H01J31/58 - CPC Classification

Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output

• H01J31/585 » {Monoscopes } 0
• H01J31/60 » having means for deflecting, either selectively or sequentially, an electron ray on to separate surface elements of the screen 3
• H01J31/66 » having means for allowing all but selected cross-section elements of a homogeneous electron beam to reach corresponding elements of the screen, e.g. selectron 0
• H01J31/68 » in which the information pattern represents two or more colours 0