DK0414313T3 - Bagprojektionsskærm og bagprojektionssystem omfattende en sådan skærm - Google Patents
Bagprojektionsskærm og bagprojektionssystem omfattende en sådan skærmInfo
- Publication number
- DK0414313T3 DK0414313T3 DK90202226.8T DK90202226T DK0414313T3 DK 0414313 T3 DK0414313 T3 DK 0414313T3 DK 90202226 T DK90202226 T DK 90202226T DK 0414313 T3 DK0414313 T3 DK 0414313T3
- Authority
- DK
- Denmark
- Prior art keywords
- screen
- rear projection
- projection system
- projection screen
- projection
- Prior art date
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
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
-
- 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
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
- G03B21/625—Lenticular translucent screens
-
- 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
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8902112A NL8902112A (nl) | 1989-08-22 | 1989-08-22 | Doorzichtprojektiescherm en doorzichtprojektiesysteem voorzien van een dergelijk scherm. |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0414313T3 true DK0414313T3 (da) | 1995-07-24 |
Family
ID=19855196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK90202226.8T DK0414313T3 (da) | 1989-08-22 | 1990-08-20 | Bagprojektionsskærm og bagprojektionssystem omfattende en sådan skærm |
Country Status (7)
Country | Link |
---|---|
US (1) | US5005945A (ja) |
EP (1) | EP0414313B1 (ja) |
JP (1) | JP2993718B2 (ja) |
KR (1) | KR0166360B1 (ja) |
DE (1) | DE69018735T2 (ja) |
DK (1) | DK0414313T3 (ja) |
NL (1) | NL8902112A (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5706062A (en) * | 1993-06-20 | 1998-01-06 | Unic View Ltd. | Projector system including keystone correction |
US5617152A (en) * | 1993-06-20 | 1997-04-01 | Unic View Ltd. | Projector system for video and computer generated information |
US5481385A (en) * | 1993-07-01 | 1996-01-02 | Alliedsignal Inc. | Direct view display device with array of tapered waveguide on viewer side |
US5521726A (en) * | 1994-08-26 | 1996-05-28 | Alliedsignal Inc. | Polarizer with an array of tapered waveguides |
US5657408A (en) * | 1994-12-23 | 1997-08-12 | Alliedsignal Inc. | Optical device comprising a plurality of units having at least two geometrically-differentiated tapered optical waveguides therein |
US5760955A (en) * | 1995-04-06 | 1998-06-02 | Philips Electronics North America Corporation | Rear projection screen with reduced speckle |
JP2000506630A (ja) * | 1996-03-18 | 2000-05-30 | スキャン ビジョン スクリーン エーピーエス | 後方投影スクリーン |
US6280063B1 (en) | 1997-05-09 | 2001-08-28 | 3M Innovative Properties Company | Brightness enhancement article |
JPH11102024A (ja) * | 1997-09-29 | 1999-04-13 | Dainippon Printing Co Ltd | 透過型スクリーン |
US6600599B2 (en) | 1998-06-09 | 2003-07-29 | Avery Dennison Corporation | Rear projection screens and light filters with conformable coatings and methods of making the same |
JP2001054131A (ja) * | 1999-05-31 | 2001-02-23 | Olympus Optical Co Ltd | カラー画像表示システム |
US6417966B1 (en) * | 1999-07-07 | 2002-07-09 | 3M Innovative Properties Company | Rear projection screen using internal reflection |
US6570710B1 (en) * | 1999-11-12 | 2003-05-27 | Reflexite Corporation | Subwavelength optical microstructure light collimating films |
US6356389B1 (en) | 1999-11-12 | 2002-03-12 | Reflexite Corporation | Subwavelength optical microstructure light collimating films |
AU2002368252A1 (en) * | 2002-10-07 | 2004-04-23 | Dnp Denmark A/S | Rear projection screen adapted for a free-space application |
FR2849932B1 (fr) | 2003-01-15 | 2005-02-18 | Saint Gobain | Ecran de retroprojection et/ou de projection |
JP2004271777A (ja) * | 2003-03-07 | 2004-09-30 | Dainippon Printing Co Ltd | 光学部材 |
KR100788524B1 (ko) * | 2003-03-25 | 2007-12-24 | 다이니폰 인사츠 가부시키가이샤 | 확산시트, 이를 갖춘 투과형 스크린, 확산시트용 성형틀의제작방법 및 확산시트의 제조방법 |
CN101191845A (zh) * | 2006-12-01 | 2008-06-04 | 鸿富锦精密工业(深圳)有限公司 | 光学板 |
JP5616009B2 (ja) * | 2008-09-22 | 2014-10-29 | アズビル株式会社 | 反射型光電センサおよび物体検出方法 |
DE102009005273A1 (de) | 2009-01-20 | 2010-07-22 | Mitja Jelusic | Rückprojektionssystem, Verfahren zur Herstellung und Anwendung |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4418986A (en) * | 1981-04-07 | 1983-12-06 | Mitsubishi Rayon Co., Ltd. | Rear projection screen |
US4469402A (en) * | 1981-06-15 | 1984-09-04 | Mitsubishi Rayon Co., Ltd. | Rear projection screen |
DK156188C (da) * | 1983-05-10 | 1989-11-27 | Scan Screen Production A S | Transparent baglysprojektionsskaerm |
DK151320C (da) * | 1983-10-12 | 1988-05-09 | Scan Screen | Transparent baglysprojektionsskaerm |
US4573764A (en) * | 1983-12-30 | 1986-03-04 | North American Philips Consumer Electronics Corp. | Rear projection screen |
US4679900A (en) * | 1986-06-05 | 1987-07-14 | North American Philips Corporation | Bulk diffuser for a projection television screen |
NL8700135A (nl) * | 1987-01-21 | 1988-08-16 | Philips Nv | Doorzichtprojektiescherm en doorzichtprojektiesysteem voorzien van een dergelijk scherm. |
US4730897A (en) * | 1987-04-21 | 1988-03-15 | North American Philips Corporation | Projection screen having high resolution and good mechanical stability |
US4773731A (en) * | 1987-08-28 | 1988-09-27 | North American Philips Corp. | One-piece projection screen |
-
1989
- 1989-08-22 NL NL8902112A patent/NL8902112A/nl not_active Application Discontinuation
-
1990
- 1990-07-19 US US07/556,939 patent/US5005945A/en not_active Expired - Lifetime
- 1990-08-20 DE DE69018735T patent/DE69018735T2/de not_active Expired - Fee Related
- 1990-08-20 EP EP90202226A patent/EP0414313B1/en not_active Expired - Lifetime
- 1990-08-20 DK DK90202226.8T patent/DK0414313T3/da active
- 1990-08-20 KR KR1019900012782A patent/KR0166360B1/ko not_active IP Right Cessation
- 1990-08-21 JP JP2218256A patent/JP2993718B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0414313A1 (en) | 1991-02-27 |
US5005945A (en) | 1991-04-09 |
JP2993718B2 (ja) | 1999-12-27 |
DE69018735D1 (de) | 1995-05-24 |
KR910005089A (ko) | 1991-03-30 |
EP0414313B1 (en) | 1995-04-19 |
NL8902112A (nl) | 1991-03-18 |
DE69018735T2 (de) | 1996-01-04 |
JPH0384532A (ja) | 1991-04-10 |
KR0166360B1 (ko) | 1999-05-01 |
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