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Apparatus and method for controlling battery recharging and discharging in a portable terminal

  • US 7,868,583 B2
  • Filed: 09/28/2007
  • Issued: 01/11/2011
  • Est. Priority Date: 03/13/2007
  • Status: Active Grant
First Claim
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1. A method for controlling battery discharging and recharging in a portable terminal, the method comprising:

  • determining if a detachable external battery has been connected with the portable terminal;

    receiving power from the detachable external battery if the detachable external battery is connected with the portable terminal;

    receiving power from an embedded battery of the portable terminal if the detachable external battery has been completely discharged; and

    receiving power from the embedded battery if the detachable external battery is separated from the portable terminal during discharging of the detachable external battery.

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