METHOD AND DEVICE FOR VISUALIZING MESSAGES COMPOSED OF PAGES ON A SCANNED FRAME DISPLAY DEVICE SUCH AS A SCREEN OF A CATHODE RAY TUBE

摘要

P THIS METHOD AND DEVICE APPLICABLE ESPECIALLY TO A TELETEXT SYSTEM SUCH AS ANTI-OPTICAL SYSTEM ALLOWS TO VISUALIZE ON THE SCREEN OF A RECEIVER STATION, FOR EXAMPLE PAGES OF A MESSAGE IN WHICH ARE MIXED TYPOGRAPHIC DATA AND GRAPHIC. / P P IDENTIFICATION DATA (BYTES 48 TO 50) ARE ATTACHED TO LINE ROWS OR LINES TO BE DISPLAYED AND ARE TREATED IN SUCH A WAY THAT THEY CAN DETERMINE THE CONDITIONING OF THE CIRCUITS FOR THE DISPLAY IN TYPOGRAPHIC OR GRAPHICAL MODES. / P