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Power level display calibration device

  • US 7,622,895 B1
  • Filed: 03/23/2006
  • Issued: 11/24/2009
  • Est. Priority Date: 03/23/2006
  • Status: Expired due to Fees
First Claim
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1. A charging accessory for a portable electronic device having an input/output port, said charging accessory comprising:

  • an input/output port for providing electrical connections to said device'"'"'s input/output port;

    a charger for charging a battery of said portable electronic device while said battery is in said device;

    a discharging circuit for discharging said battery of said portable electronic device while said battery is in said device; and

    a timer and a processor wherein said processor saves a time stamp associated with a charging time and device identification information in a memory and automatically performs a discharging/charging operation for said device according to a predetermined schedule.

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