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FI20010860A0 - Projisointipinta - Google Patents

Projisointipinta

Info

Publication number
FI20010860A0
FI20010860A0 FI20010860A FI20010860A FI20010860A0 FI 20010860 A0 FI20010860 A0 FI 20010860A0 FI 20010860 A FI20010860 A FI 20010860A FI 20010860 A FI20010860 A FI 20010860A FI 20010860 A0 FI20010860 A0 FI 20010860A0
Authority
FI
Finland
Prior art keywords
projisieringsyta
Prior art date
Application number
FI20010860A
Other languages
English (en)
Swedish (sv)
Other versions
FI20010860L (fi
FI110214B (fi
Inventor
Seppo Lappalainen
Original Assignee
Seppo Lappalainen
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 FI20002716A external-priority patent/FI20002716L/fi
Application filed by Seppo Lappalainen filed Critical Seppo Lappalainen
Priority to FI20010860A priority Critical patent/FI110214B/fi
Publication of FI20010860A0 publication Critical patent/FI20010860A0/fi
Priority to US10/450,093 priority patent/US6980361B2/en
Priority to AU2002217167A priority patent/AU2002217167A1/en
Priority to PCT/FI2001/001061 priority patent/WO2002048790A1/en
Priority to EP01270804A priority patent/EP1350139A1/en
Publication of FI20010860L publication Critical patent/FI20010860L/fi
Application granted granted Critical
Publication of FI110214B publication Critical patent/FI110214B/fi

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
    • G03B21/567—Projection screens for colour projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
FI20010860A 2000-12-11 2001-04-25 Projisointipinta FI110214B (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20010860A FI110214B (fi) 2000-12-11 2001-04-25 Projisointipinta
US10/450,093 US6980361B2 (en) 2000-12-11 2001-12-07 Projection surface
AU2002217167A AU2002217167A1 (en) 2000-12-11 2001-12-07 Projection surface
PCT/FI2001/001061 WO2002048790A1 (en) 2000-12-11 2001-12-07 Projection surface
EP01270804A EP1350139A1 (en) 2000-12-11 2001-12-07 Projection surface

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI20002716 2000-12-11
FI20002716A FI20002716L (fi) 2000-12-11 2000-12-11 Heijastinkangas
FI20010860 2001-04-25
FI20010860A FI110214B (fi) 2000-12-11 2001-04-25 Projisointipinta

Publications (3)

Publication Number Publication Date
FI20010860A0 true FI20010860A0 (fi) 2001-04-25
FI20010860L FI20010860L (fi) 2002-06-12
FI110214B FI110214B (fi) 2002-12-13

Family

ID=26161097

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20010860A FI110214B (fi) 2000-12-11 2001-04-25 Projisointipinta

Country Status (5)

Country Link
US (1) US6980361B2 (fi)
EP (1) EP1350139A1 (fi)
AU (1) AU2002217167A1 (fi)
FI (1) FI110214B (fi)
WO (1) WO2002048790A1 (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7416306B2 (en) * 2003-06-06 2008-08-26 Matsushita Electric Industrial Co., Ltd. Laser projector
US7293879B2 (en) * 2003-10-23 2007-11-13 Hewlett-Packard Development Company, L.P. Projection screen
US20070091435A1 (en) * 2005-10-21 2007-04-26 Hewlett-Packard Development Company, L.P. Image pixel transformation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1998054A (en) * 1931-05-20 1935-04-16 Du Pont Cinema screen
GB413572A (en) * 1933-12-19 1934-07-19 Anders Christian Andersen Improvements in or relating to screens for the reception of optically projected images
US2943964A (en) * 1958-06-17 1960-07-05 Goldenberg Max Television viewing screen
JPS5029334B1 (fi) 1969-10-29 1975-09-22
US3881800A (en) * 1972-03-30 1975-05-06 Harris Intertype Corp Multicolor image memory
US4132462A (en) * 1977-09-12 1979-01-02 Acushnet Company Filamentary projection system
GB8922415D0 (en) 1989-10-05 1989-11-22 Emi Plc Thorn A screen and projector for use in a front projection system
JPH0815779A (ja) * 1994-06-27 1996-01-19 Hitachi Ltd 液晶プロジェクター用スクリーン
US5864426A (en) 1995-11-13 1999-01-26 Magma, Inc. Apparatus and method for increasing blue component gain from a video projection screen
US6529322B1 (en) * 1999-01-27 2003-03-04 University Of Georgia Research Foundation, Inc. High contrast front and rear viewing surfaces for projection displays
US6836361B2 (en) * 2002-11-27 2004-12-28 Alpha Hou Method and apparatus to increase visual contrast for video projection screen

Also Published As

Publication number Publication date
FI20010860L (fi) 2002-06-12
AU2002217167A1 (en) 2002-06-24
FI110214B (fi) 2002-12-13
US20040066493A1 (en) 2004-04-08
WO2002048790A1 (en) 2002-06-20
US6980361B2 (en) 2005-12-27
EP1350139A1 (en) 2003-10-08

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Legal Events

Date Code Title Description
MA Patent expired