DE69315315D1 - Bildprojektionssystem mit automatischer Scharfeinstellung - Google Patents

Bildprojektionssystem mit automatischer Scharfeinstellung

Info

Publication number
DE69315315D1
DE69315315D1 DE69315315T DE69315315T DE69315315D1 DE 69315315 D1 DE69315315 D1 DE 69315315D1 DE 69315315 T DE69315315 T DE 69315315T DE 69315315 T DE69315315 T DE 69315315T DE 69315315 D1 DE69315315 D1 DE 69315315D1
Authority
DE
Germany
Prior art keywords
projection system
image projection
automatic focus
focus
automatic
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.)
Expired - Fee Related
Application number
DE69315315T
Other languages
English (en)
Other versions
DE69315315T2 (de
Inventor
Wilhelmus Adrianus G Timmers
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Philips Electronics NV
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 Koninklijke Philips Electronics NV, Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69315315D1 publication Critical patent/DE69315315D1/de
Application granted granted Critical
Publication of DE69315315T2 publication Critical patent/DE69315315T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
    • 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
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects
    • 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
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film
    • G03B33/10—Simultaneous recording or projection
    • G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Automatic Focus Adjustment (AREA)
  • Transforming Electric Information Into Light Information (AREA)
DE1993615315 1992-12-28 1993-12-23 Bildprojektionssystem mit automatischer Scharfeinstellung Expired - Fee Related DE69315315T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92204088 1992-12-28

Publications (2)

Publication Number Publication Date
DE69315315D1 true DE69315315D1 (de) 1998-01-02
DE69315315T2 DE69315315T2 (de) 1998-04-30

Family

ID=8211175

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993615315 Expired - Fee Related DE69315315T2 (de) 1992-12-28 1993-12-23 Bildprojektionssystem mit automatischer Scharfeinstellung

Country Status (3)

