DE68911722D1 - Gerät zur optischen Aufnahme und Wiedergabe von Information. - Google Patents

Gerät zur optischen Aufnahme und Wiedergabe von Information.

Info

Publication number
DE68911722D1
DE68911722D1 DE89105784T DE68911722T DE68911722D1 DE 68911722 D1 DE68911722 D1 DE 68911722D1 DE 89105784 T DE89105784 T DE 89105784T DE 68911722 T DE68911722 T DE 68911722T DE 68911722 D1 DE68911722 D1 DE 68911722D1
Authority
DE
Germany
Prior art keywords
reproduction
information
optical recording
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
DE89105784T
Other languages
English (en)
Other versions
DE68911722T2 (de
Inventor
Kazuo Noda
Koichi Yamazaki
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.)
Nippon Conlux Co Ltd
Original Assignee
Nippon Conlux Co Ltd
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 Nippon Conlux Co Ltd filed Critical Nippon Conlux Co Ltd
Application granted granted Critical
Publication of DE68911722D1 publication Critical patent/DE68911722D1/de
Publication of DE68911722T2 publication Critical patent/DE68911722T2/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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0033—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cards or other card-like flat carriers, e.g. flat sheets of optical film
    • 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
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13—Optical detectors therefor
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • 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
    • G11B7/0901—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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE89105784T 1988-04-04 1989-04-02 Gerät zur optischen Aufnahme und Wiedergabe von Information. Expired - Fee Related DE68911722T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63082626A JP2583273B2 (ja) 1988-04-04 1988-04-04 光学的情報記録再生方法および装置

Publications (2)

Publication Number Publication Date
DE68911722D1 true DE68911722D1 (de) 1994-02-10
DE68911722T2 DE68911722T2 (de) 1994-04-28

Family

ID=13779658

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89105784T Expired - Fee Related DE68911722T2 (de) 1988-04-04 1989-04-02 Gerät zur optischen Aufnahme und Wiedergabe von Information.

Country Status (5)

Country Link
US (1) US5153863A (de)
EP (1) EP0336328B1 (de)
JP (1) JP2583273B2 (de)
CA (1) CA1320272C (de)
DE (1) DE68911722T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2923331B2 (ja) * 1990-06-12 1999-07-26 オリンパス光学工業株式会社 光記録媒体及びその再生装置
JPH0482030A (ja) * 1990-07-24 1992-03-16 Canon Inc 光学的情報記録再生装置
JP2760408B2 (ja) * 1990-07-26 1998-05-28 キヤノン株式会社 光学的情報記録再生装置
EP0582059B1 (de) * 1992-06-02 1998-05-13 Nec Corporation Magneto-optische Kopfeinrichtung
JPH0668515A (ja) * 1992-08-19 1994-03-11 Olympus Optical Co Ltd 光学的情報記録再生装置
JPH06111334A (ja) * 1992-09-24 1994-04-22 Sony Corp 円盤状記録媒体用の記録及び／又は再生装置、光検出器及び光ヘッド
JP3103220B2 (ja) * 1992-10-30 2000-10-30 パイオニア株式会社 光学式信号再生装置
US5815293A (en) 1993-02-01 1998-09-29 Matsushita Electric Industrial Co., Ltd. Compound objective lens having two focal points
CN100369137C (zh) * 1993-08-04 2008-02-13 松下电器产业株式会社 聚焦控制方法和光盘装置
JP2934684B2 (ja) * 1993-09-10 1999-08-16 株式会社日本コンラックス 光学式情報記録再生システム及び該システムにおけるトラッキング制御装置
KR950015234A (ko) * 1993-11-29 1995-06-16 배순훈 광픽업 장치
JP3318636B2 (ja) * 1994-03-31 2002-08-26 ソニー株式会社 サーボ装置、光ディスク再生装置
US5471455A (en) * 1994-05-17 1995-11-28 Jabr; Salim N. High density optical storage system
JPH0863749A (ja) * 1994-08-26 1996-03-08 Nippon Conlux Co Ltd 光学的情報記録装置および方法
JPH08329492A (ja) * 1995-05-30 1996-12-13 Nippon Conlux Co Ltd 光学的記録媒体に対するトラッキング方法および装置
JPH10172175A (ja) * 1996-12-13 1998-06-26 Canon Inc 光学的情報記録再生装置
US6411573B1 (en) * 1998-02-20 2002-06-25 Zen Research (Ireland), Ltd. Multi-beam optical pickup
US6314071B1 (en) * 1998-02-20 2001-11-06 Zen Research (Ireland), Ltd. Method and apparatus for reading multiple tracks and writing at least one track of an optical disk
KR100341335B1 (ko) * 2000-05-18 2002-06-22 윤종용 광디스크 플레이어 및 그 기록 또는 재생방법
US7304920B2 (en) 2000-06-26 2007-12-04 Matsushita Electric Industrial Co., Ltd. Optical head that detects tilt in an optical disk
US7161890B2 (en) 2002-03-06 2007-01-09 Matsushita Electric Industrial Co., Ltd. Optical head device and optical information device using this and computer optical disk player car navigation system optical disk recorder and optical disk server using this optical information device
CN101439431A (zh) * 2007-11-21 2009-05-27 新科实业有限公司 多束激光接合机及接合方法
KR20140106054A (ko) * 2013-02-25 2014-09-03 도시바삼성스토리지테크놀러지코리아 주식회사 광픽업 및 이를 채용한 광정보저장매체 시스템
KR20140106055A (ko) * 2013-02-25 2014-09-03 도시바삼성스토리지테크놀러지코리아 주식회사 광픽업 및 이를 채용한 광정보저장매체 시스템

