Electronic apparatus, battery management system, and battery management method

  • US 5,654,623 A
  • Filed: 04/10/1996
  • Issued: 08/05/1997
  • Est. Priority Date: 12/21/1993
  • Status: Expired due to Fees
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First Claim
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1. An electronic apparatus which receives power from an interchangeable battery which has an identification characteristic, comprising:

  • a battery management system including;

    a charger including charge means for charging the battery when the battery is attached to the charger, and including charge information memory means for storing charge information corresponding to the identification characteristic of the battery;

    transfer means for transferring the charge information stored in the charge information memory means;

    power consumption means for consuming power of the battery when the battery is detached from the charger and attached to the power consumption means, and for generating consumption information of the attached battery;

    battery information memory means for receiving the charge information transferred by the transfer means and storing the consumption information and the charge information corresponding to the identification characteristic of the battery, said battery information memory means including a table which stores said battery identification and battery information for the battery, the battery information including said consumption information and said charge information;

    identification characteristic reading means for reading the identification characteristic from the battery; and

    management means for calculating the power of the battery based on the consumption information and the charge information corresponding to the identification characteristic read from the attached battery.

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