System for converting coded data into display data

  • US 4,127,849 A
  • Filed: 01/11/1977
  • Issued: 11/28/1978
  • Est. Priority Date: 11/03/1975
  • Status: Expired due to Term
First Claim
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1. A system for converting coded data signals for presentation as display symbols on a display device comprising(a) an input computer adapted to store three-dimensional data with respect to a symbol to be displayed and generate signals corresponding to a two-dimensional display representation of said symbol,(b) symbol defining means connected to and providing input data to said input computer,(c) a display computer connected to and receiving the output of said input computer,(d) at least one dot generator connected to said display computer and controlled thereby, said dot generator adapted to generate a dot producing signal at the beginning of the horizontal position of each symbol,(e) at least one symbol generator connected to said generator and to said display computer and adapted to generate symbol producing signals at locations indicated by said dot generator, and,(f) a video combiner connected to said symbol generator and to said display computer for processing said symbol producing signals and delivering them to a selected display device,(g) said dot generator including x and y comparators and x and y stacks operatively connected to one another and to said display computer, said x and y comparators receiving, respectively, x and y counts corresponding to the x and y addresses of said symbols.

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