Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details of cathode-ray tubes or of electron-beam tubes of the types covered by group > Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement

CPC:

Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00 > Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement

Of 11 combined children, 8 exist in both systems.

3 codes are CPC-only extensions.

Child Classifications

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H01J 29/462 CPC only CPC only
H01J 29/465 CPC only CPC only
H01J 29/467 CPC only CPC only
H01J 29/48 Electron guns +6 CPC IPC+CPC Available in IPC and CPC
H01J 29/52 Arrangements for controlling intensity of ray or beam, e.g. for modulation +1 CPC IPC+CPC Available in IPC and CPC
H01J 29/54 Arrangements for centring ray or beam IPC+CPC Available in IPC and CPC
H01J 29/56 Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses +2 CPC IPC+CPC Available in IPC and CPC
H01J 29/58 Arrangements for focusing or reflecting ray or beam +1 CPC IPC+CPC Available in IPC and CPC
H01J 29/70 Arrangements for deflecting ray or beam +2 CPC IPC+CPC Available in IPC and CPC
H01J 29/80 Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching +1 CPC IPC+CPC Available in IPC and CPC
H01J 29/82 Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements +1 CPC IPC+CPC Available in IPC and CPC