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Philips Intellectual Property and Standards GmbH
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Philips Patentverwaltung GmbH
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Application filed by Philips Patentverwaltung GmbHfiledCriticalPhilips Patentverwaltung GmbH
Application grantedgrantedCritical
Publication of DE665414CpublicationCriticalpatent/DE665414C/de
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
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Solid Thermionic Cathode
(AREA)
Cathode-Ray Tubes And Fluorescent Screens For Display
(AREA)
DEN26449D1926-04-061926-10-12Verfahren zur Herstellung einer Oxydkathode
ExpiredDE665414C
(de)
Innerer Stromleiter für halogengefüllte Glühlampen, insbesondere für mit Krummrohrgehäuse hergestellte Lampen, und mit dem inneren Stromleiter hergestellte Glühlampe.
Indirekt geheizte Kathode mit einem einen aktiven Kathodenueberzug tragenden Kathodenroehrchen und einem den Heizer innerhalb des Roehrchens abstuetzenden Abstandshalter