EP0245735A3 - High-pressure discharge lamp, and method of operating the high-pressure discharge lamp - Google Patents

High-pressure discharge lamp, and method of operating the high-pressure discharge lamp Download PDF

Info

Publication number
EP0245735A3
EP0245735A3 EP87106403A EP87106403A EP0245735A3 EP 0245735 A3 EP0245735 A3 EP 0245735A3 EP 87106403 A EP87106403 A EP 87106403A EP 87106403 A EP87106403 A EP 87106403A EP 0245735 A3 EP0245735 A3 EP 0245735A3
Authority
EP
European Patent Office
Prior art keywords
discharge lamp
pressure discharge
operating
pressure
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.)
Granted
Application number
EP87106403A
Other languages
German (de)
Other versions
EP0245735B1 (en
EP0245735A2 (en
Inventor
Jurgen Dr. Heider
Jurgen Dr. Vom Scheidt
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 EP0245735A2 publication Critical patent/EP0245735A2/en
Publication of EP0245735A3 publication Critical patent/EP0245735A3/en
Application granted granted Critical
Publication of EP0245735B1 publication Critical patent/EP0245735B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • 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
    • H01J61/827—Metal halide arc lamps
EP87106403A 1986-05-14 1987-05-04 High-pressure discharge lamp, and method of operating the high-pressure discharge lamp Expired - Lifetime EP0245735B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863616192 DE3616192A1 (en) 1986-05-14 1986-05-14 HIGH PRESSURE DISCHARGE LAMP AND METHOD FOR OPERATING THE HIGH PRESSURE DISCHARGE LAMP
DE3616192 1986-05-14

Publications (3)

Publication Number Publication Date
EP0245735A2 EP0245735A2 (en) 1987-11-19
EP0245735A3 true EP0245735A3 (en) 1989-11-02
EP0245735B1 EP0245735B1 (en) 1993-02-10

Family

ID=6300789

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87106403A Expired - Lifetime EP0245735B1 (en) 1986-05-14 1987-05-04 High-pressure discharge lamp, and method of operating the high-pressure discharge lamp

Country Status (4)

Country Link
US (1) US4779026A (en)
EP (1) EP0245735B1 (en)
JP (1) JPS62272451A (en)
DE (2) DE3616192A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060255741A1 (en) * 1997-06-06 2006-11-16 Harison Toshiba Lighting Corporation Lightening device for metal halide discharge lamp
JP4297227B2 (en) * 1998-07-24 2009-07-15 ハリソン東芝ライティング株式会社 High pressure discharge lamp and lighting device
US6501231B1 (en) 2001-07-09 2002-12-31 Amglo Kemlite Laboratories, Inc. Metal halide lightbulb strobe system
GB2423862A (en) * 2005-03-04 2006-09-06 Heraeus Noblelight Ltd High-pressure discharge lamp having constructional details for reducing devitrification of glass
US8754576B2 (en) 2012-09-28 2014-06-17 Elwha Llc Low pressure lamp using non-mercury materials

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH149489A (en) * 1930-06-06 1931-09-15 Hump Hairpin Manufacturing Com Elastic hairpin with two legs.
US3356884A (en) * 1964-06-30 1967-12-05 Westinghouse Electric Corp Electrode starting arrangement having a coiled heating element connected to the retroverted portion of the electrode
EP0017281A1 (en) * 1979-04-03 1980-10-15 Koninklijke Philips Electronics N.V. High-pressure discharge lamp
GB2066237A (en) * 1979-12-28 1981-07-08 Philips Nv Glass compositions

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519872A (en) * 1967-05-17 1970-07-07 Westinghouse Electric Corp Thermionic electrode with an auxiliary starting coil for a discharge lamp
US3937996A (en) * 1974-10-07 1976-02-10 General Electric Company Metal halide lamp using loop electrodes
CA1267188A (en) * 1984-08-24 1990-03-27 John A. Scholz Metal vapor lamp having low starting voltage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH149489A (en) * 1930-06-06 1931-09-15 Hump Hairpin Manufacturing Com Elastic hairpin with two legs.
US3356884A (en) * 1964-06-30 1967-12-05 Westinghouse Electric Corp Electrode starting arrangement having a coiled heating element connected to the retroverted portion of the electrode
EP0017281A1 (en) * 1979-04-03 1980-10-15 Koninklijke Philips Electronics N.V. High-pressure discharge lamp
GB2066237A (en) * 1979-12-28 1981-07-08 Philips Nv Glass compositions

Also Published As

Publication number Publication date
EP0245735B1 (en) 1993-02-10
JPS62272451A (en) 1987-11-26
DE3784094D1 (en) 1993-03-25
EP0245735A2 (en) 1987-11-19
DE3616192A1 (en) 1987-11-19
US4779026A (en) 1988-10-18

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