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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Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
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Publication date
Application filed by Associated Electrical Industries LtdfiledCriticalAssociated Electrical Industries Ltd
Priority to FR825012ApriorityCriticalpatent/FR1257297A/fr
Application grantedgrantedCritical
Publication of FR1257297ApublicationCriticalpatent/FR1257297A/fr
H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
H01J1/02—Main electrodes
H01J1/13—Solid thermionic cathodes
H01J1/14—Solid thermionic cathodes characterised by the material
FR825012A1960-04-221960-04-22Perfectionnements aux cathodes thermioniques pour tubes électroniques
ExpiredFR1257297A
(fr)