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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Compteurs Schlumberger SA
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Compteurs Schlumberger SA
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Application filed by Compteurs Schlumberger SAfiledCriticalCompteurs Schlumberger SA
Application grantedgrantedCritical
Publication of FR1184065ApublicationCriticalpatent/FR1184065A/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
H01J31/26—Image pick-up tubes having an input of visible light and electric output
H01J31/28—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen
H01J31/34—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen having regulation of screen potential at cathode potential, e.g. orthicon
H01J31/38—Tubes with photoconductive screen, e.g. vidicon
FR1184065D1957-10-081957-10-08Perfectionnements aux caméras de télévision
ExpiredFR1184065A
(fr)