Radio-controlled toys

Details Radio-controlled toys Radio-controlled toys

1978-12-15

1982-09-21

Mancene, Gene

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

46262, 34082569, 318 16, A63H 3004, A63H 1736, H04Q 702, G08B 522

Patent

active

043499864

ABSTRACT:
A radio-controlled toy has a transmitter designed to transmit a signal amplified and modulated with a low-frequency square signal by the supply of power effected by closing a switch and a receiver having a receiving circuit portion and a forward-to-reverse switching control. The transmitter may include an astable multivibrator for producing a low-frequency square signal and a crystal oscillation circuit. The forward-to-reverse switching control is designed such that when no signal is received, a d.c. motor turns forward and when a signal is received, the d.c. motor turns in reverse.

REFERENCES:
patent: 3052651 (1974-12-01), Dufendach
patent: 3290573 (1966-12-01), Kamens
patent: 3408548 (1968-10-01), Coia
patent: 3504258 (1970-03-01), Stern et al.
patent: 3548271 (1970-12-01), Kampfer
patent: 3782031 (1974-01-01), Byron
patent: 3890550 (1975-06-01), Izumi et al.
patent: 4080602 (1978-03-01), Hattori et al.
patent: 4124811 (1978-11-01), Anderson
patent: 4207502 (1980-06-01), Omura

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