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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