FR2445615A1 - Tube a arc pour lampe a decharge miniature - Google Patents

Tube a arc pour lampe a decharge miniature

Info

Publication number
FR2445615A1
FR2445615A1 FR7931677A FR7931677A FR2445615A1 FR 2445615 A1 FR2445615 A1 FR 2445615A1 FR 7931677 A FR7931677 A FR 7931677A FR 7931677 A FR7931677 A FR 7931677A FR 2445615 A1 FR2445615 A1 FR 2445615A1
Authority
FR
France
Prior art keywords
arc tube
discharge lamp
rods
miniature
miniature 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
FR7931677A
Other languages
English (en)
Other versions
FR2445615B1 (fr
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2445615A1 publication Critical patent/FR2445615A1/fr
Application granted granted Critical
Publication of FR2445615B1 publication Critical patent/FR2445615B1/fr
Granted 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

Landscapes

  • Discharge Lamp (AREA)

Abstract

Tube à arc comportant des électrodes assurant un amorçage aisé de la lampe. Il comprend une enveloppe 2 contenant un remplissage ionisable et des électrodes autochauffantes 7, 7' constituée par des tiges de tungstène sur lesquelles sont enroulées de manière lâche des enroulements maintenus par contact de friction avec un élargissement des tiges. Application aux lampes à décharge à vapeurs métalliques miniatures.
FR7931677A 1978-12-29 1979-12-26 Tube a arc pour lampe a decharge miniature Granted FR2445615A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/974,485 US4275329A (en) 1978-12-29 1978-12-29 Electrode with overwind for miniature metal vapor lamp

Publications (2)

Publication Number Publication Date
FR2445615A1 true FR2445615A1 (fr) 1980-07-25
FR2445615B1 FR2445615B1 (fr) 1982-09-03

Family

ID=25522097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931677A Granted FR2445615A1 (fr) 1978-12-29 1979-12-26 Tube a arc pour lampe a decharge miniature

Country Status (5)

Country Link
US (1) US4275329A (fr)
JP (1) JPS5591551A (fr)
DE (1) DE2951966C2 (fr)
FR (1) FR2445615A1 (fr)
GB (1) GB2042251B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0213927A2 (fr) * 1985-08-28 1987-03-11 Kabushiki Kaisha Toshiba Lampe à arc à vapeur métallique à haute pression alimentée par une source d'alimentation à courant continu
EP0269957A2 (fr) * 1986-12-01 1988-06-08 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe à décharge à haute pression munie d'un pincement unique
EP0416937A2 (fr) * 1989-09-08 1991-03-13 General Electric Company Lampe à xénon et aux halogénures métalliques, particulièrement utile pour des applications dans le domaine de l'automobile munie d'une structure d'électrode améliorée
EP0714118A1 (fr) * 1994-11-25 1996-05-29 Ushiodenki Kabushiki Kaisha Lampe aux halogénures métalliques du type à arc court
EP0700070A3 (fr) * 1994-09-01 1998-03-25 Osram Sylvania Inc. Cathode pour lampe à décharge haute intensité

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3242840A1 (de) * 1982-04-20 1983-10-27 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Hochdruckentladungslampe mit kleiner leistung
US4633136A (en) * 1982-04-20 1986-12-30 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh High-pressure discharge lamp with low power input
DE3305468A1 (de) * 1983-02-17 1984-08-23 Egyesült Izzólámpa és Villamossági Részvénytársaság, Budapest Verfahren zur herstellung von elektroden fuer hochdruck-entladungslampen
CA1255746A (fr) * 1983-06-09 1989-06-13 George J. English Lampes a decharge a halogenure de metal a extremite electrique unique et methode de fabrication
US4528478A (en) * 1983-06-09 1985-07-09 Gte Products Corporation Single-ended metal halide discharge lamp with minimal color separation
US4766348A (en) * 1983-06-09 1988-08-23 Gte Products Corporation Single-ended metal halogen lamp and fabrication process employing ionization potential selection of additive gases
GB2199693B (en) * 1986-12-02 1990-08-15 Noblelight Ltd Improvements in and relating to flash lamps
DE4203976A1 (de) * 1992-02-11 1993-08-12 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Hochdruckentladungslampe
US5387839A (en) * 1992-12-11 1995-02-07 General Electric Company Electrode-inlead assembly for electrical lamps
US5962972A (en) * 1994-05-03 1999-10-05 U.S. Philips Corporation Electric incandescent lamp
JP3936392B2 (ja) * 1994-05-03 2007-06-27 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 高圧放電ランプ
DE19808981A1 (de) * 1998-03-04 1999-09-09 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrode mit Wendelaufsatz
US6731067B1 (en) * 1999-09-10 2004-05-04 General Electric Company Elimination of weld in ceramic metal halide electrode-leadwire
US6769947B1 (en) 2000-06-27 2004-08-03 General Electric Company Method for manufacturing a lamp electrode
EP1273379A3 (fr) * 2001-07-04 2006-07-12 Fuji Photo Film Co., Ltd. Procédé de fabrication d'électrodes
DE10137794B4 (de) * 2001-08-07 2008-06-12 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrode für Hochdruckentladungslampen und Hochdruckentladungslampe
EP1730766B1 (fr) 2004-02-23 2013-03-27 OSRAM GmbH Systeme d'electrodes pour lampe a decharge gazeuse haute pression
US8089212B2 (en) 2008-08-08 2012-01-03 General Electric Company Lower turn per inch (TPI) electrodes in ceramic metal halide (CMH) lamps
JP7175109B2 (ja) * 2018-06-26 2022-11-18 株式会社オーク製作所 ショートアーク型放電ランプ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2275023A1 (fr) * 1974-06-12 1976-01-09 Philips Nv Electrode pour lampe a decharge

