Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output

Introduced: September 1968

Last revised: January 2006

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 > Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC ELEMENTS
Subclass:: ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

3 direct subcodes

Child Classifications

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H01J 31/6 having means for deflecting, either selectively or sequentially, an electron ray on to separate surface elements of the screen
H01J 31/66 having means for allowing all but selected cross-section elements of a homogeneous electron beam to reach corresponding elements of the screen, e.g. selectron
H01J 31/68 in which the information pattern represents two or more colours