HK25593A - Digital signal amplitude control apparatus - Google Patents

Digital signal amplitude control apparatus

Info

Publication number
HK25593A
HK25593A HK255/93A HK25593A HK25593A HK 25593 A HK25593 A HK 25593A HK 255/93 A HK255/93 A HK 255/93A HK 25593 A HK25593 A HK 25593A HK 25593 A HK25593 A HK 25593A
Authority
HK
Hong Kong
Prior art keywords
overload
samples
gain factors
digital signal
control apparatus
Prior art date
Application number
HK255/93A
Other languages
English (en)
Inventor
Thomas Fling Russell
Henry Willis Donald
Lowell Mcneely David
Original Assignee
Rca Thomson Licensing Corporation
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 Thomson Licensing Corporation filed Critical Rca Thomson Licensing Corporation
Publication of HK25593A publication Critical patent/HK25593A/xx

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)
HK255/93A 1984-04-12 1993-03-18 Digital signal amplitude control apparatus HK25593A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
HK25593A true HK25593A (en) 1993-03-26

Family

ID=24399999

Family Applications (1)

Application Number Title Priority Date Filing Date
HK255/93A HK25593A (en) 1984-04-12 1993-03-18 Digital signal amplitude control apparatus

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
NL8501067A (nl) 1985-11-01
SE8501683L (sv) 1985-10-13
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

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)