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ELECTRONIQUE SOC GEN
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ELECTRONIQUE SOC GEN
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Application filed by ELECTRONIQUE SOC GENfiledCriticalELECTRONIQUE SOC GEN
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Publication of FR66349EpublicationCriticalpatent/FR66349E/en
H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
H01J29/12—Screens on or from which an image or pattern is formed, picked up, converted or stored acting as light valves by shutter operation, e.g. for eidophor
FR66349D1954-05-261954-05-26
Device for projecting television images on a large screen
ExpiredFR66349E
(en)