, H04R 2900

Patent

active

051214350

ABSTRACT:
An acoustic control circuit for sequencing the flashing of a Christmas light set according to the rhythm and volume of a sound, and more particularly a flash control circuit which makes use of externally produced acoustic intensity to effect the sequence of flashing in accordance with a predetermined sequence. A user can enjoy special flashing effect produced by the light set when such a light set is connected placed near and responsive to a sound generating unit like a stereo or other device.

REFERENCES:
patent: 4056805 (1977-11-01), Brady
patent: 4256009 (1981-03-01), Verduin et al.
Lancaster, TTL Cookbook, 1980, pp. 171-175.
National Semiconductor, AN72(15-17), Sep. 1972.

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