FR391224A - Système d'éclairage, sans effets d'ombre, de l'intérieur des locaux - Google Patents

Système d'éclairage, sans effets d'ombre, de l'intérieur des locaux

Info

Publication number
FR391224A
FR391224A FR391224A FR391224DA FR391224A FR 391224 A FR391224 A FR 391224A FR 391224 A FR391224 A FR 391224A FR 391224D A FR391224D A FR 391224DA FR 391224 A FR391224 A FR 391224A
Authority
FR
France
Prior art keywords
premises
lighting system
shadow effects
shadow
effects
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
FR391224A
Other languages
English (en)
Inventor
Friedrich Luithlen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR391224A publication Critical patent/FR391224A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • 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
    • F21V7/0008—Reflectors for light sources providing for indirect lighting

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR391224A 1908-06-15 1908-06-15 Système d'éclairage, sans effets d'ombre, de l'intérieur des locaux Expired FR391224A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR391224T 1908-06-15

Publications (1)

Publication Number Publication Date
FR391224A true FR391224A (fr) 1908-10-26

Family

ID=1436695

Family Applications (1)

Application Number Title Priority Date Filing Date
FR391224A Expired FR391224A (fr) 1908-06-15 1908-06-15 Système d'éclairage, sans effets d'ombre, de l'intérieur des locaux

Country Status (1)

Country Link
FR (1) FR391224A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2595133A1 (fr) * 1986-03-03 1987-09-04 Soudures Applic Electr Module encastrable renfermant un equipement, notamment d'eclairage
DE8900441U1 (fr) * 1989-01-17 1989-03-02 Vh Lichttechnische Spezial-Geraete Handel Juergen Von Hagen, 5300 Bonn, De

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2595133A1 (fr) * 1986-03-03 1987-09-04 Soudures Applic Electr Module encastrable renfermant un equipement, notamment d'eclairage
DE8900441U1 (fr) * 1989-01-17 1989-03-02 Vh Lichttechnische Spezial-Geraete Handel Juergen Von Hagen, 5300 Bonn, De

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