Remote control radio system

Details Remote control radio system Remote control radio system

1975-06-09

1978-02-07

Griffin, Robert L.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325392, 325395, 343225, 340167A, H04B 100

Patent

active

040728986

ABSTRACT:
A system for individually adjusting a plurality of remotely located servo units according to the position of a manual control for each servo unit by transmitting a carrier wave that is switched on and off for division into repeating sequences with each sequence having a segment for each servo unit and with each segment including a broadcast period and a silent period with the duration of the silent period being related to the position of the segments' manual control for controlling the adjustment of the servo unit by pulse width modulation.

REFERENCES:
patent: 2788476 (1957-04-01), Shaw
patent: 3162857 (1964-12-01), Sanders
patent: 3257651 (1966-06-01), Feisel
patent: 3372393 (1968-03-01), Cataldo
patent: 3449720 (1969-06-01), Marino et al.
patent: 3582783 (1971-06-01), Hendrickson
patent: 3858116 (1974-12-01), Friedl et al.
P. 263 of the textbook by Black on "Modulation Theory", copyright 1953.
Heath kit assembly manual on "5 Channel Digital Proportional Radio Control System", Model GD-19, pp. 102-117, Jun. 1969.

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