Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1974-03-05
1976-02-03
Brody, Alfred L.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307271, 320 1, 328140, H03K 116, H03B 304
Patent
active
039366740
ABSTRACT:
Disclosed herein is circuitry for producing a signal proportional to the rate of recurrence of a periodic input signal applied to the circuitry. When an input pulse is received a timing circuit is energized to charge a capacitor to a predetermined level. The capacitor is then discharged through a resistance circuit having resistance portions which are electronically switched in and out of the circuit so that the discharge, rate of the capacitor defines the desired rate function. Then, upon commencement of a subsequent pulse a sample and hold circuit is actuated to sample the discharge level of the capacitor to provide an accurate indication of the pulse rate.
REFERENCES:
patent: 3740586 (1973-06-01), Banks et al.
Brody Alfred L.
Honor Robert S.
Jewell Walter F.
Sandoz Inc.
Sharkin Gerald D.
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