DE69025309D1 - Einrichtung zur Erzeugung von Taktsignalen für Datenwiedergabe - Google Patents

Einrichtung zur Erzeugung von Taktsignalen für Datenwiedergabe

Info

Publication number
DE69025309D1
DE69025309D1 DE69025309T DE69025309T DE69025309D1 DE 69025309 D1 DE69025309 D1 DE 69025309D1 DE 69025309 T DE69025309 T DE 69025309T DE 69025309 T DE69025309 T DE 69025309T DE 69025309 D1 DE69025309 D1 DE 69025309D1
Authority
DE
Germany
Prior art keywords
clock signals
data reproduction
generating clock
generating
reproduction
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
DE69025309T
Other languages
English (en)
Other versions
DE69025309T2 (de
Inventor
Susumu Senshu
Tetsuji Kawashima
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
Priority claimed from JP33652989A external-priority patent/JP2840685B2/ja
Priority claimed from JP5633190U external-priority patent/JPH0416668U/ja
Priority claimed from JP2184594A external-priority patent/JP3044756B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69025309D1 publication Critical patent/DE69025309D1/de
Publication of DE69025309T2 publication Critical patent/DE69025309T2/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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
    • G11B11/10515—Reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
    • G11B11/1053—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed to compensate for the magnetic domain drift or time shift
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
DE69025309T 1989-12-27 1990-12-27 Einrichtung zur Erzeugung von Taktsignalen für Datenwiedergabe Expired - Fee Related DE69025309T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP33652989A JP2840685B2 (ja) 1989-12-27 1989-12-27 データ再生用クロック信号発生装置及びデータ再生装置
JP5633190U JPH0416668U (de) 1990-05-29 1990-05-29
JP2184594A JP3044756B2 (ja) 1990-07-12 1990-07-12 位相補償方法

Publications (2)

Publication Number Publication Date
DE69025309D1 true DE69025309D1 (de) 1996-03-21
DE69025309T2 DE69025309T2 (de) 1996-06-13

Family

ID=27295888

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69025309T Expired - Fee Related DE69025309T2 (de) 1989-12-27 1990-12-27 Einrichtung zur Erzeugung von Taktsignalen für Datenwiedergabe

Country Status (3)

Country Link
US (1) US5237554A (de)
EP (1) EP0438784B1 (de)
DE (1) DE69025309T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3277517B2 (ja) * 1991-06-17 2002-04-22 ソニー株式会社 ディスク状記録媒体の再生方法
WO1992022898A1 (en) * 1991-06-17 1992-12-23 Sony Corporation Method for recording on disc
JP2807362B2 (ja) * 1991-09-30 1998-10-08 株式会社東芝 情報再生装置
JPH05225638A (ja) * 1992-02-10 1993-09-03 Sony Corp 光磁気ディスク再生装置
JPH05282799A (ja) * 1992-04-01 1993-10-29 Sony Corp 情報記録装置
US5450381A (en) * 1992-07-07 1995-09-12 Sony Corporation Magneto-optical recording utilizing signal phase adjustment
US5521499A (en) * 1992-12-23 1996-05-28 Comstream Corporation Signal controlled phase shifter
JP3355690B2 (ja) * 1993-03-31 2002-12-09 ソニー株式会社 クロック再生装置
JPH06309672A (ja) * 1993-04-26 1994-11-04 Sony Corp 光ディスク記録媒体及び光ディスク装置
JP3240762B2 (ja) * 1993-07-26 2001-12-25 ソニー株式会社 光記録媒体の再生方法及び再生装置
US5654948A (en) * 1993-09-07 1997-08-05 Sony Corporation Disc apparatus for recording/reproducing with zone constant angular velocity
US5400188A (en) * 1993-12-06 1995-03-21 Ford Motor Company Blank detector for cassette tape player
WO1996006433A1 (fr) * 1994-08-25 1996-02-29 Sony Corporation Disque optique et unite de disque optique
JPH08161753A (ja) * 1994-12-07 1996-06-21 Olympus Optical Co Ltd 光学的情報再生装置
US5673269A (en) * 1995-07-13 1997-09-30 Storage Technology Corporation Method and apparatus for detecting valid data peaks
JP2924831B2 (ja) * 1996-11-15 1999-07-26 日本電気株式会社 データ記録再生装置
JP3994555B2 (ja) * 1998-11-18 2007-10-24 ソニー株式会社 データ処理回路およびデータ伝送システム
US6445661B1 (en) * 1999-08-11 2002-09-03 Oak Technology, Inc. Circuit, disk controller and method for calibrating a high precision delay of an input signal
KR100314132B1 (ko) * 1999-10-25 2001-11-15 윤종용 광 디스크 재생 시스템의 스핀들 모터의 속도 제어 장치 및 방법
US7386083B2 (en) * 2002-05-23 2008-06-10 Nec Corporation Phase comparator having a flip-flop circuit and a logic circuit
JP2009187593A (ja) * 2008-02-01 2009-08-20 Hitachi Ltd 高倍速光ディスクドライブ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32945E (en) * 1980-07-17 1989-06-06 Rockwell International Corporation Synchronization system for digital data
JPS6074745A (ja) * 1983-09-30 1985-04-27 Hitachi Ltd タイミング抽出回路
JPH0731877B2 (ja) * 1985-07-03 1995-04-10 株式会社日立製作所 情報記録再生方法及び装置
US4873703A (en) * 1985-09-27 1989-10-10 Hewlett-Packard Company Synchronizing system
EP0219037B1 (de) * 1985-10-08 1993-09-15 Sharp Kabushiki Kaisha Wellenformverarbeitungsschaltung
US4949325A (en) * 1987-03-18 1990-08-14 Hitachi, Ltd. Method and associated apparatus and medium for optical recording and reproducing information
US5073880A (en) * 1987-12-18 1991-12-17 Hitachi, Ltd. Information recording/reproducing method and apparatus
JP2536929B2 (ja) * 1989-07-21 1996-09-25 富士通株式会社 位相整合回路

Also Published As

Publication number Publication date
US5237554A (en) 1993-08-17
DE69025309T2 (de) 1996-06-13
EP0438784A3 (en) 1992-07-15
EP0438784A2 (de) 1991-07-31
EP0438784B1 (de) 1996-02-07

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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