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Protocol Adapter For Passing Diagnostic Messages Between a Host Computer and Vehicle Networks Operating in J1939 or J1708 Protocol

  • US 20120290751A1
  • Filed: 07/25/2012
  • Published: 11/15/2012
  • Est. Priority Date: 03/26/1999
  • Status: Active Grant
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 when the vehicle network is operating in one of a plurality of protocols;

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

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