FR822571A - Appareil d'éclairage à flux dirigé - Google Patents

Appareil d'éclairage à flux dirigé

Info

Publication number: FR822571A
Authority: FR; France
Prior art keywords: luminaire; directed flow; directed; flow; flow luminaire
Prior art date: 1936-04-07
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

Roger Blaitreau

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.)

1936-04-07

Filing date

1936-04-07

Publication date

1938-01-04

1936-04-07 Application filed filed Critical

1938-01-04 Application granted granted Critical

1938-01-04 Publication of FR822571A publication Critical patent/FR822571A/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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design

Landscapes

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

FR822571D 1936-04-07 1936-04-07 Appareil d'éclairage à flux dirigé Expired FR822571A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR822571T		1936-04-07

Publications (1)

Publication Number	Publication Date
FR822571A true FR822571A (fr)	1938-01-04

Family

ID=9280967

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR822571D Expired FR822571A (fr)	1936-04-07	1936-04-07	Appareil d'éclairage à flux dirigé

Country Status (1)

Country	Link
FR (1)	FR822571A (fr)

1936
- 1936-04-07 FR FR822571D patent/FR822571A/fr not_active Expired

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