JP2003153135A - 投射型表示装置 - Google Patents

投射型表示装置

Info

Publication number
JP2003153135A
JP2003153135A JP2001351853A JP2001351853A JP2003153135A JP 2003153135 A JP2003153135 A JP 2003153135A JP 2001351853 A JP2001351853 A JP 2001351853A JP 2001351853 A JP2001351853 A JP 2001351853A JP 2003153135 A JP2003153135 A JP 2003153135A
Authority
JP
Japan
Prior art keywords
screen
trapezoidal distortion
image
display device
liquid crystal
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.)
Pending
Application number
JP2001351853A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003153135A5 (enExample
Inventor
Yoshichika Hirao
義周 平尾
Naoki Kaize
直紀 海瀬
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP2001351853A priority Critical patent/JP2003153135A/ja
Priority to US10/293,618 priority patent/US6843569B2/en
Publication of JP2003153135A publication Critical patent/JP2003153135A/ja
Publication of JP2003153135A5 publication Critical patent/JP2003153135A5/ja
Pending 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]
    • H04N9/3191—Testing thereof
    • H04N9/3194—Testing thereof including sensor feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • 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)
  • Computer Graphics (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)
JP2001351853A 2001-11-16 2001-11-16 投射型表示装置 Pending JP2003153135A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2001351853A JP2003153135A (ja) 2001-11-16 2001-11-16 投射型表示装置
US10/293,618 US6843569B2 (en) 2001-11-16 2002-11-14 Projection type display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001351853A JP2003153135A (ja) 2001-11-16 2001-11-16 投射型表示装置

Publications (2)

Publication Number Publication Date
JP2003153135A true JP2003153135A (ja) 2003-05-23
JP2003153135A5 JP2003153135A5 (enExample) 2005-11-24

Family

ID=19164107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001351853A Pending JP2003153135A (ja) 2001-11-16 2001-11-16 投射型表示装置

Country Status (2)

Country Link
US (1) US6843569B2 (enExample)
JP (1) JP2003153135A (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006019869A (ja) * 2004-06-30 2006-01-19 Nec Viewtechnology Ltd 投写型表示装置およびメニュー映像の表示方法
CN100395654C (zh) * 2004-01-16 2008-06-18 三洋电机株式会社 投射型图像显示装置
US7600875B2 (en) 2005-02-15 2009-10-13 Casio Computer Co., Ltd. Image display apparatus, image display method, and recording medium
JP2009273015A (ja) * 2008-05-09 2009-11-19 Sanyo Electric Co Ltd 投写型映像表示装置
JP2012042659A (ja) * 2010-08-18 2012-03-01 Canon Inc 投影装置、投影方法、投影システム
EP2509321A2 (en) 2011-04-06 2012-10-10 Canon Kabushiki Kaisha Projection apparatus, control method thereof, and program

