Test circuit and method for determining the operating status of

Electricity: measuring and testing – Testing potential in specific environment – Voltage probe

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324523, G01R 3102

Patent

active

06154020&

ABSTRACT:
A test circuit and method for determining the operating status of a coaxial cable, the coaxial cable including an internal conductor and an external conductor. The test circuit comprises a measurement terminal, a resistor coupled to the internal conductor adjacent a first end of the coaxial cable and the measurement terminal, a second resistor coupled to the internal conductor adjacent a second end of the coaxial cable and to a reference voltage, and a measurement device coupled to the measurement terminal for producing an output that is reflective of the operating status of the coaxial cable. In one embodiment, the measurement device comprises a voltage comparator logic output circuit. In another embodiment, the measurement device comprises an ohmmeter.

REFERENCES:
patent: 4227146 (1980-10-01), Hodge
patent: 4335348 (1982-06-01), Reed et al.
patent: 4651084 (1987-03-01), Welsh et al.
patent: 4947469 (1990-08-01), Vokey et al.
patent: 5302905 (1994-04-01), Crick
patent: 5488306 (1996-01-01), Bonaccio

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