FR1459657A - Dispositif optique anti-éblouissant perfectionné - Google Patents

Dispositif optique anti-éblouissant perfectionné

Info

Publication number
FR1459657A
FR1459657A FR42412A FR42412A FR1459657A FR 1459657 A FR1459657 A FR 1459657A FR 42412 A FR42412 A FR 42412A FR 42412 A FR42412 A FR 42412A FR 1459657 A FR1459657 A FR 1459657A
Authority
FR
France
Prior art keywords
optical device
glare optical
advanced anti
advanced
glare
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
FR42412A
Other languages
English (en)
Inventor
Karl Lennart Ingemar Sjolander
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 FR1459657A publication Critical patent/FR1459657A/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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • 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
    • 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)
  • Optical Elements Other Than Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
FR42412A 1964-12-28 1965-12-15 Dispositif optique anti-éblouissant perfectionné Expired FR1459657A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1572364 1964-12-28

Publications (1)

Publication Number Publication Date
FR1459657A true FR1459657A (fr) 1966-11-18

Family

ID=20301123

Family Applications (1)

Application Number Title Priority Date Filing Date
FR42412A Expired FR1459657A (fr) 1964-12-28 1965-12-15 Dispositif optique anti-éblouissant perfectionné

Country Status (6)

Country Link
US (1) US3413460A (fr)
CH (1) CH483597A (fr)
DE (1) DE1472547A1 (fr)
FR (1) FR1459657A (fr)
GB (1) GB1123417A (fr)
NL (1) NL6516805A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006355A (en) * 1974-11-26 1977-02-01 Sylvan R. Shemitz And Associates, Inc. Luminaire
GB2103778B (en) * 1980-12-03 1984-09-26 Steen Willumsen A double grid for fluorescent lamp units
DE3112210C2 (de) * 1981-03-27 1985-01-10 Siemens AG, 1000 Berlin und 8000 München Spiegelleuchte
JPS5828913U (ja) * 1981-08-21 1983-02-24 三菱電機株式会社 照明器具
US5147761A (en) * 1990-06-11 1992-09-15 W. R. Grace & Co.-Conn. Method for preparing relief image printing plates

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191021901A (en) * 1910-09-21 1911-09-14 Valentine Henry Mackinney New Method of and Apparatus for Illuminating Objects.
US2971083A (en) * 1958-11-14 1961-02-07 Gen Electric Low brightness louver

Also Published As

Publication number Publication date
GB1123417A (en) 1968-08-14
DE1472547A1 (de) 1969-03-27
US3413460A (en) 1968-11-26
CH483597A (de) 1969-12-31
NL6516805A (fr) 1966-06-29

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