Multi-power charger

  • US 8,063,610 B2
  • Filed: 01/17/2011
  • Issued: 11/22/2011
  • Est. Priority Date: 12/19/2006
  • Status: Active Grant
First Claim
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1. A multi-power charger comprising:

  • at least one internal power source;

    at least one external power source;

    an internal battery;

    an input receptacle for connecting to the at least one external power source;

    a voltage selection circuit, wherein the voltage selection comprises logic for;

    determining the operating voltage of the at least one internal power source;

    determining the operating voltage of the at least one external power source; and

    selecting from the at least one internal power source and the one external power source an active source, wherein the selection is made based on the source having the highest available power.

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