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SECURITY SYSTEM FOR ELECTRONIC EQUIPMENT

  • US 20180091550A1
  • Filed: 03/06/2017
  • Published: 03/29/2018
  • Est. Priority Date: 09/28/2016
  • Status: Active Grant
First Claim
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1. An electronic control unit (ECU) for a vehicle, the ECU comprising:

  • transceiver circuitry to at least one of send and/or receive a message;

    voltage measurement circuitry to determine at least one of a high bus line voltage (VCANH) value and/or a low bus line voltage (VCANL) value, for each zero bit of at least one zero bit of a received message, the received the message comprising a plurality of bits; and

    feature set circuitry to determine a value of at least one feature of a feature set based, at least in part, on at least one of a high acknowledge (ACK) threshold voltage (VthH) and/or a low ACK threshold voltage (VthL), the feature set comprising at least one of an operating most frequently measured VCANH value (VfreqH2) of a number of VCANH values and/or an operating most frequently measured VCANL value (VfreqL2) of a number of VCANL values.

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