KR890004277A - 정보기록 재생 방법 및 광디스크 기록 재생장치 - Google Patents

정보기록 재생 방법 및 광디스크 기록 재생장치 Download PDF

Info

Publication number
KR890004277A
KR890004277A KR1019870008782A KR870008782A KR890004277A KR 890004277 A KR890004277 A KR 890004277A KR 1019870008782 A KR1019870008782 A KR 1019870008782A KR 870008782 A KR870008782 A KR 870008782A KR 890004277 A KR890004277 A KR 890004277A
Authority
KR
South Korea
Prior art keywords
recording
signal
pulse
information
reproducing
Prior art date
Application number
KR1019870008782A
Other languages
English (en)
Other versions
KR910001275B1 (ko
Inventor
아쯔시 사이도우
다게시 마에다
히사다가 스기야마
와사오 다가스기
Original Assignee
미다 가쓰시게
가부시기가이샤 히다찌세이사꾸쇼
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 미다 가쓰시게, 가부시기가이샤 히다찌세이사꾸쇼 filed Critical 미다 가쓰시게
Publication of KR890004277A publication Critical patent/KR890004277A/ko
Application granted granted Critical
Publication of KR910001275B1 publication Critical patent/KR910001275B1/ko

Links

Classifications

    • 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
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • 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
    • G11B11/10528—Shaping of magnetic domains, e.g. form, dimensions
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • 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
    • G11B20/10222—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • 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
    • G11B11/10595—Control of operating function

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)

Abstract

내용 없음

Description

정보기록 재생 방법 및 광디스크 기록 재생장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 피트 에지 기록 방식을 설명하기 위한 도면. 제 2 도는 형성된 피트와 빔 이동거리의 관계를 도시한 도면. 제 3 도는 기록 파워와 어긋남양의 관계를 도시한 도면.

Claims (14)

