JP2003043582A - 画像投射ユニットおよび投射型画像表示装置 - Google Patents

画像投射ユニットおよび投射型画像表示装置

Info

Publication number
JP2003043582A
JP2003043582A JP2001233769A JP2001233769A JP2003043582A JP 2003043582 A JP2003043582 A JP 2003043582A JP 2001233769 A JP2001233769 A JP 2001233769A JP 2001233769 A JP2001233769 A JP 2001233769A JP 2003043582 A JP2003043582 A JP 2003043582A
Authority
JP
Japan
Prior art keywords
lens
projection
image
adjustment
projection unit
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.)
Abandoned
Application number
JP2001233769A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003043582A5 (enExample
Inventor
Shoji Suzuki
昭治 鈴木
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
Priority to JP2001233769A priority Critical patent/JP2003043582A/ja
Priority to US10/202,266 priority patent/US20030025844A1/en
Publication of JP2003043582A publication Critical patent/JP2003043582A/ja
Publication of JP2003043582A5 publication Critical patent/JP2003043582A5/ja
Abandoned 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
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
JP2001233769A 2001-08-01 2001-08-01 画像投射ユニットおよび投射型画像表示装置 Abandoned JP2003043582A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2001233769A JP2003043582A (ja) 2001-08-01 2001-08-01 画像投射ユニットおよび投射型画像表示装置
US10/202,266 US20030025844A1 (en) 2001-08-01 2002-07-24 Projection type image display apparatus and projection lens apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001233769A JP2003043582A (ja) 2001-08-01 2001-08-01 画像投射ユニットおよび投射型画像表示装置

Publications (2)

Publication Number Publication Date
JP2003043582A true JP2003043582A (ja) 2003-02-13
JP2003043582A5 JP2003043582A5 (enExample) 2005-04-14

Family

ID=19065503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001233769A Abandoned JP2003043582A (ja) 2001-08-01 2001-08-01 画像投射ユニットおよび投射型画像表示装置

Country Status (2)

Country Link
US (1) US20030025844A1 (enExample)
JP (1) JP2003043582A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007047408A (ja) * 2005-08-09 2007-02-22 Hitachi Ltd 投射型映像表示装置
JP2015143861A (ja) * 2015-02-12 2015-08-06 株式会社リコー 投射光学系および画像表示装置
US9348121B2 (en) 2012-11-05 2016-05-24 Ricoh Company, Ltd. Magnification optical system
US10451961B2 (en) 2011-11-04 2019-10-22 Ricoh Company, Ltd. Focus adjustment system for an image display device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005031295A (ja) * 2003-07-10 2005-02-03 Fujinon Corp 液晶プロジェクタ
JP3642338B2 (ja) * 2003-09-24 2005-04-27 セイコーエプソン株式会社 光学装置及びプロジェクタ
TW200732824A (en) * 2006-02-21 2007-09-01 Digimedia Technology Co Ltd Adjustment mechanism of optical path for projection display
US20070229769A1 (en) * 2006-04-03 2007-10-04 Digimedia Technology Co., Ltd. Adjustable light-modulating device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3574464A (en) * 1965-05-10 1971-04-13 Bradford Howland Camera test equipment and method
DE69534999T2 (de) * 1994-12-27 2007-03-15 Seiko Epson Corp. Prismeneinheit und diese verwendende Projektionsanzeigevorrichtung
JP3767047B2 (ja) * 1996-04-26 2006-04-19 セイコーエプソン株式会社 投写型表示装置
WO1998027453A1 (en) * 1996-12-18 1998-06-25 Seiko Epson Corporation Projection display
US6529250B1 (en) * 1997-05-22 2003-03-04 Seiko Epson Corporation Projector
US6092914A (en) * 1998-06-22 2000-07-25 Electronics Theatre Controls Zoom lighting fixture having multifunction actuator
JP2000075202A (ja) * 1998-09-01 2000-03-14 Canon Inc 投射レンズ及びそれを用いた投射装置
US6513934B1 (en) * 1999-02-17 2003-02-04 Canon Kabushiki Kaisha Projection apparatus and observation apparatus
JP2001228532A (ja) * 2000-02-16 2001-08-24 Canon Inc 投射型表示装置及びこれを用いた情報処理システム並びに画像記録再生システム
US6508557B1 (en) * 2000-06-28 2003-01-21 Koninklijke Philips Electronics N.V. Reflective LCD projector
US6668118B2 (en) * 2002-02-01 2003-12-23 Chiaro Networks Ltd. Cylindrical lens alignment method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007047408A (ja) * 2005-08-09 2007-02-22 Hitachi Ltd 投射型映像表示装置
US10451961B2 (en) 2011-11-04 2019-10-22 Ricoh Company, Ltd. Focus adjustment system for an image display device
US9348121B2 (en) 2012-11-05 2016-05-24 Ricoh Company, Ltd. Magnification optical system
US9841584B2 (en) 2012-11-05 2017-12-12 Ricoh Company, Ltd. Magnification optical system
US10310238B2 (en) 2012-11-05 2019-06-04 Ricoh Company, Ltd. Magnification optical system
US10606042B2 (en) 2012-11-05 2020-03-31 Ricoh Company, Ltd. Magnification optical system
JP2015143861A (ja) * 2015-02-12 2015-08-06 株式会社リコー 投射光学系および画像表示装置

Also Published As

Publication number Publication date
US20030025844A1 (en) 2003-02-06

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