IPC Subgroup
H01J 31/08 having a screen on or from which an image or pattern is formed, picked-up, converted, or stored
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
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
6 direct subcodes
Child Classifications
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- H01J 31/1 Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J 31/26 Image pick-up tubes having an input of visible light and electric output
- H01J 31/49 Pick-up tubes adapted for an input of electromagnetic radiation other than visible light and having an electric output, e.g. for an input of X-rays, for an input of infrared radiation
- H01J 31/495 Pick-up tubes adapted for an input of sonic, ultrasonic or mechanical vibrations and having an electric output
- H01J 31/5 Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
- H01J 31/58 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