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Copyright detection and protection system and method

  • US 7,363,278 B2
  • Filed: 04/03/2002
  • Issued: 04/22/2008
  • Est. Priority Date: 04/05/2001
  • Status: Expired due to Term
First Claim
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1. A method of identifying transmissions of digital works comprising:

  • maintaining a database that stores an identification and identification information for each of a plurality of registered digital works;

    monitoring a network for transmission of at least one packet-based digital signal including data of an unidentified digital work;

    extracting at least one feature of data from said unidentified digital work from the at least one packet-based digital signal;

    comparing said at least one extracted feature to said identification information for at least one of said plurality of registered digital works in said database;

    determining whether said at least one extracted feature matches said identification information for one of said plurality of digital works responsive to said comparing;

    determining said packet-based digital signal includes data of a registered work responsive to a determination that said at least one extracted feature matches said identification information for one of said plurality of registered digital works; and

    performing an action based upon a determination of whether said digital signal includes a registered work.

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