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57141032A (en) * 1982-01-25 1982-09-01 Hitachi Ltd Optical head and information reproducing device
JPS5965948A (ja) * 1982-10-06 1984-04-14 Canon Inc 記録再生方法
US4695992A (en) * 1983-01-31 1987-09-22 Canon Kabushiki Kaisha Optical information recording-reproducing apparatus in which the relative position of a primary beam and secondary beams on recording medium is varied during recording and reproduction of information
DE3323007C1 (de) * 1983-06-25 1984-06-28 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Spurfolgesystem mit einem optischen Abtaster für ein Audio- oder Video-Plattenwiedergabegerät
DE3339736C1 (de) * 1983-11-03 1985-06-05 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Spurfolgesystem zur Korrektur von Tangentenfehlwinkeln bei optischer Plattenabtastung
JPS60119641A (ja) * 1983-12-01 1985-06-27 Pioneer Electronic Corp トラッキングエラ−信号発生装置
US4598393A (en) * 1984-04-06 1986-07-01 Drexler Technology Corporation Three-beam optical servo tracking system with two-track parallel readout
JPS6161236A (ja) * 1984-09-03 1986-03-29 Hitachi Ltd 光学式デイスク再生装置
JPS61158041A (ja) * 1984-12-28 1986-07-17 Canon Inc カード状記録媒体の光学的情報記録再生方法
US4787075A (en) * 1984-12-26 1988-11-22 Canon Kabushiki Kaisha Optical information recording medium and apparatus for recording/reproducing information using the same
US4633455A (en) * 1985-03-25 1986-12-30 Rca Corporation Headwheel for a multiple beam optical tape playback system
JPS62239333A (ja) * 1986-04-09 1987-10-20 Canon Inc トラツキング信号検出方法
EP0245821A3 (en) * 1986-05-12 1988-07-20 Csk Corporation Data record formatting system and reading/writing system for optical recording medium
EP0261608A3 (en) * 1986-09-20 1990-05-30 Csk Corporation Optical recording medium
JPS63104225A (ja) * 1986-10-21 1988-05-09 Csk Corp 光記録媒体のトラツキング方式
JPS63113937A (ja) * 1986-10-31 1988-05-18 Kyocera Corp 光学的読み取り方法
JPH01125732A (ja) * 1987-10-23 1989-05-18 Nippon Conlux Co Ltd 情報の記録再生方法および装置
JP2649231B2 (ja) * 1987-11-20 1997-09-03 株式会社 日本コンラックス 光学的情報再生装置

Also Published As

Publication number Publication date
EP0336328B1 (de) 1993-12-29
EP0336328A2 (de) 1989-10-11
CA1320272C (en) 1993-07-13
JP2583273B2 (ja) 1997-02-19
JPH01256022A (ja) 1989-10-12
EP0336328A3 (de) 1991-01-09
DE68911722T2 (de) 1994-04-28
US5153863A (en) 1992-10-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE REICHEL UND REICHEL, 60322 FRANKFURT

8339 Ceased/non-payment of the annual fee