Frequency and phase control system

Details Frequency and phase control system Frequency and phase control system

1974-05-10

1976-07-06

Kominski, John

Telegraphy

Systems

Printing

328 63, 178 695TV, 178, H04B 102

Patent

active

039684466

ABSTRACT:
The values of a binary frequency error signal are periodically transmitted to the generator to be controlled, through a narrow band channel. A sequence detector circuit records the successive received values of the frequency error signal and as a function of the last two received values, controls a modulated pulse generator circuit in order to form a variable-amplitude correction signal. The amplitude of the correction signal is reduced with each change in the value of the frequency error signal received, whose changes in value reproduce changes of a phase error signal.

REFERENCES:
patent: 3435141 (1969-03-01), Hileman et al.
patent: 3470475 (1969-09-01), Peterson et al.
patent: 3493680 (1970-02-01), Brown
patent: 3646452 (1972-02-01), Horowitz et al.
patent: 3789307 (1974-01-01), Clark

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