H01J2229/5687 - CPC Classification Index

ClassID:

206127 ⎘

H01J2229/5687 - CPC Classification

Classification description:

Details of cathode ray tubes or electron beam tubes; Correction of beam optics using supplementary correction devices magnetic Auxiliary coils

Sub-classes:

H01J2229/5688 » Velocity modulation 8

Recent Application in this class:

20090108729

Magnetic Field Compensation Apparatus for Cathode Ray Tube

20050174035

Deflection yoke for correcting misconvergence

20050001941

Deflection yoke and color picture tube apparatus