GB2000637B - High pressure metal vapour discharge lamps of improved efficacy - Google Patents

High pressure metal vapour discharge lamps of improved efficacy

Info

Publication number
GB2000637B
GB2000637B GB7828756A GB7828756A GB2000637B GB 2000637 B GB2000637 B GB 2000637B GB 7828756 A GB7828756 A GB 7828756A GB 7828756 A GB7828756 A GB 7828756A GB 2000637 B GB2000637 B GB 2000637B
Authority
GB
United Kingdom
Prior art keywords
high pressure
discharge lamps
improved efficacy
pressure metal
vapour discharge
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
GB7828756A
Other versions
GB2000637A (en
Inventor
Daniel Michael Cap
William Harold Lake
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.)
General Electric Co
Original Assignee
General Electric Co
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
Priority claimed from US05/912,628 external-priority patent/US4161672A/en
Application filed by General Electric Co filed Critical General Electric Co
Publication of GB2000637A publication Critical patent/GB2000637A/en
Application granted granted Critical
Publication of GB2000637B publication Critical patent/GB2000637B/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
GB7828756A 1977-07-05 1978-07-04 High pressure metal vapour discharge lamps of improved efficacy Expired GB2000637B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81247977A 1977-07-05 1977-07-05
US05/912,628 US4161672A (en) 1977-07-05 1978-06-05 High pressure metal vapor discharge lamps of improved efficacy

Publications (2)

Publication Number Publication Date
GB2000637A GB2000637A (en) 1979-01-10
GB2000637B true GB2000637B (en) 1982-03-03

Family

ID=27123615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7828756A Expired GB2000637B (en) 1977-07-05 1978-07-04 High pressure metal vapour discharge lamps of improved efficacy

Country Status (14)

Country Link
JP (1) JPS5463567A (en)
AU (1) AU505333B1 (en)
BR (1) BR7804360A (en)
CA (1) CA1111483A (en)
CH (1) CH635957A5 (en)
DD (1) DD138925A5 (en)
DE (1) DE2826733C2 (en)
ES (1) ES471432A1 (en)
FR (1) FR2397066A1 (en)
GB (1) GB2000637B (en)
IT (1) IT1096968B (en)
MX (1) MX145363A (en)
NL (1) NL187327C (en)
SE (1) SE435333B (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161672A (en) * 1977-07-05 1979-07-17 General Electric Company High pressure metal vapor discharge lamps of improved efficacy
US4199701A (en) * 1978-08-10 1980-04-22 General Electric Company Fill gas for miniature high pressure metal vapor arc lamp
GB2043331B (en) * 1978-12-26 1982-11-17 Gen Electric Electrode for high pressure metal-vapour lamp
US4275329A (en) 1978-12-29 1981-06-23 General Electric Company Electrode with overwind for miniature metal vapor lamp
JPS5654566U (en) * 1979-10-03 1981-05-13
US4360756A (en) * 1979-11-13 1982-11-23 General Electric Company Metal halide lamp containing ThI4 with added elemental cadmium or zinc
US4574218A (en) * 1979-12-20 1986-03-04 General Electric Company Metal vapor lamp having internal means promoting condensate film formation
US4308483A (en) * 1980-03-24 1981-12-29 Gte Products Corporation High brightness, low wattage, high pressure, metal vapor discharge lamp
US4396857A (en) * 1980-07-01 1983-08-02 General Electric Company Arc tube construction
US4355261A (en) * 1980-12-15 1982-10-19 Gte Products Corporation Discharge lamp with integral starter
JPS57136758A (en) * 1981-02-18 1982-08-23 Toshiba Corp Metal halide lamp
US4387319A (en) * 1981-03-30 1983-06-07 General Electric Company Metal halide lamp containing ScI3 with added cadmium or zinc
JPS5880258A (en) * 1981-11-06 1983-05-14 Toshiba Corp Compact metal halide lamp
DD203430A1 (en) * 1982-01-19 1983-10-19 Kloss ELECTRODE STABILIZED HIGH-PRESSURE DISCHARGE LAMP WITH LIGHTING ACCESSORIES
GB2122024B (en) * 1982-05-28 1986-01-29 Gen Electric Co Plc Lamp stems
NL184550C (en) * 1982-12-01 1989-08-16 Philips Nv GAS DISCHARGE LAMP.
US4724361A (en) * 1984-12-14 1988-02-09 Matsushita Electric Works, Ltd. High pressure discharge lamp
NL191812C (en) * 1987-09-04 1996-08-02 Philips Electronics Nv High-pressure gas discharge lamp and luminaire fitted with that lamp.
JPH0762993B2 (en) * 1987-09-21 1995-07-05 東芝ライテック株式会社 Metal halide lamp
US5083059A (en) * 1990-12-31 1992-01-21 Welch Allyn, Inc. Electrode for metal halide discharge lamp
US5138228A (en) * 1990-12-31 1992-08-11 Welch Allyn, Inc. Bulb geometry for low power metal halide lamp
US5708328A (en) * 1992-06-03 1998-01-13 General Electric Company Universal burn metal halide lamp
DE69608089T2 (en) * 1996-01-11 2000-09-14 Osram Sylvania Inc Metal halide lamp
EP0837492A3 (en) * 1996-10-16 1998-05-27 Osram Sylvania Inc. High intensity discharge lamp with intermediate pressure xenon fill gas
JPH10134775A (en) * 1996-10-31 1998-05-22 Ushio Inc Metal halide lamp
JP4316699B2 (en) * 1997-07-25 2009-08-19 ハリソン東芝ライティング株式会社 High pressure discharge lamp and lighting device
JP3789279B2 (en) * 2000-03-10 2006-06-21 Ｎｅｃマイクロ波管株式会社 High pressure discharge lamp
US20050194908A1 (en) * 2004-03-04 2005-09-08 General Electric Company Ceramic metal halide lamp with optimal shape

