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Method and device for monitoring a bus system and bus system

  • US 7,269,675 B2
  • Filed: 09/26/2002
  • Issued: 09/11/2007
  • Est. Priority Date: 09/26/2001
  • Status: Active Grant
First Claim
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1. A method of monitoring a bus system having at least two users, comprising:

  • structuring at least one of the at least two users of the bus system as at least one authorized user that monitors at least some of a plurality of data transmissions on the bus system;

    for each of the monitored data transmissions;

    transmitting an identifier uniquely allocatable to one of the at least two users;

    causing the at least one authorized user to compare the respective identifier with another identifier; and

    if, and conditional upon that, (a) the respective identifier and the other identifier are the same and (b) the respective data transmission is initiated by a user other than the at least one authorized user, implementing a measure in order to prevent an execution of the respective data to be transmitted;

    wherein at least one of the monitored data transmissions is initiated by the user other than the at least one authorized user.

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