G09G 1/14 the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible
Introduced: January 1980
Full Title
Full titles differ between systems:
Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators > using single beam tubes > the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible
Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; (cathode-ray oscilloscopes G01R13/20; ) > using single beam tubes (G09G1/26, G09G1/28 take precedence), > the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible
Of 4 combined children, 2 exist in both systems.
2 codes are CPC-only extensions.
IPC defines codes here since 1980.
Child Classifications
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- G09G 1/16 the pattern of rectangular co-ordinates extending over the whole area of the screen, i.e. television type raster since 1980 +2 CPC IPC+CPC Available in IPC and CPC
- G09G 1/18 a small local pattern covering only a single character, and stepping to a position for the following character, e.g. in rectangular or polar co-ordinates, or in the form of a framed star since 1980 IPC+CPC Available in IPC and CPC