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Vehicle identification and verification system

  • US 5,534,856 A
  • Filed: 11/18/1993
  • Issued: 07/09/1996
  • Est. Priority Date: 11/18/1993
  • Status: Expired due to Term
First Claim
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1. A vehicle identification system including a vehicle apparatus and a monitoring terminal apparatus and being for use with a monitoring system having a wire for electrically connecting the vehicle to a monitoring terminal, the monitoring system, when said monitoring terminal apparatus is not present, generating monitoring signals on the wire, the identification system comprising:

  • a memory mounted on the vehicle containing unique identifying information;

    identification apparatus comprised by the monitoring terminal apparatus and connected between the monitoring terminal and the wire for generating identification signals and outputting them on the wire; and

    interface apparatus connected between the wire and the memory, the interface apparatus, when the monitoring terminal apparatus is not present, being responsive to the monitoring signals for isolating the memory from the monitoring signals, and the interface apparatus, when the monitoring terminal apparatus is present, being responsive to the identification signals for allowing the memory to receive the identification signals.

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