DIFF Subgroup
G09G 5/222 Full Title
Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators (image data processing or generation, in general G06T) > characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.