Battery state of charge detector with rapid charging capability and method

  • US 6,094,033 A
  • Filed: 10/02/1998
  • Issued: 07/25/2000
  • Est. Priority Date: 10/02/1998
  • Status: Expired due to Term
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First Claim
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1. A method for charging a battery, comprising the steps of:

  • generating a signal;

    applying said signal to a battery;

    determining the state of charge of the battery based upon battery response to said signal;

    generating a first charging pulse group based upon the state of charge of the battery, and sequentially applying additional ones of said first charging pulse groups to the battery if the state of charge of the battery is less than a first predetermined level, and;

    generating a second charging pulse group having a positive pulse, a rest period and a negative pulse, and applying said second charging pulse group to the battery if the state of charge of the battery is at least equal to said first predetermined level.

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