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Information tracing system and information tracing method

  • US 5,822,533 A
  • Filed: 05/23/1996
  • Issued: 10/13/1998
  • Est. Priority Date: 05/24/1995
  • Status: Expired due to Term
First Claim
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1. An information tracing system comprising:

  • a plurality of distribution sensing means each for sensing information distribution from a first information processing apparatus as an information distribution source to a second information processing apparatus as an information distribution destination;

    a plurality of distribution history storing means each for storing a history relating to the information distribution sensed by an associated one of said plurality of distribution sensing means;

    a plurality of transmitting means each for transmitting the history stored in an associated one of said plurality of distribution history storing means;

    a single receiving means for receiving the histories transmitted from said plurality of transmitting means; and

    analyzing means for analyzing a distribution route based on the histories received by said single receiving means, wherein said plurality of distribution sensing means senses the information distribution by sensing sending of information when it is sent from the first information processing apparatus.

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