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PCE
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DIFF Subgroup
H01J 13/50

Tubes having a single main anode

Introduced: September 1968

Full Title

Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes > Tubes having a single main anode

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • H01J 13/52 with control by one or more intermediate control electrodes IPC+CPC Available in IPC and CPC
  • H01J 13/54 with control by igniter, e.g. single-anode ignitron IPC+CPC Available in IPC and CPC