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System amd method for linking streams of multimedia data for reference material for display

DC
  • US 5,822,720 A
  • Filed: 07/08/1996
  • Issued: 10/13/1998
  • Est. Priority Date: 02/16/1994
  • Status: Expired
First Claim
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1. A system for linking source material to reference material for display comprising:

  • a source material image including a plurality of discrete pieces having links to external reference materials comprising any of textual, audio, video, and picture information, said source material image stored in an electronic database;

    means for determining an address on said electronic database for the beginning position of said source material image;

    means for cutting said source material image into said discrete pieces;

    means for determining an address on said electronic database for a start point and an end point of said discrete pieces of said image based upon said beginning position of said source material image;

    means for recording said start and said end point addresses in a look-up table;

    means for selecting a discrete portion of said source material image;

    means for determining the address on said electronic database of said selected discrete portion;

    means for converting said address of said selected discrete portion to an offset value from said beginning position address of said source material image;

    means for comparing said offset value with said recorded start and end point addresses of said discrete pieces in said look-up table;

    means for selecting an external reference that corresponds to said look-up table start and end point addresses; and

    means for reproducing said external reference.

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