ES2113825A1 - Receptor de television que incluye correccion del sombreado sin deteriorar la relacion señal/ruido". - Google Patents

Receptor de television que incluye correccion del sombreado sin deteriorar la relacion señal/ruido".

Info

Publication number
ES2113825A1
ES2113825A1 ES09601241A ES9601241A ES2113825A1 ES 2113825 A1 ES2113825 A1 ES 2113825A1 ES 09601241 A ES09601241 A ES 09601241A ES 9601241 A ES9601241 A ES 9601241A ES 2113825 A1 ES2113825 A1 ES 2113825A1
Authority
ES
Spain
Prior art keywords
television receiver
shading correction
deteriorating
ratio
receiver including
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.)
Granted
Application number
ES09601241A
Other languages
English (en)
Other versions
ES2113825B1 (es
Inventor
Satoshi Osuga
Yoshihiro Inamoto
Hiroaki Kikuchi
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of ES2113825A1 publication Critical patent/ES2113825A1/es
Application granted granted Critical
Publication of ES2113825B1 publication Critical patent/ES2113825B1/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • H04N5/59—Control of contrast or brightness in dependence upon beam current of cathode ray tube
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

RECEPTOR DE TELEVISION QUE INCLUYE CORRECCION DE SOMBREADO SIN DETERIORAR LA RELACION SEÑAL/RUIDO. EN UN RECEPTOR DE TELEVISION, SE LLEVA A CABO CORRECCION DEL SOMBREADO SIN DETERIORAR LA RELACION SEÑAL/RUIDO. EN UN RECEPTOR DE TELEVISION QUE COMPRENDE UN TUBO DE RAYOS CATODICOS, MEDIOS DE CORRECCION DE SOMBREADO PARA ALIMENTAR UNA SEÑAL DE IMAGEN A UN CATODO DEL TUBO DE RAYOS CATODICOS Y PARA CORREGIR DESIGUALDADES DEL BRILLO DE UNA IMAGEN FORMADA EN UNA PANTALLA FLUORESCENTE POR MEDIO DE HACES DE ELECTRONES QUE SON SOMETIDOS A UN INCREMENTO/REDUCCION EN RESPUESTA A UN CAMBIO DE LOS POTENCIALES APLICADOS A UNA PRIMERA REJILLA DEL TUBO DE RAYOS CATODICOS, ALIMENTANDO LOS MEDIOS DE CORRECCION DE SOMBREADO UNA SEÑAL DE CORRECCION DE SOMBREADO A LA PRIMERA REJILLA.
ES09601241A 1995-06-08 1996-06-05 Receptor de television que incluye correccion del sombreado sin deteriorar la relacion señal/ruido". Expired - Lifetime ES2113825B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7142053A JPH08336062A (ja) 1995-06-08 1995-06-08 テレビジョン受像機

Publications (2)

Publication Number Publication Date
ES2113825A1 true ES2113825A1 (es) 1998-05-01
ES2113825B1 ES2113825B1 (es) 1999-01-16

Family

ID=15306321

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09601241A Expired - Lifetime ES2113825B1 (es) 1995-06-08 1996-06-05 Receptor de television que incluye correccion del sombreado sin deteriorar la relacion señal/ruido".

Country Status (5)

Country Link
US (1) US5886750A (es)
JP (1) JPH08336062A (es)
KR (1) KR100402284B1 (es)
CA (1) CA2178156C (es)
ES (1) ES2113825B1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100304695B1 (ko) * 1998-08-04 2001-11-22 윤종용 가장자리부 및 코너 부분의 밝기를 효율적으로 보정할 수 있는 모니터 화면의 밝기 보정회로 및 밝기 보정방법
KR100548029B1 (ko) * 1998-12-03 2006-04-21 현대 이미지퀘스트(주) 휘도 균일도 보상 회로
KR100375806B1 (ko) * 1999-02-01 2003-03-15 가부시끼가이샤 도시바 색 얼룩 보정 장치 및 휘도 얼룩 보정 장치
KR100335497B1 (ko) 1999-03-16 2002-05-08 윤종용 모니터 시스템에서 초점 보정장치 및 방법
US6323915B1 (en) 1999-09-24 2001-11-27 Sony Corporation Method and apparatus to enhance a border area of a display
US6369851B1 (en) 1999-09-24 2002-04-09 Sony Corporation Method and apparatus to minimize burn lines on a display
US6798155B2 (en) * 2002-05-15 2004-09-28 Lg. Philips Display Co., Ltd. Color image display device
US20040178971A1 (en) * 2003-03-10 2004-09-16 Goodart Joseph Edgar Enhanced brightness, color and contrast control for cathode ray tube monitor
WO2007027181A1 (en) * 2005-08-31 2007-03-08 Thomson Licensing Cathode ray tube having improved light output gradient and visual perception

