BE481787A - - Google Patents

Info

Publication number
BE481787A
BE481787A BE481787DA BE481787A BE 481787 A BE481787 A BE 481787A BE 481787D A BE481787D A BE 481787DA BE 481787 A BE481787 A BE 481787A
Authority
BE
Belgium
Application number
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.)
Publication of BE481787A publication Critical patent/BE481787A/xx

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
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • 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
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
BE481787D 1940-11-23 BE481787A (sh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US366855A US2258158A (en) 1940-11-23 1940-11-23 Electric discharge lamp cathode

Publications (1)

Publication Number Publication Date
BE481787A true BE481787A (sh)

Family

ID=23444848

Family Applications (1)

Application Number Title Priority Date Filing Date
BE481787D BE481787A (sh) 1940-11-23

Country Status (5)

Country Link
US (1) US2258158A (sh)
BE (1) BE481787A (sh)
FR (1) FR950546A (sh)
GB (1) GB647954A (sh)
NL (1) NL76841C (sh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424518A (en) * 1944-12-04 1947-07-22 Gen Electric Coil electrode
BE482916A (sh) * 1947-06-05
US2560933A (en) * 1949-02-17 1951-07-17 Sylvania Electric Prod Lamp electrode
US2663816A (en) * 1949-09-28 1953-12-22 Sylvania Electric Prod Electric discharge lamp
US2657325A (en) * 1950-12-23 1953-10-27 Sylvania Electric Prod Electrode for electric discharge lamps
US2785093A (en) * 1954-06-29 1957-03-12 Bell Telephone Labor Inc Method of preparing cathodes for discharge devices
US2917650A (en) * 1955-06-29 1959-12-15 Hyperion Sa Electrode for discharge tubes
US2935637A (en) * 1957-03-05 1960-05-03 Thomas M Cortese Fluorescent lamp
US2961568A (en) * 1957-11-14 1960-11-22 Gen Electric Filament joint for incandescent lamps
US3247699A (en) * 1962-01-12 1966-04-26 Westinghouse Electric Corp Manufacture of multiply-coiled electrodes for discharge devices
US3312856A (en) * 1963-03-26 1967-04-04 Gen Electric Rhenium supported metallic boride cathode emitters
US3546519A (en) * 1968-08-21 1970-12-08 Tokyo Shibaura Electric Co Fluorescent lamps with coil electrodes and electrode support structure
US4523125A (en) * 1981-07-13 1985-06-11 General Electric Company Fluorescent lamp electrodes
US5680003A (en) * 1995-05-19 1997-10-21 General Electric Company Coiled-coil filament design for an incandescent lamp

Also Published As

Publication number Publication date
GB647954A (en) 1950-12-28
NL76841C (sh)
FR950546A (fr) 1949-09-29
US2258158A (en) 1941-10-07

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