Automotive vehicle electrical system diagnostic device

  • US 7,705,602 B2
  • Filed: 08/29/2006
  • Issued: 04/27/2010
  • Est. Priority Date: 11/03/1997
  • Status: Expired due to Term
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First Claim
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1. An automotive vehicle electrical system diagnostic apparatus for diagnosing operation of an electrical system of the vehicle, comprising:

  • a first electrical terminal configured to electrically couple to the electrical system of the automotive vehicle configured to receive an electrical system signal;

    at least one input channel configured to couple to the electrical system of the vehicle, and receive a first electrical signal;

    digital sample circuitry coupled to the first electrical terminal, the digital sample circuitry configured to provide a plurality of digital samples during operation of the vehicle which are related to the electrical system signal; and

    a memory configured to store the plurality of digital samples, wherein the digital samples are stored in the memory in response to the first electrical signal.

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