KR900008882A - 드롭 아우트의 검출회로 - Google Patents

드롭 아우트의 검출회로 Download PDF

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Publication number
KR900008882A
KR900008882A KR1019890016454A KR890016454A KR900008882A KR 900008882 A KR900008882 A KR 900008882A KR 1019890016454 A KR1019890016454 A KR 1019890016454A KR 890016454 A KR890016454 A KR 890016454A KR 900008882 A KR900008882 A KR 900008882A
Authority
KR
South Korea
Prior art keywords
signal
level
video signal
detection
detection circuit
Prior art date
Application number
KR1019890016454A
Other languages
English (en)
Other versions
KR0144733B1 (ko
Inventor
이사오 이찌무라
Original Assignee
오오가 노리오
소니 가부시끼 가이샤
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 오오가 노리오, 소니 가부시끼 가이샤 filed Critical 오오가 노리오
Publication of KR900008882A publication Critical patent/KR900008882A/ko
Application granted granted Critical
Publication of KR0144733B1 publication Critical patent/KR0144733B1/ko

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Classifications

    • 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
    • H04N9/87—Regeneration of colour television signals
    • H04N9/88—Signal drop-out compensation
    • 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
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/81—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded sequentially only

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

내용 없음.

Description

드롭 아우트의 검출회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 일실시예에 대한 계통도.
제2A도, 제2B도, 제3도는 상기 실시예의 설명을 위한 도면.

Claims (1)

  1. 비디오 신호가 FM 신호로 변화되어, 이 FM 신호가 기록되어 있는 기록 매체에서 상기 비디오 신호를 재생하는 장치에 있어서, 상기 기록 매체에서 상기 FM신호를 재생하는 수단과, 상기 재생된 FM신호로부터 상기 비디오 신호를 복조하는 복조회로와, 상기 복조된 비디오 신호의 레벨이 소정치를 초과하였을 때, 이것을 검출하는 제1 및 제2의 레벨 검출회로를 갖고, 이들 제1 및 제2의 레벨 검출 회로에 의한 검출레벨이, 상기 비디오 신호의 비디오 신호 기간과, 동기 펄스 기간으로 다르도록 되어, 상기 제1 및 제2의 레벨 검출 회로의 검출 출력이 드롭아우트의 검출 신호로서 인출되도록 한 것을 특징으로 하는 드롭 아우트의 검출 회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890016454A 1988-11-18 1989-11-14 드롭 아우트의 검출 회로 KR0144733B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP291931 1988-11-18
JP63291931A JPH02137595A (ja) 1988-11-18 1988-11-18 ドロップアウトの検出回路

Publications (2)

Publication Number Publication Date
KR900008882A true KR900008882A (ko) 1990-06-04
KR0144733B1 KR0144733B1 (ko) 1998-07-15

Family

ID=17775321

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890016454A KR0144733B1 (ko) 1988-11-18 1989-11-14 드롭 아우트의 검출 회로

Country Status (5)

Country Link
US (1) US5032915A (ko)
EP (1) EP0369892B1 (ko)
JP (1) JPH02137595A (ko)
KR (1) KR0144733B1 (ko)
DE (1) DE68924465T2 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5257109A (en) * 1990-07-02 1993-10-26 Akai Electric Co., Ltd. Magnetic recording and reproducing apparatus
US5249064A (en) * 1990-07-02 1993-09-28 Akai Electric Co., Ltd. Noise canceller for use in a magnetic reproducing apparatus
JP3057263B2 (ja) * 1990-11-27 2000-06-26 ソニー株式会社 ドロップアウト検出装置
JPH04216326A (ja) * 1990-12-18 1992-08-06 Pioneer Electron Corp クロストーク量検出装置
KR930001678A (ko) * 1991-06-13 1993-01-16 강진구 영상 신호에 있어서의 잡음 검출 알고리즘
US5512958A (en) * 1994-04-29 1996-04-30 Matsushita Electric Corporation Of America System for controlling the effects of noise in television receivers
US5774188A (en) * 1995-06-21 1998-06-30 Sony Corporation Black and white video signal detector for detecting the absence of a burst signal from a video signal
US5926063A (en) * 1997-05-08 1999-07-20 Sony Corporation Method of and apparatus for selectively engaging an internal trap filter and implementing an external trap filter through a single pin
JP3818820B2 (ja) * 2000-03-06 2006-09-06 パイオニア株式会社 光学式ディスクプレーヤのサーボ制御装置

