AU2001276765A1 - Apparatus for adjusting position of mirror in projector - Google Patents

Apparatus for adjusting position of mirror in projector

Info

Publication number
AU2001276765A1
AU2001276765A1 AU2001276765A AU7676501A AU2001276765A1 AU 2001276765 A1 AU2001276765 A1 AU 2001276765A1 AU 2001276765 A AU2001276765 A AU 2001276765A AU 7676501 A AU7676501 A AU 7676501A AU 2001276765 A1 AU2001276765 A1 AU 2001276765A1
Authority
AU
Australia
Prior art keywords
projector
mirror
adjusting position
adjusting
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
AU2001276765A
Inventor
Byung-Hee Kim
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.)
LG Electronics Inc
Original Assignee
LG Electronics 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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of AU2001276765A1 publication Critical patent/AU2001276765A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H04N9/317—Convergence or focusing 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
    • G03B27/00—Photographic printing apparatus
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/14—Details
    • G03B27/16—Illumination arrangements, e.g. positioning of lamps, positioning of reflectors
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
AU2001276765A 2000-08-07 2001-07-31 Apparatus for adjusting position of mirror in projector Abandoned AU2001276765A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR0045649 2000-08-07
KR1020000045649A KR20020012377A (en) 2000-08-07 2000-08-07 Apparatus for adjusting mirror of optical system for lcd projector
PCT/KR2001/001299 WO2002012958A1 (en) 2000-08-07 2001-07-31 Apparatus for adjusting position of mirror in projector

Publications (1)

Publication Number Publication Date
AU2001276765A1 true AU2001276765A1 (en) 2002-02-18

Family

ID=19682057

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001276765A Abandoned AU2001276765A1 (en) 2000-08-07 2001-07-31 Apparatus for adjusting position of mirror in projector

Country Status (7)

Country Link
US (1) US6880934B2 (en)
EP (1) EP1307782B1 (en)
KR (2) KR20020012377A (en)
CN (1) CN1224863C (en)
AU (1) AU2001276765A1 (en)
DE (1) DE60141209D1 (en)
WO (1) WO2002012958A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7341353B2 (en) * 2002-08-16 2008-03-11 Infocus Corporation Variable fresnel screen for use in projection device
US7150537B2 (en) 2002-08-16 2006-12-19 Infocus Corporation Projection television device and screen
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
US7102820B2 (en) * 2002-08-16 2006-09-05 Infocus Corporation Flat valley fresnel lens for a display device
KR100863860B1 (en) * 2002-08-30 2008-10-15 엘지전자 주식회사 Device for adjustment to mirror of illumination system optical engine LCD
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
CN100557502C (en) * 2003-08-26 2009-11-04 汤姆森许可公司 The low profile mirror adjustment system of rear projection display
US7259912B2 (en) 2004-01-06 2007-08-21 Infocus Corporation Fresnel lens having reduced distortions
TWI311681B (en) * 2006-07-04 2009-07-01 Coretronic Corporatio Reflective mirror module and projection apparatus using the same
JP2009031441A (en) * 2007-07-25 2009-02-12 Sony Corp Projection type display device
CN102081285B (en) * 2009-11-27 2012-07-04 中强光电股份有限公司 Adjusting device and projector with same
CN102928940A (en) * 2011-08-11 2013-02-13 中强光电股份有限公司 Optical projection system and lens adjusting device
CN110471247B (en) * 2018-05-09 2021-04-30 深圳光峰科技股份有限公司 Reflector adjusting mechanism and projection device applying same

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5418586A (en) * 1991-02-22 1995-05-23 Seiko Epson Corporation Projection type liquid crystal projector
US5283599A (en) * 1991-07-08 1994-02-01 Asahi Kogaku Kogyo Kabushiki Kaisha Apparatus for combining and projecting images
JPH08314026A (en) * 1995-05-15 1996-11-29 Toshiba Corp Optical device for image forming device
JP3658075B2 (en) * 1996-02-09 2005-06-08 キヤノン株式会社 Image forming apparatus
JP3062090B2 (en) 1996-07-19 2000-07-10 日本電気株式会社 Liquid crystal display
KR100200143B1 (en) * 1996-07-31 1999-06-15 전주범 Beam-projection angle adjusting system for projector
KR200148963Y1 (en) * 1996-08-08 1999-06-15 전주범 An apparatus for correcting mirror of rear projection type tv
JP3473335B2 (en) * 1996-08-19 2003-12-02 セイコーエプソン株式会社 Projection display device
JP3791130B2 (en) * 1996-08-19 2006-06-28 セイコーエプソン株式会社 Projection display
KR100239247B1 (en) * 1996-11-20 2000-01-15 김영환 An apparatus for controlling position of lcd of lcd projector
KR100239086B1 (en) 1997-08-26 2000-01-15 홍건희 Bellows producing method of air spring for a car
KR200189188Y1 (en) * 1997-11-04 2000-08-01 구자홍 Device for adjusting mirror angle in optical system
JP3405171B2 (en) * 1998-01-14 2003-05-12 日本ビクター株式会社 Projector device
JP3163056B2 (en) * 1998-02-26 2001-05-08 三洋電機株式会社 Projection device
JPH11295815A (en) * 1998-04-13 1999-10-29 Hitachi Ltd Cooling mechanism for projection type display device

Also Published As

Publication number Publication date
KR20030036613A (en) 2003-05-09
WO2002012958A1 (en) 2002-02-14
US20040027542A1 (en) 2004-02-12
DE60141209D1 (en) 2010-03-18
CN1224863C (en) 2005-10-26
US6880934B2 (en) 2005-04-19
KR20020012377A (en) 2002-02-16
EP1307782A1 (en) 2003-05-07
EP1307782A4 (en) 2007-01-03
KR100518871B1 (en) 2005-09-30
CN1444739A (en) 2003-09-24
EP1307782B1 (en) 2010-01-27

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