NL186351C - Ontladingslamp met ontlading van hoge intensiteit. - Google Patents

Ontladingslamp met ontlading van hoge intensiteit.

Info

Publication number
NL186351C
NL186351C NLAANVRAGE7809913,A NL7809913A NL186351C NL 186351 C NL186351 C NL 186351C NL 7809913 A NL7809913 A NL 7809913A NL 186351 C NL186351 C NL 186351C
Authority
NL
Netherlands
Prior art keywords
discharge
high intensity
lamp
discharge lamp
intensity discharge
Prior art date
Application number
NLAANVRAGE7809913,A
Other languages
English (en)
Other versions
NL186351B (nl
NL7809913A (nl
Original Assignee
Philips Lighting Corp
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 Lighting Corp filed Critical Philips Lighting Corp
Publication of NL7809913A publication Critical patent/NL7809913A/nl
Publication of NL186351B publication Critical patent/NL186351B/nl
Application granted granted Critical
Publication of NL186351C publication Critical patent/NL186351C/nl

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
    • H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0737—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
NLAANVRAGE7809913,A 1977-10-26 1978-10-02 Ontladingslamp met ontlading van hoge intensiteit. NL186351C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/845,521 US4152619A (en) 1977-10-26 1977-10-26 HID lamp electrode comprising barium (yttrium or rare earth metal) tungstate or molybdate

Publications (3)

Publication Number Publication Date
NL7809913A NL7809913A (nl) 1979-05-01
NL186351B NL186351B (nl) 1990-06-01
NL186351C true NL186351C (nl) 1990-11-01

Family

ID=25295418

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7809913,A NL186351C (nl) 1977-10-26 1978-10-02 Ontladingslamp met ontlading van hoge intensiteit.

Country Status (5)

Country Link
US (1) US4152619A (nl)
JP (2) JPS5477480A (nl)
DE (1) DE2845283A1 (nl)
GB (1) GB1603341A (nl)
NL (1) NL186351C (nl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4210840A (en) * 1978-12-12 1980-07-01 Westinghouse Electric Corp. HID Lamp emission material
NL8000326A (nl) * 1979-05-28 1980-12-02 Philips Nv Hogedruknatriumdampontladingslamp.
US4303848A (en) * 1979-08-29 1981-12-01 Toshiba Corporation Discharge lamp and method of making same
US4479074A (en) * 1982-09-02 1984-10-23 North American Philips Lighting Corp. High intensity vapor discharge lamp with sintering aids for electrode emission materials
US4620128A (en) * 1985-04-29 1986-10-28 General Electric Company Tungsten laden emission mix of improved stability
KR900008794B1 (ko) * 1986-06-11 1990-11-29 티 디 케이 가부시끼가이샤 방전 램프장치
KR920001844B1 (ko) * 1986-07-15 1992-03-05 티디 케이 가부시기가이샤 냉음극형 방전 등 장치
US5111108A (en) * 1990-12-14 1992-05-05 Gte Products Corporation Vapor discharge device with electron emissive material
US6433482B1 (en) 1998-05-11 2002-08-13 Wisconsin Alumni Research Foundation Barium light source method and apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1888272U (de) * 1964-02-27 Westmghouse Flectric Corporation Pittsburgh Pa (V St A) \ertr Dipl Ing J Dellian Pat Anw München Elektrode fur eine Entladungslampe
US3170081A (en) * 1962-06-05 1965-02-16 Westinghouse Electric Corp Discharge lamp electrode
US3708710A (en) * 1970-12-14 1973-01-02 Gen Electric Discharge lamp thermoionic cathode containing emission material
JPS5340833B2 (nl) * 1971-11-02 1978-10-30
US3988629A (en) * 1974-10-07 1976-10-26 General Electric Company Thermionic wick electrode for discharge lamps
NL175771B (nl) * 1975-06-20 1984-07-16 Philips Nv Hogedrukgasontladingslamp en een werkwijze voor de vervaardiging hiervan.

Also Published As

Publication number Publication date
GB1603341A (en) 1981-11-25
JPS6226914Y2 (nl) 1987-07-10
US4152619A (en) 1979-05-01
DE2845283A1 (de) 1979-05-03
JPS5943063U (ja) 1984-03-21
JPS5477480A (en) 1979-06-20
DE2845283C2 (nl) 1989-11-09
NL186351B (nl) 1990-06-01
NL7809913A (nl) 1979-05-01

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: NORTH AMERICAN PHILIPS LIGHTING CORPORATION

BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee