Location of contact faults on electrically conductive cables

Details Location of contact faults on electrically conductive cables Location of contact faults on electrically conductive cables

G - Physics

01

R

379/2, 324/45

G01R 31/08 (2006.01) H04M 3/28 (2006.01)

Patent

CA 1129001

ABSTRACT The invention relates to the location of contact faults on electrically conductive cables such as telephone pairs. Contact fault location apparatus has a pair of resistors, a constant current source, and means such as a differential amplifier and meter for sensing the current flowing in the resistors. A pair of lines to be tested is looped at one end, the apparatus is connected across the other end and the current flowing in the resistors is measured. The ratio of the current is indicative of the distance to the fault.

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