  1. 입력 변조 신호에 의해 레이저 광의 강도를 변조하고, 상기 변조된 레이저광을 기록 매체에 조사해서국부적인 기록영역을 형성하고, 상기 기록 영역의 앞가장자리 및 뒤가장자리를 데이타로서 기록 재생하는 정보기록 재생방법으로서, 기록시에는 상기 입력 변조 신호(32)의 펄스 폭보다도 작은 펄스폭의 기록 펄스로 상기 레이저 광의 강도를 변조하고, 재생시에는 상기 기록 영역의 앞가장자리 및 뒤가장자리에 대응한 신호를 각 각 독립으로 검출하여, 양신호의 시간 간격을 보정하는 것을 특징으로하는 정보 기록 재생방법.
  2. 특허 청구의 범위 제 1 항에 있어서, 동기화 신호, 트랙번지, 섹터번지, 에터 정정 코드를 포함하는 헤더 신호를 사전에 프리 포매트해 놓는 것을 특징으로하는 정보 기록 재생방법.
  3. 특허 청구의 범위 제 1 항에 있어서, 기록시에 상기 기록 펄스의 펄스폭 또는 펄스 높이를 상기 입력 변조 신호의 펄스 간격에 따라서 제어하는 것을 특징으로하는 정보 기록 재생 방법.
  4. 특허 청구의 범위 제 1 항에 있어서, 기록시에 상기 기록 펄스의 펄스폭 또는 펄스 높이를 기록 매체상의 기록 위치에 따라서 제어하는 것을 특징으로하는 정보 기록 재생방법.
  5. 특허 청구의 범위 제 4 항에 있어서, 헤더 영역에 라이트되어 있는 트랙 번호를 사용하여 상기 기록 펄스의 제어를 행하는 것을 특징으로하는 정보 기록 재생방법.
  6. 특허 청구의 범위 제 4 항에 있어서, 기록 및 재생용 광 헤드의 위치를 검출하기 위한 외부 스케일에서의 신호를 사용하여 상기 기록 펄스의 제어를 행하는 것을 특징으로하는 정보 기록 재생방법.
  7. 특허 청구의 범위 제 2 항에 있어서, 상기 헤더 신호는 위상 정보로써 기록하고, 이 헤더 신호이외의 데이타 신호는 가변 정보로써 기록하는 것을 특징으로하는 정보 기록 재생방법.
  8. 특허 청구의 범위 제 2 항에 있어서, 상기 헤더 신호는 상기 입력 변조 신호의 변화점을 중심으로 하는 피트 포지션 기록 방식을 사용해서 형성한 것을 특징으로하는 정보 기록 재생 방법.
  9. 특허 청구의 범위 제 1 항에 있어서, 재생시의 데이타열의 시간축 보정을 행하기 위한 동기화 신호로써, 복조 개시 동기화 신호를 상기 기록 영역의 앞가장자리 및 뒤가장자리로 독립해서 2중으로 마련한 것을 특징으로 하는 정보 기록 재생방법.
  10. 디스크상 기록 매체에 기록해야할 정보에 따라서 레이저 광을 조사하여 국부적인 기록 영역을 형성하고, 상기 기록 매체에서 이 기록 영역에 따른 재생 파형을 얻는 헤드, 입력 변조 신호의 펄스폭보다 작은 펄스폭의 기록 펄스로 상기 레이저 광의 강도를 변조하는 수단, 상기 재생 파형에서 상기 기록 영역의 앞가장자리 및 뒤가장자리에 대응한 신호를 각각 독립으로 검출하는 검출 수단과, 상기 앞가장자리를 표시하는 신호와 뒤가장자리를 표시하는 신호의 시간 간격을 보정하는 보정 수단을 마련하는 것을 특징으로하는 광디스크 기록 재생 장치.
  11. 특허 청구의 범위 제10항에 있어서, 상기 기록 광펄스의 펄스 높이 또는 펄스폭을 상기 디스크상 기록매체의 기록 반경에 따라서, 제어하는 것을 특징으로하는 광 디스크 재생 장치.
  12. 특허 청구의 범위 제 10항에 있어서, 상기 기록 광 펄스의 파워와 펄스폭을 상기 기록해야할 정보의 패턴의 소밀에 의해서 제어하는 것을 특징으로 하는 광 디스크 기록 재생장치.
  13. 특허 청구의 범위 제10항에 있어서, 데이타 신호가, 셀프 클럭 발생수단 및 데이타 복조 개시 위치 발생 수단으로서의 동기화 신호, 잘못 정정용 신호 및 사용자 데이타로 구성되는 것을 특징으로하는 광 디스크 기록 재생장치.
  14. 특허 청구의 범위 제10항에 있어서, 앞가장자리에서의 재생 신호와, 뒤가장자리에서의 재생 신호에서 셀프 클럭을 발생하는 수단을 별개로 독립해서 마련하는 것을 특징으로 하는 광 디스크 기록 재생장치.
    ※ 참고사항 : 최초출원내용에 의하여 공개하는 것임.
KR1019870008782A 1986-08-22 1987-08-11 정보 기록 재생 방법 및 광 디스크 기록 재생 장치 KR910001275B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP?61-195376 1986-08-22
JP195376 1986-08-22
JP61195376A JP2810035B2 (ja) 1986-08-22 1986-08-22 光学的記録再生方法

Publications (2)

Publication Number Publication Date
KR890004277A true KR890004277A (ko) 1989-04-21
KR910001275B1 KR910001275B1 (ko) 1991-02-26

Family

ID=16340136

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870008782A KR910001275B1 (ko) 1986-08-22 1987-08-11 정보 기록 재생 방법 및 광 디스크 기록 재생 장치

Country Status (4)

Country Link
US (2) US4866692A (ko)
JP (1) JP2810035B2 (ko)
KR (1) KR910001275B1 (ko)
DE (1) DE3727681A1 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100677745B1 (ko) * 2004-10-08 2007-02-02 삼성전자주식회사 기록펄스열의 에너지레벨을 이용하여 기록펄스열을최적화할 수 있는 광디스크 기록장치 및 기록펄스열최적화방법
KR100638063B1 (ko) * 1997-04-11 2007-05-04 소니 가부시끼 가이샤 레이저광의파워제어방법,광디스크의데이터기록방법및광디스크기록장치

