Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Reexamination Certificate
2006-03-28
2006-03-28
Deb, Anjan (Department: 2858)
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
C324S539000, C324S541000, C324S544000, C324S551000
Reexamination Certificate
active
07019531
ABSTRACT:
A procedure and a system for the evaluation of the quality and/or efficiency of a cable or a cable segment by a current measurement is disclosed. This is achieved by supplying between the core and the screen of a cable a voltage with alternating polarity and rectangular shape. The periodic duration' of this voltage is selected in a way so as to permit the current measurement of the charge current shortly before a polarity reversal, providing a current value equal to the leakage current.
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Jung Gerhard
Oertel Eberhard
Deb Anjan
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Hagenuk KMT KabelMesstechnik GmbH
Teresinski John
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