EP0456907A3 - High-pressure discharge lamp - Google Patents

High-pressure discharge lamp Download PDF

Info

Publication number
EP0456907A3
EP0456907A3 EP19900124462 EP90124462A EP0456907A3 EP 0456907 A3 EP0456907 A3 EP 0456907A3 EP 19900124462 EP19900124462 EP 19900124462 EP 90124462 A EP90124462 A EP 90124462A EP 0456907 A3 EP0456907 A3 EP 0456907A3
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
EP19900124462
Other languages
German (de)
Other versions
EP0456907A2 (en
EP0456907B1 (en
Inventor
Dietrich Dr. Fromm
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 EP0456907A2 publication Critical patent/EP0456907A2/en
Publication of EP0456907A3 publication Critical patent/EP0456907A3/en
Application granted granted Critical
Publication of EP0456907B1 publication Critical patent/EP0456907B1/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
EP90124462A 1990-03-15 1990-12-17 High-pressure discharge lamp Expired - Lifetime EP0456907B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4008375A DE4008375A1 (en) 1990-03-15 1990-03-15 HIGH PRESSURE DISCHARGE LAMP
DE4008375 1990-03-15

Publications (3)

Publication Number Publication Date
EP0456907A2 EP0456907A2 (en) 1991-11-21
EP0456907A3 true EP0456907A3 (en) 1992-03-18
EP0456907B1 EP0456907B1 (en) 1995-03-22

Family

ID=6402322

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90124462A Expired - Lifetime EP0456907B1 (en) 1990-03-15 1990-12-17 High-pressure discharge lamp

Country Status (4)

Country Link
US (1) US5210463A (en)
EP (1) EP0456907B1 (en)
JP (1) JP2947958B2 (en)
DE (2) DE4008375A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1176017A (en) * 1995-11-02 1998-03-11 菲利浦电子有限公司 High-pressure discharge lamp
US6084351A (en) * 1996-09-06 2000-07-04 Matsushita Electric Industrial Co., Ltd. Metal halide lamp and temperature control system therefor
DE19749908A1 (en) 1997-11-11 1999-05-12 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electrode component for discharge lamps
JP2004521474A (en) * 2001-06-25 2004-07-15 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ High pressure gas discharge lamp and method of manufacturing high pressure gas discharge lamp
GB2444977A (en) * 2006-12-21 2008-06-25 Gen Electric An ultra high pressure mercury arc lamp
US8460045B2 (en) * 2007-06-25 2013-06-11 General Electric Company High intensity discharge lamp with enhanced dimming characteristcs
DE102007050633A1 (en) 2007-10-23 2009-04-30 Osram Gesellschaft mit beschränkter Haftung Method and device for operating a gas discharge lamp
DE102008016888A1 (en) 2008-04-02 2009-10-08 Osram Gesellschaft mit beschränkter Haftung Switching arrangement for stabilized operation of high pressure discharge lamp in headlight for motor vehicle, has capacitor connected with inverter, such that commutation voltage increases lamp voltage during commutation phase of lamp
JP2011181450A (en) * 2010-03-03 2011-09-15 Panasonic Corp Lamp
CN103286649A (en) * 2012-02-29 2013-09-11 上海亚尔光源有限公司 Method for manufacturing electrode for ultraviolet lamp

