Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup Additional Only
H01J 2223/40

to or from the interaction circuit

Full Title

Details of transit-time tubes of the types covered by group H01J2225/00 > 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

Navigate with arrow keys, Enter to open

  • H01J 2223/42 the interaction circuit being a helix or a helix-derived slow- wave structure
  • H01J 2223/44 Rod-type coupling devices
  • H01J 2223/46 Loop coupling devices