Patents Assigned to Telediffusion de France & Compagnie Continentale de Signalisation
  • Method and device for addressing a page memory in a videotex system
    Patent number: 4315257
    Abstract: A method for addressing a page memory in a videotex system, said page memory being capable of storing the character data required for displaying one page of text, each page comprising 25 rows of 40 characters each, the first row being a service row, said memory having 1024 available positions, wherein the 24 positions not dedicated to character data are respectively allocated to the 24 rows other than the first row for reading out data common to all the characters of the row in consideration.
    Type: Grant
    Filed: May 22, 1980
    Date of Patent: February 9, 1982
    Assignee: Telediffusion de France & Compagnie Continentale de Signalisation
    Inventor: Charles Hernandez