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Video image creation system which simulates drafting tool

  • US 4,514,818 A
  • Filed: 12/01/1981
  • Issued: 04/30/1985
  • Est. Priority Date: 12/04/1980
  • Status: Expired due to Term
First Claim
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1. A video image creation system comprising:

  • drafting means operable by an operator to designate positions on a desired line in the image;

    means for providing shape signals relating to a patch of image points, said shape signals having different values to simulate the distribution of drafting medium produced by a notional drafting tool;

    a store for picture point signals having storage locations representing points of the image;

    processing means responsive to operation of said drafting means for producing for each designated position of group of image signals which are a function of said shape signals;

    means for storing said image signals at storage locations of said store determined by the designated position and by the position of the image points in said patch; and

    means for reading signals from said store to produce a sequence of signals adapted for the reproduction of the image.

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