Country Link
US (1) US5400093A (de)
JP (1) JPH06284362A (de)
DE (1) DE69315315T2 (de)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0142783B1 (ko) * 1994-03-19 1998-07-15 구자홍 프로젝터의 경사면 투사시 화상보정장치 및 방법
JP3380083B2 (ja) * 1994-08-12 2003-02-24 ペンタックス株式会社 投影装置及び投影装置のピント調整方法
US5795047A (en) * 1994-12-09 1998-08-18 Matsushita Electric Industrial Co., Ltd. Projection lens and projection display apparatus
US6422704B1 (en) * 1998-06-26 2002-07-23 Matsushita Electric Industrial Co., Ltd. Projector that automatically adjusts the projection parameters
US6548795B1 (en) 1999-10-21 2003-04-15 3M Innovative Properties Company Autofocus Z stage
CA2402197A1 (en) * 2000-03-15 2001-09-20 Steven Charles Read Improvements in dmd-based image display systems
WO2001096907A2 (en) * 2000-03-31 2001-12-20 Imax Corporation Digital projection equipment and techniques
EP1279282B1 (de) 2000-04-18 2015-06-10 Imax Corporation Verfahren und vorrichtungen zur verlustarmen trennung und mischung von licht
JP5241986B2 (ja) * 2000-07-03 2013-07-17 アイマックス コーポレイション 複数の投影ディスプレイの目に見えない継ぎ目合わせ用機器及び技術
TW446848B (en) * 2000-11-29 2001-07-21 Acer Comm & Amp Multimedia Inc Projection system for automatically adjusting focal length and method thereof
EP1390805A1 (de) * 2001-05-18 2004-02-25 3M Innovative Properties Company Polarisationsanordnung
US20060007406A1 (en) * 2002-10-21 2006-01-12 Sean Adkins Equipment, systems and methods for control of color in projection displays
KR100933291B1 (ko) * 2003-09-20 2009-12-22 삼성전자주식회사 2파장 레이저 다이오드의 사용을 위한 광검출기
JP2006003427A (ja) * 2004-06-15 2006-01-05 Canon Inc 焦点検出装置及び撮影装置
EP1774796B1 (de) * 2004-07-08 2015-09-02 Imax Corporation Geräte und Methoden zur Anzeige von hochauflösenden Bildern unter Verwendung mehreren Projektionsanzeigen
JP2006317795A (ja) * 2005-05-13 2006-11-24 Toshiba Corp 投射装置と投射装置の測距方法
US7123811B1 (en) 2005-09-01 2006-10-17 Chunghwa Picture Tubes, Ltd. Circular display device with a projective light source
US7620309B2 (en) * 2006-04-04 2009-11-17 Adobe Systems, Incorporated Plenoptic camera
TWI292052B (en) * 2006-05-09 2008-01-01 Young Optics Inc Optical projection and image detection apparatus
US7872796B2 (en) 2007-01-25 2011-01-18 Adobe Systems Incorporated Light field microscope with lenslet array
US8290358B1 (en) 2007-06-25 2012-10-16 Adobe Systems Incorporated Methods and apparatus for light-field imaging
US8559756B2 (en) * 2007-08-06 2013-10-15 Adobe Systems Incorporated Radiance processing by demultiplexing in the frequency domain
US7956924B2 (en) * 2007-10-18 2011-06-07 Adobe Systems Incorporated Fast computational camera based on two arrays of lenses
US8189065B2 (en) 2008-01-23 2012-05-29 Adobe Systems Incorporated Methods and apparatus for full-resolution light-field capture and rendering
US7962033B2 (en) * 2008-01-23 2011-06-14 Adobe Systems Incorporated Methods and apparatus for full-resolution light-field capture and rendering
US8155456B2 (en) 2008-04-29 2012-04-10 Adobe Systems Incorporated Method and apparatus for block-based compression of light-field images
US8244058B1 (en) 2008-05-30 2012-08-14 Adobe Systems Incorporated Method and apparatus for managing artifacts in frequency domain processing of light-field images
EP2133726B1 (de) * 2008-06-10 2011-06-01 Thomson Licensing Mehrbildaufnahmesystem mit verbesserter Tiefenbildauflösung
US7949252B1 (en) 2008-12-11 2011-05-24 Adobe Systems Incorporated Plenoptic camera with large depth of field
US8189089B1 (en) 2009-01-20 2012-05-29 Adobe Systems Incorporated Methods and apparatus for reducing plenoptic camera artifacts
JP5640420B2 (ja) * 2009-05-29 2014-12-17 株式会社リコー 投影型画像表示装置
US8228417B1 (en) 2009-07-15 2012-07-24 Adobe Systems Incorporated Focused plenoptic camera employing different apertures or filtering at different microlenses
US8345144B1 (en) 2009-07-15 2013-01-01 Adobe Systems Incorporated Methods and apparatus for rich image capture with focused plenoptic cameras
US8400555B1 (en) 2009-12-01 2013-03-19 Adobe Systems Incorporated Focused plenoptic camera employing microlenses with different focal lengths
US8665367B2 (en) * 2010-01-29 2014-03-04 Sharp Laboratories Of America, Inc. Video resolution enhancement technique
PL2531880T3 (pl) * 2010-02-01 2017-09-29 Illumina Inc. Sposoby ogniskowania oraz układy optyczne i zespoły optyczne realizujące te sposoby
US8860833B2 (en) 2010-03-03 2014-10-14 Adobe Systems Incorporated Blended rendering of focused plenoptic camera data
US8358366B1 (en) 2010-05-28 2013-01-22 Adobe Systems Incorporate Methods and apparatus for high-speed digital imaging
US8749694B2 (en) 2010-08-27 2014-06-10 Adobe Systems Incorporated Methods and apparatus for rendering focused plenoptic camera data using super-resolved demosaicing
US8803918B2 (en) 2010-08-27 2014-08-12 Adobe Systems Incorporated Methods and apparatus for calibrating focused plenoptic camera data
US8724000B2 (en) 2010-08-27 2014-05-13 Adobe Systems Incorporated Methods and apparatus for super-resolution in integral photography
US8665341B2 (en) 2010-08-27 2014-03-04 Adobe Systems Incorporated Methods and apparatus for rendering output images with simulated artistic effects from focused plenoptic camera data
US9030550B2 (en) 2011-03-25 2015-05-12 Adobe Systems Incorporated Thin plenoptic cameras using solid immersion lenses
US9420246B2 (en) * 2012-11-30 2016-08-16 Piqs Technology (Shenzhen) Limited Projection system with infrared monitoring function
CN105143943B (zh) * 2012-12-26 2018-09-11 神画科技（深圳）有限公司 带红外光源的投影系统
US9762868B2 (en) 2013-06-28 2017-09-12 Thomson Licensing Highlighting an object displayed by a pico projector
US9538075B2 (en) 2013-12-30 2017-01-03 Indiana University Research And Technology Corporation Frequency domain processing techniques for plenoptic images
EP3147766A4 (de) * 2014-05-23 2018-03-21 Cinepic Technology (Shenzhen) Limited Interaktives anzeigesystem
WO2016033590A1 (en) 2014-08-31 2016-03-03 Berestka John Systems and methods for analyzing the eye

