Anybody own informations around this U.S. Patent (U.S. government grant number 3,936,699).?
Answers:
Ground imperfection detection circuitry for sensing ground knock currents is disclosed. If ground quirk occur within a queue conductor(s) within a distribution system supplying AC power to a nouns, the circuitry senses this ground failure and provides a signal within response to the sensing of the ground condemn. The circuitry also senses the grounding of a indeterminate conductor, or contained by some systems the shorting of a strip conductor by a parallel conductive route and provides a signal within response to the grounding of the nonpartisan or the parallel conductive shorting boardwalk. The signals provided by the circuitry within response to these sensed conditions may be used to provide a ocular or audible alarm, or may be used to remove power from the nouns.
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