FR2559923B1 - Systeme pour faire de la projection commentee de documents transparents ou de diapositives sur un ecran mural - Google Patents

Systeme pour faire de la projection commentee de documents transparents ou de diapositives sur un ecran mural

Info

Publication number
FR2559923B1
FR2559923B1 FR8402671A FR8402671A FR2559923B1 FR 2559923 B1 FR2559923 B1 FR 2559923B1 FR 8402671 A FR8402671 A FR 8402671A FR 8402671 A FR8402671 A FR 8402671A FR 2559923 B1 FR2559923 B1 FR 2559923B1
Authority
FR
France
Prior art keywords
slides
common projection
wall screen
transparent documents
documents
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
FR8402671A
Other languages
English (en)
Other versions
FR2559923A1 (fr
Inventor
Jean-Pierre Barrot
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR8402671A priority Critical patent/FR2559923B1/fr
Publication of FR2559923A1 publication Critical patent/FR2559923A1/fr
Application granted granted Critical
Publication of FR2559923B1 publication Critical patent/FR2559923B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/26—Projecting separately subsidiary matter simultaneously with main image
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Overhead Projectors And Projection Screens (AREA)
FR8402671A 1984-02-22 1984-02-22 Systeme pour faire de la projection commentee de documents transparents ou de diapositives sur un ecran mural Expired FR2559923B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8402671A FR2559923B1 (fr) 1984-02-22 1984-02-22 Systeme pour faire de la projection commentee de documents transparents ou de diapositives sur un ecran mural

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8402671A FR2559923B1 (fr) 1984-02-22 1984-02-22 Systeme pour faire de la projection commentee de documents transparents ou de diapositives sur un ecran mural

Publications (2)

Publication Number Publication Date
FR2559923A1 FR2559923A1 (fr) 1985-08-23
FR2559923B1 true FR2559923B1 (fr) 1986-12-26

Family

ID=9301272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8402671A Expired FR2559923B1 (fr) 1984-02-22 1984-02-22 Systeme pour faire de la projection commentee de documents transparents ou de diapositives sur un ecran mural

Country Status (1)

Country Link
FR (1) FR2559923B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5227821A (en) 1987-04-30 1993-07-13 Nview Corporation Liquid crystal display for projection systems
US5255029A (en) 1987-04-30 1993-10-19 Nview Corporation Liquid crystal display for projection systems

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2606892A2 (fr) * 1986-02-04 1988-05-20 Cornuejols Georges Controleur electronique matriciel d'obturation pour appareil de transmission optique d'image ou de projection
FR2595493A1 (fr) * 1986-03-07 1987-09-11 Thomson Csf Systeme de visualisation a ecran plat
FR2596880A1 (fr) * 1986-04-02 1987-10-09 Prestinox Sa Appareil de projection directe et/ou de retroprojection d'informations et/ou images fixes ou animees
FR2603389B1 (fr) * 1986-09-02 1988-11-10 Sodeteg Systeme de visualisation individuelle et synchronisee pour salle de spectacle ou salle de reunion
US5187510A (en) * 1987-04-30 1993-02-16 Nview Corporation Liquid crystal display for projection systems
US4944578A (en) * 1988-07-21 1990-07-31 Telex Communications Color graphic imager utilizing a liquid crystal display
US5499036A (en) * 1988-07-21 1996-03-12 Proxima Corporation Display control apparatus and method of using same
US5101197A (en) * 1988-08-17 1992-03-31 In Focus Systems, Inc. Electronic transparency method and apparatus
US4953971A (en) * 1988-10-17 1990-09-04 Highfill Robert R Interactive image projection apparatus
DE3840628A1 (de) * 1988-12-02 1990-06-28 Kodak Ag Optische einrichtung
US4991956A (en) * 1989-03-02 1991-02-12 Griffin Stephen L Apparatus for facilitating correlation with a transparency image
FR2645286B1 (fr) * 1989-03-29 1992-01-03 Gen Electric Cgr Table lumineuse de radiographie
DE3936379A1 (de) * 1989-11-02 1991-05-08 Leica Camera Gmbh Diaprojektor fuer gefachmagazine
US6311419B1 (en) 1989-12-31 2001-11-06 Smartlight Ltd. Dedicated mammogram viewer
IL92936A (en) 1989-12-31 1998-02-08 Smartlight Ltd Self-masking transparency viewing apparatus
US5790216A (en) * 1993-11-28 1998-08-04 Smartlight Ltd. Viewing apparatus and work station
US6079832A (en) * 1996-12-31 2000-06-27 Eastman Kodak Company Annotation displaying projector
US5963276A (en) * 1997-01-09 1999-10-05 Smartlight Ltd. Back projection transparency viewer with overlapping pixels
US6474819B2 (en) * 2000-03-21 2002-11-05 Texas Instruments Incorporated Combination overhead projector and electronic display device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH539315A (de) * 1971-12-03 1973-07-15 Bbc Brown Boveri & Cie Informationsträger für Projektionszwecke
FR2285629A1 (fr) * 1974-09-17 1976-04-16 Minnesota Mining & Mfg Dispositif de projection
DE2700593A1 (de) * 1977-01-08 1978-07-20 Theo Dipl Ing Dr Ing Huettner Anordnung zur projektion elektrotechnischer und elektronischer oder physikalischer schaltungen oder versuchsanordnungen fuer lehr- und anschauungszwecke
FR2496304A1 (fr) * 1980-12-11 1982-06-18 Dassault Electronique Dispositif de visualisation d'informations sur une image
JPS58122528A (ja) * 1982-01-14 1983-07-21 Toshiba Corp プロジエクタ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5227821A (en) 1987-04-30 1993-07-13 Nview Corporation Liquid crystal display for projection systems
US5255029A (en) 1987-04-30 1993-10-19 Nview Corporation Liquid crystal display for projection systems
US5404185A (en) 1987-04-30 1995-04-04 Nview Corporation Liquid crystal display for projection systems

Also Published As

Publication number Publication date
FR2559923A1 (fr) 1985-08-23

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Legal Events

Date Code Title Description
ST Notification of lapse