CN1003625B - 色度信号幅度控制装置 - Google Patents

色度信号幅度控制装置 Download PDF

Info

Publication number
CN1003625B
CN1003625B CN85108289.0A CN85108289A CN1003625B CN 1003625 B CN1003625 B CN 1003625B CN 85108289 A CN85108289 A CN 85108289A CN 1003625 B CN1003625 B CN 1003625B
Authority
CN
China
Prior art keywords
signal
value
predetermined
gain
burst
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
Application number
CN85108289.0A
Other languages
English (en)
Chinese (zh)
Other versions
CN85108289A (zh
Inventor
托马斯·文森特·博尔格
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.)
RCA Licensing Corp
Original Assignee
RCA Licensing 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 Licensing Corp filed Critical RCA Licensing Corp
Publication of CN85108289A publication Critical patent/CN85108289A/zh
Publication of CN1003625B publication Critical patent/CN1003625B/zh
Expired legal-status Critical Current

Links

Images

Classifications

    • 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)
CN85108289.0A 1984-10-24 1985-10-24 色度信号幅度控制装置 Expired CN1003625B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/664,332 US4635102A (en) 1984-10-24 1984-10-24 Chroma signal amplitude control apparatus
US664,332 1984-10-24

Publications (2)

Publication Number Publication Date
CN85108289A CN85108289A (zh) 1986-08-27
CN1003625B true CN1003625B (zh) 1989-03-15

Family

ID=24665559

Family Applications (1)

Application Number Title Priority Date Filing Date
CN85108289.0A Expired CN1003625B (zh) 1984-10-24 1985-10-24 色度信号幅度控制装置

Country Status (10)

Country Link
US (1) US4635102A (https=)
JP (1) JPS61103389A (https=)
KR (1) KR930011972B1 (https=)
CN (1) CN1003625B (https=)
AU (1) AU591639B2 (https=)
CA (1) CA1230673A (https=)
DE (1) DE3537746C2 (https=)
FR (1) FR2572236B1 (https=)
GB (1) GB2166310B (https=)
HK (1) HK90493A (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4703340A (en) * 1986-05-02 1987-10-27 Rca Corporation Frequency division multiplexed analog to digital converter
US5063580A (en) * 1990-05-07 1991-11-05 Thomson Consumer Electronics, Inc. Apparatus for conditioning a control signal
US6188788B1 (en) * 1997-12-09 2001-02-13 Texas Instruments Incorporated Automatic color saturation control in video decoder using recursive algorithm
FR2778054B1 (fr) 1998-04-23 2000-07-07 Sgs Thomson Microelectronics Dispositif de regulation de l'amplitude du signal chrominance
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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3740462A (en) * 1972-04-10 1973-06-19 Rca Corp Automatic chroma gain control system
US3764734A (en) * 1972-06-07 1973-10-09 Gte Sylvania Inc Automatic peak color control
JPS5527755B2 (https=) * 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
JPS604637B2 (ja) * 1980-06-02 1985-02-05 日本ビクター株式会社 テレビジヨンカメラにおける自動白色調節回路
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
US4434439A (en) * 1982-02-22 1984-02-28 Rca Corporation Digital television AGC arrangement
US4502078A (en) * 1982-02-22 1985-02-26 Rca Corporation Digital television receivers
US4447826A (en) * 1982-03-18 1984-05-08 Rca Corporation Digital television receiver automatic chroma control system
US4602276A (en) * 1984-04-12 1986-07-22 Rca Corporation Digital signal level overload system

Also Published As

Publication number Publication date
GB2166310A (en) 1986-04-30
US4635102A (en) 1987-01-06
FR2572236B1 (fr) 1988-10-28
AU591639B2 (en) 1989-12-14
CN85108289A (zh) 1986-08-27
FR2572236A1 (fr) 1986-04-25
DE3537746A1 (de) 1986-04-24
AU4881385A (en) 1986-05-01
KR860003740A (ko) 1986-05-28
CA1230673A (en) 1987-12-22
HK90493A (en) 1993-09-10
DE3537746C2 (de) 1995-10-12
JPS61103389A (ja) 1986-05-21
KR930011972B1 (ko) 1993-12-23
GB8525643D0 (en) 1985-11-20
JPH0575237B2 (https=) 1993-10-20
GB2166310B (en) 1988-07-20

Similar Documents

Publication Publication Date Title
FI75963C (fi) Digitalt agc-arrangemang.
JPH0342038B2 (https=)
EP0222508B1 (en) Video level control
CN1003625B (zh) 色度信号幅度控制装置
US5121117A (en) Balanced A/D converter
US4283740A (en) Apparatus for discriminating television signal
EP0281175B1 (en) Clamping circuit for a television transmission system
EP0563877A2 (en) Color signal clipping or limiting apparatus
US5627599A (en) Chrominance signal processing apparatus for digital television receiver
CN1003624B (zh) 色度过载控制系统
US3914536A (en) Identifier for a pulse code modulated signal
US4237490A (en) Signal overload prevention circuit
JP2991549B2 (ja) 映像信号処理装置
GB2110490A (en) Adaptive analog-to-digital conversion method and system
JP2901646B2 (ja) 波形等化器
KR960013650B1 (ko) 에이치디티브이(hdtv) 수신기의 자동이득 조절장치
JP2759964B2 (ja) ファクシミリ装置
JPS6211392A (ja) キ−イング信号発生回路
EP0581370B1 (en) Television signal receiver
JPH0580865B2 (https=)
JPH0159791B2 (https=)
JPH06101851B2 (ja) カラ−映像信号処理装置
KR19980032835U (ko) 사운드신호의 노이즈제거기능을 구비한 텔레비젼
KR0170634B1 (ko) 클램프 레벨 자동조절회로
CA1331401C (en) Tv signal transmission system and method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C13 Decision
GR02 Examined patent application
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee