FR798984A - Improvements to discharge tubes - Google Patents

Improvements to discharge tubes

Info

Publication number
FR798984A
FR798984A FR798984DA FR798984A FR 798984 A FR798984 A FR 798984A FR 798984D A FR798984D A FR 798984DA FR 798984 A FR798984 A FR 798984A
Authority
FR
France
Prior art keywords
discharge tubes
tubes
discharge
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR798984A publication Critical patent/FR798984A/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
    • H01J61/10—Shields, screens, or guides for influencing the discharge
    • H01J61/106—Shields, screens, or guides for influencing the discharge using magnetic means
FR798984D 1934-12-12 1935-12-10 Improvements to discharge tubes Expired FR798984A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB35720/34A GB448706A (en) 1934-12-12 1934-12-12 Improvements in and relating to electric discharge lamps

Publications (1)

Publication Number Publication Date
FR798984A true FR798984A (en) 1936-05-29

Family

ID=10380839

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798984D Expired FR798984A (en) 1934-12-12 1935-12-10 Improvements to discharge tubes

Country Status (3)

Country Link
US (1) US2087753A (en)
FR (1) FR798984A (en)
GB (1) GB448706A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2612625A (en) * 1946-11-23 1952-09-30 Ericsson Telefon Ab L M Gaseous discharge tube
DE1091669B (en) * 1948-12-18 1960-10-27 Patra Patent Treuhand High pressure discharge lamp
DE1117753B (en) * 1959-01-14 1961-11-23 A E I Lamp And Lighting Co Ltd Circuit arrangement for electric high pressure discharge lamps
DE1539461B1 (en) * 1966-07-28 1970-05-14 Licentia Gmbh Headlights with defocusing device
JPS53136374A (en) * 1977-05-04 1978-11-28 Hitachi Ltd Low pressure vapor discharge lamp
US4311942A (en) * 1977-09-21 1982-01-19 Spellman High Voltage Electronics Corp. Compact fluorescent lamp and method and means for magnetic arc spreading
US4514662A (en) * 1979-06-04 1985-04-30 Skeist S Merrill Magnetic arc spreading fluorescent lamps
US4311943A (en) * 1979-11-13 1982-01-19 Spellman High Voltage Electronics Corp. Fluorescent lamp with arc spreading with recombination structures
US4341979A (en) * 1980-02-14 1982-07-27 Leo Gross Fluorescent lamp with rotating magnetic field arc spreading device
DE4429413C2 (en) * 1994-08-19 1998-11-19 Imab Stiftung Method for operating a discharge lamp
NL1026622C2 (en) * 2004-07-09 2006-01-10 Crossworks Contra Consulting B Gas discharge lamp with stabilizing coil.

Also Published As

Publication number Publication date
US2087753A (en) 1937-07-20
GB448706A (en) 1936-06-12

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