DK165308C - Bagfra belyst projektionsskaerm - Google Patents
Bagfra belyst projektionsskaermInfo
- Publication number
- DK165308C DK165308C DK472583A DK472583A DK165308C DK 165308 C DK165308 C DK 165308C DK 472583 A DK472583 A DK 472583A DK 472583 A DK472583 A DK 472583A DK 165308 C DK165308 C DK 165308C
- Authority
- DK
- Denmark
- Prior art keywords
- projection screen
- rear illuminated
- illuminated 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
- G03B21/625—Lenticular translucent screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57180790A JPS5969748A (ja) | 1982-10-15 | 1982-10-15 | 透過型投影スクリ−ン |
JP15592882 | 1982-10-15 | ||
JP18079082 | 1982-10-15 | ||
JP1982155928U JPS5961917U (ja) | 1982-10-15 | 1982-10-15 | レンチキユラ−レンズシ−ト成型用金型 |
JP18317582 | 1982-12-03 | ||
JP1982183175U JPS5987042U (ja) | 1982-12-03 | 1982-12-03 | レンチキユラ−レンズ板 |
Publications (4)
Publication Number | Publication Date |
---|---|
DK472583D0 DK472583D0 (da) | 1983-10-13 |
DK472583A DK472583A (da) | 1984-04-16 |
DK165308B DK165308B (da) | 1992-11-02 |
DK165308C true DK165308C (da) | 1993-03-22 |
Family
ID=27320919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK472583A DK165308C (da) | 1982-10-15 | 1983-10-13 | Bagfra belyst projektionsskaerm |
Country Status (3)
Country | Link |
---|---|
US (1) | US4509823A (da) |
CA (1) | CA1240867A (da) |
DK (1) | DK165308C (da) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4548469A (en) * | 1984-06-07 | 1985-10-22 | Mitsubishi Rayon Co., Ltd. | Rear projection screen |
DK156596C (da) * | 1985-08-30 | 1990-01-29 | Scan Screen Production A S | Transparent baglysprojektionsskaerm |
NL8503526A (nl) * | 1985-12-20 | 1987-07-16 | Philips Nv | Doorzichtprojektiescherm. |
JP2656770B2 (ja) * | 1987-07-21 | 1997-09-24 | 三菱レイヨン株式会社 | 透過型スクリーン |
US4964695A (en) * | 1987-10-06 | 1990-10-23 | North American Philips Corporation | Lenticular arrays for front projection screens and contrast improving method and device |
JP2695422B2 (ja) * | 1988-01-14 | 1997-12-24 | 三菱レイヨン株式会社 | 透過型スクリーン |
DK687288A (da) * | 1988-12-09 | 1990-06-10 | Dainippon Printing Co Ltd | Baglysprojektionsskaerm |
US4927233A (en) * | 1989-03-06 | 1990-05-22 | Mitsubishi Rayon Co., Ltd. | Rear projection screen |
JPH03216635A (ja) * | 1990-01-23 | 1991-09-24 | Pioneer Electron Corp | 投写スクリーン |
US6870681B1 (en) | 1992-09-21 | 2005-03-22 | University Of Arkansas, N.A. | Directional image transmission sheet and method of making same |
US6724536B2 (en) | 1990-05-18 | 2004-04-20 | University Of Arkansas | Directional image lenticular window sheet |
US6817532B2 (en) | 1992-02-12 | 2004-11-16 | Lenscard U.S., Llc | Wallet card with built-in light |
US6769618B1 (en) | 1992-02-12 | 2004-08-03 | Lenscard U.S., Llc | Wallet card with a magnifying lens and light |
US6176430B1 (en) * | 1992-02-12 | 2001-01-23 | Lenscard U.S. Llc | Method for making a wallet card with an integral magnifying lens |
JP2734914B2 (ja) * | 1992-12-14 | 1998-04-02 | 三菱電機株式会社 | 透過型スクリーンおよびその製造方法 |
US5933276A (en) * | 1994-04-13 | 1999-08-03 | Board Of Trustees, University Of Arkansas, N.A. | Aberration-free directional image window sheet |
US5642226A (en) * | 1995-01-18 | 1997-06-24 | Rosenthal; Bruce A. | Lenticular optical system |
US6424786B1 (en) | 1996-12-02 | 2002-07-23 | Honeywell International Inc. | Illumination assembly |
EP0874269B1 (en) * | 1997-04-25 | 2003-03-19 | Kuraray Co., Ltd. | Rear projection screen |
JPH1195005A (ja) * | 1997-09-19 | 1999-04-09 | Dainippon Printing Co Ltd | レンチキュラーレンズシートとその製造方法及び透過型スクリーン |
DE69830303T2 (de) * | 1997-12-29 | 2006-02-02 | Koninklijke Philips Electronics N.V. | Rückprojektionsschirm |
JP3537309B2 (ja) * | 1998-02-23 | 2004-06-14 | 大日本印刷株式会社 | 透過型スクリーン用レンズシート及び透過型スクリーン |
US6597502B2 (en) | 1998-02-23 | 2003-07-22 | Dai Nippon Printing Co., Ltd. | Rear projection screen with uniformity of luminance |
