Arrangements for deflecting ray or beam

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 > Arrangements for deflecting ray or beam

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 > Arrangements for deflecting ray or beam

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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H01J 29/701 +3 CPC CPC only CPC only
H01J 29/708 CPC only CPC only
H01J 29/72 along one straight line or along two perpendicular straight lines IPC+CPC Available in IPC and CPC
H01J 29/78 along a circle, spiral or rotating radial line, e.g. for radar display IPC+CPC Available in IPC and CPC