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Charging apparatus and method of charging a battery

  • US 6,298,395 B1
  • Filed: 06/08/2000
  • Issued: 10/02/2001
  • Est. Priority Date: 01/29/1997
  • Status: Expired due to Term
First Claim
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1. A charging apparatus capable of being connected to a communication apparatus, which is capable of performing data communication via a communication channel, using said communication channel to make the connection;

  • wherein said communication channel includes a communication line for data communication and a power supply line for supplying electric power;

    said charging apparatus comprising;

    a charging circuit for charging a battery by being supplied with electric power through said power supply line;

    a charging capability judgement device for judging, in response to the connection to the communication apparatus via the communication channel, whether charging by said charging circuit is possible or not based upon a power supplying capability of said communication apparatus; and

    a charging controller for controlling said charging circuit so as to charge the battery in response to a judgment by said charging capability judgement device to the effect that charging is possible.

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