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System and method for data exchange in a vehicle multimedia system

  • US 6,647,327 B1
  • Filed: 11/15/2000
  • Issued: 11/11/2003
  • Est. Priority Date: 11/15/1999
  • Status: Expired due to Term
First Claim
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1. A method of data exchange in a vehicular multimedia system that includes an interface unit and a plurality of multimedia units each connected to a data bus configured as a ring line in the vehicle, comprising:

  • establishing a radio connection between the interface unit and an external unit;

    receiving from the multimedia units requests for the radio connection with the external unit; and

    coordinating/arbitrating at the interface unit requests for radio connection to the external unit.

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