Battery tester configured to receive a removable digital module

  • US 6,759,849 B2
  • Filed: 10/25/2002
  • Issued: 07/06/2004
  • Est. Priority Date: 03/27/2000
  • Status: Active Grant
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First Claim
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1. An electronic battery tester testing a storage battery comprising:

  • first and second Kelvin connections configured to electrically couple to the battery;

    a forcing function source configured to apply a forcing function signal to the battery through the Kelvin connections;

    a response sensor electrically coupled to the battery through the first and second Kelvin connections configured to measure a response of the battery to the forcing function signal;

    a data bus coupled to the microprocessor configured to carry data in the electronic battery tester;

    a connector coupled to the data bus and configured to receive a removable digital module, the connector including electrical connections which couple the data bus to the removable module; and

    a microprocessor coupled to the response sensor configured to determine a dynamic parameter of the battery as a function of the measured response of the battery to the forcing function signal, the microprocessor configured to couple to the removable digital module and send or receive digital data from the removable digital module on the data bus.

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