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 muralInfo
- 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
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
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)
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)
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 |
IL92936A (en) | 1989-12-31 | 1998-02-08 | Smartlight Ltd | Self-masking transparency viewing apparatus |
US6311419B1 (en) | 1989-12-31 | 2001-11-06 | Smartlight Ltd. | Dedicated mammogram viewer |
JPH10503030A (ja) * | 1993-11-28 | 1998-03-17 | スマートライト・リミテッド | パッシブマトリクスlcdを備える透視装置 |
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)
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 |
-
1984
- 1984-02-22 FR FR8402671A patent/FR2559923B1/fr not_active Expired
Cited By (3)
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 |