DE69122338D1 - Synchronsignal-Detektorschaltung und dieselbe enthaltender Synchronsignal-Detektorapparat - Google Patents

Synchronsignal-Detektorschaltung und dieselbe enthaltender Synchronsignal-Detektorapparat

Info

Publication number
DE69122338D1
DE69122338D1 DE69122338T DE69122338T DE69122338D1 DE 69122338 D1 DE69122338 D1 DE 69122338D1 DE 69122338 T DE69122338 T DE 69122338T DE 69122338 T DE69122338 T DE 69122338T DE 69122338 D1 DE69122338 D1 DE 69122338D1
Authority
DE
Germany
Prior art keywords
signal detector
synchronous signal
same
apparatus containing
detector circuit
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 - Fee Related
Application number
DE69122338T
Other languages
English (en)
Other versions
DE69122338T2 (de
Inventor
Seiichiro Satomura
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.)
Canon Inc
Original Assignee
Canon Inc
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 JP20522790A external-priority patent/JP3210323B2/ja
Priority claimed from JP2254801A external-priority patent/JPH04132431A/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69122338D1 publication Critical patent/DE69122338D1/de
Publication of DE69122338T2 publication Critical patent/DE69122338T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042—Detectors therefor, e.g. correlators, state machines
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B2020/1476—Synchronisation patterns; Coping with defects thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
DE69122338T 1990-08-03 1991-07-31 Synchronsignal-Detektorschaltung und dieselbe enthaltender Synchronsignal-Detektorapparat Expired - Fee Related DE69122338T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20522790A JP3210323B2 (ja) 1990-08-03 1990-08-03 Ｒｅｓｙｎｃ検出回路
JP2254801A JPH04132431A (ja) 1990-09-25 1990-09-25 Ｒｅｓｙｎｃ検出回路

Publications (2)

Publication Number Publication Date
DE69122338D1 true DE69122338D1 (de) 1996-10-31
DE69122338T2 DE69122338T2 (de) 1997-02-13

Family

ID=26514933

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69122338T Expired - Fee Related DE69122338T2 (de) 1990-08-03 1991-07-31 Synchronsignal-Detektorschaltung und dieselbe enthaltender Synchronsignal-Detektorapparat

Country Status (3)

