Hand-held sound effects device

Details Hand-held sound effects device Hand-held sound effects device

1980-01-25

1982-06-29

Pitts, Harold I.

Communications: electrical

Audible indication

Ultrasonic pest control

340384R, G08B 310

Patent

active

043374603

ABSTRACT:
A hand-held electronic sound generator, comprising a one or more oscillators and a noise generator, each acting singly, mixed or gated in combination to produce a variety of interesting sounds. The device may be operated continuously or as a momemtary pulse with decaying volume. Power is used only when sounds are being generated to conserve battery power. The frequency of the oscillators or noise generator may be varied to change the characteristics of each individual sound combination.

REFERENCES:
patent: 3594786 (1971-07-01), Brunner-Schwer
patent: 3707716 (1972-12-01), Goralnick
patent: 3718987 (1973-03-01), Carvier
patent: 3795873 (1974-03-01), Fein
patent: 3971016 (1976-07-01), Pui
patent: 4023078 (1977-05-01), Olliges
patent: 4086589 (1978-04-01), Cieslak
patent: 4101885 (1978-07-01), Blum
patent: 4135146 (1979-01-01), Krupp
patent: 4149257 (1979-04-01), Nakagiri

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