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IPC Main Group
G09G 1/00

Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators

Introduced: January 1980

Last revised: January 2006

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

Related Keywords

control arrangements or circuits for CATHODE(S) -ray tube indicators

8 direct subcodes

Child Classifications

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  • G09G 1/02 Storage circuits
  • G09G 1/04 Deflection circuits
  • G09G 1/2 using multi-beam tubes
  • G09G 1/22 using tubes permitting selection of a complete character from a number of characters
  • G09G 1/24 using tubes permitting selection of individual elements forming in combination a character
  • G09G 1/26 using storage tubes
  • G09G 1/28 using colour tubes

Top Applicants

Top 10 applicants by patent filingsfor class G09, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG DISPLAY KR 16,046
  2. BOE TECHNOLOGY GROUP COMPANY 13,766
  3. BOE TECHNOLOGY GROUP COMPANY CN 12,804
  4. LG DISPLAY COMPANY KR 10,322
  5. SAMSUNG ELECTRONICS COMPANY KR 7,738
  6. SAMSUNG DISPLAY 5,172
  7. SEMICONDUCTOR ENERGY LABORATORY COMPANY 4,749
  8. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 3,417
  9. LG DISPLAY COMPANY 3,335
  10. SONY CORPORATION JP 3,179