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Position control apparatus for displaying a window's effective image area

  • US 5,903,268 A
  • Filed: 02/06/1992
  • Issued: 05/11/1999
  • Est. Priority Date: 02/09/1991
  • Status: Expired due to Term
First Claim
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1. A display apparatus for displaying a window image thereon, the window image having an image area, the display apparatus comprising:

  • (a) a display for displaying the window image at a selected position of the display, the display having a visible area;

    (b) a coordinate data input device for choosing the selected position by pointing to a window display area so as to display the window image on the display;

    (c) a memory for storing the window image;

    (d) a controller for supply ing the window image from said memory to said display; and

    (e) correction means for automatically correcting the selected position of a window image which protrudes from the visible area, wherein said correction means corrects the position of the window image so that the window image is displayed wholly within the visible area.

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