Pulse code modulation radio control system

Details Pulse code modulation radio control system Pulse code modulation radio control system

1975-01-03

1977-07-26

Schaefer, Robert K.

Electricity: motive power systems

Positional servo systems

Time-sharing or multiplexing systems

318 16, 343225, G05B 1132

Patent

active

040385906

ABSTRACT:
A pulse code modulation communication system adapted in a preferred embodiment to the remote control of a flying model aircraft. The positions of the various control sticks are represented by a digital code which is multiplexed and then transmitted via pulse code modulation of a unique subcarrier signal. The unique subcarrier signal is locked onto by the receiver which, through correlation detection, detects and demultiplexes the digital code for use by the servo motors to position the flight control surfaces of the aircraft.

REFERENCES:
patent: 3110850 (1963-11-01), Young
patent: 3426153 (1969-02-01), Kitsopoulos
patent: 3587100 (1971-06-01), Doremus
patent: 3619510 (1971-11-01), Zegers
patent: 3660606 (1972-05-01), DeWitt
patent: 3742145 (1973-06-01), Clark et al.
patent: 3793636 (1974-02-01), Clark et al.
patent: 3806939 (1974-04-01), Palmiere

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