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CHARGING DEVICE AND CHARGING SYSTEM

  • US 20100033140A1
  • Filed: 06/10/2008
  • Published: 02/11/2010
  • Est. Priority Date: 06/15/2007
  • Status: Active Grant
First Claim
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1. A charging device provided between a chargeable electrical device and an electric power source for supplying charging electric power to said electrical device, comprising:

  • an electric power supply path for supplying said charging electric power from said electric power source to said electrical device;

    an interrupting circuit configured to be operable to interrupt said electric power supply path;

    a leakage detecting circuit for detecting electrical leakage occurring in said electric power supply path; and

    an examining circuit for detecting the interruption of said electric power supply path caused by said interrupting circuit and for examining said leakage detecting circuit after confirming the interruption of said electric power supply path caused by said breaking circuit.

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