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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Individual
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Individual
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Publication date
Priority to NL26814DpriorityCriticalpatent/NL26814C/xx
Application filed by IndividualfiledCriticalIndividual
Priority to DEL73626Dprioritypatent/DE630853C/de
Application grantedgrantedCritical
Publication of DE630853CpublicationCriticalpatent/DE630853C/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
H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
Anordnung zur Vermeidung von Stromuebergaengen zwischen den innerhalb eines Isolierknueppels angeordneten Durchfuehrungen von Steuergitter und Anode von Elektronenroehren