H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
Landscapes
Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes
(AREA)
Unite de deviation munie d'un ensemble d'aimants permanents servant a engendrer un champ multipolaire statique pour la simulation d'une modulation du champ de deviation dynamique et tube a rayons cathodiques comportant une telle unite de deviation