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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H01J 29/78

along a circle, spiral or rotating radial line, e.g. for radar display

Introduced: September 1968

Title

Titles differ between systems:

IPC: along a circle, spiral, or rotating radial line, e.g. for radar display

CPC: along a circle, spiral or rotating radial line, e.g. for radar display

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 > along a circle, spiral, or rotating radial line, e.g. for radar display

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 > along a circle, spiral or rotating radial line, e.g. for radar display

No child classifications to compare. This is a leaf node in both IPC and CPC.