Method and apparatus for the location and indication of...

Details Method and apparatus for the location and indication of... Method and apparatus for the location and indication of...

2003-07-23

2008-10-28

Nguyen, Vincent Q. (Department: 2831)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

C324S529000

Reexamination Certificate

active

07443172

ABSTRACT:
A method and apparatus for the location and indication of cable splices and cable faults is disclosed. An audio frequency generator can be coupled to a cable under test and the magnetic field generated by the cable can be monitored by a receiver. A receiver includes at least two antenna coils situated to detect orthogonal components of the magnetic field. From test values measured at various test points along the cable route, a degree of inhomogeneity of the magnetic field along the cable route can be determined and displayed. Location of a cable fault and cable splice is then apparent in the display.

REFERENCES:
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patent: 5574376 (1996-11-01), Topp et al.
patent: 5714885 (1998-02-01), Lulham
patent: 5828219 (1998-10-01), Hanlon
patent: 7075309 (2006-07-01), Smith
patent: 2003/0010494 (2003-01-01), Bose et al.
patent: 19824157 (2000-03-01), None

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