FI945478A - recognition Light - Google Patents

recognition Light Download PDF

Info

Publication number
FI945478A
FI945478A FI945478A FI945478A FI945478A FI 945478 A FI945478 A FI 945478A FI 945478 A FI945478 A FI 945478A FI 945478 A FI945478 A FI 945478A FI 945478 A FI945478 A FI 945478A
Authority
FI
Finland
Prior art keywords
recognition light
recognition
light
Prior art date
Application number
FI945478A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI945478A0 (en
Inventor
Kalevi Laitinen
Original Assignee
Kalevi Laitinen
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 Kalevi Laitinen filed Critical Kalevi Laitinen
Priority to FI945478A priority Critical patent/FI945478A/en
Publication of FI945478A0 publication Critical patent/FI945478A0/en
Priority to AU39295/95A priority patent/AU3929595A/en
Priority to PCT/FI1995/000637 priority patent/WO1996016292A1/en
Publication of FI945478A publication Critical patent/FI945478A/en

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
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0025—Diffusing sheet or layer; Prismatic sheet or layer
    • 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
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/14—Advertising or display means not otherwise provided for using special optical effects displaying different signs depending upon the view-point of the observer
    • 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
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/40—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of hollow light guides
    • 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
    • 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
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0026—Wavelength selective element, sheet or layer, e.g. filter or grating
    • 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
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
FI945478A 1994-11-22 1994-11-22 recognition Light FI945478A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI945478A FI945478A (en) 1994-11-22 1994-11-22 recognition Light
AU39295/95A AU3929595A (en) 1994-11-22 1995-11-17 Signal light
PCT/FI1995/000637 WO1996016292A1 (en) 1994-11-22 1995-11-17 Signal light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI945478A FI945478A (en) 1994-11-22 1994-11-22 recognition Light

Publications (2)

Publication Number Publication Date
FI945478A0 FI945478A0 (en) 1994-11-22
FI945478A true FI945478A (en) 1996-05-23

Family

ID=8541845

Family Applications (1)

Application Number Title Priority Date Filing Date
FI945478A FI945478A (en) 1994-11-22 1994-11-22 recognition Light

Country Status (3)

Country Link
AU (1) AU3929595A (en)
FI (1) FI945478A (en)
WO (1) WO1996016292A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2769382B1 (en) * 1997-10-03 2000-12-01 Thomson Multimedia Sa REAR LIGHTING SYSTEM FOR A TRANSMISSIBLE ELECTRO-OPTICAL MODULATOR USING THE LIGHT POLARIZATION EFFECT

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2925842A1 (en) * 1979-06-27 1981-01-15 Meta Fer Ag LIGHTING DEVICE, IN PARTICULAR FOR AIRPLANTS AND ROADS
CH672830A5 (en) * 1987-03-16 1989-12-29 Meta Fer Ag

Also Published As

Publication number Publication date
WO1996016292A1 (en) 1996-05-30
AU3929595A (en) 1996-06-17
FI945478A0 (en) 1994-11-22

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Legal Events

Date Code Title Description
FD Application lapsed