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02226189A (ja) * 1989-02-27 1990-09-07 Matsushita Electric Ind Co Ltd シェーディング補正回路
JPH05191678A (ja) * 1992-01-16 1993-07-30 Hitachi Ltd シェーディング補正回路
KR940005385B1 (ko) * 1991-01-31 1994-06-17 삼성전자 주식회사 프로젝션 텔레비젼의 셰이딩 보정회로
JPH07162711A (ja) * 1993-12-02 1995-06-23 Matsushita Electric Ind Co Ltd デジタルシェーディング補正回路

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108454A (ja) * 1982-12-14 1984-06-22 Hitachi Ltd テレビジヨン受像機フオ−カス回路
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
US4855864A (en) * 1988-07-22 1989-08-08 Zenith Electronics Corporation High voltage shutdown circuit with brightness tracking
JPH0437263A (ja) * 1990-05-31 1992-02-07 Matsushita Electric Ind Co Ltd 階調補正装置
US5656895A (en) * 1991-06-26 1997-08-12 Matsushita Electric Industrial Co., Ltd. Display apparatus
JP2940762B2 (ja) * 1993-06-28 1999-08-25 三洋電機株式会社 手振れ補正装置を有するビデオカメラ
JP3286088B2 (ja) * 1994-08-29 2002-05-27 株式会社東芝 テレビジョン受像機
JPH0879789A (ja) * 1994-09-09 1996-03-22 Konica Corp 光画像記録装置
JPH08140112A (ja) * 1994-11-10 1996-05-31 Sony Corp ガンマ補正回路

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02226189A (ja) * 1989-02-27 1990-09-07 Matsushita Electric Ind Co Ltd シェーディング補正回路
KR940005385B1 (ko) * 1991-01-31 1994-06-17 삼성전자 주식회사 프로젝션 텔레비젼의 셰이딩 보정회로
JPH05191678A (ja) * 1992-01-16 1993-07-30 Hitachi Ltd シェーディング補正回路
JPH07162711A (ja) * 1993-12-02 1995-06-23 Matsushita Electric Ind Co Ltd デジタルシェーディング補正回路

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
BASE DE DATOS WPI, n‘ acceso 96-127003, 1996, Derwent Publ. Ltd., Londres, GB & KR 9405385 B1 (SAMSUNG ELECTRONICS CO LTD.) 17.06.94 * Resumen * *
PATENT ABSTRACTS OF JAPAN, CD-ROM PAJ, G07-10 1976-1993 & JP 2226189 A (MATSUSHITA ELECTRIC IND. CO. LTD) 07.09.90 *
PATENT ABSTRACTS OF JAPAN, CD-ROM PAJ, H04N 1991-1993 & JP 5191678 A (HITACHI LTD.) 30.07.93 *
PATENT ABSTRACTS OF JAPAN, CD-ROM PAJ, OCT. 31, 1995 - 9[009][07-138901/07-166998] & JP 7162711 A (MATSUSHITA ELECTRIC IND. CO. LTD.) 23.06.95 *

Also Published As

Publication number Publication date
KR100402284B1 (ko) 2004-04-09
CA2178156A1 (en) 1996-12-09
ES2113825B1 (es) 1999-01-16
CA2178156C (en) 2004-09-07
JPH08336062A (ja) 1996-12-17
US5886750A (en) 1999-03-23
KR970004653A (ko) 1997-01-29

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