DE2125444A1 - - Google Patents

Info

Publication number
DE2125444A1
DE2125444A1 DE19712125444 DE2125444A DE2125444A1 DE 2125444 A1 DE2125444 A1 DE 2125444A1 DE 19712125444 DE19712125444 DE 19712125444 DE 2125444 A DE2125444 A DE 2125444A DE 2125444 A1 DE2125444 A1 DE 2125444A1
Authority
DE
Germany
Prior art keywords
cavity
electrode
coil
tungsten
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.)
Pending
Application number
DE19712125444
Other languages
German (de)
English (en)
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 DE2125444A1 publication Critical patent/DE2125444A1/de
Pending 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)
DE19712125444 1970-05-25 1971-05-22 Pending DE2125444A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4013470A 1970-05-25 1970-05-25

Publications (1)

Publication Number Publication Date
DE2125444A1 true DE2125444A1 (fr) 1971-12-09

Family

ID=21909301

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712125444 Pending DE2125444A1 (fr) 1970-05-25 1971-05-22

Country Status (6)

Country Link
US (1) US3619699A (fr)
JP (1) JPS5133356B1 (fr)
BE (1) BE767484A (fr)
DE (1) DE2125444A1 (fr)
FR (1) FR2093722A5 (fr)
GB (1) GB1353683A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1439567A2 (fr) * 2003-01-16 2004-07-21 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Electrode pour lampe à décharge à haute pression

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3989973A (en) * 1971-01-02 1976-11-02 Siemens Aktiengesellschaft Cold-cathode gas-discharge device
US3809943A (en) * 1973-04-19 1974-05-07 Gen Electric High intensity discharge lamp electrode
US3988629A (en) * 1974-10-07 1976-10-26 General Electric Company Thermionic wick electrode for discharge lamps
US4321503A (en) * 1978-11-06 1982-03-23 Westinghouse Electric Corp. HID Lamp electrode comprising barium-calcium niobate or tantalate
GB2173943A (en) * 1985-04-18 1986-10-22 Noblelight Limited Improvements in and relating to cathodes
JPH04174951A (ja) * 1990-07-19 1992-06-23 Tokyo Densoku Kk 放電管
EP0988701A1 (fr) * 1998-04-20 2000-03-29 Koninklijke Philips Electronics N.V. Circuit de temporisation
JP3324584B2 (ja) * 1999-10-20 2002-09-17 松下電器産業株式会社 放電灯の製造方法
US20060049762A1 (en) * 2004-09-03 2006-03-09 Koch Mark E Night-vision illumination lamp
EP1894227A1 (fr) * 2005-04-27 2008-03-05 Koninklijke Philips Electronics N.V. Lampe a decharge
JP4725389B2 (ja) * 2006-03-29 2011-07-13 ウシオ電機株式会社 高圧放電ランプ
US8460045B2 (en) 2007-06-25 2013-06-11 General Electric Company High intensity discharge lamp with enhanced dimming characteristcs
JP2010232023A (ja) * 2009-03-27 2010-10-14 Ushio Inc ショートアーク型放電ランプ
US8525430B2 (en) * 2009-06-09 2013-09-03 Topanga Technologies, Inc. Helical structure and method for plasma lamp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029359A (en) * 1960-03-29 1962-04-10 Gen Electric Thermionic electrode for discharge lamps

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1439567A2 (fr) * 2003-01-16 2004-07-21 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Electrode pour lampe à décharge à haute pression
EP1439567A3 (fr) * 2003-01-16 2006-07-05 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Electrode pour lampe à décharge à haute pression

Also Published As

Publication number Publication date
BE767484A (fr) 1971-11-22
GB1353683A (en) 1974-05-22
FR2093722A5 (fr) 1972-01-28
JPS5133356B1 (fr) 1976-09-18
US3619699A (en) 1971-11-09

Similar Documents

Publication Publication Date Title
DE2125444A1 (fr)
DE102011009597B4 (de) Entladungslampe mit einer Kathode, die zum einen Teil aus reinem Wolfram und zum anderen aus thoriertem Wolfram besteht
DE1015941B (de) Vorratskathode und Verfahren zu ihrer Herstellung
DE819430C (de) Glueh-Elektrode
DE1911985A1 (de) Bogenentladungslampe mit Metallhalogenidzusatz
EP1032022B1 (fr) Lampe à halogénure métallique avec enveloppe céramique
DE102012002048A1 (de) Kathode für eine Entladungslampe
EP1481417A1 (fr) Lampe au mercure a arc court dotee d'une cathode contenant de l'oxyde de lanthane
DE2131887C3 (de) Blitzentladungslampe
WO2013113049A1 (fr) Électrode composite en tungstène
DE2027893A1 (de) Entladungslampe mit amalgambildenden Stoffmengen zur Pegulierung des Quecksilberdampfdruckes
EP0907960A2 (fr) Electrode froide pour decharges gazeuses
DE1949946A1 (de) Hochleistungs-Metalldampflampe mit Hohlkathoden
DE2519014C3 (de) Verfahren zur Herstellung von Elektroden für Hochdruckentladungslampen
DE1126991B (de) Wandstabilisierte elektrische Edelgas-Hochdruck-Entladungslampe und Verfahren zu ihrer Herstellung
DE69911538T2 (de) Niederdruckquecksilberdampfentladungslampe
DE2102112A1 (de) Hochdruck Gasentladungslampe
DE3200699A1 (de) Entladungsgefaess fuer hochdruck-natriumdampflampen
DE2523360A1 (de) Gasentladungselektronenstrahlerzeugungssystem zum erzeugen eines elektronenstrahls mit hilfe einer glimmentladung
EP2673796B1 (fr) Lampe à décharge à haute intensité dotée d'un dispositif d'aide à l'amorçage
DE658480C (de) Entladungsroehre mit zwei Gasen, von denen das eine leichter ionisierbar ist als das andere, und mit Hohlkathode
DE883782C (de) Elektrische Hochdruckentladungsvorrichtung
DE2222845A1 (de) Emittierende Elektrode und Verfahren zu ihrer Herstellung
AT139320B (de) Glimmentladungsröhre mit Gas- oder Dampffüllung.
DE1589284C3 (de) Verfahren zum Herstellen einer elektrischen Hochdruckentladungslampe

Legal Events

Date Code Title Description
OHN Withdrawal