IPC Subgroup
H01J 1/6 Incandescent screens
Introduced: September 1968
Last revised: January 2006
Full Title
Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps > Screens on or from which an image or pattern is formed, picked-up, converted, or stored; Luminescent coatings on vessels > Incandescent screens
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
Related Keywords
incandescent screens for electric discharge tubes