DE69012945T2 - Optische aufzeichnungs- und/oder -wiedergabegerät. - Google Patents

Optische aufzeichnungs- und/oder -wiedergabegerät.

Info

Publication number
DE69012945T2
DE69012945T2 DE69012945T DE69012945T DE69012945T2 DE 69012945 T2 DE69012945 T2 DE 69012945T2 DE 69012945 T DE69012945 T DE 69012945T DE 69012945 T DE69012945 T DE 69012945T DE 69012945 T2 DE69012945 T2 DE 69012945T2
Authority
DE
Germany
Prior art keywords
optical recording
playback device
playback
recording
optical
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 - Fee Related
Application number
DE69012945T
Other languages
English (en)
Other versions
DE69012945D1 (de
Inventor
Kiyoshi Ohsato
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
Publication of DE69012945D1 publication Critical patent/DE69012945D1/de
Application granted granted Critical
Publication of DE69012945T2 publication Critical patent/DE69012945T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G11B7/0903—Multi-beam tracking systems
    • 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
    • G11B7/094—Methods and circuits for servo offset compensation
DE69012945T 1989-06-01 1990-05-31 Optische aufzeichnungs- und/oder -wiedergabegerät. Expired - Fee Related DE69012945T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1139997A JPH035927A (ja) 1989-06-01 1989-06-01 光学記録および／または再生装置
PCT/JP1990/000707 WO1990015408A1 (en) 1989-06-01 1990-05-31 Optical recording and/or reproducing apparatus

Publications (2)

Publication Number Publication Date
DE69012945D1 DE69012945D1 (de) 1994-11-03
DE69012945T2 true DE69012945T2 (de) 1995-02-02

Family

ID=15258528

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69012945T Expired - Fee Related DE69012945T2 (de) 1989-06-01 1990-05-31 Optische aufzeichnungs- und/oder -wiedergabegerät.

Country Status (6)

Country Link
US (1) US5159589A (de)
EP (1) EP0426879B1 (de)
JP (1) JPH035927A (de)
KR (1) KR920701952A (de)
DE (1) DE69012945T2 (de)
WO (1) WO1990015408A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248989B (en) * 1990-10-15 1995-05-24 Applied Magnetics Corp Focus sensing apparatus and method
US5677903A (en) * 1991-03-25 1997-10-14 U.S. Phillips Corporation Multi-layer information storage system with improved aberration correction
JP2935908B2 (ja) * 1991-01-30 1999-08-16 パイオニア株式会社 光スポット位置検出装置
JPH04313819A (ja) * 1991-01-30 1992-11-05 Pioneer Electron Corp 光スポット位置検出装置
TW221074B (de) * 1991-05-10 1994-02-11 Philips Nv
US5173598A (en) * 1991-05-10 1992-12-22 U.S. Philips Corporation Optical scanning beam position control system which is free of modulation by tracking error
US5293568A (en) * 1991-06-28 1994-03-08 Olympus Optical Co., Ltd. Track-address judging method
US5253238A (en) * 1991-07-17 1993-10-12 Nec Corporation Arrangement for producing precise tracking error signal for optical disk device
KR950010418B1 (ko) * 1991-08-28 1995-09-16 미쯔비시덴끼 가부시끼가이샤 광기록재생장치
JPH05101431A (ja) * 1991-10-07 1993-04-23 Sony Corp 光デイスク再生装置
JPH076384A (ja) * 1993-06-21 1995-01-10 Sharp Corp トラッキング誤差信号のオフセットの補正方法および、これを採用した光記録再生装置
US5519679A (en) * 1994-10-12 1996-05-21 Eastman Kodak Company Apparatus and method for multi-spot sampled tracking in an optical data storage system
JPH0917029A (ja) 1995-06-26 1997-01-17 Pioneer Electron Corp 光ディスクとその読取装置および光ディスク製造方法
TW444201B (en) * 1998-02-16 2001-07-01 Hitachi Ltd Optical head
KR100335408B1 (ko) * 1998-03-03 2002-08-21 삼성전자 주식회사 포커스옵셋조정가능한광픽업장치
DE10062078A1 (de) * 2000-12-13 2002-06-20 Thomson Brandt Gmbh Verfahren zum Erzeugen eines Linsenpositionssignals sowie entsprechendes Gerät zum Lesen und/oder Beschreiben eines optischen Aufzeichnungsträgers
US6744712B2 (en) 2001-01-29 2004-06-01 Hewlett-Packard Development Company, L.P. Optical disc drive with satellite beams for generation of quadrature error signals for radial position detection
CN100437780C (zh) * 2001-06-04 2008-11-26 松下电器产业株式会社 光拾取头及信息记录再现装置
JP3800112B2 (ja) * 2002-03-07 2006-07-26 ヤマハ株式会社 光ディスク記録方法およびその装置
KR100444338B1 (ko) * 2002-04-09 2004-08-16 이상호 가방용 테두리의 제조방법과 이에 의해 제조한 가방용테두리
JP2004281026A (ja) 2002-08-23 2004-10-07 Matsushita Electric Ind Co Ltd 光ピックアップヘッド装置及び光情報装置及び光情報再生方法
JP2005216337A (ja) * 2004-01-27 2005-08-11 Canon Inc 光学的情報記録再生装置
CN1942941A (zh) * 2004-09-09 2007-04-04 松下电器产业株式会社 光信息装置及信息记录/再生装置
CN101794596B (zh) 2005-04-27 2013-08-14 松下电器产业株式会社 光头装置及光信息处理装置
JP4433315B2 (ja) 2006-01-12 2010-03-17 ソニー株式会社 光ピックアップ及び光情報装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2548106B2 (ja) * 1984-05-23 1996-10-30 ソニー株式会社 光学式デイスクプレ−ヤのトラツキング・サ−ボコントロ−ル装置
JPS6194246A (ja) * 1984-10-15 1986-05-13 Sony Corp 光学式ヘッドのトラッキング誤差検出方法
US4750162A (en) * 1985-07-16 1988-06-07 Victor Company Of Japan, Ltd. Optical tracking system utilizing three photo-detectors
JPS63160022A (ja) * 1986-12-23 1988-07-02 Nippon Columbia Co Ltd 光デイスク装置
JP2602019B2 (ja) * 1987-03-12 1997-04-23 富士通株式会社 光デイスク装置

Also Published As

Publication number Publication date
US5159589A (en) 1992-10-27
KR920701952A (ko) 1992-08-12
DE69012945D1 (de) 1994-11-03
JPH035927A (ja) 1991-01-11
EP0426879A1 (de) 1991-05-15
EP0426879A4 (en) 1992-02-26
WO1990015408A1 (en) 1990-12-13
EP0426879B1 (de) 1994-09-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee