Method of and apparatus for determining an electric wiring state

Details Method of and apparatus for determining an electric wiring state Method of and apparatus for determining an electric wiring state

1993-06-18

1998-06-02

Karlsen, Ernest F.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

324 66, 324521, G01R 3108

Patent

active

057605912

ABSTRACT:
A method of and an apparatus for determining an electric wiring state, having the steps of: feeding at least one pulse voltage signal into one of two lines short-circuited at their two source portions; detecting the pulse voltage signal at two end portions corresponding to the two source portions; and discriminating wiring state between the two source portions and the corresponding two end portions upon a comparison of polarities between the fed pulse voltage signal and the detected signal.

REFERENCES:
patent: 3924179 (1975-12-01), Dozier
patent: 4115731 (1978-09-01), Axtell
patent: 4445085 (1984-04-01), Metcalf
patent: 4852174 (1989-07-01), Bouchard

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