IPC Subgroup
H01J 1/53 Electrodes intimately associated with a screen on or from which an image or pattern is formed, picked-up, converted, or stored
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 > Electrodes intimately associated with a screen on or from which an image or pattern is formed, picked-up, converted, or stored
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS