JPH11305117A5 - - Google Patents
Info
- Publication number
- JPH11305117A5 JPH11305117A5 JP1998115204A JP11520498A JPH11305117A5 JP H11305117 A5 JPH11305117 A5 JP H11305117A5 JP 1998115204 A JP1998115204 A JP 1998115204A JP 11520498 A JP11520498 A JP 11520498A JP H11305117 A5 JPH11305117 A5 JP H11305117A5
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- plane
- paper
- crystal panel
- polarized wave
- 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
Links
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10115204A JPH11305117A (ja) | 1998-04-24 | 1998-04-24 | 投射レンズ及び投射レンズの焦点調整方法 |
| US09/294,380 US6144503A (en) | 1998-04-24 | 1999-04-20 | Projection lens and focus adjusting method for projection lens |
| CA002269484A CA2269484C (en) | 1998-04-24 | 1999-04-21 | Projection lens and focus adjusting method for projection lens |
| DE69912674T DE69912674T2 (de) | 1998-04-24 | 1999-04-22 | Projektionsobjektiv und Verfahren zur Fokussierung |
| ES99303114T ES2209331T3 (es) | 1998-04-24 | 1999-04-22 | Lente de proyeccion y metodo de ajuste del foco para lente de proyeccion. |
| EP99303114A EP0952474B1 (en) | 1998-04-24 | 1999-04-22 | Projection lens and focus adjusting method for projection lens |
| KR1019990014446A KR100591782B1 (ko) | 1998-04-24 | 1999-04-22 | 투사렌즈 및 투사렌즈용 초점조정방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10115204A JPH11305117A (ja) | 1998-04-24 | 1998-04-24 | 投射レンズ及び投射レンズの焦点調整方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11305117A JPH11305117A (ja) | 1999-11-05 |
| JPH11305117A5 true JPH11305117A5 (enExample) | 2005-07-28 |
Family
ID=14656942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10115204A Pending JPH11305117A (ja) | 1998-04-24 | 1998-04-24 | 投射レンズ及び投射レンズの焦点調整方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6144503A (enExample) |
| EP (1) | EP0952474B1 (enExample) |
| JP (1) | JPH11305117A (enExample) |
| KR (1) | KR100591782B1 (enExample) |
| CA (1) | CA2269484C (enExample) |
| DE (1) | DE69912674T2 (enExample) |
| ES (1) | ES2209331T3 (enExample) |
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001343706A (ja) * | 2000-05-31 | 2001-12-14 | Sony Corp | 映像表示装置 |
| JP4224938B2 (ja) * | 2000-10-17 | 2009-02-18 | コニカミノルタオプト株式会社 | 斜め投影光学系 |
| JP2003015033A (ja) | 2001-06-28 | 2003-01-15 | Minolta Co Ltd | 投射光学系 |
| KR100542760B1 (ko) * | 2001-07-31 | 2006-01-20 | 엘지전자 주식회사 | 프로젝션 시스템의 투사렌즈계 |
| EP1422543A4 (en) * | 2001-08-28 | 2005-06-29 | Sony Corp | PROJECTION LENS |
| KR100441591B1 (ko) * | 2002-07-02 | 2004-07-23 | 삼성전자주식회사 | 영상투사장치의 투사렌즈계 |
| US7175287B2 (en) * | 2002-08-16 | 2007-02-13 | Infocus Corporation | Wide angle projection lens |
| US7009765B2 (en) * | 2002-08-16 | 2006-03-07 | Infocus Corporation | Wide angle lens system having a distorted intermediate image |
| US6896375B2 (en) * | 2002-08-16 | 2005-05-24 | Infocus Corporation | Rear projection display device having multiple mirrors that are substantially parallel to a screen |
| US7150537B2 (en) * | 2002-08-16 | 2006-12-19 | Infocus Corporation | Projection television device and screen |
| US7102820B2 (en) * | 2002-08-16 | 2006-09-05 | Infocus Corporation | Flat valley fresnel lens for a display device |
| US7341353B2 (en) * | 2002-08-16 | 2008-03-11 | Infocus Corporation | Variable fresnel screen for use in projection device |
| US6853493B2 (en) | 2003-01-07 | 2005-02-08 | 3M Innovative Properties Company | Folded, telecentric projection lenses for use with pixelized panels |
| US6765731B1 (en) | 2003-03-28 | 2004-07-20 | 3M Innovative Properties Company | Low element count projection lenses for use with pixelized panels |
| JP2004326079A (ja) * | 2003-04-10 | 2004-11-18 | Seiko Epson Corp | 投射レンズ及び投写型画像表示装置 |
| JP2004354437A (ja) * | 2003-05-27 | 2004-12-16 | Fuji Photo Optical Co Ltd | リアプロジェクション装置 |
| US7080910B2 (en) * | 2003-08-19 | 2006-07-25 | Infocus Corporation | Method and system for a thermal architecture and user adjustable keystone in a display device |
| JP4196815B2 (ja) * | 2003-11-28 | 2008-12-17 | 株式会社日立製作所 | 背面投写型映像表示装置 |
