Phase detection system

Details Phase detection system Phase detection system

1988-07-22

1989-11-28

Tokar, Michael J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Phase comparison

328133, 324 78D, 307516, G01R 2500

Patent

active

048840203

ABSTRACT:
A method for determining the relative phase angle between a known reference and a signal under test includes the steps of providing a reference signal to a multi-tap delay line, where the number of taps is at least equal to the number of phases into which the signal under test is to be resolved, and then clocking a parallel shift register by the signal under test to capture the value of the delay line taps.

REFERENCES:
patent: 3984815 (1976-10-01), Drexler
patent: 4218752 (1980-08-01), Hewes
patent: 4400667 (1983-08-01), Belkin
patent: 4422176 (1983-12-01), Summers
patent: 4717950 (1988-01-01), Wesolowski
patent: 4754216 (1988-06-01), Wong

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