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EP0408981A3 - High-pressure discharge lamp - Google Patents

High-pressure discharge lamp Download PDF

Info

Publication number
EP0408981A3
EP0408981A3 EP19900112707 EP90112707A EP0408981A3 EP 0408981 A3 EP0408981 A3 EP 0408981A3 EP 19900112707 EP19900112707 EP 19900112707 EP 90112707 A EP90112707 A EP 90112707A EP 0408981 A3 EP0408981 A3 EP 0408981A3
Authority
EP
European Patent Office
Prior art keywords
discharge lamp
pressure discharge
pressure
lamp
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.)
Granted
Application number
EP19900112707
Other languages
German (de)
Other versions
EP0408981B1 (en
EP0408981A2 (en
Inventor
Clemens Barthelmes
Andreas Dr. Hohlfeld
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 EP0408981A2 publication Critical patent/EP0408981A2/en
Publication of EP0408981A3 publication Critical patent/EP0408981A3/en
Application granted granted Critical
Publication of EP0408981B1 publication Critical patent/EP0408981B1/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
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/84—Lamps with discharge constricted by high pressure
    • H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
    • H01J61/366—Seals for leading-in conductors
EP90112707A 1989-07-17 1990-07-03 High-pressure discharge lamp Expired - Lifetime EP0408981B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3923589A DE3923589A1 (en) 1989-07-17 1989-07-17 HIGH PRESSURE DISCHARGE LAMP
DE3923589 1989-07-17

Publications (3)

Publication Number Publication Date
EP0408981A2 EP0408981A2 (en) 1991-01-23
EP0408981A3 true EP0408981A3 (en) 1991-04-24
EP0408981B1 EP0408981B1 (en) 1994-09-21

Family

ID=6385205

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90112707A Expired - Lifetime EP0408981B1 (en) 1989-07-17 1990-07-03 High-pressure discharge lamp

Country Status (7)

Country Link
US (1) US5107177A (en)
EP (1) EP0408981B1 (en)
JP (1) JPH0357154A (en)
KR (1) KR910003747A (en)
DD (1) DD296783A5 (en)
DE (2) DE3923589A1 (en)
HU (1) HU203611B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5598063A (en) * 1992-12-16 1997-01-28 General Electric Company Means for supporting and sealing the lead structure of a lamp
US5594302A (en) * 1995-08-22 1997-01-14 Lamptech Ltd. Metal halide lamp including iron and molybdenum
JPH1027573A (en) * 1996-07-10 1998-01-27 Koito Mfg Co Ltd Arc tube for discharge lamp device
DE19712776A1 (en) * 1996-08-21 1998-10-01 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High pressure discharge lamp
JP3218560B2 (en) * 1997-02-07 2001-10-15 スタンレー電気株式会社 Metal halide lamp for headlight
EP1057211B1 (en) * 1998-12-21 2005-11-30 Koninklijke Philips Electronics N.V. Electric lamp
JP3665510B2 (en) * 1999-06-28 2005-06-29 株式会社小糸製作所 Arc tube for discharge lamp equipment
EP1065698B1 (en) * 1999-07-02 2008-07-30 Phoenix Electric Co., Ltd. Mount for lamp and lamp seal structure employing the mount
US6713957B2 (en) * 2001-09-13 2004-03-30 Ushiodenki Kabushiki Kaisha Super-high pressure discharge lamp of the short arc type
KR20030046319A (en) * 2001-12-05 2003-06-12 마쯔시다덴기산교 가부시키가이샤 High pressure discharge lamp and lamp unit
DE10214777A1 (en) * 2002-04-03 2003-10-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metal halide lamp with ceramic discharge tube
DE102009011525A1 (en) 2009-03-03 2010-09-09 Osram Gesellschaft mit beschränkter Haftung Electric lamp and method of manufacture
KR102071767B1 (en) 2017-01-26 2020-03-03 산하토건(주) Mixing treatment apparatus installed amixing treatment Equipment using a mixing axis which is suppling agent for soft ground improve ment by a 1.5 Shot method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259778A (en) * 1963-05-09 1966-07-05 Gen Electric Starting of high temperature electrode lamps
US4559472A (en) * 1982-02-16 1985-12-17 Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen Mbh High-pressure discharge lamp having support structures for the elongate electrodes thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443632A (en) * 1946-04-16 1948-06-22 Samuel C Miller Braid shielding
US3742283A (en) * 1971-10-28 1973-06-26 Gte Sylvania Inc Press seal for lamp having fused silica envelope
US3868528A (en) * 1974-01-14 1975-02-25 Gen Electric Quartz pinches containing sealant glass
JPS5519733A (en) * 1978-07-28 1980-02-12 Mitsubishi Electric Corp High voltage mercury gas discharge lamp
GB8303074D0 (en) * 1983-02-04 1983-03-09 Gen Electric Co Plc Electric discharge lamps
JP2621891B2 (en) * 1987-12-07 1997-06-18 東芝ライテック株式会社 High pressure discharge lamp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259778A (en) * 1963-05-09 1966-07-05 Gen Electric Starting of high temperature electrode lamps
US4559472A (en) * 1982-02-16 1985-12-17 Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen Mbh High-pressure discharge lamp having support structures for the elongate electrodes thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 13, no. 410 (E-819)(3758) 11 September 89, & JP-A-1 151149 (TOSHIBA) 13 Juni 89, *
PATENT ABSTRACTS OF JAPAN vol. 4, no. 48 (E-6)(530& JP-A-55 19733 (MITSUBISHI) 12 Februar 80, *

Also Published As

Publication number Publication date
JPH0357154A (en) 1991-03-12
DE59007201D1 (en) 1994-10-27
EP0408981B1 (en) 1994-09-21
HUT54827A (en) 1991-03-28
US5107177A (en) 1992-04-21
DE3923589A1 (en) 1991-01-24
EP0408981A2 (en) 1991-01-23
JPH0586028B2 (en) 1993-12-09
HU203611B (en) 1991-08-28
DD296783A5 (en) 1991-12-12
HU904227D0 (en) 1990-12-28
KR910003747A (en) 1991-02-28

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