Families Citing this family (113)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0289004B1 (en) * 1987-04-28 1994-03-23 Sharp Kabushiki Kaisha Recording and reproducing apparatus
GB2224911A (en) * 1988-11-09 1990-05-16 Philips Nv Method of and apparatus for assigning binary values to sample values
JPH075524Y2 (ja) * 1988-11-14 1995-02-08 ローム株式会社 磁気記録回路
US5126994A (en) * 1988-11-29 1992-06-30 Sony Corporation Method and apparatus for controlling and detecting recording laser beam
JP2845915B2 (ja) * 1989-01-06 1999-01-13 株式会社日立製作所 情報再生方法および情報再生装置
JP2708859B2 (ja) * 1989-03-16 1998-02-04 三洋電機株式会社 光ディスク記録装置
JPH0810490B2 (ja) * 1989-03-20 1996-01-31 富士通株式会社 光ディスク情報書込制御方法およびその装置
JPH0316038A (ja) * 1989-06-13 1991-01-24 Teac Corp 情報記録再生装置
US5134606A (en) * 1989-07-07 1992-07-28 Nec Corporation Method and optical recording/reproducing apparatus for optimizing laser beam power
JP2785370B2 (ja) * 1989-08-25 1998-08-13 ソニー株式会社 光記録装置
JP2534778B2 (ja) * 1989-09-26 1996-09-18 株式会社日立製作所 情報記録／再生方式および情報記録／再生装置
JPH03116539A (ja) * 1989-09-29 1991-05-17 Toshiba Corp ディスク装置
JP2657959B2 (ja) * 1989-09-29 1997-09-30 インターナショナル・ビジネス・マシーンズ・コーポレーション 磁気光学的記憶装置における光学的な遷移を検出する検出装置
JPH03116531A (ja) * 1989-09-29 1991-05-17 Toshiba Corp 光ディスク装置
JP2762629B2 (ja) * 1989-11-21 1998-06-04 ソニー株式会社 記録媒体及び該記録媒体の再生装置
JP3134290B2 (ja) * 1989-11-21 2001-02-13 ソニー株式会社 光磁気記録装置
WO1991009400A1 (en) * 1989-12-20 1991-06-27 Sony Corporation Optical recording apparatus
JP3034268B2 (ja) * 1990-02-19 2000-04-17 株式会社日立製作所 ディスク状記録媒体および記録／再生装置
US5493549A (en) * 1990-04-10 1996-02-20 Seiko Epson Corporation Optical recording regeneration apparatus with compensation circuit
US5237550A (en) * 1990-05-24 1993-08-17 Olympus Optical Co., Ltd. Reloadable optical recording/reproducing apparatus
EP0910069A3 (en) * 1990-05-25 2008-04-16 Hitachi, Ltd. Optical disk
JP2852792B2 (ja) * 1990-07-05 1999-02-03 三菱電機株式会社 光ディスク装置
US5235590A (en) * 1991-03-20 1993-08-10 Fujitsu Limited Read out apparatus for reading out information from magneto-optic disk
JP2850966B2 (ja) * 1991-08-02 1999-01-27 シャープ株式会社 光磁気記録装置
JP3327933B2 (ja) * 1991-08-29 2002-09-24 株式会社リコー 情報記録再生方法及びその装置
US7286153B1 (en) * 1991-10-11 2007-10-23 Hitachi, Ltd. Three-dimensional recording and reproducing apparatus
DE69220015T2 (de) * 1991-12-27 1997-09-25 Matsushita Electric Ind Co Ltd Optische Platten Lesegerät
US5347505A (en) * 1992-01-20 1994-09-13 Fujitsu Limited Optical medium recording method and apparatus employing pulse width delay and/or advancement
JP3305344B2 (ja) * 1992-01-21 2002-07-22 パイオニア株式会社 光学式記録媒体を用いた情報記録再生装置
JP2598733B2 (ja) * 1992-03-06 1997-04-09 ローム株式会社 磁気記録用書込み回路および磁気記録装置
JP3134508B2 (ja) * 1992-06-23 2001-02-13 ソニー株式会社 光記録媒体の信号検出方法
JP2618571B2 (ja) * 1992-09-24 1997-06-11 富士通株式会社 光磁気ディスクのデータ再生回路
JP3147255B2 (ja) * 1992-10-13 2001-03-19 ソニー株式会社 データ記録方法、データ記録装置およびデータ記録媒体
US5400313A (en) * 1992-11-09 1995-03-21 International Business Machines Corporation Optical data storage system and method with reduced heat buildup
US5297129A (en) * 1992-12-24 1994-03-22 Optical Disc Corporation Waveform shaping method and apparatus for optical recording
JP2911704B2 (ja) * 1993-02-16 1999-06-23 パイオニア株式会社 ディジタル信号再生装置
USRE40996E1 (en) 1993-03-15 2009-11-24 Panasonic Corporation Optical recording disk capable of resynchronization in digital encoding and decoding
BE1007029A3 (nl) * 1993-04-22 1995-02-21 Koninkl Philips Electronics Nv Werkwijze voor het afleiden van een kwaliteitssignaal uit een uitgelezen signaal, alsmede een optekeninrichting en een uitleesinrichting waarin een dergelijke werkwijze wordt toegepast.
