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Infrequent event trace

  • US 5,434,845 A
  • Filed: 02/16/1994
  • Issued: 07/18/1995
  • Est. Priority Date: 12/03/1991
  • Status: Expired due to Term
First Claim
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1. A protocol analyzer for a communication link comprising:

  • input means for receiving communication frames from a communication link, said communication frames having plural identifiable distinctive frame events;

    first filter means for identifying a plurality of said distinctive frame events, from said input means, each of which has an occurrence below a preselected frequency; and

    output means for selectively displaying only the plurality of distinctive frame events identified by said first filter means.

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