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.)
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
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Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of ES205729A1publicationCriticalpatent/ES205729A1/en
Vessels And Coating Films For Discharge Lamps
(AREA)
Abstract
Tubular discharge lamp more especially a fluorescent lamp comprising two main electrodes activated at least one auxiliary electrode of resistive material which is disposed on the inner wall of the discharge vessel is connected to one of the main electrodes within the discharge space extends at less than one third of the length of the discharge vessel characterized in that the discharge vessel is in the form of a ring and in that the auxiliary electrode is arranged on the adjacent surfaces of the ring at points that are spaced from the minimum inner circumference of the container ring discharge in a distance not greater than 1/8, preferably 1/15 of the inner circumference of the tube and in the case of only one auxiliary electrode are preferably substantially in the plane passing through the center line of the ring. (Machine-translation by Google Translate, not legally binding)
ES0205729A1951-10-131952-10-10A tubular discharge lamp (Machine-translation by Google Translate, not legally binding)
ExpiredES205729A1
(en)
Improved improvements in the manufacture of compact source mercury vapor discharge lamps (Machine-translation by Google Translate, not legally binding)