Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Reexamination Certificate
2007-11-16
2009-12-01
Nguyen, Hoai-an D (Department: 2831)
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
C324S537000, C379S002000
Reexamination Certificate
active
07626399
ABSTRACT:
The present invention relates to a broken lead testing device for determining whether a lead in a balanced lead pair of a datacom circuit is broken or faulty. Terminated leads are subjected to a phase difference and/or a voltage difference test, while unterminated leads are subjected to a current injection test.
REFERENCES:
patent: 4871971 (1989-10-01), Jeerings et al.
patent: 5677633 (1997-10-01), Moser et al.
patent: 6249127 (2001-06-01), Fluhrer
patent: 2008/0253556 (2008-10-01), Cobb et al.
Crockett Jeffrey David
Hengen Stephen
Parnell Paul Thomas
Acterna LLC
Nguyen Hoai-an D
Pequignot Matthew A.
Pequignot & Myers LLC
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