SG144685A1 (en) * 1993-06-08 2008-08-28 Matsushita Electric Ind Co Ltd Optical disk, and information recording/reproduction apparatus
JPH0765513A (ja) * 1993-08-27 1995-03-10 Canon Inc 同期マーク検出装置及び情報再生装置
CN1892840A (zh) * 1993-12-28 2007-01-10 松下电器产业株式会社 一种光盘和从光盘上再生信息的再生装置
US5495466A (en) * 1994-01-10 1996-02-27 Eastman Kodak Company Write verification in an optical recording system by sensing mark formation while writing
JP3763419B2 (ja) * 1994-03-11 2006-04-05 パイオニア株式会社 情報記録装置及び情報記録方法
TW347899U (en) * 1994-08-31 1998-12-11 Sony Corp Optical recording/reproducing device
US5530688A (en) * 1994-10-31 1996-06-25 International Business Machines Corporation Optical disk recording device using two modulated laser beams for recording information data
US5561656A (en) * 1994-11-18 1996-10-01 International Business Machines Corporation Pulse width modulation optical disk drive with pulsed laser preheating between marks
JP3621149B2 (ja) * 1995-03-20 2005-02-16 富士通株式会社 同期パターン読み取り方法、同期パターン検出回路、アドレスマーク検出回路
US5726965A (en) * 1996-02-29 1998-03-10 Eastman Kodak Company Intersymbol interference detection in an optical recording system using a reflected write signal
US5631887A (en) * 1996-04-30 1997-05-20 International Business Machines Corporation Pulse width modulation optical disk drive with adjustable pulsed laser write and preheat patterns
JP3861269B2 (ja) 1996-07-16 2006-12-20 ソニー株式会社 光ディスク装置、光ディスクの記録方法、光ディスク及び光ディスクの製造方法
JP3092523B2 (ja) * 1996-09-17 2000-09-25 株式会社日立製作所 光ディスク記録方法及び装置
JP3545163B2 (ja) * 1997-04-10 2004-07-21 パイオニア株式会社 信号変換装置及びディジタル情報記録装置
US6781937B2 (en) * 1998-01-21 2004-08-24 Yamaha Corporation Optical disk recording method and device
US6925040B1 (en) 1998-08-04 2005-08-02 Hitachi, Ltd. Information recording method, information recording medium and information recording apparatus
TW468177B (en) * 1998-08-04 2001-12-11 Hitachi Ltd Data storage method, data storage medium and data storage recording device
US20030157292A1 (en) * 1999-06-23 2003-08-21 Dataplay, Inc. Miniature optical disk for data storage
US6580683B1 (en) 1999-06-23 2003-06-17 Dataplay, Inc. Optical recording medium having a master data area and a writeable data area
US6990058B1 (en) 2000-04-03 2006-01-24 Dphi Acquisitions, Inc. Structure and method for storing data on optical disks
JP3954280B2 (ja) 2000-05-23 2007-08-08 株式会社東芝 光ディスクと再生方法と再生装置
US7051054B1 (en) 2000-05-30 2006-05-23 Dphi Acquisitions, Inc. Method and apparatus for emulating read/write file system on a write-once storage disk
US6738333B1 (en) 2000-05-30 2004-05-18 Dphi Acquisitions, Inc. Format for recording data in a storage disk
EP1436700A2 (en) * 2000-05-30 2004-07-14 DPHI Aquisitions, Inc. Defect management system for write-once storage disk
US6961095B2 (en) * 2000-08-04 2005-11-01 Silicon Image, Inc. Digital display jitter correction apparatus and method
US6809995B2 (en) 2001-01-25 2004-10-26 Dphi Acquisitions, Inc. Digital focus and tracking servo system
US6738320B2 (en) 2001-01-25 2004-05-18 Dphi Acquisitions, Inc. System and method for moving optical pick up from current position to target position with smooth control
US6970410B2 (en) * 2001-01-25 2005-11-29 Dphi Acquisitions, Inc. Focus detection in a digital focus servo system
US7020054B2 (en) * 2001-01-25 2006-03-28 Dphi Acquisitions, Inc. Digital servo system with biased feed-forward
