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Battery charging

  • US 6,531,845 B2
  • Filed: 05/25/2001
  • Issued: 03/11/2003
  • Est. Priority Date: 05/26/2000
  • Status: Active Grant
First Claim
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1. A battery powered apparatus comprising:

  • a charging circuit for charging a rechargeable battery;

    a processor for controlling the battery operated apparatus and for communicating with an external electronic device including an electrical power supply;

    at least one conductor for connection to the external electronic device which receives data or control signals including when the charging circuit charges the rechargeable battery;

    a user input for receiving a user command;

    means for determining if charging the rechargeable battery using the electrical power supply of the external electronic device is allowed, based on the user command; and

    wherein the charging circuit receives electrical power from the electrical power supply of the external electronic device through the at least one conductor and charges the battery with the received electrical power if the charging of the rechargeable battery using the electrical power supply of the external electronic device is allowed.

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