H01J31/02 - CPC Classification Index

ClassID:

205098 ⎘

H01J31/02 - CPC Classification

Classification description:

Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused

Sub-classes:

H01J31/04 » with only one or two output electrodes {with only two electrically independant groups or electrodes} 5
H01J31/06 » with more than two output electrodes, e.g. for multiple switching or counting 3

Recent Application in this class:

20200013576

2020-01-09

High energy X-ray generation without the use of a high voltage power supply

20170296844

2017-10-19

Beam position monitors for medical radiation machines