FR830477A - Improvements to visible or invisible ray distribution systems - Google Patents

Improvements to visible or invisible ray distribution systems

Info

Publication number
FR830477A
FR830477A FR830477DA FR830477A FR 830477 A FR830477 A FR 830477A FR 830477D A FR830477D A FR 830477DA FR 830477 A FR830477 A FR 830477A
Authority
FR
France
Prior art keywords
visible
distribution systems
ray distribution
invisible ray
invisible
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)
Inventor
Jean Bonnemain
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 filed Critical
Application granted granted Critical
Publication of FR830477A publication Critical patent/FR830477A/en
Expired legal-status Critical Current

Links

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
FR830477D 1937-12-07 1937-12-07 Improvements to visible or invisible ray distribution systems Expired FR830477A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR830477T 1937-12-07

Publications (1)

Publication Number Publication Date
FR830477A true FR830477A (en) 1938-08-01

Family

ID=9287146

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830477D Expired FR830477A (en) 1937-12-07 1937-12-07 Improvements to visible or invisible ray distribution systems

Country Status (1)

Country Link
FR (1) FR830477A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866584A (en) * 1988-05-27 1989-09-12 Columbia Lighting, Inc. Indirect luminaire
US5438485A (en) * 1993-01-07 1995-08-01 Ford Motor Company Illuminator for use with a remote light source
DE10213536B4 (en) * 2002-03-26 2008-05-08 Siteco Beleuchtungstechnik Gmbh Secondary lighting system and luminaire with such a Sekundärbeleuchtungssystem

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866584A (en) * 1988-05-27 1989-09-12 Columbia Lighting, Inc. Indirect luminaire
US5438485A (en) * 1993-01-07 1995-08-01 Ford Motor Company Illuminator for use with a remote light source
DE10213536B4 (en) * 2002-03-26 2008-05-08 Siteco Beleuchtungstechnik Gmbh Secondary lighting system and luminaire with such a Sekundärbeleuchtungssystem

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