EP0269958A3 - High-pressure discharge lamp having a single pinch - Google Patents

High-pressure discharge lamp having a single pinch Download PDF

Info

Publication number
EP0269958A3
EP0269958A3 EP87117107A EP87117107A EP0269958A3 EP 0269958 A3 EP0269958 A3 EP 0269958A3 EP 87117107 A EP87117107 A EP 87117107A EP 87117107 A EP87117107 A EP 87117107A EP 0269958 A3 EP0269958 A3 EP 0269958A3
Authority
EP
European Patent Office
Prior art keywords
discharge lamp
pressure discharge
single pinch
pinch
pressure
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
EP87117107A
Other languages
German (de)
Other versions
EP0269958A2 (en
EP0269958B1 (en
Inventor
Achim Gosslar
Jurgen Dr. Heider
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 EP0269958A2 publication Critical patent/EP0269958A2/en
Publication of EP0269958A3 publication Critical patent/EP0269958A3/en
Application granted granted Critical
Publication of EP0269958B1 publication Critical patent/EP0269958B1/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
    • H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
EP87117107A 1986-12-01 1987-11-19 High-pressure discharge lamp having a single pinch Expired - Lifetime EP0269958B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3640990 1986-12-01
DE19863640990 DE3640990A1 (en) 1986-12-01 1986-12-01 HIGH PRESSURE DISCHARGE LAMP, SEMI-SIDED

Publications (3)

Publication Number Publication Date
EP0269958A2 EP0269958A2 (en) 1988-06-08
EP0269958A3 true EP0269958A3 (en) 1989-10-11
EP0269958B1 EP0269958B1 (en) 1993-02-10

Family

ID=6315196

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87117107A Expired - Lifetime EP0269958B1 (en) 1986-12-01 1987-11-19 High-pressure discharge lamp having a single pinch

Country Status (4)

Country Link
US (1) US4937495A (en)
EP (1) EP0269958B1 (en)
JP (1) JPS63148530A (en)
DE (2) DE3640990A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4998036A (en) * 1987-12-17 1991-03-05 Kabushiki Kaisha Toshiba Metal vapor discharge lamp containing an arc tube with particular bulb structure
EP0381035B1 (en) * 1989-01-31 1994-08-03 Toshiba Lighting & Technology Corporation Single side-sealed metal vapor discharge lamp
JP2668434B2 (en) * 1989-01-31 1997-10-27 東芝ライテック株式会社 Metal halide lamp
NL9500350A (en) * 1994-02-25 1995-10-02 Ushio Electric Inc Metal halide lamp with a one-piece arrangement of a front cover and a reflector.
JP3211654B2 (en) * 1996-03-14 2001-09-25 松下電器産業株式会社 High pressure discharge lamp
JP3596453B2 (en) * 2000-09-28 2004-12-02 ウシオ電機株式会社 Short arc discharge lamp
DE10318051A1 (en) * 2003-04-17 2004-11-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH halogen bulb
DE102007061514A1 (en) * 2007-12-20 2009-06-25 Osram Gesellschaft mit beschränkter Haftung Electrode for a high-pressure discharge lamp and method for its production
KR101500092B1 (en) 2013-06-26 2015-03-06 현대자동차주식회사 Apparatus for preventing passive task-related fatigue of driver and method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072412A (en) * 1980-03-24 1981-09-30 Gte Prod Corp Electrode geometry to improve arc stability
GB2126415A (en) * 1982-08-30 1984-03-21 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Discharge lamp

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1655488A (en) * 1925-03-18 1928-01-10 Gen Electric Electric incandescent lamp
GB476833A (en) * 1936-09-25 1937-12-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Improvements in or relating to high-pressure metal-vapour electric discharge lamps
US2459579A (en) * 1947-08-06 1949-01-18 Gen Electric Electrode structure
US2662196A (en) * 1948-11-04 1953-12-08 Western Union Telegraph Co Concentrated arc lamp
US2697183A (en) * 1950-10-16 1954-12-14 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High-pressure electric discharge lamp
FR1126531A (en) * 1955-05-13 1956-11-26 Cie Ind De Tubes Et Lampes Ele Improvements to devices known as gas surge arresters, or surge arresters, or voltage limiters
US3625068A (en) * 1970-08-31 1971-12-07 Gen Motors Corp Omnidirectional sensor
NL7300381A (en) * 1973-01-11 1974-07-15
JPS5211677A (en) * 1975-07-17 1977-01-28 Iwasaki Electric Co Ltd Discharge lamp with sintered electrode
US4633136A (en) * 1982-04-20 1986-12-30 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh High-pressure discharge lamp with low power input
DD242736A3 (en) * 1983-03-25 1987-02-11 Narva Rosa Luxemburg Bgw K Veb ELECTRODES FOR ELECTRICAL DISCHARGE LAMPS, PREFERABLY HIGH-PRESSURE DISCHARGE LAMPS SMALL PERFORMANCE

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072412A (en) * 1980-03-24 1981-09-30 Gte Prod Corp Electrode geometry to improve arc stability
GB2126415A (en) * 1982-08-30 1984-03-21 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Discharge lamp

Also Published As

Publication number Publication date
JPH0584630B2 (en) 1993-12-02
JPS63148530A (en) 1988-06-21
DE3640990A1 (en) 1988-06-16
US4937495A (en) 1990-06-26
EP0269958A2 (en) 1988-06-08
EP0269958B1 (en) 1993-02-10
DE3784144D1 (en) 1993-03-25

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