EP 0020244 B1 19830504 - METHOD AND DEVICE FOR ADDRESSING A TELETEXT IMAGE BUFFER MEMORY
Title (en)
METHOD AND DEVICE FOR ADDRESSING A TELETEXT IMAGE BUFFER MEMORY
Publication
Application
Priority
FR 7913240 A 19790523
Abstract (en)
[origin: ES8104597A1] 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.
IPC 1-7
IPC 8 full level
G09G 5/30 (2006.01); G11C 8/00 (2006.01); H04N 7/025 (2006.01); H04N 7/03 (2006.01); H04N 7/035 (2006.01)
CPC (source: EP US)
G09G 5/30 (2013.01 - EP US)
Designated contracting state (EPC)
BE CH DE GB IT LI NL SE
DOCDB simple family (publication)
EP 0020244 A2 19801210; EP 0020244 A3 19810211; EP 0020244 B1 19830504; CA 1162293 A 19840214; DE 3062949 D1 19830609; ES 491634 A0 19810401; ES 8104597 A1 19810401; FR 2463453 A1 19810220; FR 2463453 B1 19850215; JP S55161485 A 19801216; SU 1048996 A3 19831015; US 4315257 A 19820209
DOCDB simple family (application)
EP 80400711 A 19800521; CA 352524 A 19800522; DE 3062949 T 19800521; ES 491634 A 19800520; FR 7913240 A 19790523; JP 6797380 A 19800523; SU 2929204 A 19800522; US 15249780 A 19800522