DE3674611D1 - Vorrichtung zur regelung der geometrie fuer einen videoprojektionsapparat. - Google Patents

Vorrichtung zur regelung der geometrie fuer einen videoprojektionsapparat.

Info

Publication number
DE3674611D1
DE3674611D1 DE8686400519T DE3674611T DE3674611D1 DE 3674611 D1 DE3674611 D1 DE 3674611D1 DE 8686400519 T DE8686400519 T DE 8686400519T DE 3674611 T DE3674611 T DE 3674611T DE 3674611 D1 DE3674611 D1 DE 3674611D1
Authority
DE
Germany
Prior art keywords
geometry
regulating
projection apparatus
video projection
video
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
DE8686400519T
Other languages
English (en)
Inventor
Hossein Ahmari
Joseph Colineau
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.)
LOIRE SEREL ELECTRONIQUE
Original Assignee
LOIRE SEREL ELECTRONIQUE
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 LOIRE SEREL ELECTRONIQUE filed Critical LOIRE SEREL ELECTRONIQUE
Application granted granted Critical
Publication of DE3674611D1 publication Critical patent/DE3674611D1/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
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/28—Arrangements for convergence or focusing
    • 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]
DE8686400519T 1985-03-15 1986-03-11 Vorrichtung zur regelung der geometrie fuer einen videoprojektionsapparat. Expired - Fee Related DE3674611D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8503901A FR2579051B1 (fr) 1985-03-15 1985-03-15 Dispositif de reglage de convergence pour videoprojecteur

Publications (1)

Publication Number Publication Date
DE3674611D1 true DE3674611D1 (de) 1990-11-08

Family

ID=9317260

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8686400518T Expired - Fee Related DE3671596D1 (de) 1985-03-15 1986-03-11 Konvergenzvorrichtung fuer videoprojektionssystem.
DE8686400519T Expired - Fee Related DE3674611D1 (de) 1985-03-15 1986-03-11 Vorrichtung zur regelung der geometrie fuer einen videoprojektionsapparat.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE8686400518T Expired - Fee Related DE3671596D1 (de) 1985-03-15 1986-03-11 Konvergenzvorrichtung fuer videoprojektionssystem.

Country Status (8)

Country Link
US (2) US4706115A (de)
EP (2) EP0194944B1 (de)
JP (2) JP2578734B2 (de)
DE (2) DE3671596D1 (de)
FR (1) FR2579051B1 (de)
HK (2) HK25895A (de)
IN (1) IN170206B (de)
SG (1) SG11992G (de)

