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Terminal for digital network and method of controlling the same

  • US 5,418,548 A
  • Filed: 10/29/1992
  • Issued: 05/23/1995
  • Est. Priority Date: 10/30/1991
  • Status: Expired due to Term
First Claim
Patent Images

1. A terminal for a digital network comprising:

  • display means for displaying on a display screen an image and first and second marks respectively designating independent first and second positions on the image;

    input means for inputting first position data representing the first position of said first mark on the display screen of said display means;

    first image data generating means for generating first image data for displaying said first mark on the display screen of said display means based only on the first position data inputted via said input means;

    receiving means for receiving through the digital network image data of one frame and second position data representing the second position of said second mark on the display screen of said display means;

    second image data generating means for generating second image data for displaying said second mark on the display screen of said display means based only on the second position data received by said receiving means; and

    image data synthesizing means for synthesizing said image data of one frame received by said receiving means, said first image data generated by said first image data generating means, and said second image data generated by said second image data generating means and for displaying an image obtained by the synthesis as a composite image on said display means.

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