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Vehicle communication link auto detection

  • US 6,334,081 B1
  • Filed: 05/24/2000
  • Issued: 12/25/2001
  • Est. Priority Date: 05/24/2000
  • Status: Expired due to Term
First Claim
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1. A method of establishing communication and transferring data between a plurality of controllers in a vehicle, the method comprising the steps of:

  • a first controller polling an automotive communication network linking the first controller to the remaining plurality of controllers for messages broadcast by the remaining plurality of controllers over the automotive communication network;

    determining which of the remaining plurality of controllers contains required data as a source controller by the first controller;

    learning a device ID of the source controller; and

    the first controller communicating with the source controller to access the required data.

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