Vehicle electrical system tester with encoded output

  • US 6,445,158 B1
  • Filed: 05/22/2000
  • Issued: 09/03/2002
  • Est. Priority Date: 07/29/1996
  • Status: Expired due to Term
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First Claim
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1. An automotive vehicle electrical system tester, comprising:

  • a starter motor voltage measurement circuit configured to measure a starter voltage of a starter motor of a vehicle;

    a display;

    a microprocessor configured to determine a starter motor condition as a function of the starter voltage and responsively output the starter motor condition on the display, the microprocessor further configured to encrypt information and responsively output an encrypted output which includes information related to the starter voltage.

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