US6384970B1 (en) * | 1998-08-05 | 2002-05-07 | Kuraray Co., Ltd. | Lenticular lens sheet and method for producing it |
US6624934B1 (en) * | 1999-06-18 | 2003-09-23 | 3M Innovative Properties Company | Projection screen using variable power lenticular lens for asymmetric viewing angle |
US6535333B1 (en) | 2000-11-21 | 2003-03-18 | 3M Innovative Properties Company | Optical system with reduced color shift |
US6819486B2 (en) * | 2001-01-17 | 2004-11-16 | 3M Innovative Properties Company | Projection screen having elongated structures |
US6631030B2 (en) | 2001-03-30 | 2003-10-07 | 3M Innovative Properties Company | Projection screens and methods for making such projection screens |
US6870670B2 (en) | 2001-04-06 | 2005-03-22 | 3M Innovative Properties Company | Screens and methods for displaying information |
US20030163367A1 (en) * | 2001-04-06 | 2003-08-28 | 3M Innovative Properties Company | Screens and methods for displaying information |
DE10225636B4 (de) * | 2002-06-07 | 2013-06-06 | Helmut Würz | Einrichtung zur Erzeugung quasi-stereoskopischer Bildeindrücke aus flächigen zweidimensionalen Bildern |
KR100720879B1 (ko) * | 2002-08-09 | 2007-05-23 | 가부시키가이샤 구라레 | 렌티큘러 렌즈 시트의 제조 방법 |
TW586322B (en) * | 2002-12-18 | 2004-05-01 | Prodisc Technology Inc | Rear projection screen, optical component of a rear projection screen and method for manufacturing thereof |
TW589904B (en) * | 2002-12-18 | 2004-06-01 | Prodisc Technology Inc | Rear projection screen, optical component of rear projection screen and method for manufacturing thereof |
JP4380522B2 (ja) * | 2004-02-06 | 2009-12-09 | 日本ビクター株式会社 | マイクロレンズアレイ用複製型の製造方法 |
US7339737B2 (en) * | 2004-04-23 | 2008-03-04 | Microvision, Inc. | Beam multiplier that can be used as an exit-pupil expander and related system and method |
KR100623014B1 (ko) * | 2004-08-28 | 2006-09-19 | 엘지전자 주식회사 | 블랙매트릭스가 구비된 마이크로렌즈 배열 시트 및 그제조방법 |
KR20060133484A (ko) * | 2005-06-20 | 2006-12-26 | 히다치 막셀 가부시키가이샤 | 조명장치, 표시장치, 광학시트 및 그 제조방법 |
WO2008137322A1 (en) * | 2007-05-07 | 2008-11-13 | 3M Innovative Properties Company | Projection screen |
US7923675B2 (en) * | 2007-06-06 | 2011-04-12 | 3M Innovative Properties Company | Projection system having avirtual mask |
KR200457205Y1 (ko) | 2009-07-07 | 2011-12-08 | 장순구 | 렌즈 효과를 가지는 시트 및 이를 이용한 북 케이스 |
JP5382037B2 (ja) * | 2011-03-17 | 2014-01-08 | ブラザー工業株式会社 | レンチキュラーシート及びレンチキュラーシートの製造方法 |
KR20140064446A (ko) * | 2012-11-20 | 2014-05-28 | 삼성전자주식회사 | 프론트 프로젝션 디스플레이 장치용 반사형 스크린 |
KR20180010791A (ko) * | 2016-07-22 | 2018-01-31 | 삼성전자주식회사 | 지향성 백라이트 유닛, 이의 제작방법, 이를 포함하는 입체 영상 표시 장치 |
WO2020056484A1 (en) * | 2018-09-17 | 2020-03-26 | Hyperstealth Biotechnology Corporation | System and methods for laser scattering, deviation and manipulation |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3523717A (en) * | 1967-02-01 | 1970-08-11 | Gen Electric | Composite back projection screen |
US3848980A (en) * | 1971-08-24 | 1974-11-19 | Polaroid Corp | Projector apparatus and system employing unique screen |
JPS5251538Y2 (da) * | 1972-04-25 | 1977-11-22 | ||
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 |
JPS5879731U (ja) * | 1981-11-26 | 1983-05-30 | ソニー株式会社 | リアプロジエクタ装置 |
JPS58145933A (ja) * | 1982-02-25 | 1983-08-31 | Mitsubishi Rayon Co Ltd | 背面投影スクリ−ン |
US4452509A (en) * | 1982-04-28 | 1984-06-05 | Rca Corporation | Projection television screen having a selected audience envelope |
-
1983
- 1983-10-12 US US06/541,297 patent/US4509823A/en not_active Expired - Lifetime
- 1983-10-13 DK DK472583A patent/DK165308C/da not_active IP Right Cessation
- 1983-10-14 CA CA000439013A patent/CA1240867A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DK472583D0 (da) | 1983-10-13 |
CA1240867A (en) | 1988-08-23 |
DK165308B (da) | 1992-11-02 |
US4509823A (en) | 1985-04-09 |
DK472583A (da) | 1984-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUP | Patent expired |