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Method and apparatus for controlling computer displays by using a two dimensional scroll palette

  • US 5,263,134 A
  • Filed: 07/30/1992
  • Issued: 11/16/1993
  • Est. Priority Date: 10/25/1989
  • Status: Expired due to Term
First Claim
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1. In an interactive computer-controlled display system having a processor, means for accessing displayable information having predetermined dimensions, a data display screen coupled to said processor for displaying said displayable information, and a cursor control device coupled to said processor for interactively positioning a cursor on said lay screen, a computer implemented process for interactively selecting a portion of said displayable information which is displayed within a region of said display screen, said process comprising the steps of:

  • generating and displaying first window region on said data display screen, said first window region having a border, a first displayed portion of said displayable information being displayed within said border of said first window region such that an undisplayed portion of said displayable information is not displayed on said data display screen;

    generating and displaying a second window region being associated with said first window region, said second window region having a border, said second window region being displayed concurrently on said data display screen with said first window region, said border of said second window region corresponding to said predetermined dimensions of said displayable information, said second window region having a third window region within said second window region, said third window region having a border corresponding to said first displayed portion of said displayable information, said third window region being located in a different position on said data display screen than a position of said first window region; and

    moving said third window region in two dimensions within said second window region to selectively display a second displayed portion of said displayable information within said border of said first window region, said second displayed portion being different from said first displayed portion.

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