H01J29/701 - CPC Classification Index

ClassID:

205051 ⎘

H01J29/701 - CPC Classification

Classification description:

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 Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least

Sub-classes:

H01J29/702 » {Convergence correction arrangements therefor} 1
H01J29/706 » {Deviation correction devices, i.e. having the same action on each beam} 0
H01J29/707 » {Arrangements intimately associated with parts of the gun and co-operating with external magnetic excitation devices} 0

Recent Application in this class:

20070222359

Color cathode-ray tube apparatus

20070182305

Cathode-ray tube apparatus

20060273708

Display device comprising a deflection unit and a deflection unit for a display device

20060181229

Deflection yoke for cathode ray tube

20050162058

Deflection yoke having magnets for correcting raster distortion and cathode-ray tube apparatus having the deflection yoke