Radio control apparatus with voice transmission capability

Details Radio control apparatus with voice transmission capability Radio control apparatus with voice transmission capability

1980-01-25

1982-11-23

Groody, James J.

Communications: electrical

Continuously variable indicating

With meter reading

34082572, 34082576, 340696, 340539, 340636, 455 61, 455228, 180167, 46254, 318 16, 318581, G08C 1900, H04Q 702, A63H 3004

Patent

active

043608086

ABSTRACT:
A radio controller for radio control of model vehicles and the like. The controller can be placed in a control mode wherein vehicle functions such as motor speed, direction, horn and lights are controlled by control signals. In addition, the controller can be placed in a voice transmission mode wherein an audio signal is transmitted to the vehicle and broadcast from a speaker mounted on the vehicle. The receiver of the radio controller is switched from the control mode to the voice transmission mode by way of the control signals. When the receiver is placed in the voice transmission mode, the control signals are ignored with switching to the control mode being accomplished by receiver circuitry which detects a momentary absence of the transmitted carrier signal.

REFERENCES:
patent: 2527561 (1950-10-01), Mayle
patent: 3482046 (1969-12-01), Hughson et al.
patent: 3522481 (1970-08-01), Terzic
patent: 3668526 (1972-06-01), Raskin
patent: 3806939 (1974-04-01), Palmieri
patent: 4006447 (1977-02-01), Narbaits-Jaureguy
patent: 4019142 (1977-04-01), Wycoff
patent: 4080602 (1978-03-01), Hattori et al.

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