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Filing date
Publication date
Application filedfiledCritical
Publication of BE727711ApublicationCriticalpatent/BE727711A/xx
G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
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
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2229/00—Details of cathode ray tubes or electron beam tubes
H01J2229/89—Optical components associated with the vessel
H01J2229/8903—Fibre optic components
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2229/00—Details of cathode ray tubes or electron beam tubes
H01J2229/89—Optical components associated with the vessel
H01J2229/893—Optical components associated with the vessel using lenses
Landscapes
Physics & Mathematics
(AREA)
Astronomy & Astrophysics
(AREA)
General Physics & Mathematics
(AREA)
Optics & Photonics
(AREA)
Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes
(AREA)
