NL8501067A - Digitale signaalamplituderegelinrichting. - Google Patents

Digitale signaalamplituderegelinrichting. Download PDF

Info

Publication number
NL8501067A
NL8501067A NL8501067A NL8501067A NL8501067A NL 8501067 A NL8501067 A NL 8501067A NL 8501067 A NL8501067 A NL 8501067A NL 8501067 A NL8501067 A NL 8501067A NL 8501067 A NL8501067 A NL 8501067A
Authority
NL
Netherlands
Prior art keywords
signal
value
values
digital video
detector
Prior art date
Application number
NL8501067A
Other languages
English (en)
Dutch (nl)
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of NL8501067A publication Critical patent/NL8501067A/nl

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
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Picture Signal Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
NL8501067A 1984-04-12 1985-04-11 Digitale signaalamplituderegelinrichting. NL8501067A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US59953184 1984-04-12
US06/599,531 US4602276A (en) 1984-04-12 1984-04-12 Digital signal level overload system

Publications (1)

Publication Number Publication Date
NL8501067A true NL8501067A (nl) 1985-11-01

Family

ID=24399999

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8501067A NL8501067A (nl) 1984-04-12 1985-04-11 Digitale signaalamplituderegelinrichting.

Country Status (21)

Country Link
US (1) US4602276A (cs)
JP (1) JPH07105957B2 (cs)
KR (1) KR930006867B1 (cs)
AT (1) AT395795B (cs)
AU (1) AU579618B2 (cs)
CA (1) CA1228668A (cs)
CS (1) CS277402B6 (cs)
DD (1) DD232388A5 (cs)
DE (1) DE3512996C2 (cs)
DK (1) DK163685A (cs)
ES (1) ES8609860A1 (cs)
FI (1) FI77345C (cs)
FR (1) FR2563068B1 (cs)
GB (1) GB2157530B (cs)
HK (1) HK25593A (cs)
IT (1) IT1184419B (cs)
NL (1) NL8501067A (cs)
PT (1) PT80285B (cs)
SE (1) SE454930B (cs)
YU (1) YU45983B (cs)
ZA (1) ZA852653B (cs)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3438564A1 (de) * 1984-10-20 1986-04-30 Philips Patentverwaltung Gmbh, 2000 Hamburg Abtastregelkreis
US4635102A (en) * 1984-10-24 1987-01-06 Rca Corporation Chroma signal amplitude control apparatus
EP0193634A1 (de) * 1985-03-07 1986-09-10 Deutsche ITT Industries GmbH Integrierte digitale Verstärkungsregelungs-Schaltung für das digitale Chrominanzsignal von digitalen Farbfernsehempfängern
US4989074A (en) * 1988-09-27 1991-01-29 Matsushita Electric Industrial Co., Ltd. Digital automatic gain control apparatus
FR2669170A1 (fr) * 1990-11-09 1992-05-15 Philips Electronics Nv Procede et dispositif pour le reglage de niveau de signaux video dans un appareil de reception de television.
DE4203717A1 (de) 1992-02-08 1993-08-12 Philips Patentverwaltung Schaltung zur adaptiven weisskompression von videosignalen
DE4217190C2 (de) * 1992-05-23 2003-05-08 Grundig Ag Fernsehempfänger mit mikrocomputergesteuerter Verstärkungsregelung
US6177962B1 (en) 1999-06-30 2001-01-23 Thomson Licensing S.A. Apparatus and method for preventing oversaturation of chrominance signals
US6947099B2 (en) * 2000-12-21 2005-09-20 Thomson Licensing Automatic chroma control circuit with controlled saturation reduction
KR100708111B1 (ko) * 2003-08-25 2007-04-16 삼성전자주식회사 디스플레이 기기의 색농도 조절 장치 및 방법

