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In-vehicle sensor and in-vehicle sensor system

  • US 9,658,980 B2
  • Filed: 05/15/2014
  • Issued: 05/23/2017
  • Est. Priority Date: 05/17/2013
  • Status: Active Grant
First Claim
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1. An in-vehicle sensor which is to be mounted on a vehicle and is to be connected to a communication bus constructed in the vehicle, comprising:

  • a bus connection connector used for connection to the communication bus and including one or a plurality of communication external terminals to be connected to a communication line of the communication bus through which communication data flow, and one or a plurality of external terminals for setting each brought into a connection state which is either of a first connection state in which it is not connected to any potential outside the in-vehicle sensor and a second connection state in which it is connected to a ground potential outside the in-vehicle sensor;

    a judgment section which judges for the one or plurality of external terminals for setting whether the connection state is the first connection state or the second connection state;

    an identifier setting section which sets an identifier of the in-vehicle sensor used on the communication bus on the basis of the judged connection state(s) of the one or plurality of external terminals for setting; and

    a microprocessor having an input signal port to which an input signal is input.

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