IPC Subgroup
H01J 3/3 by electric fields only
Introduced: September 1968
Last revised: January 2006
Full Title
Details of electron-optical or ion-optical arrangements common to two or more basic types of discharge tubes or lamps > Arrangements for deflecting ray or beam > along one straight line or along two perpendicular straight lines > by electric fields only
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS