IPC Subgroup
H01J 23/4 to or from the interaction circuit
Introduced: January 1985
Last revised: January 2006
Full Title
Details of transit-time tubes of the types covered by group > Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy > to or from the interaction circuit
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H01J 23/42 the interaction circuit being a helix or a helix-derived slow-wave structure
- H01J 23/44 Rod-type coupling devices
- H01J 23/46 Loop coupling devices
- H01J 23/48 for linking interaction circuit with coaxial lines; Devices of the coupled helices type