JP2001264634A - リアプロジェクション光学系 - Google Patents

リアプロジェクション光学系

Info

Publication number
JP2001264634A
JP2001264634A JP2000081761A JP2000081761A JP2001264634A JP 2001264634 A JP2001264634 A JP 2001264634A JP 2000081761 A JP2000081761 A JP 2000081761A JP 2000081761 A JP2000081761 A JP 2000081761A JP 2001264634 A JP2001264634 A JP 2001264634A
Authority
JP
Japan
Prior art keywords
optical system
screen
projection optical
mirror
center
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
JP2000081761A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001264634A5 (enExample
Inventor
Kenji Konno
賢治 金野
Satoshi Osawa
聡 大澤
Atsushi Ishihara
淳 石原
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP2000081761A priority Critical patent/JP2001264634A/ja
Publication of JP2001264634A publication Critical patent/JP2001264634A/ja
Publication of JP2001264634A5 publication Critical patent/JP2001264634A5/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/22—Telecentric objectives or lens systems
    • 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
    • G03B21/28—Reflectors in projection beam
    • 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
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP2000081761A 2000-03-17 2000-03-17 リアプロジェクション光学系 Pending JP2001264634A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000081761A JP2001264634A (ja) 2000-03-17 2000-03-17 リアプロジェクション光学系

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000081761A JP2001264634A (ja) 2000-03-17 2000-03-17 リアプロジェクション光学系

Publications (2)

Publication Number Publication Date
JP2001264634A true JP2001264634A (ja) 2001-09-26
JP2001264634A5 JP2001264634A5 (enExample) 2006-02-09

Family

ID=18598654

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000081761A Pending JP2001264634A (ja) 2000-03-17 2000-03-17 リアプロジェクション光学系

Country Status (1)

Country Link
JP (1) JP2001264634A (enExample)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006085019A (ja) * 2004-09-17 2006-03-30 Mitsubishi Electric Corp 画像表示装置
JP2006138882A (ja) * 2004-11-10 2006-06-01 Konica Minolta Opto Inc 斜め投影光学系
US7163297B2 (en) 2001-11-09 2007-01-16 Mitsubishi Denki Kabushiki Kaisha Image display system
JP2007017707A (ja) * 2005-07-07 2007-01-25 Matsushita Electric Ind Co Ltd 投写光学系とそれを用いた映像拡大投写システム、ビデオプロジェクター、及びプロジェクションテレビ
JP2007143166A (ja) * 2005-11-22 2007-06-07 Samsung Electronics Co Ltd コンパクトな背面投射ディスプレイ
EP1852723A2 (en) 2006-05-01 2007-11-07 Ricoh Company, Ltd. Projection optical system and image display apparatus
JPWO2005036260A1 (ja) * 2003-10-14 2007-11-22 凸版印刷株式会社 フレネルレンズ及び透過型スクリーン、並びにこれらを用いた背面投写型ディスプレイ装置
JP2007334052A (ja) * 2006-06-15 2007-12-27 Hitachi Ltd 投写型映像表示装置とそのための投写光学ユニット
JPWO2006043666A1 (ja) * 2004-10-21 2008-05-22 ソニー株式会社 投射光学系及び投射型画像表示装置
JP2008225455A (ja) * 2007-02-14 2008-09-25 Konica Minolta Opto Inc 投影光学系
US7677738B2 (en) 2004-04-27 2010-03-16 Mitsubishi Electric Corporation Image projector
US7922340B2 (en) 2007-02-14 2011-04-12 Konica Minolta Opto, Inc. Projection optical system with enlargement at a varying magnification
JP2011075669A (ja) * 2009-09-29 2011-04-14 Hitachi Consumer Electronics Co Ltd 投射型映像表示装置

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7163297B2 (en) 2001-11-09 2007-01-16 Mitsubishi Denki Kabushiki Kaisha Image display system
US7237908B2 (en) 2001-11-09 2007-07-03 Mitsubishi Denki Kabushiki Kaisha Image display system
JP4556872B2 (ja) * 2003-10-14 2010-10-06 凸版印刷株式会社 フレネルレンズ及び透過型スクリーンを用いた背面投写型ディスプレイ装置
JPWO2005036260A1 (ja) * 2003-10-14 2007-11-22 凸版印刷株式会社 フレネルレンズ及び透過型スクリーン、並びにこれらを用いた背面投写型ディスプレイ装置
US7677738B2 (en) 2004-04-27 2010-03-16 Mitsubishi Electric Corporation Image projector
JP2006085019A (ja) * 2004-09-17 2006-03-30 Mitsubishi Electric Corp 画像表示装置
US8217374B2 (en) 2004-10-21 2012-07-10 Sony Corporation Projection optical system and projection-type image display apparatus
JPWO2006043666A1 (ja) * 2004-10-21 2008-05-22 ソニー株式会社 投射光学系及び投射型画像表示装置
US7670008B2 (en) 2004-11-10 2010-03-02 Konica Minolta Opto, Inc. Oblique projection optical system
JP2006138882A (ja) * 2004-11-10 2006-06-01 Konica Minolta Opto Inc 斜め投影光学系
JP2007017707A (ja) * 2005-07-07 2007-01-25 Matsushita Electric Ind Co Ltd 投写光学系とそれを用いた映像拡大投写システム、ビデオプロジェクター、及びプロジェクションテレビ
JP2007143166A (ja) * 2005-11-22 2007-06-07 Samsung Electronics Co Ltd コンパクトな背面投射ディスプレイ
EP1852723A3 (en) * 2006-05-01 2008-02-20 Ricoh Company, Ltd. Projection optical system and image display apparatus
US7529032B2 (en) 2006-05-01 2009-05-05 Ricoh Company, Ltd. Projection optical system and image display apparatus
EP1852723A2 (en) 2006-05-01 2007-11-07 Ricoh Company, Ltd. Projection optical system and image display apparatus
US7911704B2 (en) 2006-05-01 2011-03-22 Ricoh Company, Ltd. Projection optical system and image display apparatus
JP2007334052A (ja) * 2006-06-15 2007-12-27 Hitachi Ltd 投写型映像表示装置とそのための投写光学ユニット
JP2008225455A (ja) * 2007-02-14 2008-09-25 Konica Minolta Opto Inc 投影光学系
US7922340B2 (en) 2007-02-14 2011-04-12 Konica Minolta Opto, Inc. Projection optical system with enlargement at a varying magnification
JP2011075669A (ja) * 2009-09-29 2011-04-14 Hitachi Consumer Electronics Co Ltd 投射型映像表示装置

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