FR780751A - Incandescent lamp improvements - Google Patents

Incandescent lamp improvements

Info

Publication number
FR780751A
FR780751A FR780751DA FR780751A FR 780751 A FR780751 A FR 780751A FR 780751D A FR780751D A FR 780751DA FR 780751 A FR780751 A FR 780751A
Authority
FR
France
Prior art keywords
incandescent lamp
incandescent
lamp
lamp improvements
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.)
Claude Paz et Visseaux SA
Original Assignee
Societe Anonyme pour les Applications de lElectricite et des Gaz Rares Etablissement Claude Paz et Silva
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 Societe Anonyme pour les Applications de lElectricite et des Gaz Rares Etablissement Claude Paz et Silva filed Critical Societe Anonyme pour les Applications de lElectricite et des Gaz Rares Etablissement Claude Paz et Silva
Application granted granted Critical
Publication of FR780751A publication Critical patent/FR780751A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/14—Incandescent bodies characterised by the shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
FR780751D 1934-01-23 1934-01-23 Incandescent lamp improvements Expired FR780751A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR780751T 1934-01-23

Publications (1)

Publication Number Publication Date
FR780751A true FR780751A (en) 1935-05-03

Family

ID=9205830

Family Applications (1)

Application Number Title Priority Date Filing Date
FR780751D Expired FR780751A (en) 1934-01-23 1934-01-23 Incandescent lamp improvements

Country Status (3)

Country Link
US (1) US2115480A (en)
FR (1) FR780751A (en)
GB (1) GB444566A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL216253A (en) * 1956-04-28
US3759602A (en) * 1971-08-30 1973-09-18 Gen Electric Inhibiting d-c notching effect in incandescent lamp filaments
JPS62167365U (en) * 1986-04-14 1987-10-23
DE3605134A1 (en) * 1986-03-04 1987-08-20 Vni Pk I T I Istocnikov Sveta COMPOSITION FOR FILLING BULBS
JP3230003B2 (en) * 1991-03-08 2001-11-19 林原 健 Lighting equipment
TW203145B (en) * 1991-04-09 1993-04-01 Hayashibara Ken
KR100259240B1 (en) * 1991-12-06 2000-06-15 하야시바라 겐 Lighting device
JP2934923B2 (en) * 1991-12-06 1999-08-16 林原 健 Lighting equipment

Also Published As

Publication number Publication date
US2115480A (en) 1938-04-26
GB444566A (en) 1936-03-23

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