FR846291A - Light projector - Google Patents

Light projector

Info

Publication number
FR846291A
FR846291A FR846291DA FR846291A FR 846291 A FR846291 A FR 846291A FR 846291D A FR846291D A FR 846291DA FR 846291 A FR846291 A FR 846291A
Authority
FR
France
Prior art keywords
light projector
projector
light
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
Rene-Marie Berthier
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 FR846291A publication Critical patent/FR846291A/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
    • F21V5/00—Refractors for light sources
    • F21V5/008—Combination of two or more successive refractors along an optical axis

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR846291D 1938-05-13 1938-05-13 Light projector Expired FR846291A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR846291T 1938-05-13

Publications (1)

Publication Number Publication Date
FR846291A true FR846291A (en) 1939-09-13

Family

ID=9313227

Family Applications (1)

Application Number Title Priority Date Filing Date
FR846291D Expired FR846291A (en) 1938-05-13 1938-05-13 Light projector

Country Status (1)

Country Link
FR (1) FR846291A (en)

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