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001496A (en) * 1974-06-06 1977-01-04 Rca Corporation Defect detection and compensation apparatus for use in an fm signal translating system
FR2280168A1 (fr) * 1974-07-23 1976-02-20 Thomson Brandt Procede de detection d'alteration de signaux de lecture d'information enregistree sur un support et appareil mettant en oeuvre un tel procede
JPS55149582A (en) * 1979-05-10 1980-11-20 Sharp Corp Dropout correction unit
JPS5631282A (en) * 1979-08-23 1981-03-30 Victor Co Of Japan Ltd Drop-out compensating unit
JPS5745784A (en) * 1980-08-30 1982-03-15 Sony Corp Noise suppressing circuit
US4364119A (en) * 1980-11-21 1982-12-14 Rca Corporation Video disc player with RFI reduction circuit including a signal product generator
US4384306A (en) * 1981-06-22 1983-05-17 Rca Corporation Variable peaking control circuit
US4368483A (en) * 1981-06-22 1983-01-11 Rca Corporation Video signal defect replacement circuitry
US4418363A (en) * 1981-06-24 1983-11-29 Rca Corporation Video disc player with RFI reduction circuit including sync tip clamp
JPS5836087A (ja) * 1981-08-27 1983-03-02 Matsushita Electric Ind Co Ltd ドロツプアウト補償装置
JPS58139575A (ja) * 1982-02-13 1983-08-18 Sony Corp 映像信号と音声信号の再生装置
JPS59115542A (ja) * 1982-12-22 1984-07-04 Toshiba Corp 半導体装置の製造方法
NL8303559A (nl) * 1983-10-17 1985-05-17 Philips Nv Signaaluitvalskorrektieschakeling voor het korrigeren van videosignalen die door signaaluitvalsstoringen verstoord zijn.
JPS6145687A (ja) * 1984-08-09 1986-03-05 Fuji Photo Film Co Ltd 磁気記録方法
JPS62137A (ja) * 1985-06-26 1987-01-06 Toshiba Corp 光受信方式
DE3539415A1 (de) * 1985-11-07 1987-05-14 Bosch Gmbh Robert Verfahren und schaltungsanordnung zum erkennen und verdecken von fehlern in einem digitalen videosignal
JPS62223817A (ja) * 1986-03-26 1987-10-01 Yamaha Corp 光デイスク再生装置のドロツプアウト検出装置
JP2617297B2 (ja) * 1986-04-28 1997-06-04 三菱電機株式会社 磁気映像再生装置
JPS6329362A (ja) * 1986-07-22 1988-02-08 Hitachi Ltd 映像信号再生装置の時間軸変動補正回路
JPH054372Y2 (ko) * 1987-03-17 1993-02-03
DE3881245T2 (de) * 1987-03-20 1993-09-02 Pioneer Electronic Corp Ausfall-detektorschaltung.
JPS63273127A (ja) * 1987-04-30 1988-11-10 Nec Home Electronics Ltd 印字デ−タ表示装置
JPS63311672A (ja) * 1987-06-11 1988-12-20 Mitsubishi Electric Corp ドロップアウト検出回路
NL8800849A (nl) * 1988-04-05 1989-11-01 Philips Nv Ontvanger, alsmede demodulatieschakeling geschikt voor de ontvanger.
JP2543567B2 (ja) * 1988-04-07 1996-10-16 株式会社日立製作所 ダイナミックノイズリダクション回路及びこれを用いたテレビジョン受信機
US4891699A (en) * 1989-02-23 1990-01-02 Matsushita Electric Industrial Co., Ltd. Receiving system for band-compression image signal

Also Published As

Publication number Publication date
DE68924465D1 (de) 1995-11-09
KR0144733B1 (ko) 1998-07-15
EP0369892A3 (en) 1992-05-06
EP0369892B1 (en) 1995-10-04
US5032915A (en) 1991-07-16
JPH02137595A (ja) 1990-05-25
EP0369892A2 (en) 1990-05-23
DE68924465T2 (de) 1996-03-14

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