BE871911A - Dispositif optique a rendement lumineux eleve - Google Patents

Dispositif optique a rendement lumineux eleve

Info

Publication number
BE871911A
BE871911A BE191651A BE191651A BE871911A BE 871911 A BE871911 A BE 871911A BE 191651 A BE191651 A BE 191651A BE 191651 A BE191651 A BE 191651A BE 871911 A BE871911 A BE 871911A
Authority
BE
Belgium
Prior art keywords
optical device
luminous efficiency
high luminous
efficiency
optical
Prior art date
Application number
BE191651A
Other languages
English (en)
Original Assignee
Backer Adrien Sa
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 Backer Adrien Sa filed Critical Backer Adrien Sa
Priority to BE191651A priority Critical patent/BE871911A/fr
Publication of BE871911A publication Critical patent/BE871911A/fr
Priority to GB7938904A priority patent/GB2036942B/en

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
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • 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
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/06—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for aircraft runways or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
BE191651A 1978-11-10 1978-11-10 Dispositif optique a rendement lumineux eleve BE871911A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE191651A BE871911A (fr) 1978-11-10 1978-11-10 Dispositif optique a rendement lumineux eleve
GB7938904A GB2036942B (en) 1978-11-10 1979-11-09 Navigation beacon with a high light output

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE871911 1978-11-10
BE191651A BE871911A (fr) 1978-11-10 1978-11-10 Dispositif optique a rendement lumineux eleve

Publications (1)

Publication Number Publication Date
BE871911A true BE871911A (fr) 1979-03-01

Family

ID=25651106

Family Applications (1)

Application Number Title Priority Date Filing Date
BE191651A BE871911A (fr) 1978-11-10 1978-11-10 Dispositif optique a rendement lumineux eleve

Country Status (1)

Country Link
BE (1) BE871911A (fr)

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