ATE246368T1 - Projektionsanordnung mit nichtrotationssymmetrischem objektiv - Google Patents

Projektionsanordnung mit nichtrotationssymmetrischem objektiv

Info

Publication number
ATE246368T1
ATE246368T1 AT99308512T AT99308512T ATE246368T1 AT E246368 T1 ATE246368 T1 AT E246368T1 AT 99308512 T AT99308512 T AT 99308512T AT 99308512 T AT99308512 T AT 99308512T AT E246368 T1 ATE246368 T1 AT E246368T1
Authority
AT
Austria
Prior art keywords
arrangement
projection arrangement
rotationally symmetric
symmetric lens
objective
Prior art date
Application number
AT99308512T
Other languages
English (en)
Inventor
Kai Chang Lu
Original Assignee
Internat Optics 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 Internat Optics Ltd filed Critical Internat Optics Ltd
Application granted granted Critical
Publication of ATE246368T1 publication Critical patent/ATE246368T1/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/08—Anamorphotic objectives
    • 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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/68—Introducing or correcting distortion, e.g. in connection with oblique projection
    • 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
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Glass Compositions (AREA)
  • Prostheses (AREA)
  • Liquid Crystal (AREA)
AT99308512T 1998-11-04 1999-10-27 Projektionsanordnung mit nichtrotationssymmetrischem objektiv ATE246368T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9823998A GB2343526A (en) 1998-11-04 1998-11-04 Objective arrangements for projectors

Publications (1)

Publication Number Publication Date
ATE246368T1 true ATE246368T1 (de) 2003-08-15

Family

ID=10841723

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99308512T ATE246368T1 (de) 1998-11-04 1999-10-27 Projektionsanordnung mit nichtrotationssymmetrischem objektiv

Country Status (5)

Country Link
US (1) US6527394B1 (de)
EP (1) EP0999464B1 (de)
AT (1) ATE246368T1 (de)
DE (1) DE69909936T2 (de)
GB (1) GB2343526A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370371B (en) * 2000-12-22 2002-11-27 Infrared Integrated Syst Ltd Use of distorting optics in imaging systems
GB0426502D0 (en) 2004-12-03 2005-01-05 Domestic Fire Appliances Ltd Imaging apparatus
DE102016100252B4 (de) 2016-01-08 2020-01-16 Sypro Optics Gmbh Projektionssystem für Displayanwendungen
JP7002897B2 (ja) * 2017-09-20 2022-02-04 株式会社小糸製作所 車両用灯具

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB498419A (en) * 1937-09-24 1939-01-09 Kapella Ltd Improvements in or relating to optical projection systems
US2795996A (en) * 1953-11-11 1957-06-18 Zeiss Carl Optical device for oblique projection apparatus
US3547530A (en) * 1968-11-12 1970-12-15 Bell Telephone Labor Inc Overhead projector
JPS51933Y1 (de) * 1969-06-17 1976-01-12
AT346107B (de) * 1977-05-09 1978-10-25 Eumig Projektor und optisches system hiefuer
US4436393A (en) * 1983-01-03 1984-03-13 Minnesota Mining And Manufacturing Company Distortion correction for an overhead projector system
US5032022A (en) * 1988-09-14 1991-07-16 Casio Computer Co., Ltd. Projector
US5096288A (en) * 1989-09-19 1992-03-17 Canon Kabushiki Kaisha Projection apparatus
US5648871A (en) * 1991-06-28 1997-07-15 Canon Kabushiki Kaisha Projection apparatus utilizing an anamorphic optical system
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
US5706062A (en) * 1993-06-20 1998-01-06 Unic View Ltd. Projector system including keystone correction
US5355188A (en) * 1993-09-09 1994-10-11 In Focus Systems, Inc. Method and apparatus for distortion correction in optical projectors
US5820240A (en) * 1995-06-22 1998-10-13 Minolta Co., Ltd. Projection optical device
US5622417A (en) * 1995-11-01 1997-04-22 Lightware, Inc. Invertible and orthoscopic liquid crystal display projector
US6123425A (en) * 1996-04-26 2000-09-26 Minolta Co., Ltd. Projecting optical system
WO1998008141A1 (en) * 1996-08-23 1998-02-26 Robin Christopher Colclough Image projecting apparatus
JP3495860B2 (ja) * 1996-11-01 2004-02-09 キヤノン株式会社 偏心光学系及びそれを用いた投影装置
JP2000039585A (ja) * 1998-07-23 2000-02-08 Minolta Co Ltd 投影表示装置
US6188523B1 (en) * 1999-11-16 2001-02-13 Samsung Electronics Co., Ltd. Projection lens unit for projector

Also Published As

Publication number Publication date
US6527394B1 (en) 2003-03-04
GB2343526A (en) 2000-05-10
DE69909936T2 (de) 2004-05-27
DE69909936D1 (de) 2003-09-04
GB9823998D0 (en) 1998-12-30
EP0999464B1 (de) 2003-07-30
EP0999464A1 (de) 2000-05-10

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Legal Events

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