FR2176812A1 - - Google Patents

Info

Publication number
FR2176812A1
FR2176812A1 FR7309541A FR7309541A FR2176812A1 FR 2176812 A1 FR2176812 A1 FR 2176812A1 FR 7309541 A FR7309541 A FR 7309541A FR 7309541 A FR7309541 A FR 7309541A FR 2176812 A1 FR2176812 A1 FR 2176812A1
Authority
FR
France
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
FR7309541A
Other languages
French (fr)
Other versions
FR2176812B1 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2176812A1 publication Critical patent/FR2176812A1/fr
Application granted granted Critical
Publication of FR2176812B1 publication Critical patent/FR2176812B1/fr
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
FR7309541A 1972-03-18 1973-03-16 Expired FR2176812B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2176812A1 true FR2176812A1 (en) 1973-11-02
FR2176812B1 FR2176812B1 (en) 1977-08-05

Family

ID=19815649

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7309541A Expired FR2176812B1 (en) 1972-03-18 1973-03-16

Country Status (9)

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

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 (en) * 1987-05-16 1988-11-24 Heraeus Gmbh W C Xenon short-arc discharge lamp
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 (en) * 1999-07-05 2005-01-26 ウシオ電機株式会社 Discharge lamp
KR20010112865A (en) * 2000-06-15 2001-12-22 김병관 Electrode Device for Gas Lamp
DE10062974A1 (en) * 2000-12-16 2002-06-20 Philips Corp Intellectual Pty High pressure gas discharge lamp and process for its manufacture
JP2003242933A (en) * 2002-02-15 2003-08-29 Toshiba Lighting & Technology Corp Metal halide lamp, and head light device for automobile
JP2010232023A (en) * 2009-03-27 2010-10-14 Ushio Inc Short arc type discharge lamp
WO2013122081A1 (en) * 2012-02-15 2013-08-22 株式会社 東芝 Cathode component for discharge lamp
US20160211130A1 (en) 2013-09-27 2016-07-21 Philips Lighting Holding B.V. Electrode for a short-arc high pressure lamp
JP1679442S (en) * 2020-02-07 2021-02-15

Citations (1)

* 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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2687489A (en) * 1952-06-26 1954-08-24 Hanovia Chemical & Mfg Co Electrode
DE1151877B (en) * 1961-11-27 1963-07-25 Patra Patent Treuhand Cathode for a high pressure discharge lamp, preferably a noble gas high pressure lamp
US3263115A (en) * 1962-05-23 1966-07-26 Gen Electric Dispenser cathode and method of manufacture

Patent Citations (1)

* 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

Also Published As

Publication number Publication date
NL7203663A (en) 1973-09-20
GB1389636A (en) 1975-04-03
FR2176812B1 (en) 1977-08-05
AU5320173A (en) 1974-09-12
DE2311620A1 (en) 1973-09-27
DE2311620B2 (en) 1976-10-07
US3902090A (en) 1975-08-26
JPS4912669A (en) 1974-02-04
SE382526B (en) 1976-02-02
CA963074A (en) 1975-02-18
BE796926A (en) 1973-09-17

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Legal Events

Date Code Title Description
ST Notification of lapse