Energy conserving pulse keying technique for a radio control sys

Details Energy conserving pulse keying technique for a radio control sys Energy conserving pulse keying technique for a radio control sys

1975-07-02

1977-02-08

Swann, III, Glen R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325142, 340167A, H04B 700

Patent

active

040074552

ABSTRACT:
In a radio control system of the digital proportional control type in which a control signal whose period comprises a plurality of control pulses and a timing pulse is transmitted to control servomechanisms in response to the time width of each control pulse, the carrier wave exists only for the time between the trailing end of each control pulse and the leading end of the next control pulse, for the time between the trailing end of the timing pulse and the leading end of the first control pulse, and for the time between the leading end of the timing pulse and the trailing end of the last control pulse, in order to minimize consumption of the supply battery.

REFERENCES:
patent: 2266401 (1941-12-01), Reeves
patent: 3257651 (1966-06-01), Feisel

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