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CPC Subclass Not Allocatable
G09G

ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)

Description

G09G encompasses electrical and electronic circuits and systems for controlling display devices that use static visual elements to present changing information. This includes control architectures for technologies such as cathode-ray tubes (CRTs), liquid crystal displays (LCDs), light-emitting diodes (LEDs), plasma displays, and other electro-optical devices. The classification covers driver circuits, timing generators, memory interfaces, signal processing, and refresh mechanisms necessary to modulate static display components into dynamic visual output. Related display-specific subcategories address particular technologies (e.g., G09G 3 for CRTs, G09G 5 for specific display types), while G09G itself focuses on the broader control infrastructure and general circuit principles applicable across display modalities.

18 direct subcodes

Child Classifications

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  • G09G 2230/00 Details of flat display driving waveforms
  • G09G 2290/00 Indexing scheme relating to details of a display terminal
  • G09G 2350/00 Solving problems of bandwidth in display systems
  • G09G 2352/00 Parallel handling of streams of display data
  • G09G 2354/00 Aspects of interface with display user
  • G09G 2356/00 Detection of the display position w.r.t. other display screens
  • G09G 2358/00 Arrangements for display data security