CPC Subgroup
H01J 13/02 Details
Full Title
Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes > Details
11 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H01J 13/04 Main electrodes; Auxiliary anodes
- H01J 13/20 Control electrodes, e.g. grid (for igniting arrangements H01J13/34)
- H01J 13/22 Screens, e.g. for preventing or eliminating arcing-back
- H01J 13/24 Vessels; Containers
- H01J 13/26 Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
- H01J 13/28 Selection of substances for gas filling; Means for obtaining the desired pressure within the tube
- H01J 13/32 Cooling arrangements; Heating arrangements (for cathodes H01J13/14; for anodes H01J13/18)
- H01J 13/34 Igniting arrangements
- H01J 13/44 Devices for preventing or eliminating arcing-back
- H01J 13/46 One or more circuit elements structurally associated with the tube
- H01J 13/48 Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for