FR2546651A1 - Dispositif de projection ou d'affichage active par un faisceau lumineux et presentant une surface de projection - Google Patents

Dispositif de projection ou d'affichage active par un faisceau lumineux et presentant une surface de projection Download PDF

Info

Publication number
FR2546651A1
FR2546651A1 FR8408201A FR8408201A FR2546651A1 FR 2546651 A1 FR2546651 A1 FR 2546651A1 FR 8408201 A FR8408201 A FR 8408201A FR 8408201 A FR8408201 A FR 8408201A FR 2546651 A1 FR2546651 A1 FR 2546651A1
Authority
FR
France
Prior art keywords
plate
light
projection
curved
projection surface
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.)
Withdrawn
Application number
FR8408201A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2546651A1 publication Critical patent/FR2546651A1/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Withdrawn legal-status Critical Current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
    • G02B6/0001—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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
FR8408201A 1983-05-26 1984-05-25 Dispositif de projection ou d'affichage active par un faisceau lumineux et presentant une surface de projection Withdrawn FR2546651A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8302959A SE8302959L (sv) 1983-05-26 1983-05-26 Anordning vid ett med visningsyta forsett ljuspaverkbart visningsarrangemang jemte framstellningsforfarande for sagda anordning

Publications (1)

Publication Number Publication Date
FR2546651A1 true FR2546651A1 (fr) 1984-11-30

Family

ID=20351328

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8408201A Withdrawn FR2546651A1 (fr) 1983-05-26 1984-05-25 Dispositif de projection ou d'affichage active par un faisceau lumineux et presentant une surface de projection

Country Status (6)

Country Link
EP (1) EP0148861A1 ( )
AU (1) AU2968484A ( )
ES (1) ES532834A0 ( )
FR (1) FR2546651A1 ( )
SE (1) SE8302959L ( )
WO (1) WO1984004838A1 ( )

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2107958A1 (es) * 1994-05-18 1997-12-01 Sorelec Panel de representacion y de señalizacion.
EP0855552A3 (de) * 1997-01-23 2000-01-05 Zumtobel Staff GmbH Beleuchtungsanordnung für Arbeitsplätze

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE872698L (en) * 1987-10-09 1989-04-09 Stena Offshort Ltd An illuminated display aid
WO1989011713A1 (en) * 1988-05-19 1989-11-30 Stanilite Pacific Ltd. Luminaire for signs
US4992916A (en) * 1989-06-08 1991-02-12 General Electric Company Prismatic illuminator for flat panel display
DE4302664A1 (de) * 1993-01-30 1994-08-04 Willing Gmbh Dr Ing Flache Hinweisleuchte mit einem durch die lichtabstrahlende Fläche verdeckten Gehäuse
DE19818887A1 (de) * 1998-04-28 1999-11-04 Jan Hes Beleuchtungsverfahren für Leuchtschriften
GB0031611D0 (en) 2000-12-21 2001-02-07 Ineos Acrylics Uk Ltd Edge lit illumination devices

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR31104E (fr) * 1925-10-14 1926-11-23 Plaque signalisatrice à usage diurne et nocturne pour automobile, indication du nomdes rues, etc.
US2091342A (en) * 1935-03-06 1937-08-31 Viking Products Corp Clock
US2347665A (en) * 1941-03-04 1944-05-02 Christensen Geneva Bandy Internal reflection lighting means
CH291067A (fr) * 1951-04-09 1953-05-31 Parker Rowland Appareil lumineux d'exposition.
CH293325A (de) * 1951-08-23 1953-09-15 Bruellhardt & Co Lichtreklameapparat.
FR1245028A (fr) * 1959-09-25 1960-11-04 Presentations Artistiques Publ Panneau électrique publicitaire
US3248554A (en) * 1961-12-13 1966-04-26 Sperry Rand Corp Uniform intensity illumination system
US3328570A (en) * 1965-04-09 1967-06-27 Gen Electric Illuminated panel member
GB1130601A (en) * 1965-04-30 1968-10-16 Calorific Appliances Ltd Illuminated display apparatus
GB1284113A (en) * 1969-08-20 1972-08-02 Inst Avtomatiki I Telemekhanik Improvements relating to signs
US4059916A (en) * 1975-01-30 1977-11-29 Copal Company Limited Light diffusing device
US4068121A (en) * 1976-05-17 1978-01-10 Tally Corporation Light collector and prism light source for photoelectric readers
JPS54128450U ( ) * 1978-02-28 1979-09-06
US4385343A (en) * 1978-12-26 1983-05-24 Plumly George W Edge lighted devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2107958A1 (es) * 1994-05-18 1997-12-01 Sorelec Panel de representacion y de señalizacion.
EP0855552A3 (de) * 1997-01-23 2000-01-05 Zumtobel Staff GmbH Beleuchtungsanordnung für Arbeitsplätze

Also Published As

Publication number Publication date
ES8503156A1 (es) 1985-02-16
AU2968484A (en) 1984-12-18
ES532834A0 (es) 1985-02-16
SE8302959D0 (sv) 1983-05-26
WO1984004838A1 (en) 1984-12-06
SE8302959L (sv) 1984-11-27
EP0148861A1 (en) 1985-07-24

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Legal Events

Date Code Title Description
ST Notification of lapse