Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical 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 > Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output

Classification Context

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

Related Keywords

electric discharge tubes for amplifying or converting IMAGE(S)

3 direct subcodes

Child Classifications

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H01J 31/52 having grid-like image screen through which the electron ray or beam passes and by which the ray or beam is influenced before striking the luminescent output screen, i.e. having "triode action"
H01J 31/54 in which the electron ray or beam is reflected by the image input screen on to the image output screen
H01J 31/56 for converting or amplifying images in two or more colours