NL192763C - Automatische helderheidsinstelschakeling voor een televisieweergeefinrichting. - Google Patents

Automatische helderheidsinstelschakeling voor een televisieweergeefinrichting. Download PDF

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Publication number
NL192763C
NL192763C NL8100285A NL8100285A NL192763C NL 192763 C NL192763 C NL 192763C NL 8100285 A NL8100285 A NL 8100285A NL 8100285 A NL8100285 A NL 8100285A NL 192763 C NL192763 C NL 192763C
Authority
NL
Netherlands
Prior art keywords
signal
circuit
current
level
coupled
Prior art date
Application number
NL8100285A
Other languages
English (en)
Dutch (nl)
Other versions
NL192763B (nl
NL8100285A (nl
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 NL8100285A publication Critical patent/NL8100285A/nl
Publication of NL192763B publication Critical patent/NL192763B/xx
Application granted granted Critical
Publication of NL192763C publication Critical patent/NL192763C/nl

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)
NL8100285A 1980-01-23 1981-01-21 Automatische helderheidsinstelschakeling voor een televisieweergeefinrichting. NL192763C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP666780A JPS56104585A (en) 1980-01-23 1980-01-23 Automatic luminance adjusting device of picture tube
JP666780 1980-01-23

Publications (3)

Publication Number Publication Date
NL8100285A NL8100285A (nl) 1981-08-17
NL192763B NL192763B (nl) 1997-09-01
NL192763C true NL192763C (nl) 1998-01-06

Family

ID=11644718

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8100285A NL192763C (nl) 1980-01-23 1981-01-21 Automatische helderheidsinstelschakeling voor een televisieweergeefinrichting.

Country Status (8)

Country Link
US (1) US4356508A (fr)
JP (1) JPS56104585A (fr)
AU (1) AU541001B2 (fr)
CA (1) CA1156374A (fr)
DE (1) DE3102157C3 (fr)
FR (1) FR2474265A1 (fr)
GB (1) GB2070398B (fr)
NL (1) NL192763C (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5036387A (en) * 1983-07-11 1991-07-30 Kabushiki Kaisha Toshiba Color television receiver
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
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
JP2598327B2 (ja) * 1989-10-03 1997-04-09 シャープ株式会社 映像信号処理装置
EP0421428B1 (fr) * 1989-10-03 1995-08-23 Sharp Kabushiki Kaisha Dispositif de génération d'un signal vidéo échantillonné pour l'amélioration de la déviation basée sur la différence des caractéristiques de circuit entre les canaux
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

Family Cites Families (9)

* 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
US3760099A (en) * 1971-11-01 1973-09-18 Tektronix Inc Video amplifier for a color television apparatus
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 (fr) * 1976-08-20 1981-09-01 George H. Kam Appareil de reglage des conditions de fonctionnement d'un tube a rayons cathodiques
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

Also Published As

Publication number Publication date
US4356508A (en) 1982-10-26
DE3102157A1 (de) 1981-12-10
NL192763B (nl) 1997-09-01
GB2070398B (en) 1983-12-21
JPS56104585A (en) 1981-08-20
JPS6317271B2 (fr) 1988-04-13
DE3102157C3 (de) 1994-09-15
FR2474265B1 (fr) 1983-07-18
GB2070398A (en) 1981-09-03
AU6635781A (en) 1981-07-30
FR2474265A1 (fr) 1981-07-24
CA1156374A (fr) 1983-11-01
NL8100285A (nl) 1981-08-17
DE3102157C2 (fr) 1994-09-15
AU541001B2 (en) 1984-12-13

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

Free format text: 20010121