DE602004010560D1 - Optisches Projektionssystem mit variablem Projektionswinkel - Google Patents

Optisches Projektionssystem mit variablem Projektionswinkel

Info

Publication number
DE602004010560D1
DE602004010560D1 DE602004010560T DE602004010560T DE602004010560D1 DE 602004010560 D1 DE602004010560 D1 DE 602004010560D1 DE 602004010560 T DE602004010560 T DE 602004010560T DE 602004010560 T DE602004010560 T DE 602004010560T DE 602004010560 D1 DE602004010560 D1 DE 602004010560D1
Authority
DE
Germany
Prior art keywords
variable
projection
angle
optical
projection system
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 - Lifetime
Application number
DE602004010560T
Other languages
English (en)
Other versions
DE602004010560T2 (de
Inventor
Koshi Hatakeyama
Toshihiro Sunaga
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Publication of DE602004010560D1 publication Critical patent/DE602004010560D1/de
Application granted granted Critical
Publication of DE602004010560T2 publication Critical patent/DE602004010560T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3185—Geometric adjustment, e.g. keystone or convergence

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)
DE602004010560T 2003-03-18 2004-03-18 Optisches Projektionssystem mit variablem Projektionswinkel Expired - Lifetime DE602004010560T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003074658 2003-03-18
JP2003074658A JP4086686B2 (ja) 2003-03-18 2003-03-18 投射光学系、投射型画像表示装置および画像表示システム

Publications (2)

Publication Number Publication Date
DE602004010560D1 true DE602004010560D1 (de) 2008-01-24
DE602004010560T2 DE602004010560T2 (de) 2008-11-27

Family

ID=32821332

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004010560T Expired - Lifetime DE602004010560T2 (de) 2003-03-18 2004-03-18 Optisches Projektionssystem mit variablem Projektionswinkel

Country Status (4)

Country Link
US (2) US7086742B2 (de)
EP (1) EP1460842B1 (de)
JP (1) JP4086686B2 (de)
DE (1) DE602004010560T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2878968B1 (fr) * 2004-12-03 2008-02-22 Thomson Licensing Sa Systeme de projection
JP2006099071A (ja) * 2004-09-01 2006-04-13 Konica Minolta Opto Inc 画像投影装置
KR100677134B1 (ko) * 2004-09-24 2007-02-02 삼성전자주식회사 박형 투사 광학계 및 이를 채용한 화상 표시 장치
JP4963346B2 (ja) * 2004-10-14 2012-06-27 キヤノン株式会社 投射光学系、及びそれを有する投射型表示装置
JP2006276336A (ja) * 2005-03-29 2006-10-12 Konica Minolta Opto Inc 画像投写装置
KR100657338B1 (ko) * 2005-09-26 2006-12-14 삼성전자주식회사 투사형 화상표시장치
JP4910384B2 (ja) * 2005-12-16 2012-04-04 株式会社日立製作所 自由曲面光学素子およびそれを含む投射光学ユニットまたは投射型画像表示装置
EP2008142A1 (de) * 2006-03-31 2008-12-31 Tte Technology, Inc. Projektionslinsensystem und verfahren
JP5030732B2 (ja) * 2006-12-04 2012-09-19 株式会社リコー 投射光学系及び画像投射装置
US20090323739A1 (en) * 2006-12-22 2009-12-31 Uv Tech Systems Laser optical system
JP4329863B2 (ja) * 2007-02-14 2009-09-09 コニカミノルタオプト株式会社 投影光学系及び画像投影装置
US7922340B2 (en) 2007-02-14 2011-04-12 Konica Minolta Opto, Inc. Projection optical system with enlargement at a varying magnification
JP5091726B2 (ja) * 2008-03-10 2012-12-05 株式会社日立製作所 投射型映像表示システム
US8016434B2 (en) 2008-06-05 2011-09-13 Disney Enterprises, Inc. Method and system for projecting an animated object and concurrently moving the object's projection area through an animation pattern
JP5365155B2 (ja) 2008-11-21 2013-12-11 ソニー株式会社 投射型画像表示装置および投射光学系
JP6064535B2 (ja) * 2012-11-14 2017-01-25 株式会社リコー 投射光学系及びそれを備えた画像表示装置
JP7120259B2 (ja) * 2020-01-24 2022-08-17 セイコーエプソン株式会社 投写光学系、およびプロジェクター
CN114640833B (zh) * 2022-03-11 2024-07-02 峰米(重庆)创新科技有限公司 投影画面调整方法、装置、电子设备和存储介质

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5262434A (en) 1975-11-18 1977-05-23 Fuji Photo Film Co Ltd Image distortion correction device for projector
JP3320862B2 (ja) * 1992-11-26 2002-09-03 旭光学工業株式会社 投影光学系の瞳共役結合装置
US6208318B1 (en) * 1993-06-24 2001-03-27 Raytheon Company System and method for high resolution volume display using a planar array
JP3320252B2 (ja) 1995-04-24 2002-09-03 キヤノン株式会社 反射型の光学系及びそれを用いた撮像装置
JP3291974B2 (ja) 1995-04-24 2002-06-17 キヤノン株式会社 ズーム光学系及びそれを備える撮像装置
JP3715686B2 (ja) 1995-06-21 2005-11-09 キヤノン株式会社 処理方法及びそれを用いた処理装置
JP3405061B2 (ja) 1996-05-15 2003-05-12 ミノルタ株式会社 投影光学装置
JP4065461B2 (ja) 1996-02-15 2008-03-26 キヤノン株式会社 ズーム光学系及びそれを用いた撮像装置
JPH10282451A (ja) 1997-04-04 1998-10-23 Minolta Co Ltd 斜め投影光学系
JP2000089227A (ja) 1998-09-09 2000-03-31 Canon Inc 投射型表示装置
JP2001033690A (ja) 1999-07-15 2001-02-09 Minolta Co Ltd 斜め投影光学系
US6412972B1 (en) * 1999-12-10 2002-07-02 Altman Stage Lighting Company Digital light protection apparatus with digital micromirror device and rotatable housing
JP3840031B2 (ja) 2000-03-09 2006-11-01 キヤノン株式会社 投射光学系及びそれを用いた投射型表示装置
GB0022065D0 (en) * 2000-09-08 2000-10-25 Wynne Willson Gottelier Ltd Image projection apparatus
JP2003043360A (ja) * 2001-08-03 2003-02-13 Canon Inc 結像光学系、投射型画像表示装置および撮像装置
JP2003177320A (ja) * 2001-12-12 2003-06-27 Nec Viewtechnology Ltd 反射型結像光学系およびプロジェクター
JP4266660B2 (ja) * 2003-02-18 2009-05-20 キヤノン株式会社 投射型表示光学系および投射型画像表示装置
US6817722B1 (en) * 2003-09-25 2004-11-16 Hewlett-Packard Development Company, L.P. Method and system for reducing moiré in displays

Also Published As

Publication number Publication date
JP2004279988A (ja) 2004-10-07
US7086742B2 (en) 2006-08-08
EP1460842B1 (de) 2007-12-12
US20040184009A1 (en) 2004-09-23
EP1460842A1 (de) 2004-09-22
US20060126029A1 (en) 2006-06-15
US7252389B2 (en) 2007-08-07
JP4086686B2 (ja) 2008-05-14
DE602004010560T2 (de) 2008-11-27

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Legal Events

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