GB1558508A - High pressure mercury vapour discharge lamp with metal halide additive for horizontal operating position - Google Patents

High pressure mercury vapour discharge lamp with metal halide additive for horizontal operating position Download PDF

Info

Publication number
GB1558508A
GB1558508A GB3358276A GB3358276A GB1558508A GB 1558508 A GB1558508 A GB 1558508A GB 3358276 A GB3358276 A GB 3358276A GB 3358276 A GB3358276 A GB 3358276A GB 1558508 A GB1558508 A GB 1558508A
Authority
GB
United Kingdom
Prior art keywords
arc tube
lamp
heat absorbing
reflecting
electrodes
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
GB3358276A
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 GB1558508A publication Critical patent/GB1558508A/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
    • H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/045—Thermic screens or reflectors

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
GB3358276A 1975-08-12 1976-08-12 High pressure mercury vapour discharge lamp with metal halide additive for horizontal operating position Expired GB1558508A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752535921 DE2535921A1 (de) 1975-08-12 1975-08-12 Quecksilberdampf-hochdruckentladungslampe mit zusatz von metallhalogeniden fuer horizontale brennlage

Publications (1)

Publication Number Publication Date
GB1558508A true GB1558508A (en) 1980-01-03

Family

ID=5953817

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3358276A Expired GB1558508A (en) 1975-08-12 1976-08-12 High pressure mercury vapour discharge lamp with metal halide additive for horizontal operating position

Country Status (3)

Country Link
DE (1) DE2535921A1 (de)
FR (1) FR2321187A1 (de)
GB (1) GB1558508A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161286A (en) * 1984-07-07 1986-01-08 Ushio Electric Inc Controlled light emission
GB2294580A (en) * 1994-10-31 1996-05-01 Gen Electric Light source

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL178107C (nl) * 1977-12-23 1986-01-16 Philips Nv Hogedrukontladingslamp.
DE19843418A1 (de) * 1998-09-22 2000-03-23 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Hochdruckentladungslampe und zugehöriges Beleuchtungssystem
DE20307607U1 (de) * 2003-05-15 2004-09-23 Zumtobel Staff Gmbh Beleuchtungsanordnung bestehend aus einer Gasentladungslampe und einer Abschirmhülse

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161286A (en) * 1984-07-07 1986-01-08 Ushio Electric Inc Controlled light emission
GB2294580A (en) * 1994-10-31 1996-05-01 Gen Electric Light source
GB2294580B (en) * 1994-10-31 1998-07-01 Gen Electric Light source

Also Published As

Publication number Publication date
FR2321187B3 (de) 1979-05-04
DE2535921A1 (de) 1977-03-03
FR2321187A1 (fr) 1977-03-11

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee