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Car diagnosis system

  • US 3,935,427 A
  • Filed: 12/26/1973
  • Issued: 01/27/1976
  • Est. Priority Date: 12/26/1973
  • Status: Expired due to Term
First Claim
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1. A system for checking correspondence between datacarrier, to be used in an automatic automative diagnosis apparatus, and the car to be tested, characterized in that the car is provided with a code-key in which the car characterizing code is recorded, said code corresponding with a code recorded on the datacarrier, means to read-out the code on the code-key and the code on the datacarrier, means to compare the code read-out from the datacarrier, and means to provide a signal in the event of absence of agreement between the code on the code-key and the code on the data carrier to indicate that the test program for the car should be stopped.

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