IPC Subgroup
H01J 23/48 for linking interaction circuit with coaxial lines; Devices of the coupled helices type
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 > for linking interaction circuit with coaxial lines; Devices of the coupled helices type
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
2 direct subcodes
Child Classifications
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- H01J 23/5 the interaction circuit being a helix or derived from a helix
- H01J 23/52 the coupled helices being disposed coaxially around one another