GB445215A - Improvements in electric high-pressure metal-vapour discharge lamps and like electric discharge devices - Google Patents

Improvements in electric high-pressure metal-vapour discharge lamps and like electric discharge devices

Info

Publication number
GB445215A
GB445215A GB3615034A GB3615034A GB445215A GB 445215 A GB445215 A GB 445215A GB 3615034 A GB3615034 A GB 3615034A GB 3615034 A GB3615034 A GB 3615034A GB 445215 A GB445215 A GB 445215A
Authority
GB
United Kingdom
Prior art keywords
electric
pressure metal
discharge lamps
vapour
discharge devices
Prior art date
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
GB3615034A
Other languages
English (en)
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of GB445215A publication Critical patent/GB445215A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers

Landscapes

  • Discharge Lamps And Accessories Thereof (AREA)
  • Discharge Lamp (AREA)
GB3615034A 1934-12-08 1934-12-17 Improvements in electric high-pressure metal-vapour discharge lamps and like electric discharge devices Expired GB445215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP70441D DE630536C (de) 1934-12-08 1934-12-08 Elektrische Hochdruckmetalldampflampe

Publications (1)

Publication Number Publication Date
GB445215A true GB445215A (en) 1936-04-06

Family

ID=10385450

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3615034A Expired GB445215A (en) 1934-12-08 1934-12-17 Improvements in electric high-pressure metal-vapour discharge lamps and like electric discharge devices

Country Status (5)

Country Link
BE (1) BE412260A (OSRAM)
DE (1) DE630536C (OSRAM)
FR (1) FR797624A (OSRAM)
GB (1) GB445215A (OSRAM)
NL (1) NL41612C (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156830A (en) * 1975-05-13 1979-05-29 Duro-Test Corp. High intensity discharge lamp with integral means for arc extinguishing
US4208614A (en) * 1975-05-13 1980-06-17 Duro-Test Corp. High intensity discharge lamp with integral means for arc extinguishing
US4221993A (en) * 1976-03-22 1980-09-09 General Electric Company Discharge lamp having mechanical disconnect guard against jacket failure
US4090105A (en) * 1976-04-15 1978-05-16 Duro-Test Corporation High intensity discharge lamp with multiple filament to extinguish lamp when outer envelope breaks
AU557488B2 (en) * 1984-05-04 1986-12-24 Toshiba, Kabushiki Kaisha High-pressure metal vapour discharge lamp
US5327046A (en) * 1990-12-12 1994-07-05 North American Philips Corporation High pressure discharge lamp having overcurrent fuse protection

Also Published As

Publication number Publication date
BE412260A (OSRAM) 1936-12-31
FR797624A (fr) 1936-05-01
NL41612C (OSRAM) 1937-09-15
DE630536C (de) 1936-05-29

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