Portable battery charger

  • US 20070063669A1
  • Filed: 09/21/2005
  • Published: 03/22/2007
  • Est. Priority Date: 09/21/2005
  • Status: Abandoned Application
First Claim
Patent Images

1. A battery charger comprising:

  • a housing;

    a power source disposed within said housing;

    an integrated circuit disposed within said housing in electrical contact with said power source;

    wherein said integrated circuit comprises;

    at least one light emitting diode;

    a differential op amp;

    a DC-DC converter;

    a comparator; and

    a sensor that monitors current flow;

    a means for attaching said charger to a wireless device which is in electrical contact with said integrated circuit such that a charge current is delivered to said wireless device.

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