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Protocol adapter for passing diagnostic messages between a host computer and vehicle networks operating in J1939 or J1708 protocol

  • US 8,924,603 B2
  • Filed: 07/25/2012
  • Issued: 12/30/2014
  • Est. Priority Date: 03/26/1999
  • Status: Expired due to Term
First Claim
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1. A protocol adapter for transferring diagnostic messages between a vehicle network in a vehicle and an external host computer, said adapter comprising:

  • a plurality of transceiver circuits for providing an interface between the vehicle network and the host computer in at least two protocols being communicated between the vehicle network and the host computer;

    wherein the adapter automatically switches to one or more of the plurality of protocols the host computer is using.

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