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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LAMPE OSRAM
Original Assignee
LAMPE OSRAM
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Filing date
Publication date
Application filed by LAMPE OSRAMfiledCriticalLAMPE OSRAM
Application grantedgrantedCritical
Publication of FR457228ApublicationCriticalpatent/FR457228A/fr
H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
H01J13/02—Details
H01J13/28—Selection of substances for gas filling; Means for obtaining the desired pressure within the tube
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J61/00—Gas-discharge or vapour-discharge lamps
H01J61/58—Lamps with both liquid anode and liquid cathode
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2893/00—Discharge tubes and lamps
H01J2893/0072—Disassembly or repair of discharge tubes
H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
H01J2893/0074—Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
H01J2893/0086—Gas fill; Maintaining or maintaining desired pressure; Producing, introducing or replenishing gas or vapour during operation of the tube; Getters; Gas cleaning; Electrode cleaning
FR457228D1913-02-041913-04-29Lampe à arc à vapeurs métalliques et son procédé de fonctionnement
ExpiredFR457228A
(fr)