H01J2229/003 - CPC Classification Index

ClassID:

206054 ⎘

H01J2229/003 - CPC Classification

Classification description:

Details of cathode ray tubes or electron beam tubes; Elimination of unwanted or stray electromagnetic effects Preventing or cancelling fields entering the enclosure

Sub-classes:

H01J2229/0038 » Active means 1

Recent Application in this class:

20070236128

2007-10-11

Device for Fixing an Internal Magnetic Screen to a Frame

20060181191

2006-08-17

Inner shield for slim cathode ray tubes

20050242754

2005-11-03

Projection display apparatus and magnetic shield device

20050242699

2005-11-03

Internal magnetic shield for crt

20050162057

2005-07-28

Cathode ray tube with improved, stackable interal magnetic shield