| EP1698182A1 (en) * | 2003-12-16 | 2006-09-06 | Koninklijke Philips Electronics N.V. | Rotatable projection lens for rear-projection applications |
| US7259912B2 (en) | 2004-01-06 | 2007-08-21 | Infocus Corporation | Fresnel lens having reduced distortions |
| JP4333401B2 (ja) | 2004-02-19 | 2009-09-16 | セイコーエプソン株式会社 | 小型ズームレンズ |
| US7116498B2 (en) * | 2004-03-12 | 2006-10-03 | Sony Corporation | Projection optical system and image projection apparatus |
| WO2005124419A1 (ja) * | 2004-06-17 | 2005-12-29 | Nikon Corporation | プロジェクターレンズ及びこのプロジェクターレンズを用いたプロジェクター装置 |
| JP2006047948A (ja) * | 2004-06-29 | 2006-02-16 | Konica Minolta Opto Inc | 投影光学系およびそれを備えた投影装置 |
| WO2006068363A1 (en) * | 2004-12-21 | 2006-06-29 | Lg Electronics Inc. | Thin type projector |
| KR100672506B1 (ko) * | 2004-12-22 | 2007-01-24 | 엘지전자 주식회사 | 프로젝터의 투사 장치 |
| JP4823641B2 (ja) * | 2005-10-19 | 2011-11-24 | 富士フイルム株式会社 | 投写レンズおよびこれを用いた投写型表示装置 |
| JP2007225776A (ja) * | 2006-02-22 | 2007-09-06 | Konica Minolta Opto Inc | 画像投影装置 |
| TWI284747B (en) * | 2006-05-18 | 2007-08-01 | Young Optics Inc | Fixed-focus lens |
| KR100862013B1 (ko) | 2007-01-23 | 2008-10-07 | 정승태 | 렌즈를 사용하는 광학장치의 결상면 밝기 보정용 필터 |
| JP2008203604A (ja) * | 2007-02-21 | 2008-09-04 | Hitachi Ltd | 投射型映像表示装置 |
| TW200903026A (en) * | 2007-07-12 | 2009-01-16 | Young Optics Inc | Fixed-focus lens |
| US7605988B2 (en) * | 2007-07-23 | 2009-10-20 | Angstrom, Inc. | Compact image taking lens system with a lens-surfaced prism |
| JP5009726B2 (ja) * | 2007-09-03 | 2012-08-22 | 富士フイルム株式会社 | 投影レンズおよびこれを用いた投写型表示装置 |
| US20090185067A1 (en) * | 2007-12-21 | 2009-07-23 | Stereo Display, Inc. | Compact automatic focusing camera |
| JP5358280B2 (ja) * | 2009-05-12 | 2013-12-04 | 日立コンシューマエレクトロニクス株式会社 | 投写ボード装置、及びこれに用いる透過型スクリーン |
| KR20110120590A (ko) * | 2010-04-29 | 2011-11-04 | 삼성전자주식회사 | 광학 시스템 및 이를 적용한 영상투사장치 |
| TWI427323B (zh) * | 2011-02-18 | 2014-02-21 | Young Optics Inc | 投影鏡頭與投影裝置 |
| JP5652349B2 (ja) * | 2011-07-25 | 2015-01-14 | 株式会社リコー | 広角レンズおよび全天球型撮像装置 |
| CN103439783B (zh) * | 2011-11-15 | 2017-09-12 | 深圳市亿思达科技集团有限公司 | 一种高分辩率广角投影镜头及投影仪 |
| JP5487251B2 (ja) * | 2012-07-06 | 2014-05-07 | 日立コンシューマエレクトロニクス株式会社 | 投写型映像表示装置および投写光学ユニット |
| US10746994B2 (en) * | 2014-08-07 | 2020-08-18 | Microsoft Technology Licensing, Llc | Spherical mirror having a decoupled aspheric |
| TWI614517B (zh) | 2017-01-04 | 2018-02-11 | 大立光電股份有限公司 | 影像擷取系統、取像裝置及電子裝置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4526442A (en) * | 1981-01-28 | 1985-07-02 | U.S. Precision Lens, Inc. | Compact projection lens |
| DE3119993A1 (de) * | 1981-05-20 | 1982-12-16 | Rolf Dr.-Ing. 7888 Rheinfelden Müller | "weitwinkelobjektiv" |
| US5278698A (en) * | 1990-07-06 | 1994-01-11 | Asahi Kogaku Kogyo Kabushiki Kaisha | Magnifying projecting lens |
| JPH04174812A (ja) * | 1990-11-08 | 1992-06-23 | Canon Inc | レトロフォーカス型レンズ |
| US5390048A (en) * | 1991-12-02 | 1995-02-14 | Matsushita Electric Industrial Co., Ltd. | Projection lens assembly and projection display apparatus |
| US5296967A (en) * | 1992-03-02 | 1994-03-22 | U.S. Precision Lens Incorporated | High speed wide angle projection TV lens system |
| JP3433266B2 (ja) * | 1993-06-15 | 2003-08-04 | 三菱電機株式会社 | 投写レンズ |
| KR100210247B1 (ko) * | 1996-01-24 | 1999-07-15 | 윤종용 | 광화각 액정 프로젝션 렌즈 시스템 |
| US5870228A (en) * | 1996-05-24 | 1999-02-09 | U.S. Precision Lens Inc. | Projection lenses having larger back focal length to focal length ratios |
-
1998
- 1998-04-24 JP JP10115204A patent/JPH11305117A/ja active Pending
-
1999
- 1999-04-20 US US09/294,380 patent/US6144503A/en not_active Expired - Fee Related
- 1999-04-21 CA CA002269484A patent/CA2269484C/en not_active Expired - Fee Related
- 1999-04-22 KR KR1019990014446A patent/KR100591782B1/ko not_active Expired - Fee Related
- 1999-04-22 EP EP99303114A patent/EP0952474B1/en not_active Expired - Lifetime
- 1999-04-22 DE DE69912674T patent/DE69912674T2/de not_active Expired - Fee Related
- 1999-04-22 ES ES99303114T patent/ES2209331T3/es not_active Expired - Lifetime
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