PT87406A - Automatic gain control delay circuit for a video signal processor - Google Patents

Automatic gain control delay circuit for a video signal processor

Info

Publication number
PT87406A
PT87406A PT87406A PT8740688A PT87406A PT 87406 A PT87406 A PT 87406A PT 87406 A PT87406 A PT 87406A PT 8740688 A PT8740688 A PT 8740688A PT 87406 A PT87406 A PT 87406A
Authority
PT
Portugal
Prior art keywords
video signal
signal processor
delay circuit
gain control
automatic gain
Prior art date
Application number
PT87406A
Other languages
English (en)
Other versions
PT87406B (pt
Inventor
Marck Francis Rumreich
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 PT87406A publication Critical patent/PT87406A/pt
Publication of PT87406B publication Critical patent/PT87406B/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52—Automatic gain control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Television Receiver Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
PT87406A 1987-05-06 1988-05-04 Circuito de retardo de controlo de ganho automatico para um processador de sinais video PT87406B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/046,355 US4761687A (en) 1987-05-06 1987-05-06 Automatic gain control delay circuit for a video signal processor

Publications (2)

Publication Number Publication Date
PT87406A true PT87406A (pt) 1989-05-31
PT87406B PT87406B (pt) 1993-09-30

Family

ID=21943012

Family Applications (1)

Application Number Title Priority Date Filing Date
PT87406A PT87406B (pt) 1987-05-06 1988-05-04 Circuito de retardo de controlo de ganho automatico para um processador de sinais video

Country Status (10)

Country Link
US (1) US4761687A (pt)
EP (1) EP0292163B1 (pt)
JP (1) JPH06105967B2 (pt)
KR (1) KR960013732B1 (pt)
CN (1) CN88102688A (pt)
CA (1) CA1269453A (pt)
DE (1) DE3855754T2 (pt)
ES (1) ES2097108T3 (pt)
PT (1) PT87406B (pt)
SG (1) SG64879A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3885789T2 (de) * 1987-04-23 1994-03-17 Brother Ind Ltd Papiertransportvorrichtung in einem Aufzeichnungsgerät.
DE58908000D1 (de) * 1988-07-28 1994-08-11 Contraves Ag Automatische Helligkeits- und Kontrast-Steuerung einer Video-Kamera für industrielle/militärische Zwecke.
EP0413311A3 (en) * 1989-08-16 1991-10-30 Hitachi, Ltd. A radio receiver and a radio receiver using a direct conversion
IT1246235B (it) * 1990-01-17 1994-11-17 Sgs Thomson Microelectronics Rete di controllo per diminuire i tempi di risposta di un tuner-agc di un ricevitore supereterodina e relativo circuito derivatore di fronti impiegato in detta rete di controllo
US5235424A (en) * 1992-02-06 1993-08-10 General Electric Company Automatic gain control system for a high definition television signal receiver
US5268761A (en) * 1992-08-19 1993-12-07 Rca Thomson Licensing Corporation Automatic gain control system for a high definition television signal receiver including an adaptive equalizer
KR100755686B1 (ko) * 2005-01-04 2007-09-05 삼성전자주식회사 신호 증폭 장치 및 방법
US7639965B2 (en) * 2006-04-19 2009-12-29 Lexmark International, Inc. Architecture for an image-forming device
US8634766B2 (en) * 2010-02-16 2014-01-21 Andrew Llc Gain measurement and monitoring for wireless communication systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532812A (en) * 1967-09-28 1970-10-06 Motorola Inc Automatic gain control circuit
US3495031A (en) * 1967-11-01 1970-02-10 Zenith Radio Corp Variable q i.f. amplifier circuit for a television receiver
US3697883A (en) * 1970-09-10 1972-10-10 Motorola Inc Automatic gain control circuit
US3838210A (en) * 1973-10-01 1974-09-24 Gen Electric Automatic gain control system and amplifier of controllable gain
US4237490A (en) * 1979-03-16 1980-12-02 Rca Corporation Signal overload prevention circuit
JPS59117875A (ja) * 1982-12-24 1984-07-07 Hitachi Micro Comput Eng Ltd 自動利得制御回路
JPS60217727A (ja) * 1984-04-13 1985-10-31 Hitachi Micro Comput Eng Ltd 論理回路
US4630117A (en) * 1985-05-30 1986-12-16 General Electric Company Automatic gain control system

Also Published As

Publication number Publication date
DE3855754D1 (de) 1997-02-27
EP0292163A3 (en) 1990-01-31
EP0292163B1 (en) 1997-01-15
JPH06105967B2 (ja) 1994-12-21
ES2097108T3 (es) 1997-04-01
KR880014814A (ko) 1988-12-24
SG64879A1 (en) 1999-05-25
CN88102688A (zh) 1988-11-16
EP0292163A2 (en) 1988-11-23
DE3855754T2 (de) 1997-06-05
CA1269453A (en) 1990-05-22
JPS63287273A (ja) 1988-11-24
KR960013732B1 (ko) 1996-10-10
US4761687A (en) 1988-08-02
PT87406B (pt) 1993-09-30

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19930303

MM3A Annulment or lapse

Effective date: 20050905