H01J2229/89 - CPC Classification Index

ClassID:

206169 ⎘

H01J2229/89 - CPC Classification

Classification description:

Details of cathode ray tubes or electron beam tubes Optical components associated with the vessel

Sub-classes:

H01J2229/8901 » Fixing of optical components to the vessel 1
H01J2229/8903 » Fibre optic components 1
H01J2229/8905 » Direction sensitive devices for controlled viewing angle 0
H01J2229/8907 » Image projection devices 2
H01J2229/8909 » Baffles, shutters, apertures or the like against external light 0
H01J2229/8913 » Anti-reflection, anti-glare, viewing angle and contrast improving treatments or devices 9
H01J2229/8924 » having particular properties for protecting the vessel, e.g. against abrasion, water or shock 1
H01J2229/8926 » Active components, e.g. LCD's, indicators, illuminators and moving devices 7
H01J2229/8928 » Laser CRTs 4
H01J2229/893 » using lenses 1
H01J2229/899 » Photographic devices (permanent recording of images) 0