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1052612A (en) * 1964-03-03
GB1282805A (en) * 1969-08-08 1972-07-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High pressure mercury vapour discharge lamp with a metal halide additive
GB1490213A (en) * 1975-05-19 1977-10-26 Gen Electric Co Ltd High pressure electric discharge lamps

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE440887A (en) * 1938-09-10
NL6408551A (en) * 1964-07-25 1966-01-26
GB1444023A (en) * 1973-01-23 1976-07-28 Thorn Electrical Ind Ltd Electric discharge lamps
JPS554929Y2 (en) * 1973-10-27 1980-02-05
JPS5186283A (en) * 1975-01-24 1976-07-28 Tokyo Shibaura Electric Co METARUHARAIDOR ANPU
JPS5186282A (en) * 1975-01-24 1976-07-28 Tokyo Shibaura Electric Co METARUHARAIDOR ANPU
DE2519377A1 (en) * 1975-04-30 1976-11-11 Patra Patent Treuhand MERCURY VAPOR HIGH PRESSURE DISCHARGE LAMP

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1052612A (en) * 1964-03-03
GB1282805A (en) * 1969-08-08 1972-07-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High pressure mercury vapour discharge lamp with a metal halide additive
GB1490213A (en) * 1975-05-19 1977-10-26 Gen Electric Co Ltd High pressure electric discharge lamps

Also Published As

Publication number Publication date
SE7807546L (en) 1979-01-06
CA1111483A (en) 1981-10-27
GB2000637A (en) 1979-01-10
NL187327B (en) 1991-03-18
IT7825361A0 (en) 1978-07-05
BR7804360A (en) 1979-04-03
DE2826733C2 (en) 1982-07-29
AU505333B1 (en) 1979-11-15
MX145363A (en) 1982-01-27
FR2397066B1 (en) 1981-10-23
NL7807285A (en) 1979-01-09
ES471432A1 (en) 1979-10-01
IT1096968B (en) 1985-08-26
JPS5463567A (en) 1979-05-22
NL187327C (en) 1991-08-16
SE435333B (en) 1984-09-17
FR2397066A1 (en) 1979-02-02
DD138925A5 (en) 1979-11-28
DE2826733A1 (en) 1979-01-18
CH635957A5 (en) 1983-04-29
JPS6253904B2 (en) 1987-11-12

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19980703