MXPA03010954A - Aparato y metodo para reajustar la convergencia de una proyeccion de tv. - Google Patents

Aparato y metodo para reajustar la convergencia de una proyeccion de tv.

Info

Publication number
MXPA03010954A
MXPA03010954A MXPA03010954A MXPA03010954A MXPA03010954A MX PA03010954 A MXPA03010954 A MX PA03010954A MX PA03010954 A MXPA03010954 A MX PA03010954A MX PA03010954 A MXPA03010954 A MX PA03010954A MX PA03010954 A MXPA03010954 A MX PA03010954A
Authority
MX
Mexico
Prior art keywords
reacting furnace
reacting
furnace
producing
end portion
Prior art date
Application number
MXPA03010954A
Other languages
English (en)
Inventor
Isono Katsuo
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 MXPA03010954A publication Critical patent/MXPA03010954A/es

Links

Classifications

    • 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
    • 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

Abstract

Se describe un metodo y el aparato para reajustar la convergencia de una proyeccion de TV. El aparato tiene un dispositivo de presentacion sobre el cual se proyecta una imagen y al menos un elemento sensor de luz (101) que se proporciona alrededor del dispositivo de presentacion. El elemento sensor de luz se compone de un primero y segundo subsensores (101a, 101b) que generan senales de salida separadas conforme un patron de alineamiento proyectado se mueve sobre los subsensores (101a, 101b). El aparato ademas tiene un microprocesador que calcula un vector para reajustar la convergencia obteniendo una ubicacion del elemento sensor de luz (101), a partir del cual se hace la correccion de la convergencia anterior. La ubicacion del elemento sensor de luz (101) se obtiene analizando las senales de salida. Mediante el uso del aparato y metodo de la presente invencion es posible corregir con mucha rapidez y precision la falta de convergencia de la proyeccion de TV.
MXPA03010954A 2001-05-30 2002-05-29 Aparato y metodo para reajustar la convergencia de una proyeccion de tv. MXPA03010954A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001163258A JP2002369214A (ja) 2001-05-30 2001-05-30 ３管式プロジェクションテレビの自動コンバーゼンス補正回路
PCT/KR2002/001016 WO2002098142A1 (en) 2001-05-30 2002-05-29 Apparatus and method of re-adjusting convergence of a projection tv

Publications (1)

Publication Number Publication Date
MXPA03010954A true MXPA03010954A (es) 2004-02-27

Family

ID=19006264

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA03010954A MXPA03010954A (es) 2001-05-30 2002-05-29 Aparato y metodo para reajustar la convergencia de una proyeccion de tv.

Country Status (12)

Country Link
US (1) US7333130B2 (es)
EP (1) EP1413146A1 (es)
JP (1) JP2002369214A (es)
KR (1) KR100852667B1 (es)
CN (1) CN1529989A (es)
AU (1) AU2002303010B2 (es)
BR (1) BR0210237A (es)
DE (1) DE10297110T5 (es)
GB (1) GB2393626B (es)
MX (1) MXPA03010954A (es)
SA (1) SA02230313B1 (es)
WO (1) WO2002098142A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100516615B1 (ko) * 2003-04-22 2005-09-22 엘지전자 주식회사 프로젝션 티브이의 오토 컨버젼스 에러 방지장치
KR100655005B1 (ko) * 2003-10-06 2006-12-07 엘지전자 주식회사 프로젝션 티브이의 컨버전스 조정장치 및 방법
KR100613478B1 (ko) * 2004-06-18 2006-08-21 주식회사 대우일렉트로닉스 오토 컨버전스를 위한 센서감지 가속 장치 및 방법
KR100743297B1 (ko) * 2006-01-05 2007-07-26 엘지전자 주식회사 단일 광 센서를 이용한 컨버젼스 장치 및 방법

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4485394A (en) * 1982-09-27 1984-11-27 General Electric Company Automatic convergence and gray scale correction for television _receivers and projection television systems
US4593308A (en) * 1984-04-27 1986-06-03 General Electric Company Automatic correction of centering and convergence errors in CRT displays
JPS61281791A (ja) * 1985-06-07 1986-12-12 Sony Corp デイジタルコンバ−ジエンス装置
EP0280302B1 (en) * 1987-02-26 1992-09-09 Matsushita Electric Industrial Co., Ltd. Automatic convergence alignment system for color television display apparatus
US4835602A (en) * 1987-08-27 1989-05-30 North American Philips Corporation Color projection television system with apparatus for correcting misconvergence and misgeometry which calculates coefficients of equations representing deflection correction waveforms
US5235363A (en) * 1991-05-10 1993-08-10 Nview Corporation Method and apparatus for interacting with a computer generated projected image
DE4137131C2 (de) * 1991-11-12 2003-06-26 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Rasterkorrektur
US5883476A (en) * 1994-06-09 1999-03-16 Hitachi, Ltd. Convergence correction system with recovery function and display apparatus using the same
JPH08149522A (ja) * 1994-09-20 1996-06-07 Matsushita Electric Ind Co Ltd 位置検出装置及び画像補正装置
US5898465A (en) * 1998-01-29 1999-04-27 Sony Corporation Automatic convergence adjustment system with the capacity to modify test patterns to be within a predetermined range
US6196687B1 (en) * 1999-04-16 2001-03-06 Intel Corporation Measuring convergence alignment of a projection system
EP1168849A1 (en) * 2000-06-29 2002-01-02 Sony Espana SA Projection apparatus and method of image projection
US6808270B2 (en) * 2002-01-03 2004-10-26 Eastman Kodak Company Closed loop three color alignment for digital projection

Also Published As

Publication number Publication date
US7333130B2 (en) 2008-02-19
BR0210237A (pt) 2004-03-30
GB2393626A (en) 2004-03-31
KR100852667B1 (ko) 2008-08-18
AU2002303010B2 (en) 2008-08-07
WO2002098142A1 (en) 2002-12-05
US20050052580A1 (en) 2005-03-10
GB0329885D0 (en) 2004-01-28
GB2393626B (en) 2004-12-01
EP1413146A1 (en) 2004-04-28
DE10297110T5 (de) 2005-02-17
CN1529989A (zh) 2004-09-15
KR20040004676A (ko) 2004-01-13
JP2002369214A (ja) 2002-12-20
SA02230313B1 (ar) 2008-01-09

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