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3764734A (en) * 1972-06-07 1973-10-09 Gte Sylvania Inc Automatic peak color control
JPS5527755B2 (cs) * 1973-03-20 1980-07-23
US3943560A (en) * 1974-05-10 1976-03-09 General Electric Company Picture level control with compatible automatic chroma control
US4106054A (en) * 1977-01-19 1978-08-08 Zenith Radio Corporation Automatic chroma level system
US4106055A (en) * 1977-07-05 1978-08-08 Gte Sylvania Incorporated Automatic color level control system with threshold tracking
US4183047A (en) * 1977-12-08 1980-01-08 General Electric Company Chroma level stabilizer
JPS56128084A (en) * 1980-03-12 1981-10-07 Hitachi Ltd Color signal gain control circuit
DE3123038A1 (de) * 1981-06-10 1982-12-30 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zur regelung des digitalen chrominanzssignales eines farbfernsehempfaengers
DE3136216A1 (de) * 1981-09-12 1983-03-31 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zum regeln der amplitude des farbsignals
US4447826A (en) * 1982-03-18 1984-05-08 Rca Corporation Digital television receiver automatic chroma control system
DE3266503D1 (en) * 1982-05-27 1985-10-31 Itt Ind Gmbh Deutsche Integrated digital chrominance channel-circuit with controlled amplification
US4506291A (en) * 1982-07-29 1985-03-19 Rca Corporation Television receiver with digital signal processing having a digital-to-analog converter control capability
JPS5923996A (ja) * 1982-07-30 1984-02-07 Toshiba Corp カラ−コントロ−ル回路
US4507676A (en) * 1982-10-28 1985-03-26 Rca Corporation Digital matrixing system
US4538178A (en) * 1983-06-24 1985-08-27 Rca Corporation Digital signal peaking apparatus with controllable peaking level
JPS6010892A (ja) * 1983-06-30 1985-01-21 Toshiba Corp デジタルａｃｃ回路

Also Published As

Publication number Publication date
ES8609860A1 (es) 1986-09-01
AU4027885A (en) 1985-10-17
KR930006867B1 (ko) 1993-07-24
SE8501683L (sv) 1985-10-13
HK25593A (en) 1993-03-26
DD232388A5 (de) 1986-01-22
FI851374L (fi) 1985-10-13
DK163685A (da) 1985-10-13
PT80285B (pt) 1987-05-29
GB2157530A (en) 1985-10-23
AT395795B (de) 1993-03-25
ATA110585A (de) 1992-07-15
DE3512996A1 (de) 1985-10-17
FI77345C (fi) 1989-02-10
YU62185A (en) 1987-10-31
GB8509266D0 (en) 1985-05-15
JPS60230791A (ja) 1985-11-16
IT8520298A0 (it) 1985-04-11
CA1228668A (en) 1987-10-27
FI77345B (fi) 1988-10-31
YU45983B (sh) 1992-12-21
FI851374A0 (fi) 1985-04-04
PT80285A (en) 1985-05-01
AU579618B2 (en) 1988-12-01
SE8501683D0 (sv) 1985-04-04
ZA852653B (en) 1985-12-24
ES541947A0 (es) 1986-09-01
GB2157530B (en) 1987-07-15
US4602276A (en) 1986-07-22
DK163685D0 (da) 1985-04-11
JPH07105957B2 (ja) 1995-11-13
IT1184419B (it) 1987-10-28
SE454930B (sv) 1988-06-06
FR2563068A1 (fr) 1985-10-18
DE3512996C2 (de) 1995-05-18
CS261785A3 (en) 1992-03-18
CS277402B6 (en) 1993-03-17
KR850007356A (ko) 1985-12-02
FR2563068B1 (fr) 1988-11-10

Similar Documents

Publication Publication Date Title
US5249039A (en) Chroma key method and apparatus
CA2160552C (en) Screen filtering boundary detection for image compositing
CN101188670B (zh) 利用颜色分量对运动和/或场景变化检测的装置和方法
NL8403212A (nl) Kleurentelevisie-ontvanger.
KR920010505B1 (ko) 디지탈 신호 처리 장치
EP1065886B1 (en) Chroma overload protection apparatus and method
NL8501067A (nl) Digitale signaalamplituderegelinrichting.
EP0551189B1 (en) Video signal correction system
US5327228A (en) System for improving the quality of television pictures using rule based dynamic control
FI66105C (fi) Krets foer undertryckande av stoerningar i luminanssignal av faerg-tv
US6088065A (en) Contour correction apparatus and method
KR100868612B1 (ko) 윤곽 강조 장치
US4573069A (en) Chrominance fine gain control in a digital television receiver
US5150203A (en) Variable chrominance filtering for encoding television signals
US5218438A (en) Picture aperture correction circuit
KR970010397B1 (ko) 티브이의 색신호 처리 장치
CA1115412A (en) Suppression of luminance signal contamination of chrominance signals in a video signal processing system
JP3892529B2 (ja) ビデオ画像のコントラストを調整する装置
US4630102A (en) Digital chroma overload system
JPH10322573A (ja) 輪郭補正装置
DE69604107T2 (de) Farbsignaldemodulator geeignet für PAL- und SECAM-Fernsehempfänger
RU1818709C (ru) "Устройство дл коррекции перекрестных искажений типа " ркость-цветность"
CN85104989A (zh) 数字信号幅度控制装置
US3320358A (en) Flicker reduction circuit for color television receivers
EP0683605B1 (en) Method and device for enhancing the transients of a video signal in component form

Legal Events

Date Code Title Description
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: RCA LICENSING CORPORATION

BV The patent application has lapsed