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Power management in a portable media delivery system

  • US 7,770,036 B2
  • Filed: 02/27/2006
  • Issued: 08/03/2010
  • Est. Priority Date: 02/27/2006
  • Status: Active Grant
First Claim
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1. A method for managing power in electronic device operating at a current operating state and powered by only a plurality of internal power supplies in a DC mode, comprising:

  • when the electronic device is in the DC mode,controlling a transfer of an amount of charge between at least two of the plurality of internal power supplies by the electronic device wherein the amount of charge transferred is sufficient for the electronic device to operate uninterrupted for a predetermined period of time at the current operating state wherein the electronic device includes a number of electronic components each of which are powered in the DC mode by a corresponding one of the plurality of internal power supplies.

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