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ONBOARD APPARATUS, AND ONBOARD COMMUNICATION SYSTEM

  • US 20160224499A1
  • Filed: 08/07/2014
  • Published: 08/04/2016
  • Est. Priority Date: 09/11/2013
  • Status: Active Grant
First Claim
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1. An onboard apparatus comprising:

  • a connection portion that connects with an external device mounted to a vehicle, and includes at least a data terminal to input and output a communication data and a control terminal to output a communication availability signal that indicates communication is available or not;

    a control block that performs data communication with the external device, which is connected to the connection portion; and

    a bus switch that, according to a permission signal, changes a non-conduction state to a conduction state of a transmission path from the control block to the data terminal, wherein a signal level of the permission signal varies when an output of the control block is stabilized after the onboard apparatus starts.

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