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FR2579051B1 (fr) * 1985-03-15 1988-06-24 Loire Electronique Dispositif de reglage de convergence pour videoprojecteur
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DE3732002A1 (de) * 1987-09-23 1989-04-06 Gerald Dipl Phys Meyer Farbfernsehprojektionseinrichtung mit selbsttaetiger korrektur von bildgeometrie und farbkonvergenz
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JP2714023B2 (ja) * 1988-01-29 1998-02-16 株式会社日立製作所 画像表示装置
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US4962428A (en) * 1989-04-20 1990-10-09 Motorola, Inc. Multistandard OSD in a TV receiver including display positioning
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EP0420568B1 (de) * 1989-09-28 1996-02-28 Matsushita Electric Industrial Co., Ltd. Digitale Konvergenzvorrichtung
DE3936787A1 (de) * 1989-11-04 1991-05-08 Thomson Brandt Gmbh Einrichtung zur rasterkorrektur in einem fernsehgeraet
US5020116A (en) * 1989-12-13 1991-05-28 Hughes Aircraft Company Image registration method and apparatus
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DE4016886A1 (de) * 1990-05-25 1991-11-28 Thomson Brandt Gmbh Einrichtung zur rasterkorrektur in einem fernsehgeraet
JP2653899B2 (ja) * 1990-06-07 1997-09-17 松下電器産業株式会社 画像補正装置
IT1240382B (it) * 1990-07-06 1993-12-10 Seleco Spa Dispositivo generatore di segnali di convergenza per display a colori
US5159436A (en) * 1991-05-02 1992-10-27 Cactus Computers, Inc. Technique for detecting color misregistration and misconvergence in video color displays and cameras
EP0529570B1 (de) * 1991-08-30 1997-10-29 Hitachi, Ltd. Digitale Bildkorrektureinrichtung
FI91475C (fi) * 1991-10-31 1994-06-27 Salcomp Oy Menetelmä ja piiri värikuvaputken dynaamisen konvergenssin säätöjännitteiden muodostamiseksi
FR2685518B1 (fr) * 1991-12-23 1994-02-04 Thomson Csf Circuit d'horloge pour systeme de lecture d'informations sequentielles.
JP3050986B2 (ja) * 1992-02-26 2000-06-12 株式会社日立製作所 ディジタルコンバーゼンス補正装置及びこれを用いた画像表示装置並びにコンバーゼンス補正データ作成方法及び装置
FR2689293B1 (fr) * 1992-03-27 1994-05-13 Thomson Csf Dispositif de lecture d'un ensemble d'elements resistifs.
US5345262A (en) * 1992-07-31 1994-09-06 Hughes-Jvc Technology Corporation Automatic convergence system for color video projector
US5369450A (en) * 1993-06-01 1994-11-29 The Walt Disney Company Electronic and computational correction of chromatic aberration associated with an optical system used to view a color video display
KR0165274B1 (ko) * 1993-07-30 1999-03-20 김광호 디지탈 컨버젼스 보정회로
DE4326899C2 (de) * 1993-08-11 2002-03-21 Thomson Brandt Gmbh Projektions-Fernseheinrichtung
KR0127319B1 (ko) * 1994-03-07 1997-12-29 구자홍 멀티 모드의 디지탈 콘버젼스 보정 방법
JP3520551B2 (ja) * 1994-03-22 2004-04-19 ソニー株式会社 電子機器及び映像表示装置
GB9405799D0 (en) * 1994-03-24 1994-05-11 Thomson Consumer Electronics Shaped parabolic correction waveform for curved face plate display tube
US5444338A (en) * 1994-05-11 1995-08-22 Thomson Consumer Electronics, Inc. Left and right raster correction
US5847777A (en) * 1994-05-11 1998-12-08 George; John Barrett Right-edge differential error convergence correction
US5510833A (en) * 1994-06-13 1996-04-23 Display Laboratories Inc. Method and apparatus for transforming coordinate systems in an automated video monitor alignment system
US6052146A (en) * 1994-06-13 2000-04-18 Display Laboratories, Inc. Alignment of a video monitor using an on-screen display chip and a gain matrix table
US5504521A (en) * 1994-06-13 1996-04-02 Display Laboratories, Inc. Method and apparatus for making corrections in a video monitor during horizontal scan
JP3513669B2 (ja) * 1994-07-06 2004-03-31 三菱電機株式会社 偏向歪補正回路
DE69516848T2 (de) * 1994-11-02 2000-12-07 Koninkl Philips Electronics Nv Wellenformerzeugung
US5528112A (en) * 1994-12-08 1996-06-18 Thomson Consumer Electronics, Inc. Deflection correction signal generator
US5648703A (en) * 1994-12-08 1997-07-15 Thomson Consumer Electronics, Inc. Deflection correction signal timing
FR2735269B1 (fr) * 1995-06-06 1997-07-25 Thomson Csf Tete d'enregistrement/lecture matricielle a structure zigzag
US5764311A (en) * 1995-11-30 1998-06-09 Victor Company Of Japan, Ltd. Image processing apparatus
US5739870A (en) * 1996-03-11 1998-04-14 Display Laboratories, Inc. Math engine for generating font gradients
US6014168A (en) * 1996-04-26 2000-01-11 Display Laboratories, Inc. Screen mapping of a cathode ray tube
US5896170A (en) * 1996-07-02 1999-04-20 Display Laboratories, Inc. Dynamic alignment of cathode ray tube rasters
JPH10126799A (ja) * 1996-10-23 1998-05-15 Nec Corp コンバージェンス調整方法及びコンバージェンス調整回路
US5969486A (en) * 1997-01-16 1999-10-19 Display Laboratories, Inc. Detecting horizontal blanking time in cathode ray tube devices
US6437829B1 (en) 1997-01-16 2002-08-20 Display Laboratories, Inc. Alignment of cathode ray tube displays using a video graphics controller
US6285397B1 (en) 1997-01-16 2001-09-04 Display Laboratories, Inc. Alignment of cathode ray tube video displays using a host computer processor
US6281950B1 (en) 1997-06-16 2001-08-28 Display Laboratories, Inc. High speed digital zone control
KR200172693Y1 (ko) * 1997-07-31 2000-03-02 윤종용 래스터의 수평 위치 조절회로
US6583814B1 (en) * 1997-08-19 2003-06-24 Thomson Licensing Sa System for correction of convergence in a television device related application
DE19835803A1 (de) * 1998-08-07 2000-02-10 Thomson Brandt Gmbh Verfahren zur Konvergenzkorrektur in einem Fernsehgerät
KR100303656B1 (ko) * 1999-01-26 2001-09-26 윤종용 프로젝션 텔레비전의 컨버젼스 보정 방법 및 그 장치
JP2000330201A (ja) * 1999-03-17 2000-11-30 Fujitsu Ltd 投写型画像表示装置
KR100626461B1 (ko) * 2004-02-12 2006-09-20 엘지전자 주식회사 영상표시기기의 컨버전스 시스템
JP4929362B2 (ja) * 2010-02-12 2012-05-09 株式会社東芝 電子機器、画像表示システム、および画像表示方法
JP6897191B2 (ja) * 2017-03-17 2021-06-30 セイコーエプソン株式会社 プロジェクターおよびプロジェクターの制御方法
CN111918043B (zh) * 2019-05-10 2022-04-15 中强光电股份有限公司 投影系统、投影画面调整方法以及投影机

