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
Application grantedgrantedCritical
Publication of FR749327ApublicationCriticalpatent/FR749327A/en
H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
H01J61/547—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode outside the vessel
FR749327D1932-01-151933-01-14
Discharge tube comprising incandescent electrodes heated by the discharge and an atmosphere of gas or vapor
ExpiredFR749327A
(en)