with luminescent screen

Full Title

Cathode-ray tubes; Electron-beam tubes > having a screen on or from which an image or pattern is formed, picked-up, converted, or stored > Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes > with luminescent screen

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC ELEMENTS

Subclass:

ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

Child Classifications

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• H01J 31/14 Magic-eye or analogous tuning indicators
• H01J 31/15 with ray or beam selectively directed to luminescent anode segments
• H01J 31/16 with mask carrying a number of selectively displayable signs, e.g. numeroscope
• H01J 31/18 with image written by a ray or beam on a grid-like charge-accumulating screen, and with a ray or beam passing through, and influenced by, this screen before striking the luminescent screen, e.g. direct-view storage tube