IPC Subgroup
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
Last revised: January 2006
Full Title
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
Classification Context
- Section:
- PHYSICS
- Class:
- EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- Subclass:
- ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2 direct subcodes
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
- 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
Top Applicants
Top 10 applicants by patent filingsfor class G09, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG DISPLAY KR 16,046
- BOE TECHNOLOGY GROUP COMPANY 13,766
- BOE TECHNOLOGY GROUP COMPANY CN 12,804
- LG DISPLAY COMPANY KR 10,322
- SAMSUNG ELECTRONICS COMPANY KR 7,738
- SAMSUNG DISPLAY 5,172
- SEMICONDUCTOR ENERGY LABORATORY COMPANY 4,749
- SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 3,417
- LG DISPLAY COMPANY 3,335
- SONY CORPORATION JP 3,179