Capacitively coupled electrical ground detection circuit

An electrical ground detection circuit 10 having a first capacitor 18 and a second capacitor 20 which selectively receives a certain amount of voltage. The certain amount of voltage decreases by a certain amount during a period of time, as the capacitor 18 charges. The circuit 10 further includes a...

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Bibliographic Details
Main Authors BORNINSKI JAMES, TIPPY DAVID JAMES, MOYLES TOM P, ZALEWSKI KENNETH JAMES
Format Patent
LanguageEnglish
Published 29.10.2002
Edition7
Subjects
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:An electrical ground detection circuit 10 having a first capacitor 18 and a second capacitor 20 which selectively receives a certain amount of voltage. The certain amount of voltage decreases by a certain amount during a period of time, as the capacitor 18 charges. The circuit 10 further includes a controller 16 which measures this period of time and which utilizes this measured period of time to determine whether an electrical assembly 12 is coupled to an electrically grounded member 14.
Bibliography:Application Number: US20000495241