AU2001226988A1 - Focusing system for videoprojector - Google Patents

Focusing system for videoprojector

Info

Publication number
AU2001226988A1
AU2001226988A1 AU2001226988A AU2698801A AU2001226988A1 AU 2001226988 A1 AU2001226988 A1 AU 2001226988A1 AU 2001226988 A AU2001226988 A AU 2001226988A AU 2698801 A AU2698801 A AU 2698801A AU 2001226988 A1 AU2001226988 A1 AU 2001226988A1
Authority
AU
Australia
Prior art keywords
videoprojector
focusing system
image microforming
distortions
abstract
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
AU2001226988A
Other languages
English (en)
Inventor
Giorgio Barazza
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.)
SIM2 Multimedia SpA
Original Assignee
SIM2 Multimedia SpA
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 SIM2 Multimedia SpA filed Critical SIM2 Multimedia SpA
Publication of AU2001226988A1 publication Critical patent/AU2001226988A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • 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
    • H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
    • H04N9/3114—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources by using a sequential colour filter producing one colour at a time
    • 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
    • H04N5/7458—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 deformable mirrors, e.g. digital micromirror device [DMD]
    • 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]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Lenses (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Lens Barrels (AREA)
  • Microscoopes, Condenser (AREA)
AU2001226988A 2000-01-26 2001-01-23 Focusing system for videoprojector Abandoned AU2001226988A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT2000TO000075A IT1319810B1 (it) 2000-01-26 2000-01-26 Sistema di focalizzazione per videoproiettore.
ITTO200A000075 2000-01-26
PCT/IB2001/000070 WO2001055771A2 (en) 2000-01-26 2001-01-23 Focusing system for videoprojector

Publications (1)

Publication Number Publication Date
AU2001226988A1 true AU2001226988A1 (en) 2001-08-07

Family

ID=11457317

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001226988A Abandoned AU2001226988A1 (en) 2000-01-26 2001-01-23 Focusing system for videoprojector

Country Status (10)

Country Link
US (1) US7025465B2 (de)
EP (1) EP1259849B1 (de)
JP (1) JP2003521734A (de)
KR (1) KR100755564B1 (de)
CN (1) CN1178524C (de)
AT (1) ATE251315T1 (de)
AU (1) AU2001226988A1 (de)
DE (1) DE60100895T2 (de)
IT (1) IT1319810B1 (de)
WO (1) WO2001055771A2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6672721B2 (en) * 2001-06-11 2004-01-06 3M Innovative Properties Company Projection system having low astigmatism
TW200521477A (en) * 2003-09-25 2005-07-01 Matsushita Electric Ind Co Ltd Projector and projection method
JP2005164824A (ja) * 2003-12-01 2005-06-23 Seiko Epson Corp プロジェクタ
JP2005189847A (ja) * 2003-12-03 2005-07-14 Seiko Epson Corp プロジェクタ
JP2006058859A (ja) * 2004-07-23 2006-03-02 Kazuji Yoshida 画像表示装置
US20060139730A1 (en) * 2004-12-23 2006-06-29 Oehler Peter R Illumination system with compact turning prism and projection system using same
US20070085980A1 (en) * 2005-10-18 2007-04-19 Scott Lerner Projection assembly
CN101165541B (zh) * 2006-10-20 2011-09-07 台达电子工业股份有限公司 用于数字光处理投影装置的光处理结构
US8552915B2 (en) * 2009-06-19 2013-10-08 Covidien Lp Microwave ablation antenna radiation detector

