Power circuit locater

Details Power circuit locater Power circuit locater

1988-08-16

1990-03-06

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

324 66, G01R 3102, G01R 3108

Patent

active

049069381

ABSTRACT:
A circuit locater includes a passive signal device adapted to be plugged into a power outlet to draw a large amplitude current pulse of very short duration (identification signal) from the power source supplying the outlet. A receiver has a pickup coil that senses the magnetic field generated by the identification signal current. A sensitivity control reduces the sensitivity of the pickup coil until an output signal is produced only when the receiving coil is adjacent to the circuit breaker of the electrical control panel that is supplying power to the passive signal device.

REFERENCES:
patent: 3924179 (1975-12-01), Dozier
patent: 4121152 (1978-12-01), Hale
patent: 4129825 (1978-12-01), Brinegar
patent: 4556839 (1985-12-01), George
patent: 4734638 (1988-03-01), Weber
patent: 4801868 (1989-01-01), Brooks

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