Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OREGA CIFTE
Original Assignee
OREGA CIFTE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by OREGA CIFTEfiledCriticalOREGA CIFTE
Priority to FR7233119ApriorityCriticalpatent/FR2199596B1/fr
Publication of FR2199596A1publicationCriticalpatent/FR2199596A1/fr
Application grantedgrantedCritical
Publication of FR2199596B1publicationCriticalpatent/FR2199596B1/fr
G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J31/00—Cathode ray tubes; Electron beam tubes
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
H01J31/24—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with screen acting as light valve by shutter operation, e.g. eidophor