US6970403B2 (en) * 2001-01-25 2005-11-29 Dphi Acquisition, Inc. Calibration of tracking error signal offset in a tracking servo system
US7092322B2 (en) * 2001-01-25 2006-08-15 Dphi Acquisitions, Inc. Calibration of focus error signal offset in a focus servo system
US7023776B2 (en) * 2001-01-25 2006-04-04 Dphi Acquisitions, Inc. Calibration initiation methods for a tracking and focus servo system
US7260031B2 (en) 2001-01-25 2007-08-21 Dphi Acquisitions, Inc. Digital focus and tracking servo system with one-track jump
US6781929B2 (en) 2001-01-25 2004-08-24 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek
US7023766B2 (en) 2001-01-25 2006-04-04 Dphi Acquisitions, Inc. Flexible servicing of servo algorithms using a digital signal processor
US6950380B2 (en) * 2001-01-25 2005-09-27 Dphi Acquisitions, Inc. Detector input dark current offset calibration in an optical disk drive digital servo
US6930963B2 (en) 2001-01-25 2005-08-16 Dphi Acquistions, Inc. Tracking and focus servo system with head load
US6882603B2 (en) * 2001-01-25 2005-04-19 Dphi Acquisitions, Inc. Digital tracking servo system with tracking skate detection
US7095683B2 (en) * 2001-01-25 2006-08-22 Dphi Acquisitions, Inc. Tracking and focus digital servo system with write abort
US6882601B2 (en) 2001-01-25 2005-04-19 Dphi Acquisitions, Inc. Digital servo system with feed-forward control loops
US6891781B2 (en) * 2001-01-25 2005-05-10 Dphi Acquisitions, Inc. Digital servo system with second order compensator
US6956797B2 (en) * 2001-01-25 2005-10-18 Dphi Acquisitions, Inc. Digital servo system with error signal integrity testing
US7492675B2 (en) * 2001-01-25 2009-02-17 Dphi Acquisitions, Inc. Digital servo system with calibrated notch filters
US6904007B2 (en) * 2001-01-25 2005-06-07 Dphi Acquisitions, Inc. Digital servo system with loop gain calibration
US7016280B2 (en) * 2001-01-25 2006-03-21 Dphi Acquisitions, Inc. Tracking and focus servo system with defect detection
US6965547B2 (en) * 2001-01-25 2005-11-15 Dphi Acquisitions, Inc. Tracking and focus servo system with error signal inverse non-linearity calibration
US6813228B2 (en) 2001-01-25 2004-11-02 Dphi Acquisitions, Inc. Tracking and focus servo system with direction sensor
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
US7414940B2 (en) 2001-01-25 2008-08-19 Dphi Acquisitions, Inc. Calibration of a focus error signal gain in a focus servo system
US6909676B2 (en) 2001-01-25 2005-06-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with track zero crossing detection
US6728182B2 (en) 2001-01-25 2004-04-27 Dphi Acquisitions, Inc. Tracking and focus servo system with a media type boundary crossing detector
US6813226B2 (en) 2001-01-25 2004-11-02 Dphi Acquisitions, Inc. Calibration of a focus sum threshold in a focus servo system
US6847596B2 (en) 2001-01-25 2005-01-25 Dphi Acquisitions, Inc. Tracking servo system including a multi-track seek algorithm with a track zero crossing period integrity test
US6906985B2 (en) 2001-01-25 2005-06-14 Dphi Acquisitions, Inc. Calibration of tracking error signal gain in a tracking servo system
US7672199B2 (en) 2001-01-25 2010-03-02 Dphi Acquisitions, Inc. Close focus algorithm in a digital focus servo system
US6937543B2 (en) 2001-01-25 2005-08-30 Dphi Acquisitions, Inc. Digital focus servo system with a sliding notch filter
US7196979B2 (en) 2001-01-25 2007-03-27 Dphi Acquisitions, Inc. Calibration storage methods for a digital focus and tracking servo system with calibration
