DE60326237D1 - Informationsaufzeichnungseinrichtung und informationsaufzeichnungs-/-wiedergabeeinrichtung - Google Patents

Informationsaufzeichnungseinrichtung und informationsaufzeichnungs-/-wiedergabeeinrichtung

Info

Publication number
DE60326237D1
DE60326237D1 DE60326237T DE60326237T DE60326237D1 DE 60326237 D1 DE60326237 D1 DE 60326237D1 DE 60326237 T DE60326237 T DE 60326237T DE 60326237 T DE60326237 T DE 60326237T DE 60326237 D1 DE60326237 D1 DE 60326237D1
Authority
DE
Germany
Prior art keywords
light beams
information
optical
diode array
laser light
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
DE60326237T
Other languages
English (en)
Inventor
Yujiro Ito
Masaaki Hara
Jun Sawai
Tsunenori Shiimoto
Nobuchika Momochi
Tadaaki Yoshinaka
Takashi Shimizu
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
Application granted granted Critical
Publication of DE60326237D1 publication Critical patent/DE60326237D1/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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
    • 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
    • G11B7/08—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
    • G11B7/0908—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 focusing only

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
DE60326237T 2002-07-17 2003-07-14 Informationsaufzeichnungseinrichtung und informationsaufzeichnungs-/-wiedergabeeinrichtung Expired - Fee Related DE60326237D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002207880A JP2004054985A (ja) 2002-07-17 2002-07-17 情報記録装置及び情報記録再生装置
PCT/JP2003/008893 WO2004008445A1 (ja) 2002-07-17 2003-07-14 情報記録装置及び情報記録再生装置

Publications (1)

Publication Number Publication Date
DE60326237D1 true DE60326237D1 (de) 2009-04-02

Family

ID=30112830

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60326237T Expired - Fee Related DE60326237D1 (de) 2002-07-17 2003-07-14 Informationsaufzeichnungseinrichtung und informationsaufzeichnungs-/-wiedergabeeinrichtung

Country Status (7)

Country Link
US (1) US7292518B2 (de)
EP (1) EP1522999B1 (de)
JP (1) JP2004054985A (de)
CN (1) CN1306507C (de)
AT (1) ATE423375T1 (de)
DE (1) DE60326237D1 (de)
WO (1) WO2004008445A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090076102A (ko) * 2008-01-07 2009-07-13 삼성전자주식회사 다채널용 광픽업 및 이를 적용한 다채널 광 기록/재생장치
US8248905B2 (en) 2010-10-15 2012-08-21 General Electric Company Method of parallel bit-wise holographic data storage source using a parallel light source
US8154975B1 (en) 2010-11-18 2012-04-10 General Electric Company Servoing system for multiple spot registration for holographic replication system
US8254224B2 (en) 2010-11-18 2012-08-28 General Electric Company Servoing system for master with parallel tracks in a holographic replication system
CN113744766A (zh) * 2020-05-29 2021-12-03 华为技术有限公司 一种数据读取、写入装置及数据读取、写入方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52128104A (en) * 1976-04-20 1977-10-27 Matsushita Electric Ind Co Ltd Optical multichannel recording method
EP0092420A1 (de) * 1982-04-19 1983-10-26 Xerox Corporation Vorrichtungen zur Informationsspeicherung
US4520472A (en) 1983-02-07 1985-05-28 Rca Corporation Beam expansion and relay optics for laser diode array
JPS618749A (ja) * 1984-06-21 1986-01-16 Tokyo Electric Co Ltd 光学記憶方法
US4884260A (en) 1986-04-23 1989-11-28 Drexler Technology Corporation Data recording system for optical memory tape
US4768184A (en) * 1987-01-23 1988-08-30 General Electric Company Apparatus and method for minimizing magnification distortion in multi-track optical recording
US4754446A (en) * 1987-01-23 1988-06-28 General Electric Company Optical recording system using refracted write beam for erasing
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
US5472759A (en) * 1993-12-16 1995-12-05 Martin Marietta Corporation Optical volume memory
JPH08321084A (ja) * 1995-05-24 1996-12-03 Sanyo Electric Co Ltd 記録媒体のトラッキング方法

Also Published As

Publication number Publication date
EP1522999A4 (de) 2007-10-17
JP2004054985A (ja) 2004-02-19
WO2004008445A1 (ja) 2004-01-22
ATE423375T1 (de) 2009-03-15
CN1306507C (zh) 2007-03-21
US20050105444A1 (en) 2005-05-19
US7292518B2 (en) 2007-11-06
EP1522999A1 (de) 2005-04-13
EP1522999B1 (de) 2009-02-18
CN1578979A (zh) 2005-02-09

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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