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Battery charging apparatus

  • US 5,861,732 A
  • Filed: 10/09/1997
  • Issued: 01/19/1999
  • Est. Priority Date: 12/11/1989
  • Status: Expired due to Fees
First Claim
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1. An electric apparatus having a function to check a battery, comprising:

  • (a) said battery for supplying the power to said apparatus;

    (b) measuring means for measuring a terminal voltage of said battery at a predetermined period in the course of battered charging;

    (c) display means for displaying information corresponding to a usable time of said battery in accordance with the terminal voltage of said battery; and

    (d) display control means having a memory stored with a plurality of sets of control data each controlling a displaying state of said display means which state corresponds to the terminal voltage of said battery, for reading out a set of control data from among said plurality of sets of control data stored in said memory in accordance with the terminal voltage of said battery measured by said measuring means and for outputting said set of control data thus read out to said display means.

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