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H01J17/00—Gas-filled discharge tubes with solid cathode
H01J17/02—Details
H01J17/04—Electrodes; Screens
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J17/00—Gas-filled discharge tubes with solid cathode
H01J17/38—Cold-cathode tubes
H01J17/40—Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes
H01J17/44—Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes having one or more control electrodes
An Wechselspannung liegende Zeitschalteinrichtung, insbesondere fuer Roentgenroehren, bei der eine gas- oder dampfgefuellte Entladungsroehre durch die allmaehlich sich aendernde Ladung eines am Gitter liegenden Kondensators fuer eine einstellbare Anzahl von Halbwellen gezuendet wird
Dispositif pour maintenir constante et pour régler la tension, l'intensité ou la puissance d'un système de courant, au moyen de tubes de décharge contrôlés par une électrode auxiliaire