FR2474265A1 - Circuit de reglage automatique de luminosite pour un tube cathodique - Google Patents

Circuit de reglage automatique de luminosite pour un tube cathodique Download PDF

Info

Publication number
FR2474265A1
FR2474265A1 FR8101161A FR8101161A FR2474265A1 FR 2474265 A1 FR2474265 A1 FR 2474265A1 FR 8101161 A FR8101161 A FR 8101161A FR 8101161 A FR8101161 A FR 8101161A FR 2474265 A1 FR2474265 A1 FR 2474265A1
Authority
FR
France
Prior art keywords
circuit
rgb
reference signal
level
signal
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
FR8101161A
Other languages
English (en)
French (fr)
Other versions
FR2474265B1 (US20100223739A1-20100909-C00025.png
Inventor
Takashi Okada
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 FR2474265A1 publication Critical patent/FR2474265A1/fr
Application granted granted Critical
Publication of FR2474265B1 publication Critical patent/FR2474265B1/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/16Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00Diagnosis, testing or measuring for television systems or their details
    • H04N17/04Diagnosis, testing or measuring for television systems or their details for receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • H04N9/72Circuits for processing colour signals for reinsertion of DC and slowly varying components of colour signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • H04N9/73Colour balance circuits, e.g. white balance circuits or colour temperature control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Receiver Circuits (AREA)
FR8101161A 1980-01-23 1981-01-22 Circuit de reglage automatique de luminosite pour un tube cathodique Granted FR2474265A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP666780A JPS56104585A (en) 1980-01-23 1980-01-23 Automatic luminance adjusting device of picture tube

Publications (2)

Publication Number Publication Date
FR2474265A1 true FR2474265A1 (fr) 1981-07-24
FR2474265B1 FR2474265B1 (US20100223739A1-20100909-C00025.png) 1983-07-18

Family

ID=11644718

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8101161A Granted FR2474265A1 (fr) 1980-01-23 1981-01-22 Circuit de reglage automatique de luminosite pour un tube cathodique

Country Status (8)

Country Link
US (1) US4356508A (US20100223739A1-20100909-C00025.png)
JP (1) JPS56104585A (US20100223739A1-20100909-C00025.png)
AU (1) AU541001B2 (US20100223739A1-20100909-C00025.png)
CA (1) CA1156374A (US20100223739A1-20100909-C00025.png)
DE (1) DE3102157C3 (US20100223739A1-20100909-C00025.png)
FR (1) FR2474265A1 (US20100223739A1-20100909-C00025.png)
GB (1) GB2070398B (US20100223739A1-20100909-C00025.png)
NL (1) NL192763C (US20100223739A1-20100909-C00025.png)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6018086A (ja) * 1983-07-11 1985-01-30 Toshiba Corp カラ−テレビジヨン受像機
JPS6018087A (ja) * 1983-07-11 1985-01-30 Toshiba Corp カラ−テレビジヨン受像機
US5036387A (en) * 1983-07-11 1991-07-30 Kabushiki Kaisha Toshiba Color television receiver
JPS6043989A (ja) * 1983-08-20 1985-03-08 Matsushita Electric Ind Co Ltd 自動ホワイトバランス調整装置
US4599642A (en) * 1984-03-02 1986-07-08 Rca Corporation Video signal processor with bias error compensation
US4554578A (en) * 1984-03-02 1985-11-19 Rca Corporation Error compensated control system in a video signal processor
US4694330A (en) * 1984-08-21 1987-09-15 Sony Corporation Color correction circuit
US4631576A (en) * 1984-11-13 1986-12-23 Hazeltine Corporation Nonuniformity correction system for color CRT display
JPH0695765B2 (ja) * 1985-02-14 1994-11-24 ソニー株式会社 自動ホワイトバランス調整回路付カラー表示装置
GB8521019D0 (en) * 1985-08-22 1986-10-01 Rank Pullin Controls Ltd Imaging apparatus
JPS62268291A (ja) * 1986-05-16 1987-11-20 Sony Corp 色温度自動調整回路
US4947253A (en) * 1989-04-18 1990-08-07 Rca Licensing Corporation Brightness modulator for closed loop compensation of black level
US5134490A (en) * 1989-04-18 1992-07-28 Thomson Consumer Electronics, Inc. Beam current limiter with brightness control threshold extension
DE69021816T2 (de) * 1989-10-03 1996-04-11 Sharp Kk Vorrichtung zur Erzeugung eines abgetasteten Videosignals für die Verbesserung der auf Schaltungseigenschaftenunterschied zwischen den Kanälen basierenden Abweichung.
JP2598327B2 (ja) * 1989-10-03 1997-04-09 シャープ株式会社 映像信号処理装置
JP3033587B2 (ja) * 1989-11-10 2000-04-17 ソニー株式会社 自動画質調整装置
GB9124071D0 (en) * 1991-11-13 1992-01-02 Thomson Consumer Electronics Crt bias compensation
JPH0574999U (ja) * 1992-03-19 1993-10-12 関東自動車工業株式会社 コンソールボックスドアのヒンジ装置
CN102446500B (zh) * 2010-10-04 2014-03-05 宏碁股份有限公司 图像显示方法以及图像显示系统