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5210646A (en) * 1982-09-20 1993-05-11 Lockheed Missiles & Space Company, Inc. Color-corrected optical systems and method of selecting optical materials therefor
US5159485A (en) * 1990-12-31 1992-10-27 Texas Instruments Incorporated System and method for uniformity of illumination for tungsten light
JPH05159485A (ja) * 1991-12-10 1993-06-25 Hitachi Ltd 記憶装置
US5467146A (en) * 1994-03-31 1995-11-14 Texas Instruments Incorporated Illumination control unit for display system with spatial light modulator
KR100449129B1 (ko) * 1995-10-25 2005-01-24 인스트루먼츠 인코포레이티드 텍사스 조사시스템
WO1998037448A1 (en) * 1997-02-19 1998-08-27 Digital Projection Limited Illumination system
JPH11249012A (ja) * 1998-02-27 1999-09-17 Minolta Co Ltd プロジェクター光学系
DE19832317C1 (de) * 1998-07-17 2000-05-11 Zeiss Carl Jena Gmbh Anordnung, bei der von einer Lichtquelle aus Licht auf eine Fläche gerichtet wird
US6552740B1 (en) * 2000-08-01 2003-04-22 Eastman Kodak Company Method and apparatus for printing monochromatic imaging using a spatial light modulator
US6859239B2 (en) * 2001-02-26 2005-02-22 Infocus Corporation Projection system with folded optical path

Also Published As

Publication number Publication date
CN1178524C (zh) 2004-12-01
ITTO20000075A1 (it) 2001-07-26
IT1319810B1 (it) 2003-11-03
US7025465B2 (en) 2006-04-11
EP1259849B1 (de) 2003-10-01
ATE251315T1 (de) 2003-10-15
DE60100895T2 (de) 2004-09-09
DE60100895D1 (de) 2003-11-06
CN1401191A (zh) 2003-03-05
EP1259849A2 (de) 2002-11-27
KR20020086475A (ko) 2002-11-18
WO2001055771A3 (en) 2002-02-14
JP2003521734A (ja) 2003-07-15
KR100755564B1 (ko) 2007-09-06
WO2001055771A2 (en) 2001-08-02
US20050046754A1 (en) 2005-03-03

Similar Documents

Publication Publication Date Title
TWI263797B (en) Zoom lens system
HK1125180A1 (en) Zoom lens system
WO2002027401A3 (en) Illumination system particularly for microlithography
SG160223A1 (en) Projection optical system, exposure apparatus, and exposure method
KR960018769A (ko) 투영 광학 시스템 및 투영 노광장치
EP1128218A3 (de) Projektionsbelichtungsvorrichtung
EP1245984A3 (de) Optisches Projektionssystem sowie Projektionsbelichtungsgerät und -verfahren
EP1167868A3 (de) Scheinwerfer, insbesondere zum Projizieren von Lichtbündeln verschiedener Abmessungen und Farben
WO2002056062A3 (en) Catoptric and catadioptric imaging systems
TW200615577A (en) Apochromatic unit-magnification projection optical system
EP1357417A3 (de) Okular zum Betrachten eines flachen Bildes
AU2001226988A1 (en) Focusing system for videoprojector
TW200508814A (en) Projection optical system for maskless lithography
TW364071B (en) High efficiency laser pattern generator
PL1611473T3 (pl) Układ optyczny dla kamery oftalmoskopowej
EP1220548A3 (de) Farbbildprojektor
EP1980890A4 (de) Catadioptisches abbildungssystem, belichtungseinrichtung und bauelementeherstellungsverfahren
JP2001121282A5 (de)
PL1613450T3 (pl) Układ do wizualizacji oznakowań optycznych na soczewce oftalmicznej, urządzenie do nanoszenia oznakowania i sposób ukierunkowywania soczewek z wykorzystaniem takiego układu
EP1319983A3 (de) Fortgeschrittenes Beleuchtungssystem für die Mikrolithographie
EP1288929A3 (de) Optisches Abtastgerät
EP1892551A3 (de) Farblängsfehler verringerndes Optiksystem
GB0127536D0 (en) Optical apparatus
WO2001065837A3 (de) Verfahren und vorrichtung zum justieren einer kamera
WO2001067153A3 (fr) Relais optique correcteur d'aberrations pour systeme optique, notamment telescope a miroirs