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7380946B1 (en) * 2003-01-28 2008-06-03 Pixelworks, Inc. Semiautomatic keystone correction system and method
JP2005006228A (ja) * 2003-06-13 2005-01-06 Casio Comput Co Ltd プロジェクタ
JP4155890B2 (ja) * 2003-07-15 2008-09-24 カシオ計算機株式会社 プロジェクタ、プロジェクタの傾斜角度取得方法及び投影像補正方法
JP3969363B2 (ja) * 2003-07-30 2007-09-05 カシオ計算機株式会社 プロジェクタ及びプロジェクタの投影像補正方法
US6997563B1 (en) 2004-05-19 2006-02-14 Pixelworks, Inc. Keystone correction derived from the parameters of projectors
US7399086B2 (en) * 2004-09-09 2008-07-15 Jan Huewel Image processing method and image processing device
JP2006091610A (ja) * 2004-09-27 2006-04-06 Sanyo Electric Co Ltd 投写型映像表示装置
US7441906B1 (en) 2005-07-05 2008-10-28 Pixelworks, Inc. Keystone correction system and method
JP2007067495A (ja) * 2005-08-29 2007-03-15 Toshiba Corp プロジェクタ装置
US20070182936A1 (en) * 2006-02-08 2007-08-09 Canon Kabushiki Kaisha Projection display apparatus
JP4917355B2 (ja) * 2006-05-30 2012-04-18 住友電気工業株式会社 圧粉磁心
TW200813601A (en) * 2006-09-06 2008-03-16 Coretronic Corp Projection device and the method for automatically adjusting an angle of a projection image
US8159615B2 (en) * 2007-07-25 2012-04-17 Sigma Designs, Inc. System and method of geometrical predistortion of overlaying graphics sources
JP5309534B2 (ja) * 2007-11-14 2013-10-09 船井電機株式会社 画像表示装置
JP2009177581A (ja) * 2008-01-25 2009-08-06 Ｎｅｃディスプレイソリューションズ株式会社 投射型表示装置および字幕表示方法
JP2009216815A (ja) * 2008-03-07 2009-09-24 Sanyo Electric Co Ltd 投写型映像表示装置
JP5481833B2 (ja) * 2008-10-29 2014-04-23 セイコーエプソン株式会社 プロジェクタおよびプロジェクタの制御方法
US8297757B2 (en) * 2008-10-29 2012-10-30 Seiko Epson Corporation Projector and projector control method
WO2010096030A1 (en) * 2009-02-18 2010-08-26 Thomson Licensing Method and apparatus for preparing subtitles for display
JP2011066738A (ja) * 2009-09-18 2011-03-31 Sanyo Electric Co Ltd 投写型映像表示装置
JP5997882B2 (ja) * 2011-07-21 2016-09-28 セイコーエプソン株式会社 プロジェクター及びプロジェクターの制御方法
US9298072B2 (en) * 2012-12-19 2016-03-29 Seiko Epson Corporation Projector having inclination detection section for detecting inclination of projector enclosure and method for controlling the same
JP6897191B2 (ja) * 2017-03-17 2021-06-30 セイコーエプソン株式会社 プロジェクターおよびプロジェクターの制御方法
CN110809143B (zh) * 2019-09-30 2021-05-25 深圳市火乐科技发展有限公司 梯形校正方法及相关产品
DE102021104346A1 (de) * 2021-02-24 2022-08-25 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zu einem Kompensieren von Projektionsfehlern bei einer Ausgabe von Bildern, System mit einer Recheneinheit zu einer Ausführung des Verfahrens und Computerprogramm

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639034A (en) * 1970-04-24 1972-02-01 Farrand Optical Co Inc Optical perspective generation system
JPS5642225A (en) * 1979-09-14 1981-04-20 Fuji Xerox Co Ltd Original for oblique projection and its making device
US5548357A (en) * 1995-06-06 1996-08-20 Xerox Corporation Keystoning and focus correction for an overhead projector
JP4089051B2 (ja) * 1998-02-18 2008-05-21 セイコーエプソン株式会社 画像処理装置および画像処理方法
CN1210944C (zh) * 1998-10-02 2005-07-13 旺宏电子股份有限公司 用于防止梯形失真的方法和装置
JP3509652B2 (ja) * 1999-08-23 2004-03-22 日本電気株式会社 プロジェクタ装置
US6511185B1 (en) * 2000-05-03 2003-01-28 Ati International Srl Method and apparatus for compensating a projected image
US6491400B1 (en) * 2000-10-24 2002-12-10 Eastman Kodak Company Correcting for keystone distortion in a digital image displayed by a digital projector
US6527395B1 (en) * 2001-12-10 2003-03-04 Mitsubishi Electric Research Laboratories, Inc. Method for calibrating a projector with a camera

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100395654C (zh) * 2004-01-16 2008-06-18 三洋电机株式会社 投射型图像显示装置
JP2006019869A (ja) * 2004-06-30 2006-01-19 Nec Viewtechnology Ltd 投写型表示装置およびメニュー映像の表示方法
US7600875B2 (en) 2005-02-15 2009-10-13 Casio Computer Co., Ltd. Image display apparatus, image display method, and recording medium
JP2009273015A (ja) * 2008-05-09 2009-11-19 Sanyo Electric Co Ltd 投写型映像表示装置
JP2012042659A (ja) * 2010-08-18 2012-03-01 Canon Inc 投影装置、投影方法、投影システム
EP2509321A2 (en) 2011-04-06 2012-10-10 Canon Kabushiki Kaisha Projection apparatus, control method thereof, and program
JP2012222517A (ja) * 2011-04-06 2012-11-12 Canon Inc 投影装置、その制御方法及びプログラム

Also Published As

Publication number Publication date
US6843569B2 (en) 2005-01-18
US20030095239A1 (en) 2003-05-22

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