TWI276905B - Method for inhibiting the projecting of a shadow of a presenter onto a projecting screen - Google Patents

Method for inhibiting the projecting of a shadow of a presenter onto a projecting screen Download PDF

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Publication number
TWI276905B
TWI276905B TW093136108A TW93136108A TWI276905B TW I276905 B TWI276905 B TW I276905B TW 093136108 A TW093136108 A TW 093136108A TW 93136108 A TW93136108 A TW 93136108A TW I276905 B TWI276905 B TW I276905B
Authority
TW
Taiwan
Prior art keywords
projection screen
shadow
image
briefer
presenter
Prior art date
Application number
TW093136108A
Other languages
English (en)
Chinese (zh)
Other versions
TW200523658A (en
Inventor
Paul Ernest Vlahos
Original Assignee
Imatte Inc
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 Imatte Inc filed Critical Imatte Inc
Publication of TW200523658A publication Critical patent/TW200523658A/zh
Application granted granted Critical
Publication of TWI276905B publication Critical patent/TWI276905B/zh

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
    • G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
    • G03B37/04—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with cameras or projectors providing touching or overlapping fields of view
    • 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
    • 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
    • G03B21/14—Details
    • 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
    • G03B21/14—Details
    • G03B21/26—Projecting separately subsidiary matter simultaneously with main image

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
TW093136108A 2004-01-09 2004-11-24 Method for inhibiting the projecting of a shadow of a presenter onto a projecting screen TWI276905B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/754,147 US6860604B1 (en) 2004-01-09 2004-01-09 Method and apparatus for inhibiting the projection of a shadow of a presenter onto a projection screen

Publications (2)

Publication Number Publication Date
TW200523658A TW200523658A (en) 2005-07-16
TWI276905B true TWI276905B (en) 2007-03-21

Family

ID=34194988

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093136108A TWI276905B (en) 2004-01-09 2004-11-24 Method for inhibiting the projecting of a shadow of a presenter onto a projecting screen

Country Status (8)

Country Link
US (1) US6860604B1 (enExample)
EP (1) EP1709481A4 (enExample)
JP (1) JP4653117B2 (enExample)
KR (1) KR101142105B1 (enExample)
CN (1) CN100592198C (enExample)
MY (1) MY134417A (enExample)
TW (1) TWI276905B (enExample)
WO (1) WO2005072010A1 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006020661A2 (en) * 2004-08-10 2006-02-23 Nicholson Bruce A Sodium screen digital traveling matte methods and apparatus
US20060170871A1 (en) * 2005-02-01 2006-08-03 Dietz Paul H Anti-blinding safety feature for projection systems
US20070018989A1 (en) * 2005-07-20 2007-01-25 Playmotion, Llc Sensory integration therapy system and associated method of use
US7984995B2 (en) * 2006-05-24 2011-07-26 Smart Technologies Ulc Method and apparatus for inhibiting a subject's eyes from being exposed to projected light
JP5023587B2 (ja) * 2006-07-18 2012-09-12 富士ゼロックス株式会社 画像表示装置及び画像表示方法
JP4270264B2 (ja) * 2006-11-01 2009-05-27 セイコーエプソン株式会社 画像補正装置、プロジェクションシステム、画像補正方法、画像補正プログラム、および記録媒体
US20090124382A1 (en) * 2007-11-13 2009-05-14 David Lachance Interactive image projection system and method
JP2009193058A (ja) * 2008-01-18 2009-08-27 Seiko Epson Corp プロジェクションシステム、及びプロジェクタ
JP5408746B2 (ja) * 2009-07-31 2014-02-05 Ｎｅｃディスプレイソリューションズ株式会社 投射型表示装置及び光量調整方法
JP5596427B2 (ja) * 2010-06-09 2014-09-24 日本電信電話株式会社 光学投影制御方法、光学投影制御装置、光学投影制御システムおよびプログラム
JP5170176B2 (ja) * 2010-06-30 2013-03-27 ソニー株式会社 物体判断システム、物体判断方法およびプログラム
CN102385238B (zh) * 2010-09-03 2015-07-01 深圳华强数码电影有限公司 球幕投影放映的实现方法及系统
JP2012249008A (ja) * 2011-05-26 2012-12-13 Nippon Telegr & Teleph Corp <Ntt> 多重投影制御装置、多重投影制御方法、及び多重投影制御プログラム
US9197870B1 (en) 2012-09-12 2015-11-24 Amazon Technologies, Inc. Automatic projection focusing
JP6410079B2 (ja) * 2014-06-26 2018-10-24 パナソニックＩｐマネジメント株式会社 光投影装置及びそれを用いた照明装置
WO2016154282A1 (en) * 2015-03-23 2016-09-29 The Trustees Of Princeton University Spherical-motion average radiant temperature sensor
CN104954713B (zh) * 2015-06-16 2018-10-12 苏州佳世达光电有限公司 一种护眼投影方法及拼接投影装置
CN105245804A (zh) * 2015-09-06 2016-01-13 联想(北京)有限公司 一种信息处理方法和电子设备
CN106817550B (zh) * 2015-12-01 2022-06-03 中兴通讯股份有限公司 投影仪的投影方法及装置
CN106791747A (zh) * 2017-01-25 2017-05-31 触景无限科技（北京）有限公司 台灯互动展示的分时处理方法、装置以及台灯
US20230069899A1 (en) * 2020-02-19 2023-03-09 Valeo Vision Method for light projection in the interior of an automotive vehicle and automotive projector assembly
JP2021144472A (ja) * 2020-03-12 2021-09-24 ソニーグループ株式会社 情報処理システム、情報処理方法およびプログラム
CN111586386A (zh) * 2020-06-01 2020-08-25 光峰光电(无锡)有限公司 一种可自动对焦双向梯形校正的超短焦投影方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270820A (en) * 1992-06-25 1993-12-14 Ultimatte Corporation Method and apparatus for tracking a pointing device in a video field
JPH07162743A (ja) * 1993-12-03 1995-06-23 Matsushita Electric Ind Co Ltd 映写装置用画像処理装置および映写装置
GB9608770D0 (en) * 1996-04-27 1996-07-03 Philips Electronics Nv Projection display system
JP2001339671A (ja) * 2000-05-29 2001-12-07 Matsushita Electric Ind Co Ltd プロジェクター装置
KR20020001107A (ko) * 2000-06-26 2002-01-09 이형도 컴퓨터용 화상 카메라
JP2002107831A (ja) * 2000-09-28 2002-04-10 Nippon Hoso Kyokai <Nhk> 背面投射型マルチ画面ディスプレイ
US6361173B1 (en) 2001-02-16 2002-03-26 Imatte, Inc. Method and apparatus for inhibiting projection of selected areas of a projected image
KR100440498B1 (ko) * 2001-08-21 2004-07-15 최해용 광시야 고휘도 영상 시스템(廣視野 高輝度 映像係)

Also Published As

Publication number Publication date
KR101142105B1 (ko) 2012-05-08
WO2005072010A9 (en) 2006-03-30
TW200523658A (en) 2005-07-16
KR20060126702A (ko) 2006-12-08
EP1709481A1 (en) 2006-10-11
MY134417A (en) 2007-12-31
US6860604B1 (en) 2005-03-01
EP1709481A4 (en) 2008-06-18
CN1902544A (zh) 2007-01-24
CN100592198C (zh) 2010-02-24
JP4653117B2 (ja) 2011-03-16
WO2005072010A1 (en) 2005-08-04
JP2007520945A (ja) 2007-07-26

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