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Communication method, remaining capacity calculation method, total capacity calculation method, overcharge protection method, information display method, and battery pack

  • US 6,174,617 B1
  • Filed: 07/20/1998
  • Issued: 01/16/2001
  • Est. Priority Date: 07/20/1998
  • Status: Expired due to Term
First Claim
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1. A battery pack, comprising:

  • a battery pack for supplying power to an electronic apparatus;

    data acquisition means for acquiring data relating to the status and charge/discharge of said battery, said data acquisition means comprising a processor and memory; and

    transmission means for transmitting in one direction the data acquired by said data acquisition means to said electronic apparatus independently of clock operation of and control by said electronic apparatus, wherein said data acquisition means acquires said data at predetermined first intervals and updates the data, and said transmission first intervals and updates the data, and said transmission means transmits the data acquired by said data acquisition means to said electronic apparatus at predetermined second intervals which are shorter than said predetermined first intervals.

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