FR46827E - Improvements to electric lamps - Google Patents

Improvements to electric lamps

Info

Publication number
FR46827E
FR46827E FR46827DA FR46827E FR 46827 E FR46827 E FR 46827E FR 46827D A FR46827D A FR 46827DA FR 46827 E FR46827 E FR 46827E
Authority
FR
France
Prior art keywords
electric lamps
lamps
electric
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 FR46827E publication Critical patent/FR46827E/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
FR46827D 1933-10-06 1935-12-10 Improvements to electric lamps Expired FR46827E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB27577/33A GB429750A (en) 1933-10-06 1933-10-06 Improvements in and relating to electric lamps
GB35722/34A GB448707A (en) 1933-10-06 1934-12-12 Improvements in and relating to electric discharge lamps

Publications (1)

Publication Number Publication Date
FR46827E true FR46827E (en) 1936-09-12

Family

ID=32510438

Family Applications (2)

Application Number Title Priority Date Filing Date
FR779256D Expired FR779256A (en) 1933-10-06 1934-10-06 Improvements to electric lamps
FR46827D Expired FR46827E (en) 1933-10-06 1935-12-10 Improvements to electric lamps

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR779256D Expired FR779256A (en) 1933-10-06 1934-10-06 Improvements to electric lamps

Country Status (5)

Country Link
US (1) US2030430A (en)
DE (1) DE654969C (en)
FR (2) FR779256A (en)
GB (2) GB429750A (en)
NL (1) NL42568C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767343A (en) * 1954-04-05 1956-10-16 Mcgraw Electric Co Electric gaseous discharge device
DE1098607B (en) * 1959-04-24 1961-02-02 Licentia Gmbh High pressure lamp
HU186682B (en) * 1983-04-08 1985-09-30 Tungsram Reszvenytarsasag High-frequency gas-discharge lamp system
CA2126172C (en) * 1993-06-25 1998-04-28 Minoru Yamamoto Luminaire_with interference reduction
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
GB429750A (en) 1935-06-06
US2030430A (en) 1936-02-11
NL42568C (en) 1938-02-15
FR779256A (en) 1935-04-02
GB448707A (en) 1936-06-12
DE654969C (en) 1938-01-05

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