JPS5911543A - 光学式デイスク再生装置 - Google Patents

光学式デイスク再生装置

Info

Publication number
JPS5911543A
JPS5911543A JP57120440A JP12044082A JPS5911543A JP S5911543 A JPS5911543 A JP S5911543A JP 57120440 A JP57120440 A JP 57120440A JP 12044082 A JP12044082 A JP 12044082A JP S5911543 A JPS5911543 A JP S5911543A
Authority
JP
Japan
Prior art keywords
signal
tracking error
level
error signal
circuit
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.)
Granted
Application number
JP57120440A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0330928B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Shinichiro Kuwabara
桑原　紳一郎
Kiyoshi Osato
潔 大里
Mikio Sugiki
美喜雄 杉木
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
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP57120440A priority Critical patent/JPS5911543A/ja
Priority to CA000431828A priority patent/CA1206613A/en
Priority to FR8311461A priority patent/FR2530060B1/fr
Priority to GB08318490A priority patent/GB2124802B/en
Priority to DE19833324738 priority patent/DE3324738A1/de
Priority to KR1019830003127A priority patent/KR910005307B1/ko
Priority to US06/511,912 priority patent/US4593386A/en
Publication of JPS5911543A publication Critical patent/JPS5911543A/ja
Publication of JPH0330928B2 publication Critical patent/JPH0330928B2/ja
Granted legal-status Critical Current

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
    • 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
    • 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)
JP57120440A 1982-07-10 1982-07-10 光学式デイスク再生装置 Granted JPS5911543A (ja)

Priority Applications (7)

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
CA000431828A CA1206613A (en) 1982-07-10 1983-07-05 Optical disc players
FR8311461A FR2530060B1 (fr) 1982-07-10 1983-07-08 Lecture de disque optique
GB08318490A GB2124802B (en) 1982-07-10 1983-07-08 Optical disc players
DE19833324738 DE3324738A1 (de) 1982-07-10 1983-07-08 Optischer plattenspieler mit spurueberwachung
KR1019830003127A KR910005307B1 (ko) 1982-07-10 1983-07-08 광학식 디스크 재생장치
US06/511,912 US4593386A (en) 1982-07-10 1983-07-08 Optical disc player with improved tracking control

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS5911543A true JPS5911543A (ja) 1984-01-21
JPH0330928B2 JPH0330928B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-05-01

Family

ID=14786254

Family Applications (1)

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

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
ES2095965T3 (es) * 1991-02-06 1997-03-01 Blaupunkt Werke Gmbh Procedimiento para la correccion de un angulo erroneo.

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
DE3324738A1 (de) 1984-01-12
DE3324738C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-11-07
FR2530060B1 (fr) 1985-07-12
JPH0330928B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-05-01
GB2124802B (en) 1986-02-26
KR910005307B1 (ko) 1991-07-24
CA1206613A (en) 1986-06-24
KR840005587A (ko) 1984-11-14
GB8318490D0 (en) 1983-08-10
FR2530060A1 (fr) 1984-01-13
GB2124802A (en) 1984-02-22
US4593386A (en) 1986-06-03

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