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3469925A (en) * 1966-03-25 1969-09-30 Eastman Kodak Co Method for determining image sharpness
US3620613A (en) * 1968-05-10 1971-11-16 Fuji Photo Film Co Ltd Automatic focusing device for projectors
US3672757A (en) * 1970-09-14 1972-06-27 Gaf Corp Automatic focusing system for projectors and the like
DE3751233T2 (de) * 1986-10-31 1995-08-24 Seiko Epson Corp Anzeigevorrichtung vom Projektionstyp.
NL8801348A (nl) * 1988-05-26 1989-12-18 Philips Nv Belichtingsstelsel.
NL8901077A (nl) * 1989-04-28 1990-11-16 Koninkl Philips Electronics Nv Optische belichtingsstelsel en projectie-apparaat voorzien van een dergelijk stelsel.
JPH03141336A (ja) * 1989-10-27 1991-06-17 Canon Inc 投射型表示装置
JPH03149538A (ja) * 1989-11-07 1991-06-26 Seiko Epson Corp 投写型表示装置
US5276523A (en) * 1990-03-08 1994-01-04 Canon Kabushiki Kaisha Liquid crystal television projector with automatic focus
NL9001610A (nl) * 1990-07-16 1992-02-17 Philips Nv Beeldprojektie-inrichting.

Also Published As

Publication number Publication date
JPH06284362A (ja) 1994-10-07
DE69315315T2 (de) 1998-04-30
US5400093A (en) 1995-03-21

Similar Documents

Publication Publication Date Title
DE69315315T2 (de) Bildprojektionssystem mit automatischer Scharfeinstellung
DE69530532D1 (de) Videokamerasystem mit Belichtungsregelung
DE69218830D1 (de) Bildprojektions-System
DE69523277T2 (de) Einzelbilderzeugungssystem mit automatischer belichtungsregelung
DE69428491D1 (de) Bildlinse
DE69121743T2 (de) Verbessertes Farb-TV Projektionslinsensystem
DE69423434T2 (de) Bildprojektionssystem
EP0585651A3 (de) Systeme für Projektionszoomobjektive.
DE69531153D1 (de) Optisches Projektionssystem mit Belichtungsgerät
DE69310978T2 (de) Zoomobjektiv mit innerem Fokussiersystem
DE69320892T2 (de) Bildkamera
DE69120323D1 (de) Objektivsteuersystem
DE69407078D1 (de) Bildprojektionsapparat mit Autofokus-System
DE69123112T2 (de) Bildprojektionssystem
DE69321317T2 (de) Automatische Fokussierung für Kameras
DE69126812D1 (de) Videosystem mit einer Bildkombinationsfunktion
DE69322335D1 (de) Zoomobjektiv mit Bildstabilisierung
DE4335283B8 (de) Variolinsensystem
GB2242033B (en) Optical projection lens system
DE69128550D1 (de) Automatisches Fokussierungssystem für Videokamera
DE69420646T2 (de) Bildprojektionssystem
DE69027156T2 (de) Kamerasystem mit Autofokusgerät
KR920005520U (ko) 비디오 카메라의 라이트 자동 제어장치
KR930012549U (ko) 비디오 프로젝터의 자동촛점장치
KR940018424U (ko) 비디오 카메라의 자동 촛점 조절장치

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8320 Willingness to grant licences declared (paragraph 23)
8328 Change in the person/name/address of the agent

Representative=s name: VOLMER, G., DIPL.-ING., PAT.-ANW., 52066 AACHEN

8339 Ceased/non-payment of the annual fee