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METHOD AND APPARATUS FOR DETECTING THE EXISTENCE OF A SAFETY GROUND

  • US 20120212235A1
  • Filed: 01/03/2012
  • Published: 08/23/2012
  • Est. Priority Date: 02/18/2011
  • Status: Active Grant
First Claim
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1. An apparatus for assessing the quality of a safety ground, the apparatus comprising:

  • a test device configured to;

    receive an energy signal from a power source for charging a vehicle;

    generate a first output signal in response to the first energy signal;

    measure a characteristic of the first output signal;

    provide a test signal;

    generate a second output signal in response to providing the test signal;

    measure a characteristic of the second output signal; and

    assess the quality of a safety ground in at least one of the power source and the vehicle based on a difference between the characteristic of the first output signal and the characteristic of the second output signal.

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