FR951749A - Lighting fixtures improvements - Google Patents

Lighting fixtures improvements

Info

Publication number
FR951749A
FR951749A FR951749DA FR951749A FR 951749 A FR951749 A FR 951749A FR 951749D A FR951749D A FR 951749DA FR 951749 A FR951749 A FR 951749A
Authority
FR
France
Prior art keywords
lighting fixtures
fixtures
lighting
fixtures improvements
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)
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.)
HOLOPHANE SOC
Original Assignee
HOLOPHANE SOC
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 HOLOPHANE SOC filed Critical HOLOPHANE SOC
Application granted granted Critical
Publication of FR951749A publication Critical patent/FR951749A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR951749D 1942-10-14 1947-08-07 Lighting fixtures improvements Expired FR951749A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US951749XA 1942-10-14 1942-10-14

Publications (1)

Publication Number Publication Date
FR951749A true FR951749A (en) 1949-11-02

Family

ID=22250446

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951749D Expired FR951749A (en) 1942-10-14 1947-08-07 Lighting fixtures improvements

Country Status (1)

Country Link
FR (1) FR951749A (en)

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