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Auto charger for system including a high voltage supply and a low voltage supply

  • US 6,455,951 B1
  • Filed: 08/16/2000
  • Issued: 09/24/2002
  • Est. Priority Date: 08/16/2000
  • Status: Expired due to Fees
First Claim
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1. A power supply system comprising:

  • a battery for a high voltage source;

    a battery for a low voltage source;

    a first load; and

    a pulse width modulation control unit, wherein a positive terminal of the battery for the high voltage source is connected to a positive terminal of the battery for the low voltage source through the pulse width modulation control unit and the first load.

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