having a screen on or from which an image or pattern is formed, picked up, converted, or stored

Introduced: September 1968

Title

Titles differ between systems:

IPC: having a screen on or from which an image or pattern is formed, picked-up, converted, or stored

CPC: having a screen on or from which an image or pattern is formed, picked up, converted, or stored

Full Title

Full titles differ between systems:

IPC:

Cathode-ray tubes; Electron-beam tubes > having a screen on or from which an image or pattern is formed, picked-up, converted, or stored

CPC:

Cathode ray tubes; Electron beam tubes (H01J25/00, H01J33/00, H01J35/00, H01J37/00 take precedence; details of cathode ray tubes or of electron beam tubes H01J29/00) > having a screen on or from which an image or pattern is formed, picked up, converted, or stored

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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H01J 31/10 Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes IPC+CPC Available in IPC and CPC
H01J 31/26 Image pick-up tubes having an input of visible light and electric output (tubes without defined electron beams and having a light ray scanning photo-emissive screen H01J40/20) +1 CPC IPC+CPC Available in IPC and CPC
H01J 31/49 Pick-up 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 IPC+CPC Available in IPC and CPC
H01J 31/495 Pick-up tubes adapted for an input of sonic, ultrasonic or mechanical vibrations and having an electric output IPC+CPC Available in IPC and CPC
H01J 31/50 Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output +5 CPC IPC+CPC Available in IPC and CPC
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 +1 CPC IPC+CPC Available in IPC and CPC