IPC Main Group
H01J 23/00 Details of transit-time tubes of the types covered by group
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
6 direct subcodes
Child Classifications
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- H01J 23/02 Electrodes; Magnetic control means; Screens
- H01J 23/12 Vessels; Containers
- H01J 23/14 Leading-in arrangements; Seals therefor
- H01J 23/16 Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
- H01J 23/34 Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
- H01J 23/36 Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy