GB2170976B - Image signal processing circuit - Google Patents

Image signal processing circuit

Info

Publication number
GB2170976B
GB2170976B GB8601455A GB8601455A GB2170976B GB 2170976 B GB2170976 B GB 2170976B GB 8601455 A GB8601455 A GB 8601455A GB 8601455 A GB8601455 A GB 8601455A GB 2170976 B GB2170976 B GB 2170976B
Authority
GB
United Kingdom
Prior art keywords
signal processing
image signal
processing circuit
circuit
image
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
GB8601455A
Other languages
English (en)
Other versions
GB2170976A (en
GB8601455D0 (en
Inventor
Naohisa Fujiwara
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Priority claimed from JP60016212A external-priority patent/JPH0691629B2/ja
Priority claimed from JP60013829A external-priority patent/JPS61172485A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of GB8601455D0 publication Critical patent/GB8601455D0/en
Publication of GB2170976A publication Critical patent/GB2170976A/en
Application granted granted Critical
Publication of GB2170976B publication Critical patent/GB2170976B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Picture Signal Circuits (AREA)
GB8601455A 1985-01-28 1986-01-22 Image signal processing circuit Expired GB2170976B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60016212A JPH0691629B2 (ja) 1985-01-28 1985-01-28 カラ−映像信号処理回路
JP60013829A JPS61172485A (ja) 1985-01-28 1985-01-28 映像信号処理回路

Publications (3)

Publication Number Publication Date
GB8601455D0 GB8601455D0 (en) 1986-02-26
GB2170976A GB2170976A (en) 1986-08-13
GB2170976B true GB2170976B (en) 1989-09-06

Family

ID=26349678

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8601455A Expired GB2170976B (en) 1985-01-28 1986-01-22 Image signal processing circuit
GB8807155A Expired GB2202408B (en) 1985-01-28 1988-03-25 Image signal processing circuit

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8807155A Expired GB2202408B (en) 1985-01-28 1988-03-25 Image signal processing circuit

Country Status (4)

Country Link
US (2) US4701787A (enExample)
KR (1) KR890004853B1 (enExample)
DE (1) DE3602503A1 (enExample)
GB (2) GB2170976B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2595891B1 (fr) * 1986-03-11 1988-06-10 Labo Electronique Physique Procede de renforcement des contours de signaux numeriques et dispositif de traitement pour la mise en oeuvre dudit procede
JP2611320B2 (ja) * 1988-04-01 1997-05-21 ソニー株式会社 モード判別回路
JPH0398086A (ja) * 1989-09-11 1991-04-23 Victor Co Of Japan Ltd 液晶表示装置における残像打消回路
JP2740113B2 (ja) * 1993-06-30 1998-04-15 株式会社東芝 クロマノイズリダクション装置
ATE218260T1 (de) * 1996-02-19 2002-06-15 Koninkl Philips Electronics Nv Vorrichtung und verfahren zur videosignalkodierung
US10245491B2 (en) * 2015-02-19 2019-04-02 Scherba Industries, Inc. Inflatable dojo structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54130835A (en) * 1978-03-31 1979-10-11 Sanyo Electric Co Ltd Noise reduction system of chrominance subcarrier
GB2070385A (en) * 1980-02-07 1981-09-03 Rca Corp Adaptive amplitude averaging for weighting sampling noise
GB2124852A (en) * 1982-07-20 1984-02-22 Victor Company Of Japan Signal-to-noise ratio improving circuit for a color video signal
EP0137994A2 (en) * 1983-08-31 1985-04-24 Sony Corporation Secondary beat signal cancel circuit for magnetic reproducing apparatus
GB2157909A (en) * 1984-03-21 1985-10-30 Pioneer Electronic Corp Noise reduction circuit for composite color video signals

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836707A (en) * 1971-12-27 1974-09-17 Hitachi Ltd Video signal processing device for extracting the chrominance and luminance signals from a composite video signal in a color television receiver
JPS5849701B2 (ja) * 1977-07-01 1983-11-05 株式会社日立製作所 気化器の加速ポンプ
JPS5577289A (en) * 1978-12-07 1980-06-10 Sony Corp Color video signal processor
JPS592228B2 (ja) * 1978-12-14 1984-01-17 松下電器産業株式会社 テレビジョン信号の雑音除去方式
US4263612A (en) * 1979-08-01 1981-04-21 Rca Corporation Comb filter equalization circuit
JPS5689173A (en) * 1979-12-20 1981-07-20 Sony Corp Vertical aperture correcting circuit
JPS57160288A (en) * 1981-03-30 1982-10-02 Sony Corp Processing circuit for chrominance signal
DE3136217C2 (de) * 1981-09-12 1985-09-19 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur Verarbeitung eines Farbvideosignals
JPS6030285A (ja) * 1983-07-29 1985-02-15 Victor Co Of Japan Ltd 映像信号記録再生装置
JPS6069997A (ja) * 1983-09-26 1985-04-20 Sony Corp ノイズ軽減回路
JPS60114090A (ja) * 1983-11-26 1985-06-20 Toshiba Corp 垂直輪郭補正装置
DE3415654C2 (de) * 1984-04-27 1986-11-06 Günter Horst 7927 Sontheim Röhm Schlagbohreinrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54130835A (en) * 1978-03-31 1979-10-11 Sanyo Electric Co Ltd Noise reduction system of chrominance subcarrier
GB2070385A (en) * 1980-02-07 1981-09-03 Rca Corp Adaptive amplitude averaging for weighting sampling noise
GB2124852A (en) * 1982-07-20 1984-02-22 Victor Company Of Japan Signal-to-noise ratio improving circuit for a color video signal
EP0137994A2 (en) * 1983-08-31 1985-04-24 Sony Corporation Secondary beat signal cancel circuit for magnetic reproducing apparatus
GB2157909A (en) * 1984-03-21 1985-10-30 Pioneer Electronic Corp Noise reduction circuit for composite color video signals

Also Published As

Publication number Publication date
GB2170976A (en) 1986-08-13
KR860006185A (ko) 1986-08-28
GB8807155D0 (en) 1988-04-27
US4701787A (en) 1987-10-20
GB8601455D0 (en) 1986-02-26
GB2202408B (en) 1989-09-06
DE3602503C2 (enExample) 1990-08-09
GB2202408A (en) 1988-09-21
US4772939A (en) 1988-09-20
KR890004853B1 (ko) 1989-11-29
DE3602503A1 (de) 1986-07-31

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20060121