Arrangement for measuring the line condition of a...

H - Electricity – 04 – M

Patent

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379/57

H04M 3/26 (2006.01) H04M 19/00 (2006.01)

Patent

CA 1109170

ABSTRACT: An arrangement for line supervision of a subscriber's line circuit by means of a measuring resistor, the subscriber's line being supplied via an AC/DC converter coupled to a square-wave signal generator. The measuring resistor is inductively coupled to the subscriber's line and to a conductor in which the square-wave signals supplied by the square- wave signal generator are present. A measuring device is provided which is connected to the measuring resis- tor for measuring the signal across the resistor.

306008

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