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ES2096566T3 - Generador de señales de control para un sistema de television. - Google Patents

Generador de señales de control para un sistema de television.

Info

Publication number
ES2096566T3
ES2096566T3 ES90115844T ES90115844T ES2096566T3 ES 2096566 T3 ES2096566 T3 ES 2096566T3 ES 90115844 T ES90115844 T ES 90115844T ES 90115844 T ES90115844 T ES 90115844T ES 2096566 T3 ES2096566 T3 ES 2096566T3
Authority
ES
Spain
Prior art keywords
signal
television system
control signal
summed
signal generator
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 - Lifetime
Application number
ES90115844T
Other languages
English (en)
Inventor
William Adamson Lagoni
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer 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 Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Application granted granted Critical
Publication of ES2096566T3 publication Critical patent/ES2096566T3/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
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Details Of Television Scanning (AREA)
  • Selective Calling Equipment (AREA)
  • Television Receiver Circuits (AREA)
  • Details Of Television Systems (AREA)
  • Television Systems (AREA)

Abstract

EN UN SISTEMA DE TELEVISION EN COLOR, LAS SEÑALES DE COLORES PRODUCIDAS POR UN CI (CIRCUITO INTEGRADO) DE LUMINANCIA-CROMINANCIA ("LUMA-CHROMA"), SE SUMAN (171, 173, 175, 177) PARA PRODUCIR UNA SEÑAL REPRESENTATIVA DE INFORMACION DE LUMINANCIA PROCESADA, DE OTRA FORMA NO DISPONIBLE FACILMENTE. LOS IMPULSOS DE LA SEÑAL SUMADA CORRESPONDIENTES A LOS IMPULSOS DE BORRADO DE RETROCESO CONTENIDOS EN LAS SEÑALES DE COLORES, SE SUPRIMEN CON OBJETO DE REDUCIR ERRORES CUANDO SE DETERMINAN ATRIBUTOS DE LA SEÑAL SUMADA, POR EJEMPLO, MEDIANTE UN DETECTOR PROMEDIO (183). EL DETECTOR PROPORCIONA UNA SEÑAL DE CONTROL PARA LA MODIFICACION DE UNA SEÑAL DE LUMINANCIA, TAL COMO MEDIANTE "COMPRESION DEL BLANCO" (136).
ES90115844T 1989-08-25 1990-08-18 Generador de señales de control para un sistema de television. Expired - Lifetime ES2096566T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/398,849 US4980756A (en) 1989-08-25 1989-08-25 Control signal generator for a television system

Publications (1)

Publication Number Publication Date
ES2096566T3 true ES2096566T3 (es) 1997-03-16

Family

ID=23577034

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90115844T Expired - Lifetime ES2096566T3 (es) 1989-08-25 1990-08-18 Generador de señales de control para un sistema de television.

Country Status (15)

