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Ground detection circuit and method of manufacturing the same

  • US 8,742,943 B2
  • Filed: 02/04/2011
  • Issued: 06/03/2014
  • Est. Priority Date: 02/04/2010
  • Status: Expired due to Fees
First Claim
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1. A system comprising an electronic device, the electronic device comprising:

  • an electric power input configured to receive an electric power signal, the electric power input comprising an input line terminal, an input ground terminal, and an input neutral terminal;

    a first means for protecting at least one of the system or the electronic device;

    a second means for indicating a presence of an electric ground even if the electric ground is at a different electric potential than at least one of the input neutral terminal or an output neutral terminal; and

    an electric power output comprising an output line terminal, an output ground terminal, and the output neutral terminal;

    wherein;

    the electric power input, the first means, the second means, and the electric power output are electrically coupled in series with each other.

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