JPS5114779A - - Google Patents

Info

Publication number
JPS5114779A
JPS5114779A JP50072133A JP7213375A JPS5114779A JP S5114779 A JPS5114779 A JP S5114779A JP 50072133 A JP50072133 A JP 50072133A JP 7213375 A JP7213375 A JP 7213375A JP S5114779 A JPS5114779 A JP S5114779A
Authority
JP
Japan
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
JP50072133A
Other languages
Japanese (ja)
Other versions
JPS548995B2 (en
Inventor
Kuumaa Datsuta Ranajitsuto
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 JPS5114779A publication Critical patent/JPS5114779A/ja
Publication of JPS548995B2 publication Critical patent/JPS548995B2/ja
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
    • H01J61/0735—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
JP7213375A 1974-07-12 1975-06-16 Expired JPS548995B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US488109A US3919581A (en) 1974-07-12 1974-07-12 Thoria-yttria emission mixture for discharge lamps

Publications (2)

Publication Number Publication Date
JPS5114779A true JPS5114779A (en) 1976-02-05
JPS548995B2 JPS548995B2 (en) 1979-04-20

Family

ID=23938360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7213375A Expired JPS548995B2 (en) 1974-07-12 1975-06-16

Country Status (4)

Country Link
US (1) US3919581A (en)
JP (1) JPS548995B2 (en)
DE (1) DE2530076C3 (en)
GB (1) GB1508827A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5273581A (en) * 1975-12-16 1977-06-20 Matsushita Electronics Corp Metal halide lamp
JPS53128172A (en) * 1977-04-14 1978-11-08 Toshiba Corp Metal vapor discharge lamp
JPS549833Y1 (en) * 1976-02-07 1979-05-09
JPS5470668A (en) * 1977-10-21 1979-06-06 Westinghouse Electric Corp Highly bright vapor discharge lamp
JPS5761238A (en) * 1980-09-30 1982-04-13 Mitsubishi Electric Corp Electron emission substance and production

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL175771B (en) * 1975-06-20 1984-07-16 Philips Nv HIGH-PRESSURE GAS DISCHARGE LAMP AND A METHOD FOR MANUFACTURING THE SAME.
JPS5367972A (en) * 1976-11-30 1978-06-16 Mitsubishi Electric Corp Electrode for elctric discharge lamp
DE2951741C2 (en) * 1978-12-29 1984-05-30 Mitsubishi Denki K.K., Tokio/Tokyo Electrode for a discharge lamp
US4992700A (en) * 1989-03-10 1991-02-12 General Electric Company Reprographic metal halide lamps having high blue emission
US5013968A (en) * 1989-03-10 1991-05-07 General Electric Company Reprographic metal halide lamps having long life and maintenance
US5111108A (en) * 1990-12-14 1992-05-05 Gte Products Corporation Vapor discharge device with electron emissive material
US6157132A (en) * 1998-08-19 2000-12-05 General Electric Company Discharge lamp emission material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2460739A (en) * 1946-04-17 1949-02-01 Gen Electric Electrode construction
US3364375A (en) * 1963-10-25 1968-01-16 Gen Electric Metal vapor lamp thorium coated electrode
US3372297A (en) * 1964-09-28 1968-03-05 Varian Associates High frequency electron discharge devices and thermionic cathodes having improved (cvd) refractory insulation coated heater wires
US3485343A (en) * 1967-08-28 1969-12-23 Gen Electric Oxygen getter for high pressure sodium vapor lamp
US3530327A (en) * 1968-03-11 1970-09-22 Westinghouse Electric Corp Metal halide discharge lamps with rare-earth metal oxide used as electrode emission material

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5273581A (en) * 1975-12-16 1977-06-20 Matsushita Electronics Corp Metal halide lamp
JPS5822856B2 (en) * 1975-12-16 1983-05-11 松下電子工業株式会社 metal halide lamp
JPS549833Y1 (en) * 1976-02-07 1979-05-09
JPS53128172A (en) * 1977-04-14 1978-11-08 Toshiba Corp Metal vapor discharge lamp
JPS5470668A (en) * 1977-10-21 1979-06-06 Westinghouse Electric Corp Highly bright vapor discharge lamp
JPS5761238A (en) * 1980-09-30 1982-04-13 Mitsubishi Electric Corp Electron emission substance and production

Also Published As

Publication number Publication date
DE2530076A1 (en) 1976-02-12
GB1508827A (en) 1978-04-26
DE2530076C3 (en) 1979-03-29
US3919581A (en) 1975-11-11
JPS548995B2 (en) 1979-04-20
DE2530076B2 (en) 1978-07-27

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