CPC Subgroup
H01J 23/40 to or from the interaction circuit
Full Title
Details of transit-time tubes of the types covered by group H01J25/00 > Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy > to or from the interaction circuit
4 direct subcodes
Child Classifications
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- H01J 23/42 the interaction circuit being a helix or a helix-derived slow-wave structure (H01J23/44 - H01J23/48 take precedence)
- H01J 23/44 Rod-type coupling devices (H01J23/46, H01J23/48, H01J23/54 take precedence)
- H01J 23/46 Loop coupling devices
- H01J 23/48 for linking interaction circuit with coaxial lines; Devices of the coupled helices type (H01J23/46 takes precedence)