Current indicating device

Details Current indicating device Current indicating device

1989-05-08

1991-05-14

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With coupling means

324 96, 324133, 340664, G01R 120, G01R 1915

Patent

active

050159445

ABSTRACT:
A unitary, self-contained device for sensing and signalling the flow of current through a conductor includes a toroidal coil of electrically conductive wire having two ends, and an illuminating device electrically connected to the two ends of the wire, responding to a level of current passing through the conductor by producing apparently continuous light.

REFERENCES:
patent: 2452060 (1948-10-01), Klemperer
patent: 2644135 (1953-06-01), Schnoll
patent: 3684955 (1972-08-01), Adams
patent: 4100487 (1978-07-01), Wojtasinski et al.
SC-107B Silectron Cores; Document pub. by The Arnold Engineering Co., Marengo, Ill., pp. 3, 37, 38, no date.

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