JPS57145484A - Agc system of video signal - Google Patents

Agc system of video signal

Info

Publication number
JPS57145484A
JPS57145484A JP3046281A JP3046281A JPS57145484A JP S57145484 A JPS57145484 A JP S57145484A JP 3046281 A JP3046281 A JP 3046281A JP 3046281 A JP3046281 A JP 3046281A JP S57145484 A JPS57145484 A JP S57145484A
Authority
JP
Japan
Prior art keywords
signal
circuit
pulse
synchronizing
pedestal part
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.)
Granted
Application number
JP3046281A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0225314B2 (cs
Inventor
Kenji Koro
Tadao Nagatsuma
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.)
Oki Electric Industry Co Ltd
Japan Broadcasting Corp
Original Assignee
Nippon Hoso Kyokai NHK
Oki Electric Industry Co Ltd
Japan Broadcasting 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 Nippon Hoso Kyokai NHK, Oki Electric Industry Co Ltd, Japan Broadcasting Corp filed Critical Nippon Hoso Kyokai NHK
Priority to JP3046281A priority Critical patent/JPS57145484A/ja
Publication of JPS57145484A publication Critical patent/JPS57145484A/ja
Publication of JPH0225314B2 publication Critical patent/JPH0225314B2/ja
Granted legal-status Critical Current

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
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/211—Ghost signal cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
JP3046281A 1981-03-05 1981-03-05 Agc system of video signal Granted JPS57145484A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3046281A JPS57145484A (en) 1981-03-05 1981-03-05 Agc system of video signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3046281A JPS57145484A (en) 1981-03-05 1981-03-05 Agc system of video signal

Publications (2)

Publication Number Publication Date
JPS57145484A true JPS57145484A (en) 1982-09-08
JPH0225314B2 JPH0225314B2 (cs) 1990-06-01

Family

ID=12304548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3046281A Granted JPS57145484A (en) 1981-03-05 1981-03-05 Agc system of video signal

Country Status (1)

Country Link
JP (1) JPS57145484A (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5191407A (en) * 1990-01-19 1993-03-02 Kabushiki Kaisha Toshiba Contour accentuation circuit for a color signal
US5341173A (en) * 1992-04-22 1994-08-23 Samsung Electronics Co., Ltd. Automatic gain control circuit
US5398065A (en) * 1982-11-29 1995-03-14 Canon Kabushiki Kaisha Image sensing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398065A (en) * 1982-11-29 1995-03-14 Canon Kabushiki Kaisha Image sensing device
US5191407A (en) * 1990-01-19 1993-03-02 Kabushiki Kaisha Toshiba Contour accentuation circuit for a color signal
US5341173A (en) * 1992-04-22 1994-08-23 Samsung Electronics Co., Ltd. Automatic gain control circuit

Also Published As

Publication number Publication date
JPH0225314B2 (cs) 1990-06-01

Similar Documents

Publication Publication Date Title
EP0361452A3 (en) Digital automatic gain control apparatus and method
JPS57145484A (en) Agc system of video signal
KR930022865A (ko) 자동이득조정회로
MY109197A (en) Method of adjusting white balance of crt display apparatus for same, and television receiver
JPS5588476A (en) Automatic picture quality controller
JPS5488717A (en) Synchronous separation circuit
JPS56169969A (en) Synchronisum separation circuit
JPS5592081A (en) Adjustment unit of television receiver
JPS572109A (en) Automatic gain control circuit
JPS57147382A (en) Automatc gain control circuit of video signal
JPS5784690A (en) Automatic gain control circuit in video signal transmission system
JPS5478012A (en) Clamp circuit
FR2399172A1 (fr) Circuit de commande de commutation pour un demodulateur de couleur secam
JPS54147725A (en) Television channel selection unit of synthesizer system
JPS56132072A (en) Automatic gain control circuit
JPS6468070A (en) Clamping circuit
JPS5715575A (en) Synthesis circuit for video signal
JPS6489867A (en) Method and apparatus of eliminating false synchronizing pulse and/or agc pulse from video signal
JPS55166061A (en) Compensating method of variation in gain
JPS5738090A (en) Color signal level correction circuit
KR940003357A (ko) 영상신호의 자동 이득 조절 및 클램핑 회로
JPS57159184A (en) Index signal separation circuit
JPS5769974A (en) Waveform signal processor
JPS5571358A (en) Synchronizing separator circuit
JPS5666985A (en) Chrominance signal control circuit