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2158543A1 (US20100223739A1-20100909-C00025.png) * 1971-11-01 1973-06-15 Tektronix Inc

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3670100A (en) * 1971-03-29 1972-06-13 Telemation Automatic reference level set for television cameras
US3800079A (en) * 1972-12-18 1974-03-26 Ibm Compensation for a scanning system
US4012775A (en) * 1975-04-28 1977-03-15 Thomson Csf Laboratories, Inc. System for stabilizing cathode ray tube operation
US3970777A (en) * 1975-06-09 1976-07-20 Minnesota Mining And Manufacturing Company Apparatus for adjusting video pedestal and peak white level
CA1108285A (en) * 1976-08-20 1981-09-01 George H. Kam Apparatus for adjusting operating conditions of a cathode ray tube
US4126814A (en) * 1976-12-09 1978-11-21 Rca Corporation Electron gun control system
JPS6050112B2 (ja) * 1978-11-15 1985-11-06 株式会社日立製作所 色信号出力回路
US4203131A (en) * 1979-01-31 1980-05-13 Rca Corporation Predictable automatic brightness control circuit in a video signal image reproducing system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2158543A1 (US20100223739A1-20100909-C00025.png) * 1971-11-01 1973-06-15 Tektronix Inc

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/78 *

Also Published As

Publication number Publication date
DE3102157A1 (de) 1981-12-10
DE3102157C3 (de) 1994-09-15
FR2474265B1 (US20100223739A1-20100909-C00025.png) 1983-07-18
NL8100285A (nl) 1981-08-17
GB2070398A (en) 1981-09-03
JPS56104585A (en) 1981-08-20
JPS6317271B2 (US20100223739A1-20100909-C00025.png) 1988-04-13
AU6635781A (en) 1981-07-30
NL192763B (nl) 1997-09-01
DE3102157C2 (US20100223739A1-20100909-C00025.png) 1994-09-15
NL192763C (nl) 1998-01-06
GB2070398B (en) 1983-12-21
AU541001B2 (en) 1984-12-13
CA1156374A (en) 1983-11-01
US4356508A (en) 1982-10-26

Similar Documents

Publication Publication Date Title
FR2474265A1 (fr) Circuit de reglage automatique de luminosite pour un tube cathodique
US4249197A (en) Method and device for adjusting a television camera by means of a monitor picture, prior to scene recording
FR2472323A1 (fr) Dispositif automatique de limitation des courants des faisceaux d'un tube-image avec modes sequentiels de controle
US4158859A (en) Automatic control of iris and clamping voltage in video signal generator
FR2470502A1 (fr) Circuit de traitement d'un signal video notamment pour un recepteur de television
FR2546699A1 (fr) Reseau de traitement de signaux video avec systemes de reglage automatique de l'equilibre du blanc et du limiteur du courant des faisceaux du tube-image
FR2551293A1 (fr) Circuit limiteur de courant de faisceau pour commande de tube cathodique
FR2517152A1 (fr) Controle de l'image pour visualisation de caracteres graphiques sur l'ecran d'un televiseur
US4748506A (en) Image pickup apparatus with excess-charge control
FR2563679A1 (fr) Limiteur automatique du courant des faisceaux d'un tube-image
FR2535565A1 (fr) Systeme de reglage automatique de la polarisation d'un tube-image avec processeur de signaux selectivement inhibe
US4860092A (en) Color image signal processing circuit with white balance control and gain control
FR2530395A1 (fr) Etage d'attaque a gain pouvant etre preetabli a la main pour un tube-image dans un systeme de reglage automatique de la polarisation du tube-image
US20060268155A1 (en) Image pickup apparatus
EP0375038B1 (fr) Appareil de reproduction d'image vidéo muni d'un réglage de contraste, et procédé de réglage du contraste d'un tel appareil de reproduction
FR2564272A1 (fr) Systeme de reglage automatique de la polarisation pour un dispositif de visualisation d'une image
FR2494880A1 (fr) Affichage alphanumerique sur l'ecran d'un televiseur
US7948525B2 (en) Imaging device having a linear/logarithmic imaging sensor
FR2561051A1 (fr) Systeme de traitement de signaux video avec limiteur automatique des courants des faisceaux
FR2472894A1 (fr) Camera de television en technique etat solide
FR2475336A1 (fr) Limiteur automatique de courant des faisceaux d'un tube-image, protege contre les pannes
FR2481036A1 (fr) Dispositif, dans un televiseur, pour empecher que le fonctionnement du circuit de reglage du niveau d'effacement declenche ne soit gene par le bruit
FR2522455A1 (fr) Televiseur avec systeme de visualisation de caracteres sur l'ecran a inhibition selective
US20060268154A1 (en) Image pickup apparatus
EP0004498A2 (fr) Dispositif générateur de la tension de blocage d'un tube à rayons cathodiques et appareil récepteur de télévision en couleur comportant un tel dispositif