US7782721B2 (en) 2001-01-25 2010-08-24 Dphi Acquisitions, Inc. Digital focus and tracking servo system with multi-zone calibration
US6762980B2 (en) 2001-01-25 2004-07-13 Dphi Acquisitions, Inc. Digital tracking servo system with a multi-track seeking and accelerated servo function for regaining a closed tracking loop
US7593300B2 (en) 2001-01-25 2009-09-22 Dphi Acquisitions, Inc. Digital tracking servo system with off-format detection
US6958957B2 (en) * 2001-01-25 2005-10-25 Dphi Acquisitions, Inc. Digital tracking and focus servo system with TES to FES crosstalk calibration
US6885619B2 (en) * 2001-01-25 2005-04-26 Dphi Acquisitions, Inc. Detector input stray light offset calibration in an optical disk drive
US6898164B2 (en) 2001-01-25 2005-05-24 Dphi Acquisitions, Inc. Close tracking algorithm in a digital tracking servo system
US6847597B2 (en) 2001-01-25 2005-01-25 Dphi Acquisitions, Inc. Optical disk drive with a digital focus and tracking servo system
US6922380B2 (en) 2001-01-25 2005-07-26 Dphi Acquisitions, Inc. Tracking and focus servo system with anti-skate algorithm
US6704261B2 (en) 2001-01-25 2004-03-09 Dphi Acquisitions, Inc. Spin motor control in an optical drive
US6891789B2 (en) * 2001-01-25 2005-05-10 Dphi Acquisitions, Inc. Tracking and focus servo system with automatic media type detector
US7680004B2 (en) * 2001-01-25 2010-03-16 Dphi Acquisitions, Inc. Digital servo system with inverse non-linearity compensation
JP3837742B2 (ja) * 2003-02-21 2006-10-25 ソニー株式会社 復号装置および復号方法、記録再生装置、プログラム格納媒体、並びに、プログラム
EP1697935A2 (en) * 2003-12-19 2006-09-06 Koninklijke Philips Electronics N.V. Record carriers and method for the production of record carriers
WO2006122209A2 (en) * 2005-05-10 2006-11-16 The Trustees Of The University Of Pennsylvania Frequency-modulated coding and data recording and storage using plasmonic nanostructures
US20070008850A1 (en) * 2005-07-06 2007-01-11 Yukihisa Nakajo Apparatus and method of optically recording data
JP4484785B2 (ja) * 2005-08-09 2010-06-16 ソニー株式会社 記録方法
JP2011118996A (ja) * 2009-12-04 2011-06-16 Hitachi-Lg Data Storage Inc 光学式記録媒体の記録装置、及び光学式記録媒体の記録方法
JP7127512B2 (ja) * 2018-11-28 2022-08-30 株式会社Ｊｖｃケンウッド 光ディスク装置及び光ディスク回転位置検出方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5369006A (en) * 1976-11-30 1978-06-20 Sony Corp Reproducer of disc form signal recording media
JPS57198546A (en) * 1981-05-29 1982-12-06 Fuji Xerox Co Ltd Optical information recording and reproducing method
US4488277A (en) * 1982-02-10 1984-12-11 North American Philips Corporation Control system for an optical data recording apparatus
JPS58158039A (ja) * 1982-03-15 1983-09-20 Toshiba Corp 光ディスクの記録再生装置
JPS58158041A (ja) * 1982-03-15 1983-09-20 Sanyo Electric Co Ltd 光学的情報記録方法
US4562567A (en) * 1982-11-12 1985-12-31 North American Philips Corporation Apparatus for controlling the write beam in an optical data recording system
JPS5990449A (ja) * 1982-11-16 1984-05-24 Toshiba Corp 復調方式
US4549288A (en) * 1982-12-20 1985-10-22 North American Philips Corporation Apparatus for enhancing the playback signal in an optical data recording system
JPS60127535A (ja) * 1983-12-14 1985-07-08 Matsushita Electric Ind Co Ltd 光学的記録再生装置
JPS60243824A (ja) * 1984-05-17 1985-12-03 Fujitsu Ltd 光デイスクの信号記録方法
US4646103A (en) * 1985-03-20 1987-02-24 Hitachi, Ltd. Optical recording method
JP2581663B2 (ja) * 1985-05-02 1997-02-12 株式会社日立製作所 光ディスク
US4734900A (en) * 1986-04-25 1988-03-29 International Business Machines Corporation Restoring and clocking pulse width modulated data

