FR769133A - Gas or vapor discharge tubes with one or more electrodes brought to high temperature during operation - Google Patents

Gas or vapor discharge tubes with one or more electrodes brought to high temperature during operation

Info

Publication number
FR769133A
FR769133A FR769133DA FR769133A FR 769133 A FR769133 A FR 769133A FR 769133D A FR769133D A FR 769133DA FR 769133 A FR769133 A FR 769133A
Authority
FR
France
Prior art keywords
gas
high temperature
during operation
temperature during
discharge tubes
Prior art date
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.)
Expired
Application number
Other languages
French (fr)
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.)
Quarzlampen GmbH
Original Assignee
Quarzlampen GmbH
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 Quarzlampen GmbH filed Critical Quarzlampen GmbH
Application granted granted Critical
Publication of FR769133A publication Critical patent/FR769133A/en
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
FR769133D 1933-02-17 1934-02-16 Gas or vapor discharge tubes with one or more electrodes brought to high temperature during operation Expired FR769133A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE432442X 1933-02-17

Publications (1)

Publication Number Publication Date
FR769133A true FR769133A (en) 1934-08-20

Family

ID=6493325

Family Applications (1)

Application Number Title Priority Date Filing Date
FR769133D Expired FR769133A (en) 1933-02-17 1934-02-16 Gas or vapor discharge tubes with one or more electrodes brought to high temperature during operation

Country Status (3)

Country Link
US (1) US2008066A (en)
FR (1) FR769133A (en)
GB (1) GB432442A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE451865A (en) * 1942-08-13
US2542348A (en) * 1949-09-16 1951-02-20 Gen Electric Electrode structure
US2499506A (en) * 1944-09-11 1950-03-07 Gen Electric Electric discharge device and electrode therefor
US2518248A (en) * 1945-03-20 1950-08-08 Lumalampan Ab Electric discharge tube
US2473413A (en) * 1945-05-17 1949-06-14 Cortese Ralph Electrode
US2441260A (en) * 1945-05-17 1948-05-11 Cortese Ralph Electrode
US2468221A (en) * 1945-05-22 1949-04-26 Maurice F Miller Electrode
US2433218A (en) * 1945-06-12 1947-12-23 Herzog Carl Cold cathode fluorescent lamp
US2460739A (en) * 1946-04-17 1949-02-01 Gen Electric Electrode construction
US2509649A (en) * 1947-06-17 1950-05-30 New England Spectrochemical La Spectrographic treatment of organic materials
US2549355A (en) * 1948-02-28 1951-04-17 Gen Electric Fluorescent lamp
US2512835A (en) * 1948-04-01 1950-06-27 George M Schroeder Luminous tube apparatus
CH631575A5 (en) * 1978-04-28 1982-08-13 Bbc Brown Boveri & Cie METHOD FOR INCREASING THE LIFE OF A GAS DISCHARGE VESSEL.
US4383197A (en) * 1978-11-02 1983-05-10 Gte Products Corporation Metal halide arc discharge lamp having shielded electrode
SE435332B (en) * 1979-11-07 1984-09-17 Lumalampan Ab CATHOD UNIT OF LIGHT
GB2248718A (en) * 1990-07-20 1992-04-15 Samsung Electronic Devices Metal halide lamp.
US6741023B2 (en) * 2001-07-10 2004-05-25 Light Sources, Inc. Fluorescent tanning lamp with improved service life

Also Published As

Publication number Publication date
GB432442A (en) 1935-07-26
US2008066A (en) 1935-07-16

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