FR2245001A1 - - Google Patents

Info

Publication number
FR2245001A1
FR2245001A1 FR7431954A FR7431954A FR2245001A1 FR 2245001 A1 FR2245001 A1 FR 2245001A1 FR 7431954 A FR7431954 A FR 7431954A FR 7431954 A FR7431954 A FR 7431954A FR 2245001 A1 FR2245001 A1 FR 2245001A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7431954A
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of FR2245001A1 publication Critical patent/FR2245001A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • 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
    • F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type
    • 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
    • F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Traffic Control Systems (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Light Guides In General And Applications Therefor (AREA)
FR7431954A 1973-09-24 1974-09-23 Withdrawn FR2245001A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US400253A US3894228A (en) 1973-09-24 1973-09-24 Light control device

Publications (1)

Publication Number Publication Date
FR2245001A1 true FR2245001A1 (enrdf_load_stackoverflow) 1975-04-18

Family

ID=23582844

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7431954A Withdrawn FR2245001A1 (enrdf_load_stackoverflow) 1973-09-24 1974-09-23

Country Status (5)

Country Link
US (1) US3894228A (enrdf_load_stackoverflow)
JP (1) JPS5060244A (enrdf_load_stackoverflow)
DE (1) DE2445365A1 (enrdf_load_stackoverflow)
FR (1) FR2245001A1 (enrdf_load_stackoverflow)
IT (1) IT1019363B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023463A1 (fr) * 1979-07-30 1981-02-04 RADIALL Société anonyme dite: Dispositif pour régler le niveau de la puissance lumineuse émise à l'extrémité d'une fibre optique

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3605000A1 (de) * 1985-02-22 1986-09-04 Sharp Kk Beleuchtungsvorrichtung
USRE40227E1 (en) 1985-11-21 2008-04-08 3M Innovative Properties Company Totally internally reflecting thin, flexible film
JPS6413609U (enrdf_load_stackoverflow) * 1987-07-10 1989-01-24
JP2574121Y2 (ja) * 1991-12-27 1998-06-11 株式会社ニフコ 壁材への部品固定具
US5475533A (en) * 1993-08-02 1995-12-12 Applied Physics Research, L.P. Apparatus for enhancing the brightness of an image and method of making the same
CH690657A5 (de) * 1993-12-01 2000-11-30 Olga Raimondi Staeuble Richtblende für Beleuchtungskörper.
JPH10276131A (ja) * 1997-03-28 1998-10-13 Victor Co Of Japan Ltd 光送受信装置
US7712919B2 (en) 2005-04-12 2010-05-11 Planmeca Oy Operation light

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1664536A (en) * 1926-08-24 1928-04-03 Newton S Bement Traffic light
US2540389A (en) * 1946-02-21 1951-02-06 Elwood Wiles Signal light ray director
US2539927A (en) * 1948-10-30 1951-01-30 Ramminger William Antiglare headlight
US2683799A (en) * 1951-05-10 1954-07-13 Day Brite Lighting Inc Electric lighting fixture with louver members
US3275820A (en) * 1963-12-26 1966-09-27 Joseph M Szarkowski Illuminating system
US3543235A (en) * 1969-05-19 1970-11-24 Gulf & Western Industries Adjustable light beam director having removable verticle baffles
US3618014A (en) * 1969-08-27 1971-11-02 Minnesota Mining & Mfg Variable indication control signal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023463A1 (fr) * 1979-07-30 1981-02-04 RADIALL Société anonyme dite: Dispositif pour régler le niveau de la puissance lumineuse émise à l'extrémité d'une fibre optique
FR2462721A1 (fr) * 1979-07-30 1981-02-13 Radiall Sa Dispositif pour regler le niveau de la puissance lumineuse emise a l'extremite d'une fibre optique

Also Published As

Publication number Publication date
IT1019363B (it) 1977-11-10
US3894228A (en) 1975-07-08
DE2445365A1 (de) 1975-03-27
JPS5060244A (enrdf_load_stackoverflow) 1975-05-24

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Legal Events

Date Code Title Description
ST Notification of lapse