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Method and apparatus for providing electrical energy to a portable device from energy storage of another portable device

  • US 7,508,162 B2
  • Filed: 04/07/2006
  • Issued: 03/24/2009
  • Est. Priority Date: 04/07/2006
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • determining values of one or more parameters of a first energy storage in a first device and corresponding parameters of a second energy storage in a second device; and

    setting a direction for transferring energy between the first device and the second device,wherein the direction of the energy transfer establishes that one of the first and second device is a source device and another is a target device, and the method further comprising;

    determining, if the target device has an electrical load, whether the energy from the source device is to be directed to the energy storage of the target device, to the electrical load of the target device, or to be shared between the energy storage and the electrical load of the target device.

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