KR100239468B1 - 광자기 기록매체로부터 기록 정보를 재생하는 방법 및 장치 - Google Patents

광자기 기록매체로부터 기록 정보를 재생하는 방법 및 장치 Download PDF

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Publication number
KR100239468B1
KR100239468B1 KR1019970060066A KR19970060066A KR100239468B1 KR 100239468 B1 KR100239468 B1 KR 100239468B1 KR 1019970060066 A KR1019970060066 A KR 1019970060066A KR 19970060066 A KR19970060066 A KR 19970060066A KR 100239468 B1 KR100239468 B1 KR 100239468B1
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South Korea
Prior art keywords
signal
reproduction
sample
clock signal
delayed
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Expired - Fee Related
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KR1019970060066A
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English (en)
Korean (ko)
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KR19990039841A (ko
Inventor
김대영
Original Assignee
구자홍
엘지전자주식회사
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Publication date
Application filed by 구자홍, 엘지전자주식회사 filed Critical 구자홍
Priority to KR1019970060066A priority Critical patent/KR100239468B1/ko
Priority to US09/031,672 priority patent/US6014348A/en
Priority to JP10056531A priority patent/JPH11162038A/ja
Publication of KR19990039841A publication Critical patent/KR19990039841A/ko
Application granted granted Critical
Publication of KR100239468B1 publication Critical patent/KR100239468B1/ko
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    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
KR1019970060066A 1997-11-14 1997-11-14 광자기 기록매체로부터 기록 정보를 재생하는 방법 및 장치 Expired - Fee Related KR100239468B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019970060066A KR100239468B1 (ko) 1997-11-14 1997-11-14 광자기 기록매체로부터 기록 정보를 재생하는 방법 및 장치
US09/031,672 US6014348A (en) 1997-11-14 1998-02-27 Method and apparatus of reading written information from magneto-optical writing media
JP10056531A JPH11162038A (ja) 1997-11-14 1998-03-09 光磁気記録媒体から記録情報を読み取る装置及び方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019970060066A KR100239468B1 (ko) 1997-11-14 1997-11-14 광자기 기록매체로부터 기록 정보를 재생하는 방법 및 장치

Publications (2)

Publication Number Publication Date
KR19990039841A KR19990039841A (ko) 1999-06-05
KR100239468B1 true KR100239468B1 (ko) 2000-01-15

Family

ID=19524754

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970060066A Expired - Fee Related KR100239468B1 (ko) 1997-11-14 1997-11-14 광자기 기록매체로부터 기록 정보를 재생하는 방법 및 장치

Country Status (3)

Country Link
US (1) US6014348A (https=)
JP (1) JPH11162038A (https=)
KR (1) KR100239468B1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7643387B2 (en) 2002-05-01 2010-01-05 Lg Electronics Inc. High-density read-only optical disc, and optical disc apparatus and method using the same
US8077572B2 (en) 2002-07-02 2011-12-13 Lg Electronics Inc. Recording medium with restricted playback feature and apparatus and methods for forming, recording, and reproducing the recording medium

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3778399B2 (ja) * 1998-03-16 2006-05-24 富士通株式会社 光学的記憶装置及び光記憶媒体の記録再生方法
US6329782B1 (en) * 1999-09-17 2001-12-11 Delphi Technologies, Inc. Method and apparatus for robust generation of an index pulse for an electric power steering system
WO2001020351A1 (en) 1999-09-17 2001-03-22 Delphi Technologies, Inc. A low cost approach to measuring high resolution rotary position of electric machines
US6486658B2 (en) 2000-02-16 2002-11-26 Delphi Technologies, Inc. Encoder for a permanent magnet sinusoidal brushless motor in an electric power steering system
US6868053B2 (en) * 2000-04-12 2005-03-15 Matsushita Electric Industrial Co., Ltd. Optical information recording apparatus for stable recording
JP3639525B2 (ja) 2000-12-11 2005-04-20 三洋電機株式会社 ディスク装置
US6460649B2 (en) * 2001-02-16 2002-10-08 Delphi Technologies, Inc. Passive starting of a torque-ripple-free electric power steering system
WO2003029503A2 (en) 2001-10-01 2003-04-10 Delphi Technologies, Inc. Method and apparatus for calibrating and initializing an electronically commutated electric machine
KR100938393B1 (ko) * 2002-12-06 2010-01-22 엘지전자 주식회사 고밀도 재생전용 광디스크와, 그에 따른 광디스크 장치 및방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2650249B2 (ja) * 1987-01-12 1997-09-03 ソニー株式会社 光磁気ディスク再生装置
NL8800223A (nl) * 1987-04-21 1988-11-16 Philips Nv Systeem voor het registreren van een informatiesignaal, alsmede een registratiedrager en registratieinrichting voor toepassing in het systeem.
JP2669532B2 (ja) * 1988-05-20 1997-10-29 株式会社日立製作所 光ディスク装置
JPH04325948A (ja) * 1991-04-25 1992-11-16 Seiko Epson Corp 光磁気記録再生方法
JPH05303833A (ja) * 1992-04-24 1993-11-16 Pioneer Electron Corp 記録媒体のデータ記録方法および再生方法
US5450381A (en) * 1992-07-07 1995-09-12 Sony Corporation Magneto-optical recording utilizing signal phase adjustment
JP3046515B2 (ja) * 1994-12-16 2000-05-29 シャープ株式会社 光情報記録再生装置の再生回路
US5629912A (en) * 1995-01-30 1997-05-13 Sony Corporation Focusing servo controlling apparatus
US5802031A (en) * 1997-01-28 1998-09-01 International Business Machines Corporation Programmable PPM/PWM writing system for optical disk

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7643387B2 (en) 2002-05-01 2010-01-05 Lg Electronics Inc. High-density read-only optical disc, and optical disc apparatus and method using the same
US7801006B2 (en) 2002-05-01 2010-09-21 Lg Electronics, Inc. High-density read-only optical disc, and optical disc apparatus and method using the same
US8077572B2 (en) 2002-07-02 2011-12-13 Lg Electronics Inc. Recording medium with restricted playback feature and apparatus and methods for forming, recording, and reproducing the recording medium
US8432779B2 (en) 2002-07-02 2013-04-30 Lg Electronics Inc. Recording medium with restricted playback feature and apparatus and methods for forming, recording, and reproducing the recording medium

Also Published As

Publication number Publication date
JPH11162038A (ja) 1999-06-18
US6014348A (en) 2000-01-11
KR19990039841A (ko) 1999-06-05

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