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100638063B1 (ko) * 1997-04-11 2007-05-04 소니 가부시끼 가이샤 레이저광의파워제어방법,광디스크의데이터기록방법및광디스크기록장치
KR100677745B1 (ko) * 2004-10-08 2007-02-02 삼성전자주식회사 기록펄스열의 에너지레벨을 이용하여 기록펄스열을최적화할 수 있는 광디스크 기록장치 및 기록펄스열최적화방법

Also Published As

Publication number Publication date
JPS6353722A (ja) 1988-03-08
KR910001275B1 (ko) 1991-02-26
JP2810035B2 (ja) 1998-10-15
US4866692A (en) 1989-09-12
DE3727681C2 (ko) 1991-07-18
DE3727681A1 (de) 1988-03-17
USRE35435E (en) 1997-01-28

Similar Documents

Publication Publication Date Title
KR890004277A (ko) 정보기록 재생 방법 및 광디스크 기록 재생장치
KR100345817B1 (ko) 정보 재생 장치와 정보 기록 장치 및 기준 마크 검출 회로
JP2845915B2 (ja) 情報再生方法および情報再生装置
KR880013157A (ko) 정보신호기록 시스템
KR880005578A (ko) 광학적 기록 재생방법 및 장치
CA2340352A1 (en) Optical data recording method, and data recording medium
ES8201338A1 (es) Un aparato para inscribir informacion en un medio de registro legible opticamente en forma de disco.
KR950001635A (ko) 정보기록매체 및 그 재생장치
DE69016133D1 (de) Optisches Aufzeichnungsmedium, Verfahren dazu und Gerät zum Aufzeichnen und Wiedergeben von darin enthaltenen Daten.
US5079757A (en) Servo circuit for an optical disk information recording and reproducing apparatus with improved stability for tracking and focusing control
KR950027677A (ko) 기록매체와 신호 기록 장치 및 신호 재생 장치
JPS57198546A (en) Optical information recording and reproducing method
US4558441A (en) Data recording and reproducing apparatus and method
KR960002296A (ko) 디지털 데이터 기록 방법, 디지털 데이터 기록 장치, 디지털 데이터 기록 재생 장치
US6125084A (en) Optical disk device using a recording medium structurally arranged to generate a recording clock
JP2000149344A (ja) 情報記録方法、情報記録再生方法、情報再生方法、情報記録装置、情報記録再生装置及び情報再生装置
US6836458B2 (en) Recording apparatus for optical recording media
JP3036240B2 (ja) 情報の記録再生制御方法
JP3503764B2 (ja) 光磁気記録方法及び光磁気記録装置
JPH0812744B2 (ja) 光情報記録再生装置
KR200161950Y1 (ko) 고밀도 기록을 위한 기록보상장치
JPH0475592B2 (ko)
JP2830228B2 (ja) トラッキング方法
JPH0636283B2 (ja) 光学的記録再生装置および方法
SU705503A1 (ru) Способ многодорожечной магнитной записи и воспроизведени информации

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20070215

Year of fee payment: 17

EXPY Expiration of term