Country Link
US (1) US5446715A (de)
EP (1) EP0473293B1 (de)
DE (1) DE69122338T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950002722B1 (ko) * 1992-09-16 1995-03-24 주식회사금성사 직렬-병렬 데이타 변환장치
US6421145B1 (en) * 1992-09-28 2002-07-16 Canon Kabushiki Kaisha Image processing apparatus and method using image information and additional information or an additional pattern added thereto or superposed thereon
EP0617423B1 (de) * 1993-03-26 1999-06-16 Sony Corporation Vorrichtung zum Erzeugen eines Synchronisierungssignals
JP2606090B2 (ja) * 1993-07-14 1997-04-30 日本電気株式会社 光学的情報制御装置
JP3371158B2 (ja) * 1993-07-23 2003-01-27 ソニー株式会社 放送受信装置
JP2793503B2 (ja) * 1994-04-26 1998-09-03 日本電気アイシーマイコンシステム株式会社 ディスクコントローラ
KR960015526A (ko) * 1994-10-19 1996-05-22 이헌조 디지탈 브이씨알(dvcr)의 동기신호검출장치
KR0147110B1 (ko) * 1995-02-23 1998-10-15 구자홍 디브이씨알의 동기신호검출장치
KR0148181B1 (ko) * 1995-03-31 1998-10-15 김광호 디지탈 기록재생시스템의 가변적 동기패턴검출장치 및 방법
US5844622A (en) * 1995-12-12 1998-12-01 Trw Inc. Digital video horizontal synchronization pulse detector and processor
JP3441589B2 (ja) * 1996-02-29 2003-09-02 シャープ株式会社 同期検出復調回路
KR100206330B1 (ko) * 1996-08-09 1999-07-01 윤종용 디지털비디오디스크 재생시스템의 동기데이터 복원장치 및 방법
US5844920A (en) * 1996-11-07 1998-12-01 Cirrus Logic, Inc. Thermal asperity compensation using multiple sync marks for retroactive and split segment data synchronization in a magnetic disk storage system
US6256110B1 (en) 1997-06-11 2001-07-03 Canon Kabushiki Kaisha Image processing apparatus and method and storage medium
US6538768B2 (en) 1997-06-18 2003-03-25 Canon Kabushiki Kaisha Image processing apparatus and method thereof and storing medium
KR100287141B1 (ko) * 1997-11-21 2001-04-16 윤종용 비정상동기신호제거방법
JPH11273249A (ja) * 1998-03-20 1999-10-08 Pioneer Electron Corp 記録タイミング設定方法及び記録タイミング設定装置並びに情報記録方法及び情報記録装置
US6536011B1 (en) * 1998-10-22 2003-03-18 Oak Technology, Inc. Enabling accurate demodulation of a DVD bit stream using devices including a SYNC window generator controlled by a read channel bit counter
JP3868662B2 (ja) * 1999-04-09 2007-01-17 ローム株式会社 光ディスク再生装置
US6557113B1 (en) 1999-10-26 2003-04-29 Iomega Corporation Synchronization recovery technique for storage media
US6693867B1 (en) * 2000-06-15 2004-02-17 Mosel Vitelic Corporation Method and system for window realignment using pipeline and sync correction to correct data frame boundaries
JP2005166118A (ja) * 2003-11-28 2005-06-23 Toshiba Corp 同期化方法及び同期化装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5760514A (en) * 1980-09-26 1982-04-12 Hitachi Ltd Synchronizing signal protection circuit
GB2109593B (en) * 1981-09-30 1985-09-04 Hitachi Ltd Playback speed control system
CA1212729A (en) * 1981-12-08 1986-10-14 Hiroshi Ogawa Digital signal detecting and compensating circuit with adjustable window signal
WO1985002707A1 (en) * 1983-12-16 1985-06-20 Sony Corporation Disk reproducing apparatus
WO1985005001A1 (en) * 1984-04-24 1985-11-07 Matsushita Electric Industrial Co., Ltd. Device for correcting time axis
EP0169930B1 (de) * 1984-08-03 1987-06-10 Deutsche ITT Industries GmbH Videorecorder mit magnetischem bandförmigem Speichermedium
JPS61281688A (ja) * 1985-06-06 1986-12-12 Victor Co Of Japan Ltd 磁気記録再生装置の疑似垂直同期信号生成方法及び疑似垂直同期信号生成回路
JPS6260174A (ja) * 1985-09-10 1987-03-16 Mitsubishi Electric Corp デ−タ記録方法
US4908812A (en) * 1985-09-13 1990-03-13 Yamaha Corporation Synchronizing signal reproducing circuit in a disc playback device
US4974082A (en) * 1985-09-21 1990-11-27 Robert Bosch Gmbh Digital pulse generator of phase and frequency periodically controlled precisely by external signals
DE3689439T2 (de) * 1985-10-07 1994-07-14 Yamaha Corp Synchronisationsschaltung für eine Videoplattenwiedergabevorrichtung.
US4695901A (en) * 1986-03-04 1987-09-22 Macrovision Method and apparatus for removing pseudo-sync and/or agc pulses from a video signal
EP0242093A1 (de) * 1986-04-11 1987-10-21 Hewlett-Packard Company Resynchronisation serieller Datenblocks
JPS62259263A (ja) * 1986-05-06 1987-11-11 Pioneer Electronic Corp スピンドルサ−ボ引込み方法及びその装置
JPH01144738A (ja) * 1987-11-30 1989-06-07 Nec Home Electron Ltd ウインドウ法同期保護回路
JPH01264385A (ja) * 1988-04-15 1989-10-20 Hitachi Ltd 映像信号記録再生装置
US4879731A (en) * 1988-08-24 1989-11-07 Ampex Corporation Apparatus and method for sync detection in digital data
US5062005A (en) * 1989-02-01 1991-10-29 Matsushita Electric Industrial Co., Ltd. Videodisc reproducing apparatus

Also Published As

Publication number Publication date
DE69122338T2 (de) 1997-02-13
US5446715A (en) 1995-08-29
EP0473293A1 (de) 1992-03-04
EP0473293B1 (de) 1996-09-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee