GB2043331B - Electrode for high pressure metal-vapour lamp - Google Patents

Electrode for high pressure metal-vapour lamp

Info

Publication number
GB2043331B
GB2043331B GB7935052A GB7935052A GB2043331B GB 2043331 B GB2043331 B GB 2043331B GB 7935052 A GB7935052 A GB 7935052A GB 7935052 A GB7935052 A GB 7935052A GB 2043331 B GB2043331 B GB 2043331B
Authority
GB
United Kingdom
Prior art keywords
electrode
high pressure
pressure metal
vapour lamp
vapour
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.)
Expired
Application number
GB7935052A
Other versions
GB2043331A (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 GB2043331A publication Critical patent/GB2043331A/en
Application granted granted Critical
Publication of GB2043331B publication Critical patent/GB2043331B/en
Expired 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
GB7935052A 1978-12-26 1979-10-09 Electrode for high pressure metal-vapour lamp Expired GB2043331B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US97318278A 1978-12-26 1978-12-26

Publications (2)

Publication Number Publication Date
GB2043331A GB2043331A (en) 1980-10-01
GB2043331B true GB2043331B (en) 1982-11-17

Family

ID=25520603

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7935052A Expired GB2043331B (en) 1978-12-26 1979-10-09 Electrode for high pressure metal-vapour lamp

Country Status (4)

Country Link
JP (1) JPS5590048A (en)
DE (2) DE2953964C2 (en)
FR (1) FR2445614A1 (en)
GB (1) GB2043331B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3005338C2 (en) 1979-03-12 1983-12-01 General Electric Co., Schenectady, N.Y. Method of making a metal halide lamp
US4320322A (en) * 1980-03-24 1982-03-16 Gte Products Corporation Electrode geometry to improve arc stability
US4633136A (en) * 1982-04-20 1986-12-30 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh High-pressure discharge lamp with low power input
DE3240359A1 (en) * 1982-11-02 1984-05-03 W.C. Heraeus Gmbh, 6450 Hanau "ELECTRODE FOR LASER EXCITATION LAMPS"
GB8303074D0 (en) * 1983-02-04 1983-03-09 Gen Electric Co Plc Electric discharge lamps
DE3305468A1 (en) * 1983-02-17 1984-08-23 Egyesült Izzólámpa és Villamossági Részvénytársaság, Budapest Method for producing electrodes for high-pressure discharge lamps
US4847534A (en) * 1985-07-17 1989-07-11 U.S. Philips Corporation High-pressure discharge lamp with torsionally wound electrode structure
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
DE4202971A1 (en) * 1992-02-03 1993-08-05 Heraeus Instr Gmbh High pressure discharge lamp for DC operation - has two axially opposite inward protruding electrodes with high MP carrier pins and electrode forming cathode has at least two coils partly surrounding carrier pin
US5357167A (en) * 1992-07-08 1994-10-18 General Electric Company High pressure discharge lamp with a thermally improved anode
JPH10512394A (en) * 1995-11-02 1998-11-24 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 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
JP3327896B2 (en) 2000-05-12 2002-09-24 松下電器産業株式会社 High pressure discharge lamp
US6621219B2 (en) * 2000-12-28 2003-09-16 General Electric Company Thermally insulating lead wire for ceramic metal halide electrodes

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2009211A (en) * 1934-05-08 1935-07-23 Gen Electric Vapor Lamp Co Gaseous electric discharge device
US2441863A (en) * 1945-03-10 1948-05-18 Gen Electric Electrode for discharge devices
US2731581A (en) * 1950-12-18 1956-01-17 Krefft Hermann Eduard Electrode for gaseous discharge lamps
FR1138260A (en) * 1953-07-10 1957-06-12 Sylvania Electric Prod Cathode for electric discharge lamp
US3069581A (en) * 1959-05-11 1962-12-18 Gen Electric Low pressure discharge lamp
FR1271505A (en) * 1959-05-11 1961-09-15 Lampes Sa Low pressure discharge device
NL296948A (en) * 1963-08-21
BE785860A (en) * 1971-07-06 1973-01-05 Gen Electric FILAMENT ELECTRODE AND PROCESS FOR THE MANUFACTURE OF THE SAME
GB1448069A (en) * 1974-02-11 1976-09-02 Thorn Electrical Ind Ltd Lamp electrodes
DE2826733C2 (en) * 1977-07-05 1982-07-29 General Electric Co., Schenectady, N.Y. High pressure metal halide discharge lamp

Also Published As

Publication number Publication date
JPS5590048A (en) 1980-07-08
GB2043331A (en) 1980-10-01
JPS647460B2 (en) 1989-02-08
DE2953964C2 (en) 1985-06-20
FR2445614A1 (en) 1980-07-25
DE2951967C2 (en) 1984-06-28
DE2951967A1 (en) 1980-07-03
FR2445614B1 (en) 1982-10-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee