H01J2231/12 - CPC Classification Index

ClassID:

206198 ⎘

H01J2231/12 - CPC Classification

Classification description:

Cathode ray tubes or electron beam tubes CRTs having luminescent screens

Sub-classes:

H01J2231/121 » Means for indicating the position of the beam, e.g. beam indexing 0
H01J2231/125 » with a plurality of electron guns within the tube envelope 0

Recent Application in this class:

20070069235

Light-emitting element

20070040490

Cathode ray tube