FR2616286B1 - Procede et circuit de detection de perte d'un signal video - Google Patents

Procede et circuit de detection de perte d'un signal video

Info

Publication number
FR2616286B1
FR2616286B1 FR888807647A FR8807647A FR2616286B1 FR 2616286 B1 FR2616286 B1 FR 2616286B1 FR 888807647 A FR888807647 A FR 888807647A FR 8807647 A FR8807647 A FR 8807647A FR 2616286 B1 FR2616286 B1 FR 2616286B1
Authority
FR
France
Prior art keywords
circuit
video signal
detecting loss
loss
detecting
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 - Lifetime
Application number
FR888807647A
Other languages
English (en)
Other versions
FR2616286A1 (fr
Inventor
Hideto Suzuki
Teruyuki Yoshida
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of FR2616286A1 publication Critical patent/FR2616286A1/fr
Application granted granted Critical
Publication of FR2616286B1 publication Critical patent/FR2616286B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/93Regeneration of the television signal or of selected parts thereof
    • H04N5/94Signal drop-out compensation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
FR888807647A 1987-06-08 1988-06-08 Procede et circuit de detection de perte d'un signal video Expired - Lifetime FR2616286B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62142446A JPS63305686A (ja) 1987-06-08 1987-06-08 ドロップアウト検出回路

Publications (2)

Publication Number Publication Date
FR2616286A1 FR2616286A1 (fr) 1988-12-09
FR2616286B1 true FR2616286B1 (fr) 1992-08-14

Family

ID=15315501

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888807647A Expired - Lifetime FR2616286B1 (fr) 1987-06-08 1988-06-08 Procede et circuit de detection de perte d'un signal video

Country Status (6)

Country Link
US (1) US5050002A (fr)
JP (1) JPS63305686A (fr)
KR (1) KR0136880B1 (fr)
DE (1) DE3819518A1 (fr)
FR (1) FR2616286B1 (fr)
GB (1) GB2205714B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5239422A (en) * 1989-04-28 1993-08-24 Pioneer Electronic Corporation Rotary head type digital magnetic recording-reproducing apparatus
JP2746732B2 (ja) * 1990-06-01 1998-05-06 パイオニア株式会社 複数ディスクプレーヤ並列運転画像再生装置
US5430551A (en) * 1990-11-07 1995-07-04 Nokia Unterhaltungselektronik Gmbh Video recorder with distortion corrector circuit
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
JPH04247381A (ja) * 1991-01-31 1992-09-03 Sony Corp データ再生装置
JPH04369986A (ja) * 1991-06-19 1992-12-22 Canon Inc 情報信号処理装置
JP2852165B2 (ja) * 1991-11-12 1999-01-27 三星電子株式会社 ディジタル磁気記録再生装置のピックアップ信号補正装置
JP3101374B2 (ja) * 1991-11-22 2000-10-23 キヤノン株式会社 映像信号記録装置
KR0165251B1 (ko) * 1992-10-22 1999-03-20 윤종용 주파수 드롭아우트 검출회로 및 방법
JPH06150216A (ja) * 1992-11-02 1994-05-31 Sony Corp ディジタル信号再生方法とその装置
US5835666A (en) * 1994-09-22 1998-11-10 Canon Kabushiki Kaisha Reproducing apparatus including equalizing means which equalizes a reproduced signal when the signal is between a first and second level and varies the response speed

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3865981A (en) * 1973-07-16 1975-02-11 Odetics Inc Clock signal assurance in digital data communication systems
NL7310869A (nl) * 1973-08-07 1975-02-11 Philips Nv Inrichting voor het weergeven van een op een registratiedrager opgetekend videosignaal.
FR2299697A1 (fr) * 1974-07-23 1976-08-27 Thomson Brandt Procédé de détection d'altération de signaux de lecture, et appareil mettant oeuvre un tel procédé
DE2643245C2 (de) * 1976-09-25 1984-05-03 Ted Bildplatten Ag Aeg-Telefunken-Teldec, 6301 Zug Dropouterkennungsschaltung für einen frequenzmodulierten Träger, insbesondere für ein Videoaufzeichnungsgerät
US4119812A (en) * 1977-04-20 1978-10-10 Rca Corporation Signal defect detection and compensation with signal de-emphasis
JPS5727637A (en) * 1980-07-25 1982-02-15 Toyoda Mach Works Ltd Automatic tool-exchanging apparatus
JPS57140088A (en) * 1981-02-23 1982-08-30 Hitachi Ltd Dropout compensating circuit in magnetic recording and reproducing device
US4510530A (en) * 1981-06-26 1985-04-09 Hitachi, Ltd. Signal reproducing circuit for a video tape recorder
NL8105095A (nl) * 1981-11-11 1983-06-01 Philips Nv Schakeling voor het omzetten van een informatiesignaal in een rechthoekvormig signaal.
JPS58189842A (ja) * 1982-04-30 1983-11-05 Toshiba Corp 光学式デジタルデイスクプレ−ヤ装置
JPS6087469A (ja) * 1983-10-19 1985-05-17 Hitachi Ltd ドロップアウト補償装置
JPH0634296B2 (ja) * 1985-05-27 1994-05-02 キヤノン株式会社 ドロツプアウト検出装置

Also Published As

Publication number Publication date
GB8813450D0 (en) 1988-07-13
DE3819518A1 (de) 1988-12-22
GB2205714B (en) 1991-05-29
KR0136880B1 (ko) 1998-04-28
US5050002A (en) 1991-09-17
FR2616286A1 (fr) 1988-12-09
KR890001063A (ko) 1989-03-18
GB2205714A (en) 1988-12-14
JPS63305686A (ja) 1988-12-13

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Legal Events

Date Code Title Description
ST Notification of lapse