Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1987-07-22
1989-02-28
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 62, 324445, G01R 2702
Patent
active
048089117
ABSTRACT:
An apparatus for measuring the resistance in a closed loop electrical circuit without breaking or otherwise disturbing the circuit includes a detachable connector for joining the measuring apparatus to a closed circuit. The connector is linked to a circuit that induces, through the detachable connector, an electrical current in the circuit whose resistance is to be measured and then detects and displays the resistance of the tested circuit.
REFERENCES:
patent: 3867688 (1975-02-01), Koski
patent: 4559496 (1985-12-01), Harnden, Jr. et al.
Eisenzopf Reinhard J.
Hays R. A.
Hughes Aircraft Company
Karambelas A. W.
Miele Anthony L.
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