Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1978-09-29
1981-01-20
Smith, Alfred E.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
328133, 324 83A, 324 83D, H03K 522
Patent
active
042464978
ABSTRACT:
A circuit for measuring the relative phase of two periodic signals. Two analog waveforms are applied to limiting amplifiers which provide digital output signals. The output signals therefrom are applied to digital circuitry which provides an analog voltage representative of the phase difference between the two input signals over a 360 degree range. The digital circuitry compensates for any offset errors which may be introduced by the limiting amplifiers.
REFERENCES:
patent: 3588710 (1971-06-01), Masters
patent: 3599102 (1971-08-01), Mous
patent: 4010424 (1977-03-01), Faulkner
Brown Neil L.
Lawson Kenneth D.
Bronstein Sewall P.
Lee William H.
Neil Brown Instruments Systems, Inc.
O'Hare Thomas P.
Smith Alfred E.
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