KR880002040A - 광정보 처리 장치 - Google Patents

광정보 처리 장치 Download PDF

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Publication number
KR880002040A
KR880002040A KR1019870006408A KR870006408A KR880002040A KR 880002040 A KR880002040 A KR 880002040A KR 1019870006408 A KR1019870006408 A KR 1019870006408A KR 870006408 A KR870006408 A KR 870006408A KR 880002040 A KR880002040 A KR 880002040A
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KR
South Korea
Prior art keywords
track
optical
detection means
offset
correction mark
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KR1019870006408A
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English (en)
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KR950008945B1 (ko
Inventor
도시미쭈 가구
가즈오 시게마쭈
시시도 즈노다
다게시 마에다
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미다 가쓰시게
가부시기가이샤 히다찌세이사꾸쇼
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Publication of KR880002040A publication Critical patent/KR880002040A/ko
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Publication of KR950008945B1 publication Critical patent/KR950008945B1/ko

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    • 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
    • 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
    • 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
    • G11B11/10517—Overwriting or erasing
    • 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
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the carrier
    • 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
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • 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
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0938—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following servo format, e.g. guide tracks, pilot signals
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

내용 없음

Description

광정보 처리 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명의 광정보 처리장치의 1실시예를 도시한 블럭도,
제 4 도는 본 발명으로 사용하는 샘플 홀드회로 15의 1실시예를 도시한 블럭도,
제 5 도는 레이저 구동회로 9의 1실시예를 도시한 회로도.

Claims (6)

  1. 안내트랙(72)와 간혈적으로 마련된 보정마크(71,73)을 가진 기록매체(7)과 이 기록매체에 광을 집광하는 광학계(6), 상기 광의 강도를 적어도 재생시와 기록시사이에서 변환시키는 변조수단(9)와 이 기록매체(7)에서 반사광을 꺼내어 전기신호를 얻는 검출계(4,10)과 이 전기신호에서 트래킹 신호를 검출하는 트랙 어긋남 검출수단(11), 상기 광이 상기 보정마크를 조사하고 있을 때의 상기 전기신호에서 트랙오프세트를 검출하는 오프세트 검출수단(154), 상기 트랙 어긋남 검출수단과 상기 오프세트 검출수단에 접속되어, 상기 트래킹 신호를 상기 트랙오프세트로서 보정하여 트래킹 제어하는 트래킹제어수단(13,5)와, 기록시에 상기 보정을 부동작으로 함과 동시에, 상기오프세트 검출수단의 출력레벨을 소정치와 비교하여, 그 비교결과에 의해 상기 변조수단(9)를 제어하는 제어수단(16,151,152,153)등을 구비하는 것을 특징으로 하는 광정보처리 장치.
  2. 특허 청구의 범위 제 1 항에 있어서, 상기 보정마크가 경면부로 되는 것을 특징으로하는 광정보처리장치.
  3. 특허 청구의 범위 제 1 항에 있어서, 상기 보정마크가 워블 피트로 되는 것을 특징으로하는 광정보 처리 장치.
  4. 특허 청구의 범위 제 1 항에 있어서, 상기 보정마크가 경면부와 워블 피트로 되는 것을 특징으로 하는 광 정보 처리 장치.
  5. 특허 청구의 범위 제 1 항에 있어서, 상기 제어수단은 상기 오프 세트 검출수단의 출력을 소정치와 비교하는 판정회로(16)과, 상기 오프세트 검출수단의 출력을 재생시와 기록시에, 상기 트래킹 제어수단과 상기 판정회로로 전환하여 공급하는 스위치회로(151,153)로 되는 것을 특징으로 하는 광정보 처리 장치.
  6. 디스크상의 트랙안내홈 중에 보정마크를 배치한 광디스크와 광원, 상기 광원에서 나온 광을 광 디스크에 인도하는 광학계, 상기 광 디스크에서의 반사광을 검출하는 광 검출기, 상기 보정마크에서 트랙오프세트를 검출하는 트랙 오프세트 검출회로와, 상기 트랙 오프세트 검출회로에서의 출력 레벨을 판정하는 판정회로를 가지며, 상기 판정회로의 출력에 의해 상기 광 디스크의 데이타 기록 또는 소거동작을 제어하는 것을 특징으로 하는 광정보 처리 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870006408A 1986-07-09 1987-06-24 광정보 처리장치 KR950008945B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP61-159610 1986-07-09
JP61159610A JP2559372B2 (ja) 1986-07-09 1986-07-09 光ディスク装置及び光情報記録方法
JP159610 1986-07-09

