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PCE
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DIFF Subgroup
H01J 29/10

Screens on or from which an image or pattern is formed, picked up, converted or stored

Introduced: September 1968

Title

Titles differ between systems:

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

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

Full Title

Full titles differ between systems:

IPC:

Details of cathode-ray tubes or of electron-beam tubes of the types covered by group > Electrodes; Screens; Mounting, supporting, spacing, or insulating thereof > Screens on, or from, which an image or pattern is formed, picked-up, converted, or stored

CPC:

Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00 > Electrodes; Screens; Mounting, supporting, spacing or insulating thereof > Screens on or from which an image or pattern is formed, picked up, converted or stored

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • H01J 29/12 acting as light valves by shutter operation, e.g. for eidophor IPC+CPC Available in IPC and CPC
  • H01J 29/14 acting by discoloration, e.g. halide screen IPC+CPC Available in IPC and CPC
  • H01J 29/16 Incandescent screens IPC+CPC Available in IPC and CPC