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Publication number Priority date Publication date Assignee Title
US3943279A (en) * 1974-09-23 1976-03-09 Aeronutronic Ford Corporation Digital convergence of multiple image projectors
SE427063B (sv) * 1979-06-08 1983-02-28 Stal Refrigeration Ab Kompressor av rotationstyp med varierbart inbyggt volymsforhallande
US4309723A (en) * 1980-04-14 1982-01-05 Ampex Corporation Apparatus and method for registration and shading of color television cameras
JPS6021910B2 (ja) * 1980-09-22 1985-05-30 井関農機株式会社 コンバイン等のクロ−ラ−の転輪の支受装置
JPS57164407A (en) * 1981-03-31 1982-10-09 Arupain Kk Pll oscillating circuit
US4395662A (en) * 1981-05-27 1983-07-26 General Electric Company Correction circuits for projection television
JPS57212492A (en) * 1981-06-24 1982-12-27 Hitachi Ltd Color diviation corrector for color braun tube
JPS587991A (ja) * 1981-07-08 1983-01-17 Sony Corp 多管式カラ−カメラのレジストレ−シヨン調整回路
JPS5856590A (ja) * 1981-09-30 1983-04-04 Nec Home Electronics Ltd 投射型テレビジヨン受像機
NL8104947A (nl) * 1981-11-02 1983-06-01 Philips Nv Televisie lijnafbuigschakeling.
JPS58101586A (ja) * 1981-12-14 1983-06-16 Sony Corp コンバ−ゼンス補正回路
US4422019A (en) * 1982-07-12 1983-12-20 Tektronix, Inc. Apparatus for providing vertical as well as horizontal smoothing of convergence correction signals in a digital convergence system
US4422020A (en) * 1982-07-21 1983-12-20 Zenith Radio Corporation Vertical image correction for projection TV
JPS59167194A (ja) * 1983-03-11 1984-09-20 Hitachi Ltd カラ−・テレビジヨン・カメラのレジストレ−シヨン補正回路
JPS6178294A (ja) * 1984-09-25 1986-04-21 Sony Corp デイジタルコンバ−ジエンス補正装置
FR2579051B1 (fr) * 1985-03-15 1988-06-24 Loire Electronique Dispositif de reglage de convergence pour videoprojecteur
US4673847A (en) * 1985-04-12 1987-06-16 Hazeltine Corporation Color monitor with improved digital convergence

Also Published As

Publication number Publication date
JPS61269592A (ja) 1986-11-28
JP2578734B2 (ja) 1997-02-05
FR2579051B1 (fr) 1988-06-24
EP0195711A1 (de) 1986-09-24
SG11992G (en) 1992-04-16
JPS61269589A (ja) 1986-11-28
US4816908A (en) 1989-03-28
HK25895A (en) 1995-03-03
JP2577329B2 (ja) 1997-01-29
EP0194944B1 (de) 1990-05-23
FR2579051A1 (fr) 1986-09-19
EP0195711B1 (de) 1990-10-03
HK83496A (en) 1996-05-17
US4706115A (en) 1987-11-10
DE3671596D1 (de) 1990-06-28
IN170206B (de) 1992-02-29
EP0194944A1 (de) 1986-09-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee