GB1327343A - High pressure mercury vapour discharge electric lamp - Google Patents

High pressure mercury vapour discharge electric lamp

Info

Publication number
GB1327343A
GB1327343A GB3915171A GB3915171A GB1327343A GB 1327343 A GB1327343 A GB 1327343A GB 3915171 A GB3915171 A GB 3915171A GB 3915171 A GB3915171 A GB 3915171A GB 1327343 A GB1327343 A GB 1327343A
Authority
GB
United Kingdom
Prior art keywords
high pressure
pressure mercury
mercury vapour
vapour discharge
electric lamp
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
GB3915171A
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.)
TDK Micronas GmbH
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
ITT Industries Inc
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 Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH
Publication of GB1327343A publication Critical patent/GB1327343A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/12Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/12Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/22Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent vapour of an alkali metal

Landscapes

  • Discharge Lamp (AREA)
GB3915171A 1970-08-27 1971-08-20 High pressure mercury vapour discharge electric lamp Expired GB1327343A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7031287A FR2102866A5 (enrdf_load_stackoverflow) 1970-08-27 1970-08-27

Publications (1)

Publication Number Publication Date
GB1327343A true GB1327343A (en) 1973-08-22

Family

ID=9060615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3915171A Expired GB1327343A (en) 1970-08-27 1971-08-20 High pressure mercury vapour discharge electric lamp

Country Status (6)

Country Link
US (1) US3740605A (enrdf_load_stackoverflow)
BE (1) BE771836A (enrdf_load_stackoverflow)
DE (1) DE2139078A1 (enrdf_load_stackoverflow)
FR (1) FR2102866A5 (enrdf_load_stackoverflow)
GB (1) GB1327343A (enrdf_load_stackoverflow)
NL (1) NL7111659A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE30831E (en) 1973-01-23 1981-12-22 Thorn Emi Limited Electric discharge devices
GB2197982A (en) * 1986-10-06 1988-06-02 Gen Electric Metal halide arc tube and lamp

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906274A (en) * 1971-12-27 1975-09-16 Gte Laboratories Inc Electrode discharge device with electrode-activating fill
GB1444023A (en) * 1973-01-23 1976-07-28 Thorn Electrical Ind Ltd Electric discharge lamps
JPS5225484A (en) * 1975-08-21 1977-02-25 Mitsubishi Electric Corp Mixing light illuminating method
JPS5314980A (en) * 1976-07-28 1978-02-10 Mitsubishi Electric Corp Mixed light illuminating method
JPS53125379A (en) * 1976-10-25 1978-11-01 Mitsubishi Electric Corp Mixed lights illumination method
US4360756A (en) * 1979-11-13 1982-11-23 General Electric Company Metal halide lamp containing ThI4 with added elemental cadmium or zinc
US4360758A (en) * 1981-01-23 1982-11-23 Westinghouse Electric Corp. High-intensity-discharge lamp of the mercury-metal halide type which efficiently illuminates objects with excellent color appearance
GB2183085A (en) * 1985-10-04 1987-05-28 Ushio Electric Inc Iron vapor discharge lamp
CA1310059C (en) * 1986-12-18 1992-11-10 William M. Keeffe Scandium oxide additions to metal halide lamps
KR950001852A (ko) * 1993-06-01 1995-01-04 에프.제이.스미트 고압금속 할로겐 램프
US6717364B1 (en) * 2000-07-28 2004-04-06 Matsushita Research & Development Labs Inc Thallium free—metal halide lamp with magnesium halide filling for improved dimming properties
JP2003257367A (ja) * 2002-03-06 2003-09-12 Koito Mfg Co Ltd ランプユニットおよびこれを用いた赤外線暗視システム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334261A (en) * 1965-10-24 1967-08-01 Sylvania Electric Prod High pressure discharge device having a fill including iodine mercury and at least one rare earth metal
US3514659A (en) * 1967-07-03 1970-05-26 Sylvania Electric Prod High pressure vapor discharge lamp with cesium iodide
US3407327A (en) * 1967-12-21 1968-10-22 Sylvania Electric Prod High pressure electric discharge device containing mercury, halogen, scandium and alkalimetal
US3530327A (en) * 1968-03-11 1970-09-22 Westinghouse Electric Corp Metal halide discharge lamps with rare-earth metal oxide used as electrode emission material
US3558963A (en) * 1968-08-16 1971-01-26 Gen Electric High-intensity vapor arc-lamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE30831E (en) 1973-01-23 1981-12-22 Thorn Emi Limited Electric discharge devices
GB2197982A (en) * 1986-10-06 1988-06-02 Gen Electric Metal halide arc tube and lamp
GB2197982B (en) * 1986-10-06 1990-09-19 Gen Electric Metal halide arc tube and lamp

Also Published As

Publication number Publication date
DE2139078A1 (de) 1972-03-02
NL7111659A (enrdf_load_stackoverflow) 1972-02-29
BE771836A (fr) 1972-02-28
FR2102866A5 (enrdf_load_stackoverflow) 1972-04-07
US3740605A (en) 1973-06-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee