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IN-VEHICLE DEVICE, VEHICLE AUTHENTICATION SYSTEM AND DATA COMMUNICATION METHOD

  • US 20120095642A1
  • Filed: 10/19/2011
  • Published: 04/19/2012
  • Est. Priority Date: 10/19/2010
  • Status: Active Grant
First Claim
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1. An in-vehicle device that relays wireless data communication between an in-vehicle electronic device and a mobile terminal, comprising:

  • a storage unit that stores a PIN code and an in-vehicle device ID that is kept confidential for a user and that is registered one for each vehicle;

    a first authentication unit that determines whether the in-vehicle device is allowed to be connected to the mobile terminal on the basis of a comparison of the PIN code;

    a second authentication unit that requests an in-vehicle device ID from the mobile terminal that has been connected through authentication performed by the first authentication unit and that authenticates the mobile terminal by comparing the in-vehicle device ID transmitted from the mobile terminal in response to the request with the in-vehicle device ID registered in the in-vehicle device; and

    a data transmission unit that transmits predetermined vehicle data, which is obtained from the in-vehicle electronic device and which indicates a vehicle state, to the mobile terminal that has been authenticated by the second authentication unit.

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