Publications (2)

Publication Number Publication Date
KR880002040A true KR880002040A (ko) 1988-04-28
KR950008945B1 KR950008945B1 (ko) 1995-08-09

Family

ID=15697473

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870006408A KR950008945B1 (ko) 1986-07-09 1987-06-24 광정보 처리장치

Country Status (4)

Country Link
US (1) US4807210A (ko)
JP (1) JP2559372B2 (ko)
KR (1) KR950008945B1 (ko)
DE (1) DE3722568A1 (ko)

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JPH0731813B2 (ja) * 1987-02-27 1995-04-10 株式会社日立製作所 光デイスク
JPS6414772A (en) * 1987-07-08 1989-01-18 Pioneer Electronic Corp Rf signal processing circuit
JP2585281B2 (ja) * 1987-08-19 1997-02-26 株式会社日立製作所 光ディスク装置
JPH01116926A (ja) * 1987-10-29 1989-05-09 Csk Corp 光メモリカードの書込装置
JPH0721879B2 (ja) * 1987-11-07 1995-03-08 株式会社日立製作所 光ディスク用レプリカ基盤，スタンパまたは原盤
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JP2647875B2 (ja) * 1987-12-25 1997-08-27 株式会社日立製作所 光磁気信号記録再生方法
US5285440A (en) * 1988-03-18 1994-02-08 Matsushita Electric Industrial Co., Ltd. Magneto-optic disk
CA1316597C (en) * 1988-07-20 1993-04-20 Takeshi Yamaguchi Magneto-optical memory apparatus and optical memory apparatus
JPH02230515A (ja) * 1989-03-03 1990-09-12 Sony Corp 光学式記録再生装置
JPH02287932A (ja) * 1989-04-28 1990-11-28 Toshiba Corp 光学ヘッド
JP2576643B2 (ja) * 1989-11-14 1997-01-29 三菱電機株式会社 光磁気記録装置
US5253239A (en) * 1989-11-24 1993-10-12 Matsushita Electric Industrial Co., Ltd. Control apparatus for tracking a light beam on a track of an optical recording medium
JPH03171453A (ja) * 1989-11-29 1991-07-24 Sony Corp 光磁気信号再生方法
JP2598166B2 (ja) * 1990-12-19 1997-04-09 シャープ株式会社 光ディスク媒体駆動装置
US5402293A (en) * 1990-12-27 1995-03-28 Sony Electronics Inc. Magneto-optical head having a thin film coil recessed into a magnetic substrate
JP3093364B2 (ja) * 1991-10-14 2000-10-03 パイオニア株式会社 光学式記録媒体及びその再生装置
US5343454A (en) * 1991-11-22 1994-08-30 Matsushita Electric Industrial Co., Ltd. Tracking control apparatus for correcting tracking error signal according to approximate equation of a function of track address
US5265085A (en) * 1992-06-15 1993-11-23 International Business Machines Simultaneous MO and ROM optical disk signal detection
US6078551A (en) * 1993-04-16 2000-06-20 Matsushita Electric Industrial Co., Ltd. Optical information recording or erasing system
JPH06309610A (ja) * 1993-04-28 1994-11-04 Sony Corp 磁気ヘッド
US5682366A (en) * 1993-10-06 1997-10-28 Nikon Corporation Optical disc recording apparatus with efficient data checking
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US5646919A (en) * 1996-01-16 1997-07-08 Eastman Kodak Company Dynamic tracking control in an optical recording system by sensing mark formation
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DE3618720A1 (de) * 1985-06-05 1986-12-11 Hitachi, Ltd., Tokio/Tokyo Verfahren und vorrichtung zur spurnachfuehrung bei bildplatten

Also Published As

Publication number Publication date
DE3722568C2 (ko) 1989-02-09
JP2559372B2 (ja) 1996-12-04
JPS6316421A (ja) 1988-01-23
US4807210A (en) 1989-02-21
KR950008945B1 (ko) 1995-08-09
DE3722568A1 (de) 1988-01-21

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