FR862679A - Dispositif pour éclairage de défense passive - Google Patents

Dispositif pour éclairage de défense passive

Info

Publication number: FR862679A
Authority: FR; France
Prior art keywords: lighting device; passive defense; defense lighting; passive; lighting
Prior art date: 1939-09-01
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

Maxime Weil

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.)

1939-09-01

Filing date

1939-09-01

Publication date

1941-03-12

1939-09-01 Application filed filed Critical

1941-03-12 Application granted granted Critical

1941-03-12 Publication of FR862679A publication Critical patent/FR862679A/fr

Status Expired legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- 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
- H05B39/02—Switching on, e.g. with predetermined rate of increase of lighting current

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)

FR862679D 1939-09-01 1939-09-01 Dispositif pour éclairage de défense passive Expired FR862679A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR862679T		1939-09-01

Publications (1)

Publication Number	Publication Date
FR862679A true FR862679A (fr)	1941-03-12

Family

ID=9342935

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR862679D Expired FR862679A (fr)	1939-09-01	1939-09-01	Dispositif pour éclairage de défense passive

Country Status (1)

Country	Link
FR (1)	FR862679A (fr)

1939
- 1939-09-01 FR FR862679D patent/FR862679A/fr not_active Expired

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