Motorcycle sound simulator for a child's toy

Details Motorcycle sound simulator for a child's toy Motorcycle sound simulator for a child's toy

1988-11-28

1990-08-14

Orsino, Joseph A.

Communications: electrical

Audible indication

Ultrasonic pest control

273 86B, G08B 300

Patent

active

049490680

ABSTRACT:
A device for simulating the sound of a motorcycle as a child's toy in which the simulated sound is composed of at least two rectangular waves partially out of phase with each other, mixed and amplified. The frequency (and preferably the volume) of the mixed rectangular waves varies with the position of a rotatable simulated throttle.

REFERENCES:
patent: 3718987 (1973-03-01), Carver
patent: 3735529 (1973-05-01), Roslen
patent: 3845572 (1974-11-01), McCanney
patent: 3872470 (1975-03-01), Hoerz et al.
patent: 4204200 (1980-05-01), Beyl, Jr.
patent: 4247107 (1981-01-01), Smith, III et al.
patent: 4314236 (1982-02-01), Mayer et al.
patent: 4437088 (1984-03-01), Ferguson
patent: 4531751 (1985-07-01), Todokoro
patent: 4701750 (1987-10-01), Wilkinson et al.

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