Frequency modulation transfer system and method

Details Frequency modulation transfer system and method Frequency modulation transfer system and method

1975-01-27

1976-03-09

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328 72, 328129, 307271, 307241, H03K 1728

Patent

active

039434524

ABSTRACT:
A system for transferring operation of a mechanism from one control signal to another control signal utilizing frequency modulation is disclosed. A rate multiplier generates pulses at an increasing frequency during a first portion of the transfer period up to a predetermined maximum frequency; and controlled to generate pulses at a decreasing frequency during the final portion of the transfer period. During the first portion of the transfer period, the peak and base of each pulse, corresponds to the value of the one and the other signal, respectively. During the final portion of the transfer period, the peak and base of the pulses are reversed to correspond to the opposite control signals. A filter averages the peaks and bases of the applied pulses during both portions of the transfer period to change gradually the average signal from the one control signal to the other.

REFERENCES:
patent: 3662276 (1972-05-01), Hyer
patent: 3740588 (1973-06-01), Stratton
patent: 3772602 (1973-11-01), Kobayashi
patent: 3825841 (1974-07-01), Rappaport

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