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IN-VEHICLE POWER SOURCE DEVICE

  • US 20130175856A1
  • Filed: 11/21/2012
  • Published: 07/11/2013
  • Est. Priority Date: 01/11/2012
  • Status: Active Grant
First Claim
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1. An in-vehicle power source device comprising:

  • a first power source and a second power source for providing power to at least one electric load;

    a first opening-closing switch provided along a feed line between the electric load and the first power source;

    a second opening-closing switch provided along a feed line between the electric load and the second power source;

    a bypass switch for bypassing the first opening-closing switch; and

    a fuse to melt down when an overcurrent flows to the electric load;

    the in-vehicle power source device further comprisinga current detector for detecting a current flowing the electric load, whereinthe fuse is deployed outside of a case for storing the second power source,the fuse and the bypass switch are connected in series, andwhen a current detected by the current detector is equal to or greater than an a predetermined value, the first opening-closing switch and the second opening-closing switch are turned off and the bypass switch is turned on.

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