KR890001903B1 - 영상신호의 잡음 저감회로 - Google Patents

영상신호의 잡음 저감회로 Download PDF

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Publication number
KR890001903B1
KR890001903B1 KR1019840006751A KR840006751A KR890001903B1 KR 890001903 B1 KR890001903 B1 KR 890001903B1 KR 1019840006751 A KR1019840006751 A KR 1019840006751A KR 840006751 A KR840006751 A KR 840006751A KR 890001903 B1 KR890001903 B1 KR 890001903B1
Authority
KR
South Korea
Prior art keywords
circuit
output
video signal
filter
frequency
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
KR1019840006751A
Other languages
English (en)
Korean (ko)
Other versions
KR850004004A (ko
Inventor
히사또시 후꾸다
미쯔오 후지따
Original Assignee
니뽕 빅터 가부시끼 가이샤
이노우에 도시야
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 니뽕 빅터 가부시끼 가이샤, 이노우에 도시야 filed Critical 니뽕 빅터 가부시끼 가이샤
Publication of KR850004004A publication Critical patent/KR850004004A/ko
Application granted granted Critical
Publication of KR890001903B1 publication Critical patent/KR890001903B1/ko
Expired legal-status Critical Current

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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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Television Signal Processing For Recording (AREA)
KR1019840006751A 1983-11-28 1984-10-30 영상신호의 잡음 저감회로 Expired KR890001903B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP??223753 1983-11-28
JP223.753 1983-11-28
JP58223753A JPS60116290A (ja) 1983-11-28 1983-11-28 映像信号の雑音低減回路

Publications (2)

Publication Number Publication Date
KR850004004A KR850004004A (ko) 1985-06-29
KR890001903B1 true KR890001903B1 (ko) 1989-05-30

Family

ID=16803165

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840006751A Expired KR890001903B1 (ko) 1983-11-28 1984-10-30 영상신호의 잡음 저감회로

Country Status (3)

Country Link
US (1) US4646153A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS60116290A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR890001903B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4833634A (en) * 1982-11-26 1989-05-23 Coblitz David B Multipurpose adaptive filter
JPS6258793A (ja) * 1985-09-03 1987-03-14 Victor Co Of Japan Ltd テレビジヨン信号の同時化回路
JPH0746836B2 (ja) * 1985-12-04 1995-05-17 オリンパス光学工業株式会社 内視鏡用画像信号補正回路
JPS62190973A (ja) * 1986-02-18 1987-08-21 Victor Co Of Japan Ltd ノイズリダクシヨン回路
JPS6318811A (ja) * 1986-07-11 1988-01-26 Victor Co Of Japan Ltd 雑音低減回路
US4941055A (en) * 1986-12-09 1990-07-10 Canon Kabushiki Kaisha Recording apparatus with improved S/N ratio
JPH02275588A (ja) * 1989-04-18 1990-11-09 Toshiba Corp リカーシブフィルタおよびこれを用いた画像表示装置
JPH0720256B2 (ja) * 1989-06-26 1995-03-06 三洋電機株式会社 輝度信号分離回路
JPH03112275A (ja) * 1989-09-27 1991-05-13 Sony Corp 雑音低減回路
JPH0468923A (ja) * 1990-07-09 1992-03-04 Sony Corp ノンリニアプリエンファシス・デエンファシスシステム
US5132797A (en) * 1990-10-19 1992-07-21 Zenith Electronics Corporation Co-channel interference filter for digital high definition television receiver
US5699386A (en) * 1994-04-19 1997-12-16 Gec Plessey Semiconductors, Inc. System and method for data signal communication using a high-pass function before a low-pass function with quantized feedback technique
US5512958A (en) * 1994-04-29 1996-04-30 Matsushita Electric Corporation Of America System for controlling the effects of noise in television receivers
US6320622B1 (en) * 1998-09-07 2001-11-20 Infineon Technologies Ag De-emphasis filter with integrated determination of achromatic values

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101837A (en) * 1977-05-11 1978-07-18 Scientific-Atlanta, Inc. Threshold extension fm demodulator apparatus for wide band width fm signals
JPS54109720A (en) * 1978-02-16 1979-08-28 Toshiba Corp Ghost signal erasing device
FR2419618A1 (fr) * 1978-03-10 1979-10-05 Cit Alcatel Egaliseur automatique pour transmission numerique synchrone
JPS60186A (ja) * 1983-06-16 1985-01-05 Canon Inc Ｘ線撮影装置

Also Published As

Publication number Publication date
US4646153A (en) 1987-02-24
JPH0115228B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-03-16
JPS60116290A (ja) 1985-06-22
KR850004004A (ko) 1985-06-29

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