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.)
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CEDEL
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CEDEL
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Application filed by CEDELfiledCriticalCEDEL
Application grantedgrantedCritical
Publication of FR1149236ApublicationCriticalpatent/FR1149236A/fr
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
H01J31/122—Direct viewing storage tubes without storage grid