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.)
Publication of BE474980ApublicationCriticalpatent/BE474980A/xx
G02B17/00—Systems with reflecting surfaces, with or without refracting elements
G02B17/08—Catadioptric systems
G02B17/0884—Catadioptric systems having a pupil corrector
G—PHYSICS
G02—OPTICS
G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
G02B17/00—Systems with reflecting surfaces, with or without refracting elements
G02B17/08—Catadioptric systems
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
H01J29/86—Vessels; Containers; Vacuum locks
H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
H01J29/894—Arrangements combined with the vessel for the purpose of image projection on a screen
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N5/00—Details of television systems
H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
H04N5/7425—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being a dielectric deformable layer controlled by an electron beam, e.g. eidophor projector