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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ROBINSON JOHN ALOYSIUS
Original Assignee
ROBINSON JOHN ALOYSIUS
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Publication date
Application filed by ROBINSON JOHN ALOYSIUSfiledCriticalROBINSON JOHN ALOYSIUS
Publication of ES134654A1publicationCriticalpatent/ES134654A1/es
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
ES0134654A1934-03-231934-06-02PERFECCIONAMIENTOS INTRODUCIDOS EN LOS DISPOSITIVOS DE DESCARGA IoNICA Y EL CIRCUITO PARA LOS MISMOS
ExpiredES134654A1
(es)