Battery monitoring and charging control unit

  • US 5,563,496 A
  • Filed: 09/14/1994
  • Issued: 10/08/1996
  • Est. Priority Date: 12/11/1990
  • Status: Expired due to Fees
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First Claim
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1. A monitoring unit for monitoring the condition of charge of a battery, comprising:

  • processor means operable during flow of charge current to said battery and discharge current from said battery for performing periodic read and processing operations, each read operation including producing a battery current reading corresponding to net current flowing to said battery, and each processing operation including producing an output reading from said battery current, and adding said output reading to a stored accumulated charge value indicating the condition of charge of said battery, said producing of said output reading from said battery current reading including adjusting said battery current reading as function of operating conditions to produce said output current reading as a function of net change in energy stored in said battery since a last preceding read operation.

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