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
Original Assignee
Compteurs Schlumberger SA
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Filing date
Publication date
Application filed by Compteurs Schlumberger SAfiledCriticalCompteurs Schlumberger SA
Application grantedgrantedCritical
Publication of FR799985ApublicationCriticalpatent/FR799985A/fr
H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
H01J29/80—Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching
FR799985D1935-03-291935-03-29écran fluorescent pour oscillographes cathodiques
ExpiredFR799985A
(fr)