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB486138A (en) * 1937-01-19 1938-05-31 Gen Electric Co Ltd Improvements in electrodes for high-pressure metal vapour electric discharge devices
GB491176A (en) * 1937-05-20 1938-08-29 Gen Electric Co Ltd Improvements in high-pressure metal-vapour electric discharge devices
US3670195A (en) * 1970-03-20 1972-06-13 Japan Broadcasting Corp Metal vapour discharge lamp
DE3036746A1 (en) * 1979-10-01 1981-04-02 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa SHORT BOW LAMP
GB2126415A (en) * 1982-08-30 1984-03-21 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Discharge lamp
EP0213927A2 (en) * 1985-08-28 1987-03-11 Kabushiki Kaisha Toshiba High-pressure metal vapor arc lamp lit by direct current power supply
US4968916A (en) * 1989-09-08 1990-11-06 General Electric Company Xenon-metal halide lamp particularly suited for automotive applications having an improved electrode structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4396857A (en) * 1980-07-01 1983-08-02 General Electric Company Arc tube construction
US4633136A (en) * 1982-04-20 1986-12-30 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh High-pressure discharge lamp with low power input
US5001397A (en) * 1985-07-17 1991-03-19 U.S. Philips Corporation High-pressure gas discharge lamp having electrodes with coil layers having interlocking turns
DE3641045A1 (en) * 1986-12-01 1988-06-09 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh HIGH PRESSURE DISCHARGE LAMP, SEMI-SIDED
EP0381035B1 (en) * 1989-01-31 1994-08-03 Toshiba Lighting & Technology Corporation Single side-sealed metal vapor discharge lamp

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB486138A (en) * 1937-01-19 1938-05-31 Gen Electric Co Ltd Improvements in electrodes for high-pressure metal vapour electric discharge devices
GB491176A (en) * 1937-05-20 1938-08-29 Gen Electric Co Ltd Improvements in high-pressure metal-vapour electric discharge devices
US3670195A (en) * 1970-03-20 1972-06-13 Japan Broadcasting Corp Metal vapour discharge lamp
DE3036746A1 (en) * 1979-10-01 1981-04-02 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa SHORT BOW LAMP
GB2126415A (en) * 1982-08-30 1984-03-21 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Discharge lamp
EP0213927A2 (en) * 1985-08-28 1987-03-11 Kabushiki Kaisha Toshiba High-pressure metal vapor arc lamp lit by direct current power supply
US4968916A (en) * 1989-09-08 1990-11-06 General Electric Company Xenon-metal halide lamp particularly suited for automotive applications having an improved electrode structure

Also Published As

Publication number Publication date
DE4008375A1 (en) 1991-09-19
EP0456907A2 (en) 1991-11-21
EP0456907B1 (en) 1995-03-22
DE59008768D1 (en) 1995-04-27
JPH04220939A (en) 1992-08-11
JP2947958B2 (en) 1999-09-13
US5210463A (en) 1993-05-11

Similar Documents

Publication Publication Date Title
HU911309D0 (en) Low-pressure discharge lamp
EP0521553A3 (en) High-pressure glow discharge lamp
HU64U (en) High-pression discharge lamp
HU911084D0 (en) Electrodeless low-pressure discharge lamp
GB2248147B (en) Discharge lamp unit
GB2247775B (en) Discharge lamp unit
HU904190D0 (en) High-pressure discharge lamp
KR0110029Y1 (en) High-pressure discharge lamp
HUT49750A (en) High-pressure discharge lamp
HU910523D0 (en) High-pressure sodium vapour discharge lamp
HU905800D0 (en) High-pressure discharge lamp
EP0321866A3 (en) High-pressure discharge lamp
HU913779D0 (en) Low-pressure discharge lamp
HU904227D0 (en) High-pressure discharge lamp
EP0472100A3 (en) High-pressure discharge lamp
EP0456907A3 (en) High-pressure discharge lamp
EP0446462A3 (en) High-pressure discharge lamp
HUT52638A (en) High-pressure discharge lamp
HU910524D0 (en) High-pressure sodium vapour discharge lamp
HUT61130A (en) Low-pressure discharge lamp
HUT57465A (en) High-pressure discharge lamp
HUT51413A (en) High-pressure discharge lamp
EP0516967A3 (en) High pressure discharge lamp
HU913861D0 (en) High-pressure discharge lamp
HUT52890A (en) High-pressure gas-discharge lamp

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19901217

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB IT

17Q First examination report despatched

Effective date: 19940504

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REF Corresponds to:

Ref document number: 59008768

Country of ref document: DE

Date of ref document: 19950427

ITF It: translation for a ep patent filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19950605

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20051208

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20051216

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20061231

Year of fee payment: 17

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20061217

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20070831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061217

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070102

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20090220

Year of fee payment: 19

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20071217

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100701