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DE60117689D1 - Projektionsschirme - Google Patents

Projektionsschirme

Info

Publication number
DE60117689D1
DE60117689D1 DE60117689T DE60117689T DE60117689D1 DE 60117689 D1 DE60117689 D1 DE 60117689D1 DE 60117689 T DE60117689 T DE 60117689T DE 60117689 T DE60117689 T DE 60117689T DE 60117689 D1 DE60117689 D1 DE 60117689D1
Authority
DE
Germany
Prior art keywords
polymeric material
refraction
screen
polymeric
index
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
DE60117689T
Other languages
English (en)
Other versions
DE60117689T2 (de
Inventor
Jiaying Ma
Zhiming Zhou
Robert S Moshrefzadeh
Albert I Everaerts
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Application granted granted Critical
Publication of DE60117689D1 publication Critical patent/DE60117689D1/de
Publication of DE60117689T2 publication Critical patent/DE60117689T2/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
    • 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
    • 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
    • G03B21/602—Lenticular 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Automatic Disk Changers (AREA)
  • Paper (AREA)
  • Transforming Electric Information Into Light Information (AREA)
DE60117689T 2001-01-17 2001-12-21 Projektionsschirme Expired - Fee Related DE60117689T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/761,896 US6819486B2 (en) 2001-01-17 2001-01-17 Projection screen having elongated structures
US761896 2001-01-17
PCT/US2001/050564 WO2002071148A2 (en) 2001-01-17 2001-12-21 Projection screens

Publications (2)

Publication Number Publication Date
DE60117689D1 true DE60117689D1 (de) 2006-05-04
DE60117689T2 DE60117689T2 (de) 2006-11-09

Family

ID=25063541

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60117689T Expired - Fee Related DE60117689T2 (de) 2001-01-17 2001-12-21 Projektionsschirme

Country Status (9)

Country Link
US (3) US6819486B2 (de)
EP (1) EP1352292B1 (de)
JP (1) JP2004519720A (de)
KR (1) KR20030068589A (de)
CN (2) CN101251711A (de)
AT (1) ATE320025T1 (de)
DE (1) DE60117689T2 (de)
DK (1) DK1352292T3 (de)
WO (1) WO2002071148A2 (de)

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Also Published As

Publication number Publication date
US20020163719A1 (en) 2002-11-07
CN1486448A (zh) 2004-03-31
DE60117689T2 (de) 2006-11-09
EP1352292A2 (de) 2003-10-15
CN101251711A (zh) 2008-08-27
US6819486B2 (en) 2004-11-16
US7405857B2 (en) 2008-07-29
US20050036199A1 (en) 2005-02-17
JP2004519720A (ja) 2004-07-02
US6940643B2 (en) 2005-09-06
DK1352292T3 (da) 2006-05-22
ATE320025T1 (de) 2006-03-15
EP1352292B1 (de) 2006-03-08
KR20030068589A (ko) 2003-08-21
WO2002071148A8 (en) 2003-11-13
US20050286124A1 (en) 2005-12-29
WO2002071148A3 (en) 2002-10-17
WO2002071148A2 (en) 2002-09-12

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