Electrodes; Magnetic control means; Screens

Full Title

Details of transit-time tubes of the types covered by group > Electrodes; Magnetic control means; Screens

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC ELEMENTS

Subclass:

ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

Child Classifications

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• H01J 23/027 Collectors
• H01J 23/04 Cathodes
• H01J 23/06 Electron or ion guns
• H01J 23/08 Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
• H01J 23/09 Electric systems for directing or deflecting the discharge along a desired path, e.g. E-type
• H01J 23/1 Magnet systems for directing or deflecting the discharge along a desired path, e.g. a spiral path
• H01J 23/11 Means for reducing noise