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB478024A (en) * 1936-11-25 1938-01-11 Gen Electric Co Ltd Improvements in or relating to thermionic cathodes for high pressure metal vapour discharge devices
DE697428C (de) * 1937-02-05 1940-10-14 Patra Patent Treuhand Elektrische, einen Betriebsdruck von mehr als 5 Atmosphaeren aufweisende Quecksilberdampfentladungslampe mit entladungsgeheizten Betriebsgluehelektroden und Anlasselektroden
US2241362A (en) * 1940-03-01 1941-05-06 Westinghouse Electric & Mfg Co Electron emissive cathode
CH249243A (de) * 1943-01-15 1947-06-15 Philips Nv Gas- oder dampfgefüllte elektrische Entladungsröhre.
US2473969A (en) * 1947-03-28 1949-06-21 Rca Corp Ultra high frequency electron discharge device
US2765420A (en) * 1954-07-12 1956-10-02 Gen Electric Lamp electrode
DE1130070B (de) * 1959-12-17 1962-05-24 Gen Electric Kathode fuer Gas- und/oder Dampfentladungslampen und Verfahren zu ihrer Herstellung
US3168668A (en) * 1961-04-03 1965-02-02 Honeywell Inc High pressure mercury vapor lamp
US3448322A (en) * 1966-12-15 1969-06-03 Gen Electric Direct filament enclosed incandescent lamps and contact means therefor
US3448321A (en) * 1967-10-02 1969-06-03 Gen Electric Electric incandescent lamp and method of manufacture
NL6902805A (fr) * 1969-02-21 1970-08-25
JPS536323Y2 (fr) * 1971-07-12 1978-02-17
NL174683C (nl) * 1975-09-11 1984-07-16 Philips Nv Hogedrukgasontladingslamp.
US3992642A (en) * 1975-12-15 1976-11-16 Mcvey Charles I Ceramic envelope plug and lead wire and seal
DE2826733C2 (de) 1977-07-05 1982-07-29 General Electric Co., Schenectady, N.Y. Hochdruck-Metalldampf-Entladungslampe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2275023A1 (fr) * 1974-06-12 1976-01-09 Philips Nv Electrode pour lampe a decharge

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0213927A2 (fr) * 1985-08-28 1987-03-11 Kabushiki Kaisha Toshiba Lampe à arc à vapeur métallique à haute pression alimentée par une source d'alimentation à courant continu
EP0213927A3 (en) * 1985-08-28 1988-10-26 Kabushiki Kaisha Toshiba High-pressure metal vapor arc lamp lit by direct current power supply
EP0269957A2 (fr) * 1986-12-01 1988-06-08 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe à décharge à haute pression munie d'un pincement unique
EP0269957A3 (en) * 1986-12-01 1989-10-18 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh High-pressure discharge lamp having a single pinch
EP0416937A2 (fr) * 1989-09-08 1991-03-13 General Electric Company Lampe à xénon et aux halogénures métalliques, particulièrement utile pour des applications dans le domaine de l'automobile munie d'une structure d'électrode améliorée
EP0416937A3 (en) * 1989-09-08 1991-09-11 General Electric Company A xenon-metal halide lamp particularly suited for automotive applications having an improved electrode structure
EP0700070A3 (fr) * 1994-09-01 1998-03-25 Osram Sylvania Inc. Cathode pour lampe à décharge haute intensité
EP0714118A1 (fr) * 1994-11-25 1996-05-29 Ushiodenki Kabushiki Kaisha Lampe aux halogénures métalliques du type à arc court

Also Published As

Publication number Publication date
US4275329A (en) 1981-06-23
GB2042251B (en) 1983-01-26
GB2042251A (en) 1980-09-17
DE2951966C2 (de) 1984-06-28
DE2951966A1 (de) 1980-07-03
JPS5591551A (en) 1980-07-11
FR2445615B1 (fr) 1982-09-03

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Legal Events

Date Code Title Description
ST Notification of lapse