AU1824924A - Improvements in or relating tp electric discharge tubes having an incandescent cathode, an anode and one or more grid-shaped electrodes
- Google Patents
Improvements in or relating tp electric discharge tubes having an incandescent cathode, an anode and one or more grid-shaped electrodes
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.)
Expired
Application number
AU18249/24A
Inventor
Bill Cornelis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of AU1824924ApublicationCriticalpatent/AU1824924A/en
AU18249/24A1924-06-17Improvements in or relating tp electric discharge tubes having an incandescent cathode, an anode and one or more grid-shaped electrodes
ExpiredAU1824924A
(en)
Improvements in or relating togas filled discharge tubes comprising an incandescent cathode, preferably an oxide cathode and one or more anodes mounted in arms
Improvements in or relating tothe construction of electric discharge devices ofthe type comprising an innertube, outer envelope and intermediate sheath