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Application filed by Licentia GmbhfiledCriticalLicentia Gmbh
Publication of CH202778ApublicationCriticalpatent/CH202778A/de
H01J17/00—Gas-filled discharge tubes with solid cathode
H01J17/50—Thermionic-cathode tubes
H01J17/52—Thermionic-cathode tubes with one cathode and one anode
H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
H01J17/56—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes for preventing and then permitting ignition, but thereafter having no control
CH202778D1936-09-151937-09-09Gittergesteuertes Entladungsgefäss mit Dampf- oder Gasfüllung und Lichtbogen oder lichtbogenartiger Entladung.
CH202778A
(de)