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System for monitoring residual capacity of battery

  • US 5,598,087 A
  • Filed: 06/08/1994
  • Issued: 01/28/1997
  • Est. Priority Date: 06/08/1993
  • Status: Expired due to Fees
First Claim
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1. A battery monitor system for monitoring the residual capacity of a battery, comprising:

  • residual capacity determining means for determining the residual capacity of the battery;

    electric power determining means for detecting voltage and current and calculating the output electric power of the battery based on the detected voltage and current when the battery is being discharged; and

    residual capacity correcting means for correcting the residual capacity determined by said residual capacity determining means depending on the output electric power calculated by said electric power determining means, such that as the output electric power of the battery increases, an updated residual capacity produced when the residual capacity is corrected by said residual capacity correcting means decreases.

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