BE491599A - - Google Patents

Info

Publication number
BE491599A
BE491599A BE491599DA BE491599A BE 491599 A BE491599 A BE 491599A BE 491599D A BE491599D A BE 491599DA BE 491599 A BE491599 A BE 491599A
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 BE491599A publication Critical patent/BE491599A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
BE491599D 1948-11-09 BE491599A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR830220X 1948-11-09

Publications (1)

Publication Number Publication Date
BE491599A true BE491599A (ja)

Family

ID=9285826

Family Applications (1)

Application Number Title Priority Date Filing Date
BE491599D BE491599A (ja) 1948-11-09

Country Status (5)

Country Link
US (1) US2659834A (ja)
BE (1) BE491599A (ja)
CH (1) CH280029A (ja)
DE (1) DE830220C (ja)
FR (1) FR1010839A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3020393A (en) * 1953-12-31 1962-02-06 Aeg Base and socket for fluorescent lamps

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1814499A (en) * 1928-02-17 1931-07-14 Electrons Inc Circuits for discharge tubes
US2097261A (en) * 1929-04-30 1937-10-26 Spanner Hans Joachim Lighting device
US1990175A (en) * 1931-05-29 1935-02-05 Gen Electric Vapor Lamp Co Gaseous electric discharge device
US2355258A (en) * 1941-05-13 1944-08-08 Sylvania Electric Prod Ultraviolet fluorescent lamp
US2292863A (en) * 1941-08-26 1942-08-11 Gen Electric Lead-in arrangement
US2459543A (en) * 1947-06-14 1949-01-18 Gen Electric Base for an electric device

Also Published As

Publication number Publication date
US2659834A (en) 1953-11-17
CH280029A (fr) 1951-12-31
DE830220C (de) 1952-02-04
FR1010839A (fr) 1952-06-16

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