Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Reexamination Certificate
2005-04-12
2005-04-12
Le, N. (Department: 2858)
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
C324S541000
Reexamination Certificate
active
06879164
ABSTRACT:
A method and device for insulation monitoring of an electrically insulated DC network by measuring of the insulation resistance using galvanic isolation between a measuring resistor which is connected to ground, and a measuring pulse generator, and a measurement-data acquisition device, which eliminates some of the effect that noise in the DC network would otherwise have on the measurement.
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U.S. Appl. No. 10/375,927, filed Feb. 26, 2003, inventor Beutelschiess et al.
Kollenda Gerald
Urban Hubert
Ballard Power Systems AG
Le N.
Nguyen Hoai-An D.
Seed IP Law Group PLLC
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