NL7505275A - HIGH PRESSURE MERCURY DISCHARGE LAMP. - Google Patents

HIGH PRESSURE MERCURY DISCHARGE LAMP.

Info

Publication number
NL7505275A
NL7505275A NL7505275A NL7505275A NL7505275A NL 7505275 A NL7505275 A NL 7505275A NL 7505275 A NL7505275 A NL 7505275A NL 7505275 A NL7505275 A NL 7505275A NL 7505275 A NL7505275 A NL 7505275A
Authority
NL
Netherlands
Prior art keywords
high pressure
discharge lamp
pressure mercury
mercury discharge
lamp
Prior art date
Application number
NL7505275A
Other languages
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of NL7505275A publication Critical patent/NL7505275A/en

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
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
NL7505275A 1974-05-09 1975-05-06 HIGH PRESSURE MERCURY DISCHARGE LAMP. NL7505275A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742422411 DE2422411A1 (en) 1974-05-09 1974-05-09 HIGH PRESSURE MERCURY VAPOR DISCHARGE LAMP

Publications (1)

Publication Number Publication Date
NL7505275A true NL7505275A (en) 1975-11-11

Family

ID=5915050

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7505275A NL7505275A (en) 1974-05-09 1975-05-06 HIGH PRESSURE MERCURY DISCHARGE LAMP.

Country Status (8)

Country Link
JP (1) JPS50152578A (en)
BE (1) BE828831A (en)
BR (1) BR7502888A (en)
DE (1) DE2422411A1 (en)
FR (1) FR2270673B1 (en)
GB (1) GB1498258A (en)
IT (1) IT1037912B (en)
NL (1) NL7505275A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0543624A1 (en) * 1991-11-21 1993-05-26 General Electric Company Metal halide discharge lamp

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231583A (en) * 1975-09-05 1977-03-10 Toshiba Corp Lamp discharging metallic fumes
DE2655167C2 (en) * 1976-12-06 1986-12-18 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München High pressure discharge lamp with metal halides
DE2725297C3 (en) * 1977-06-04 1980-10-16 Philips Patentverwaltung Gmbh, 2000 Hamburg High pressure mercury vapor discharge lamp
DD203430A1 (en) * 1982-01-19 1983-10-19 Kloss ELECTRODE STABILIZED HIGH-PRESSURE DISCHARGE LAMP WITH LIGHTING ACCESSORIES
DE3506295A1 (en) * 1985-02-22 1986-08-28 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München COMPACT HIGH PRESSURE DISCHARGE LAMP
US4801846A (en) * 1986-12-19 1989-01-31 Gte Laboratories Incorporated Rare earth halide light source with enhanced red emission
US5013968A (en) * 1989-03-10 1991-05-07 General Electric Company Reprographic metal halide lamps having long life and maintenance
US5256940A (en) * 1989-11-08 1993-10-26 Matsushita Electric Works, Ltd. High intensity discharge lamp device
JPH03152852A (en) * 1989-11-08 1991-06-28 Matsushita Electric Works Ltd Discharge lamp of high brightness and electrodeless discharge lamp device
DE4132530A1 (en) * 1991-09-30 1993-04-01 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh HIGH PRESSURE DISCHARGE LAMP WITH LOW POWER
DE69201339T3 (en) * 1991-11-21 1999-03-04 Ushio Electric Inc Metal vapor discharge lamp.
US5451838A (en) * 1994-03-03 1995-09-19 Hamamatsu Photonics K.K. Metal halide lamp
DE19645959A1 (en) * 1996-11-07 1998-05-14 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metal halide high pressure discharge lamp
CA2274199A1 (en) * 1998-11-10 2000-05-10 Osram Sylvania Inc. Arc discharge lamp containing barium having improved arc tube
US6731068B2 (en) * 2001-12-03 2004-05-04 General Electric Company Ceramic metal halide lamp
CN1650394A (en) * 2002-01-15 2005-08-03 皇家飞利浦电子股份有限公司 Metal-halide lamp
US7268495B2 (en) * 2005-01-21 2007-09-11 General Electric Company Ceramic metal halide lamp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1444023A (en) * 1973-01-23 1976-07-28 Thorn Electrical Ind Ltd Electric discharge lamps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0543624A1 (en) * 1991-11-21 1993-05-26 General Electric Company Metal halide discharge lamp

Also Published As

Publication number Publication date
DE2422411A1 (en) 1975-12-11
JPS50152578A (en) 1975-12-08
FR2270673B1 (en) 1979-04-06
IT1037912B (en) 1979-11-20
GB1498258A (en) 1978-01-18
BE828831A (en) 1975-11-07
FR2270673A1 (en) 1975-12-05
BR7502888A (en) 1976-03-16

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Legal Events

Date Code Title Description
BC A request for examination has been filed
BV The patent application has lapsed