KR910005307B1 - 광학식 디스크 재생장치 - Google Patents

광학식 디스크 재생장치 Download PDF

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Publication number
KR910005307B1
KR910005307B1 KR1019830003127A KR830003127A KR910005307B1 KR 910005307 B1 KR910005307 B1 KR 910005307B1 KR 1019830003127 A KR1019830003127 A KR 1019830003127A KR 830003127 A KR830003127 A KR 830003127A KR 910005307 B1 KR910005307 B1 KR 910005307B1
Authority
KR
South Korea
Prior art keywords
signal
circuit
tracking error
output
pit
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
Application number
KR1019830003127A
Other languages
English (en)
Korean (ko)
Other versions
KR840005587A (ko
Inventor
신이찌로 다와하라
사또 기요시 오오
미끼오 스기끼
Original Assignee
소니 가부시끼가이샤
오오가 노리오
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 소니 가부시끼가이샤, 오오가 노리오 filed Critical 소니 가부시끼가이샤
Publication of KR840005587A publication Critical patent/KR840005587A/ko
Application granted granted Critical
Publication of KR910005307B1 publication Critical patent/KR910005307B1/ko
Expired legal-status Critical Current

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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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • 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
    • G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
    • 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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc

Landscapes

  • Optical Recording Or Reproduction (AREA)
KR1019830003127A 1982-07-10 1983-07-08 광학식 디스크 재생장치 Expired KR910005307B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP57120440A JPS5911543A (ja) 1982-07-10 1982-07-10 光学式デイスク再生装置
JP120440 1982-07-10
JP82-120440 1982-07-10

Publications (2)

Publication Number Publication Date
KR840005587A KR840005587A (ko) 1984-11-14
KR910005307B1 true KR910005307B1 (ko) 1991-07-24

Family

ID=14786254

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830003127A Expired KR910005307B1 (ko) 1982-07-10 1983-07-08 광학식 디스크 재생장치

Country Status (7)

Country Link
US (1) US4593386A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5911543A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR910005307B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1206613A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3324738A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2530060B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2124802B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58208944A (ja) * 1982-05-31 1983-12-05 Sony Corp 光学ヘツド制御信号発生装置
JPS59191144A (ja) * 1983-04-14 1984-10-30 Sony Corp 光ピツクアツプのトラツキングサ−ボ回路
DE3618720A1 (de) * 1985-06-05 1986-12-11 Hitachi, Ltd., Tokio/Tokyo Verfahren und vorrichtung zur spurnachfuehrung bei bildplatten
JPS62180568A (ja) * 1986-02-04 1987-08-07 Sony Corp デイスク状記録媒体の欠陥検出装置
JP2796285B2 (ja) * 1986-07-11 1998-09-10 株式会社日立製作所 トラッキング方法及びそれを用いた光ディスク装置
JPH07118166B2 (ja) * 1987-05-21 1995-12-18 パイオニア株式会社 トラッキング回路
JPS6446237A (en) * 1987-08-12 1989-02-20 Canon Kk Optical information recording and reproducing device
JPH0760526B2 (ja) * 1989-04-10 1995-06-28 富士通株式会社 光記憶装置のビーム移動速度測定方法とその装置
US5038333A (en) * 1989-05-05 1991-08-06 International Business Machines Corporation Positioning systems including reliable track crossing detection for high speed relative motions
EP0498246B1 (de) * 1991-02-06 1997-01-02 Blaupunkt-Werke GmbH Verfahren zur Korrektur eines Fehlwinkels

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5774837A (en) * 1980-10-25 1982-05-11 Olympus Optical Co Ltd Signal detection system of optical information reproducing device
JPS5814332A (ja) * 1981-07-16 1983-01-27 Mitsubishi Electric Corp 光学式情報再生装置

Also Published As

Publication number Publication date
GB8318490D0 (en) 1983-08-10
FR2530060A1 (fr) 1984-01-13
GB2124802B (en) 1986-02-26
FR2530060B1 (fr) 1985-07-12
JPH0330928B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-05-01
US4593386A (en) 1986-06-03
JPS5911543A (ja) 1984-01-21
DE3324738C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-11-07
KR840005587A (ko) 1984-11-14
CA1206613A (en) 1986-06-24
DE3324738A1 (de) 1984-01-12
GB2124802A (en) 1984-02-22

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