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Current regulator for a battery re-charging circuit

  • US 4,924,169 A
  • Filed: 02/24/1989
  • Issued: 05/08/1990
  • Est. Priority Date: 12/17/1987
  • Status: Expired due to Term
First Claim
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1. In an instrument including a control circuit, a battery pack for supplying power to the control circuit, and a generator for generating electrical current to re-charge the battery pack, a means for regulating the amount of electrical current supplied to the battery pack for re-charging comprising:

  • means for generating a signal representing the desired amount of the re-charging current, said desired signal generating means including a plurality of individual current signal sources and means for summing all of said individual current signals to provide said desired current signal;

    means for generating a signal representing the actual amount of the re-charging current; and

    means responsive to said desired and actual current signals for controlling said actual amount of said re-charging current to correspond to said desired amount of said re-charging current.

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