Voltage difference measuring equipment

Details Voltage difference measuring equipment Voltage difference measuring equipment

1987-04-21

1989-06-27

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Demand, excess, maximum or minimum

324102, 324121R, G01R 1916, G01R 1320

Patent

active

048433071

ABSTRACT:
A peak to peak or two-point voltage difference measuring equipment according to the present invention comprises: a control circuit; a D/A converter for converting the digital data given from the control circuit into the reference analog voltage; a comparator for comparing an input voltage signal with a reference analog voltage; means for gating the output of the comparator for a predetermined time segment interval; and means for holding the output of the gating means and applying to the control circuit.

REFERENCES:
patent: 2591738 (1952-04-01), Spencer
patent: 2880392 (1959-03-01), Paulsen
patent: 3063018 (1962-11-01), Gordon et al.
patent: 3188455 (1965-06-01), Quick, Sr.
patent: 4271391 (1981-06-01), Kmetz
patent: 4476432 (1984-10-01), Olson
patent: 4510444 (1985-04-01), Haussel et al.

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