FR655266A - Lampe sans ombre portée - Google Patents

Lampe sans ombre portée

Info

Publication number
FR655266A
FR655266A FR655266DA FR655266A FR 655266 A FR655266 A FR 655266A FR 655266D A FR655266D A FR 655266DA FR 655266 A FR655266 A FR 655266A
Authority
FR
France
Prior art keywords
lamp
drop shadow
shadow
drop
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
English (en)
Inventor
Charles-Elie-Hippoly Rey
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 FR655266A publication Critical patent/FR655266A/fr
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
    • 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
    • F21V7/09—Optical design with a combination of different curvatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/20—Lighting for medical use
    • F21W2131/205—Lighting for medical use for operating theatres
FR655266D 1927-10-10 1927-10-10 Lampe sans ombre portée Expired FR655266A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR655266T 1927-10-10

Publications (1)

Publication Number Publication Date
FR655266A true FR655266A (fr) 1929-04-17

Family

ID=9007015

Family Applications (1)

Application Number Title Priority Date Filing Date
FR655266D Expired FR655266A (fr) 1927-10-10 1927-10-10 Lampe sans ombre portée

Country Status (1)

Country Link
FR (1) FR655266A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4023408A1 (de) * 1990-07-23 1992-01-30 Delma Elektro Med App Operationsleuchte

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4023408A1 (de) * 1990-07-23 1992-01-30 Delma Elektro Med App Operationsleuchte

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