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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Farnsworth Television Inc
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Farnsworth Television Inc
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Publication date
Application filed by Farnsworth Television IncfiledCriticalFarnsworth Television Inc
Application grantedgrantedCritical
Publication of FR803420ApublicationCriticalpatent/FR803420A/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
H01J31/42—Image pick-up tubes having an input of visible light and electric output with image screen generating a composite electron beam which is deflected as a whole past a stationary probe to simulate a scanning effect, e.g. Farnsworth pick-up tube
FR803420D1935-03-131936-03-13Tube à faisceau cathodique, en particulier pour l'analyse d'images en télévision
ExpiredFR803420A
(fr)
Dispositif pour l'obtention d'un tracé en dents de scie de la caractéristique d'un courant, en particulier pour la déviation magnétique dans des tubes à courants cathodiques pour oscillographes et pour la télévision