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Power adaptor with backup battery charging function for portable computer

  • US 20110080136A1
  • Filed: 10/01/2009
  • Published: 04/07/2011
  • Est. Priority Date: 10/01/2009
  • Status: Abandoned Application
First Claim
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1. A power adaptor for a portable computer, comprising:

  • a housing;

    a first cord extending from said housing and having a connector for connection with an external power source;

    a second cord extending from said housing and having a connector for connection with a portable computer;

    a power conversion circuit located in said housing and having one end connected to said first cord and the other end connected to the second cord, wherein said power conversion circuit is configured for conversing AC power brought by said first cord into DC power and for transmitting said DC power to said portable computer via said second cord;

    a charging circuit located in said housing, connected to said power conversion circuit and configured for charging a backup battery of said portable computer; and

    a charging outlet mounted on said housing and linked to said charging circuit for connection with said backup battery.

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