GB1389636A - Short-arc gas discharge lamp - Google Patents

Short-arc gas discharge lamp

Info

Publication number
GB1389636A
GB1389636A GB1241373A GB1241373A GB1389636A GB 1389636 A GB1389636 A GB 1389636A GB 1241373 A GB1241373 A GB 1241373A GB 1241373 A GB1241373 A GB 1241373A GB 1389636 A GB1389636 A GB 1389636A
Authority
GB
United Kingdom
Prior art keywords
electrode
short
discharge lamp
slot
tungsten
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
GB1241373A
Other languages
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1389636A publication Critical patent/GB1389636A/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
    • H01J61/98—Lamps with closely spaced electrodes heated to incandescence by light-emitting discharge, e.g. tungsten arc lamp
    • 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)
GB1241373A 1972-03-18 1973-03-15 Short-arc gas discharge lamp Expired GB1389636A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7203663A NL7203663A (enrdf_load_stackoverflow) 1972-03-18 1972-03-18

Publications (1)

Publication Number Publication Date
GB1389636A true GB1389636A (en) 1975-04-03

Family

ID=19815649

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1241373A Expired GB1389636A (en) 1972-03-18 1973-03-15 Short-arc gas discharge lamp

Country Status (9)

Country Link
US (1) US3902090A (enrdf_load_stackoverflow)
JP (1) JPS4912669A (enrdf_load_stackoverflow)
AU (1) AU5320173A (enrdf_load_stackoverflow)
BE (1) BE796926A (enrdf_load_stackoverflow)
CA (1) CA963074A (enrdf_load_stackoverflow)
FR (1) FR2176812B1 (enrdf_load_stackoverflow)
GB (1) GB1389636A (enrdf_load_stackoverflow)
NL (1) NL7203663A (enrdf_load_stackoverflow)
SE (1) SE382526B (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57212454A (en) * 1981-06-24 1982-12-27 Fuji Photo Film Co Ltd Electrophotographic receptor
DE3716485C1 (de) * 1987-05-16 1988-11-24 Heraeus Gmbh W C Xenon-Kurzbogen-Entladungslampe
US6561675B1 (en) 1995-01-27 2003-05-13 Digital Projection Limited Rectangular beam generating light source
US5627430A (en) * 1994-06-29 1997-05-06 Ushiodenki Kabushiki Kaisha Discharge lamp having a cathode with a sintered tip insert
JP3614042B2 (ja) * 1999-07-05 2005-01-26 ウシオ電機株式会社 放電ランプ
KR20010112865A (ko) * 2000-06-15 2001-12-22 김병관 가스 방전등의 전극 장치
DE10062974A1 (de) * 2000-12-16 2002-06-20 Philips Corp Intellectual Pty Hochdruckgasentladungslampe und Verfahren zu ihrer Herstellung
JP2003242933A (ja) * 2002-02-15 2003-08-29 Toshiba Lighting & Technology Corp メタルハライドランプおよび自動車用前照灯装置
JP2010232023A (ja) * 2009-03-27 2010-10-14 Ushio Inc ショートアーク型放電ランプ
WO2013122081A1 (ja) * 2012-02-15 2013-08-22 株式会社 東芝 放電ランプ用カソード部品
US20160211130A1 (en) 2013-09-27 2016-07-21 Philips Lighting Holding B.V. Electrode for a short-arc high pressure lamp
JP1679442S (enrdf_load_stackoverflow) * 2020-02-07 2021-02-15

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB626303A (en) * 1946-04-17 1949-07-13 Gen Electric Co Ltd Improvements in and relating to mercury vapour lamps
US2687489A (en) * 1952-06-26 1954-08-24 Hanovia Chemical & Mfg Co Electrode
DE1151877B (de) * 1961-11-27 1963-07-25 Patra Patent Treuhand Kathode fuer eine Hochdruckentladungslampe, vorzugsweise Edelgashochdrucklampe
US3263115A (en) * 1962-05-23 1966-07-26 Gen Electric Dispenser cathode and method of manufacture

Also Published As

Publication number Publication date
JPS4912669A (enrdf_load_stackoverflow) 1974-02-04
FR2176812A1 (enrdf_load_stackoverflow) 1973-11-02
DE2311620B2 (de) 1976-10-07
AU5320173A (en) 1974-09-12
DE2311620A1 (de) 1973-09-27
SE382526B (sv) 1976-02-02
NL7203663A (enrdf_load_stackoverflow) 1973-09-20
CA963074A (en) 1975-02-18
FR2176812B1 (enrdf_load_stackoverflow) 1977-08-05
US3902090A (en) 1975-08-26
BE796926A (fr) 1973-09-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee