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DIFF Subgroup
H01J 23/44

Rod-type coupling devices (H01J23/46, H01J23/48, H01J23/54 take precedence)

Introduced: January 1985

Title

Titles differ between systems:

IPC: Rod-type coupling devices

CPC: Rod-type coupling devices (H01J23/46, H01J23/48, H01J23/54 take precedence)

Full Title

Full titles differ between systems:

IPC:

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 > Rod-type coupling devices

CPC:

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 > Rod-type coupling devices (H01J23/46, H01J23/48, H01J23/54 take precedence)

No child classifications to compare. This is a leaf node in both IPC and CPC.