DE69701978T2 - Rückprojektionsschirm - Google Patents

Rückprojektionsschirm

Info

Publication number
DE69701978T2
DE69701978T2 DE69701978T DE69701978T DE69701978T2 DE 69701978 T2 DE69701978 T2 DE 69701978T2 DE 69701978 T DE69701978 T DE 69701978T DE 69701978 T DE69701978 T DE 69701978T DE 69701978 T2 DE69701978 T2 DE 69701978T2
Authority
DE
Germany
Prior art keywords
triangular
pct
lens
light
image
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 - Fee Related
Application number
DE69701978T
Other languages
English (en)
Other versions
DE69701978D1 (de
Inventor
Erik Clausen
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.)
Prodisc Technology Inc
Original Assignee
SCAN VISION SCREEN APS ROSKILDE
SCAN VISION SCREEN APS ROSKILD
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
Priority claimed from DK30896A external-priority patent/DK30896A/da
Application filed by SCAN VISION SCREEN APS ROSKILDE, SCAN VISION SCREEN APS ROSKILD filed Critical SCAN VISION SCREEN APS ROSKILDE
Publication of DE69701978D1 publication Critical patent/DE69701978D1/de
Application granted granted Critical
Publication of DE69701978T2 publication Critical patent/DE69701978T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03B21/54—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
DE69701978T 1996-03-18 1997-03-17 Rückprojektionsschirm Expired - Fee Related DE69701978T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK30896A DK30896A (da) 1996-03-18 1996-03-18 Baglysprojektionsskærm
US2980196P 1996-10-31 1996-10-31
PCT/DK1997/000114 WO1997035228A1 (en) 1996-03-18 1997-03-17 Rear projection screen

Publications (2)

Publication Number Publication Date
DE69701978D1 DE69701978D1 (de) 2000-06-15
DE69701978T2 true DE69701978T2 (de) 2000-10-19

Family

ID=26063745

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69701978T Expired - Fee Related DE69701978T2 (de) 1996-03-18 1997-03-17 Rückprojektionsschirm

Country Status (10)

Country Link
US (1) US6097539A (de)
EP (1) EP0900408B1 (de)
JP (1) JP2000506630A (de)
CN (1) CN1216617A (de)
AT (1) ATE192857T1 (de)
AU (1) AU2152097A (de)
CA (1) CA2249528A1 (de)
DE (1) DE69701978T2 (de)
PL (1) PL329009A1 (de)
WO (1) WO1997035228A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6304378B1 (en) 1997-07-04 2001-10-16 Scan Vision Screen Aps Rear projection screen assembly having a projection screen with reflecting rib lenses
CN1231810C (zh) * 1999-07-02 2005-12-14 汤姆森许可公司 投影屏的双凸透镜
KR100649555B1 (ko) * 2001-03-27 2006-11-24 삼성에스디아이 주식회사 프로젝션 스크린과 이 스크린을 사용한 프로젝션 시스템
WO2004081650A2 (en) * 2003-03-12 2004-09-23 Avery Dennison Corporation Rear projection screens and methods of making the same
US20050226590A1 (en) * 2004-04-07 2005-10-13 Patel Falgun D Variable optical attenuator based on rare earth doped glass
US7835079B2 (en) * 2007-03-06 2010-11-16 Ostendo Technologies, Inc. Micro-structure based screen system for use in rear projection array display systems
CN104076592B (zh) * 2013-03-26 2018-06-05 上海科斗电子科技有限公司 指向光源裸眼3d投影系统及其3d成像屏幕

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578841A (en) * 1967-12-15 1971-05-18 William B Elmer Rear projection screen
US4418986A (en) * 1981-04-07 1983-12-06 Mitsubishi Rayon Co., Ltd. Rear projection screen
JPS58145933A (ja) * 1982-02-25 1983-08-31 Mitsubishi Rayon Co Ltd 背面投影スクリ−ン
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
US4875064A (en) * 1986-08-06 1989-10-17 Casio Computer Co., Ltd. Projector apparatus with mirror means
US4927233A (en) * 1989-03-06 1990-05-22 Mitsubishi Rayon Co., Ltd. Rear projection screen
NL8902112A (nl) * 1989-08-22 1991-03-18 Philips Nv Doorzichtprojektiescherm en doorzichtprojektiesysteem voorzien van een dergelijk scherm.
US5076661A (en) * 1991-01-23 1991-12-31 North American Philips Corp. Rear projection screen

Also Published As

Publication number Publication date
DE69701978D1 (de) 2000-06-15
WO1997035228A1 (en) 1997-09-25
CA2249528A1 (en) 1997-09-25
PL329009A1 (en) 1999-03-01
EP0900408A1 (de) 1999-03-10
CN1216617A (zh) 1999-05-12
ATE192857T1 (de) 2000-05-15
US6097539A (en) 2000-08-01
JP2000506630A (ja) 2000-05-30
EP0900408B1 (de) 2000-05-10
AU2152097A (en) 1997-10-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PRODISC TECHNOLOGY INC., TAIPEI, TW

8339 Ceased/non-payment of the annual fee