FR950789A - Lampe d'éclairage à deux filaments - Google Patents

Lampe d'éclairage à deux filaments

Info

Publication number: FR950789A
Authority: FR; France
Prior art keywords: lighting lamp; dual filament; filament lighting; dual; lamp
Prior art date: 1947-08-01
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

Inventor

Henri Pougnon

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.)

1947-08-01

Filing date

1947-08-01

Publication date

1949-10-06

1947-08-01 Application filed filed Critical

1949-10-06 Application granted granted Critical

1949-10-06 Publication of FR950789A publication Critical patent/FR950789A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/04—Controlling
- H05B39/06—Switching arrangements, e.g. from series operation to parallel operation

FR950789D 1947-08-01 1947-08-01 Lampe d'éclairage à deux filaments Expired FR950789A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR950789T		1947-08-01

Publications (1)

Publication Number	Publication Date
FR950789A true FR950789A (fr)	1949-10-06

Family

ID=9480556

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR950789D Expired FR950789A (fr)	1947-08-01	1947-08-01	Lampe d'éclairage à deux filaments

Country Status (1)

Country	Link
FR (1)	FR950789A (fr)

1947
- 1947-08-01 FR FR950789D patent/FR950789A/fr not_active Expired

Similar Documents

Publication	Publication Date	Title
FR982309A (fr)	1951-06-08	Lampe à incandescence
FR924081A (fr)	1947-07-25	Support mobile de lampe d'éclairage
FR950789A (fr)	1949-10-06	Lampe d'éclairage à deux filaments
FR974634A (fr)	1951-02-23	Support, notamment pour lampes d'éclairage
FR947849A (fr)	1949-07-13	Lampe à deux filaments
FR977356A (fr)	1951-03-30	Appareil d'éclairage
FR926499A (fr)	1947-10-02	Lampe électrique à décharge, destinée à l'éclairage et/ou à l'irradiation
FR968127A (fr)	1950-11-20	Perfectionnements à l'éclairage fluorescent
FR1003026A (fr)	1952-03-13	Appareil d'éclairage
FR1023230A (fr)	1953-03-16	Lampe d'éclairage
FR949573A (fr)	1949-09-02	Lampe portative à tube fluorescent
FR980499A (fr)	1951-05-15	Appareil d'éclairage équipé de lampes fluorescentes tubulaires
FR1067950A (fr)	1954-06-21	Ampoule à filaments multiples particulièrement adaptée aux lampes d'éclairage
FR1037344A (fr)	1953-09-16	Appareil d'éclairage
FR1045640A (fr)	1953-11-30	Appareil d'éclairage
FR998361A (fr)	1952-01-17	Appareil d'éclairage
FR1041330A (fr)	1953-10-22	Lampe à incandescence
FR1031458A (fr)	1953-06-24	Lampe à incandescence
FR1014281A (fr)	1952-08-12	Lampe à incandescence
FR938937A (fr)	1948-10-28	Lampe à incandescence à filaments multiples
FR991271A (fr)	1951-10-03	Appareil d'éclairage
FR985647A (fr)	1951-07-20	Bougie à filament à incandescence
FR940480A (fr)	1948-12-14	Appareil d'éclairage indirect
FR1001588A (fr)	1952-02-25	Appareil d'éclairage
FR54656E (fr)	1950-07-27	Douilles pour lampes d'éclairage