NL7809914A - Ontladingslamp met hoge ontladingsintensiteit. - Google Patents

Ontladingslamp met hoge ontladingsintensiteit.

Info

Publication number
NL7809914A
NL7809914A NL7809914A NL7809914A NL7809914A NL 7809914 A NL7809914 A NL 7809914A NL 7809914 A NL7809914 A NL 7809914A NL 7809914 A NL7809914 A NL 7809914A NL 7809914 A NL7809914 A NL 7809914A
Authority
NL
Netherlands
Prior art keywords
discharge
intensity
lamp
discharge lamp
high discharge
Prior art date
Application number
NL7809914A
Other languages
English (en)
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of NL7809914A publication Critical patent/NL7809914A/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
NL7809914A 1977-10-21 1978-10-02 Ontladingslamp met hoge ontladingsintensiteit. NL7809914A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/844,154 US4123685A (en) 1977-10-21 1977-10-21 HID lamp electrode comprising solid solution of dibarium calcium molybdate and tungstate

Publications (1)

Publication Number Publication Date
NL7809914A true NL7809914A (nl) 1979-04-24

Family

ID=25291963

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7809914A NL7809914A (nl) 1977-10-21 1978-10-02 Ontladingslamp met hoge ontladingsintensiteit.

Country Status (5)

Country Link
US (1) US4123685A (nl)
JP (1) JPS5470668A (nl)
DE (1) DE2845333A1 (nl)
GB (1) GB1577095A (nl)
NL (1) NL7809914A (nl)

Families Citing this family (6)

* 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
JPS5676156A (en) * 1979-11-24 1981-06-23 Matsushita Electronics Corp High-pressure sodium-vapor lamp
US4487589A (en) * 1981-06-22 1984-12-11 General Electric Company Method of preparing electron emissive coatings for electric discharge devices
US4559473A (en) * 1982-06-11 1985-12-17 General Electric Company Electrode structure for high pressure sodium vapor lamps
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170081A (en) * 1962-06-05 1965-02-16 Westinghouse Electric Corp Discharge lamp electrode
US3919581A (en) * 1974-07-12 1975-11-11 Gen Electric Thoria-yttria emission mixture 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
US4123685A (en) 1978-10-31
GB1577095A (en) 1980-10-15
DE2845333A1 (de) 1979-04-26
JPS5470668A (en) 1979-06-06

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Legal Events

Date Code Title Description
BV The patent application has lapsed