H01J2229/5688 - CPC Classification Index

ClassID:

206128 ⎘

H01J2229/5688 - CPC Classification

Classification description:

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

Recent Application in this class:

20070040490

2007-02-22

Cathode ray tube

20050275332

2005-12-15

Velocity modulation coil apparatus and cathode-ray tube apparatus

20050242754

2005-11-03

Projection display apparatus and magnetic shield device

20050225268

2005-10-13

Cathode ray tube device and a television set using the same

20050206329

2005-09-22

Cathode-ray tube apparatus

20050200263

2005-09-15

Cathode-ray tube apparatus with magnetic spacers between magnetic rings

20050189862

2005-09-01

Electron gun for cathode ray tube having SVM coil and cathode ray tube having the electron gun

20050007040

2005-01-13

Active landing control system for raster based devices