Generation of individual character patterns

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators > characterised by the display of individual characters or indicia using display control signals derived from coded signals representing the characters or indicia with a character-code memory > Generation of individual character patterns

CPC:

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 > Generation of individual character patterns

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1990.

Child Classifications

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G09G 5/243 CPC only CPC only
G09G 5/246 CPC only CPC only
G09G 5/26 for modifying the character dimensions, e.g. double width, double height since 1990 IPC+CPC Available in IPC and CPC
G09G 5/28 for enhancement of character form, e.g. smoothing since 1990 IPC+CPC Available in IPC and CPC