FR1141720A - Variable curvature projector for linear light source - Google Patents

Variable curvature projector for linear light source

Info

Publication number
FR1141720A
FR1141720A FR1141720DA FR1141720A FR 1141720 A FR1141720 A FR 1141720A FR 1141720D A FR1141720D A FR 1141720DA FR 1141720 A FR1141720 A FR 1141720A
Authority
FR
France
Prior art keywords
projector
light source
linear light
variable curvature
curvature
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
Antonio Severi
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 FR1141720A publication Critical patent/FR1141720A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/04Optical design
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2103/00Elongate light sources, e.g. fluorescent tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1141720D 1955-02-26 1956-02-20 Variable curvature projector for linear light source Expired FR1141720A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1141720X 1955-02-26

Publications (1)

Publication Number Publication Date
FR1141720A true FR1141720A (en) 1957-09-06

Family

ID=11431824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1141720D Expired FR1141720A (en) 1955-02-26 1956-02-20 Variable curvature projector for linear light source

Country Status (1)

Country Link
FR (1) FR1141720A (en)

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