Country Link
US (1) US4980756A (es)
EP (1) EP0414158B1 (es)
JP (1) JP2612508B2 (es)
KR (1) KR0169963B1 (es)
CN (1) CN1031094C (es)
AT (1) ATE145308T1 (es)
CA (1) CA2023852C (es)
DE (1) DE69029109T2 (es)
ES (1) ES2096566T3 (es)
FI (1) FI97514C (es)
MY (1) MY105992A (es)
PT (1) PT95107B (es)
RU (1) RU2107409C1 (es)
SG (1) SG64866A1 (es)
TR (1) TR26428A (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100202344B1 (ko) * 1990-03-26 1999-06-15 이데이 노부유끼 자동니제어회로
US5396300A (en) * 1990-05-31 1995-03-07 Matsushita Electric Industrial Co., Ltd. Contrast correction device for correcting video signal contrast by varying luminance signal
JPH0437263A (ja) * 1990-05-31 1992-02-07 Matsushita Electric Ind Co Ltd 階調補正装置
US5125046A (en) * 1990-07-26 1992-06-23 Ronald Siwoff Digitally enhanced imager for the visually impaired
US5202763A (en) * 1991-05-06 1993-04-13 Thomson Consumer Electronics, Inc. Television receiver with partially by-passed non-linear luminance signal processor
US5847773A (en) * 1991-08-30 1998-12-08 Thomson Consumer Electronics, Inc. Video system including apparatus for deactivating an automatic control arrangement
US5200829A (en) * 1991-12-16 1993-04-06 Thomson Consumer Electronics, Inc. Contrast beam current limiting arrangement with secondary brightness beam current limiting provisions
US5162902A (en) * 1991-12-16 1992-11-10 Thomson Consumer Electronics, Inc. Non-linear luminance signal processor responsive to average picture level (APL) of displayed image
US5191420A (en) * 1991-12-16 1993-03-02 Thomson Consumer Electronics, Inc. Video system with feedback controlled "white stretch" processing and brightness compensation
US5245434A (en) * 1992-05-22 1993-09-14 Thomson Consumer Electronics, Inc. Autopix circuit with inserted vertical blanking
EP0589513B1 (en) * 1992-09-22 1998-12-02 Koninklijke Philips Electronics N.V. Picture signal processor
JP3400506B2 (ja) * 1993-03-12 2003-04-28 オリンパス光学工業株式会社 画像処理装置
JPH06311396A (ja) * 1993-04-27 1994-11-04 Mitsubishi Electric Corp 映像回路
FR2749731B1 (fr) * 1996-06-07 2000-08-04 Thomson Multimedia Sa Dispositif de regulation de contraste d'image video
DE19818387A1 (de) * 1997-10-20 1999-04-22 Thomson Brandt Gmbh Verfahren zum Regeln der Bildleistung bei einem Fernsehempfänger
SG94326A1 (en) 1999-06-19 2003-02-18 Thomson Multimedia Sa Television receiver comprising a cathode ray tube (crt)
KR100425312B1 (ko) * 2001-12-11 2004-03-30 삼성전자주식회사 자동 휘도 조정 장치 및 방법
WO2004049293A1 (en) * 2002-11-27 2004-06-10 Koninklijke Philips Electronics N.V. Method of improving the perceptual contrast of displayed images
KR100497395B1 (ko) * 2003-06-30 2005-06-23 삼성전자주식회사 화질을 자동으로 설정하는 방법
US10977776B1 (en) 2008-09-30 2021-04-13 United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Two and three-dimensional near infrared subcutaneous structure imager using realtime nonlinear video processing
US10062356B1 (en) * 2008-09-30 2018-08-28 The United States of America as Represented by the Admin of National Aeronautics and Space Administration Two and three dimensional near infrared subcutaneous structure imager using real time nonlinear video processing

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167750A (en) * 1975-02-20 1979-09-11 Matsushita Electric Industrial Co., Ltd. Color-difference signal modifying apparatus
US4110787A (en) * 1977-07-28 1978-08-29 Rca Corporation Combined blanking level and kinescope bias clamp for a television signal processing system
DE3134368A1 (de) * 1981-08-31 1983-03-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur begrenzung des spitzenstrahlstromes der bildroehre in einem farbfernsehempfaenger
US4553157A (en) * 1983-12-05 1985-11-12 Rca Corporation Apparatus for correcting errors in color signal transitions
US4599643A (en) * 1983-12-29 1986-07-08 Rca Corporation Apparatus responsive to plural color video signals for amplitude limiting the video signals to assist beam current limiting
US4689668A (en) * 1986-07-14 1987-08-25 Rca Corporation Auxiliary kinescope beam current limiter with plural cascaded low pass filter and peak detector stages
JPS63179685A (ja) * 1987-01-21 1988-07-23 Toshiba Corp 順次走査変換回路
JPS63191484A (ja) * 1987-02-03 1988-08-08 Sony Corp カラ−テレビジヨン受像機
US4947253A (en) * 1989-04-18 1990-08-07 Rca Licensing Corporation Brightness modulator for closed loop compensation of black level
US5099154A (en) * 1989-08-25 1992-03-24 Thomson Consumer Electronics, Inc. Amplifier arrangement for producing a controllable non-linear transfer characteristic useful for improving the contrast of an image

Also Published As

Publication number Publication date
CA2023852C (en) 1995-09-26
TR26428A (tr) 1995-03-15
CA2023852A1 (en) 1991-02-26
EP0414158A2 (en) 1991-02-27
CN1049767A (zh) 1991-03-06
DE69029109D1 (de) 1996-12-19
JPH0391393A (ja) 1991-04-16
FI97514B (fi) 1996-09-13
SG64866A1 (en) 1999-05-25
US4980756A (en) 1990-12-25
RU2107409C1 (ru) 1998-03-20
FI97514C (fi) 1996-12-27
EP0414158A3 (en) 1992-08-26
MY105992A (en) 1995-02-28
DE69029109T2 (de) 1997-04-17
EP0414158B1 (en) 1996-11-13
CN1031094C (zh) 1996-02-21
JP2612508B2 (ja) 1997-05-21
ATE145308T1 (de) 1996-11-15
KR910005667A (ko) 1991-03-30
FI904105A0 (fi) 1990-08-20
PT95107A (pt) 1992-03-31
PT95107B (pt) 1998-08-31
KR0169963B1 (ko) 1999-03-20

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