DE19983987T1 - Optische Speichervorrichtung - Google Patents

Optische Speichervorrichtung

Info

Publication number
DE19983987T1
DE19983987T1 DE19983987T DE19983987T DE19983987T1 DE 19983987 T1 DE19983987 T1 DE 19983987T1 DE 19983987 T DE19983987 T DE 19983987T DE 19983987 T DE19983987 T DE 19983987T DE 19983987 T1 DE19983987 T1 DE 19983987T1
Authority
DE
Germany
Prior art keywords
storage device
optical storage
optical
storage
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.)
Withdrawn
Application number
DE19983987T
Other languages
English (en)
Inventor
Yasukiyo Kunimatsu
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE19983987T1 publication Critical patent/DE19983987T1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13Optical detectors therefor
    • G11B7/131Arrangement of detectors in a multiple array
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/0857Arrangements for mechanically moving the whole head
    • G11B7/08582Sled-type positioners
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0925Electromechanical actuators for lens positioning
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE19983987T 1999-11-18 1999-11-18 Optische Speichervorrichtung Withdrawn DE19983987T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/006437 WO2001037272A1 (fr) 1999-11-18 1999-11-18 Dispositif de stockage optique

Publications (1)

Publication Number Publication Date
DE19983987T1 true DE19983987T1 (de) 2002-12-19

Family

ID=14237321

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19983987T Withdrawn DE19983987T1 (de) 1999-11-18 1999-11-18 Optische Speichervorrichtung

Country Status (3)

Country Link
US (1) US6704268B2 (de)
DE (1) DE19983987T1 (de)
WO (1) WO2001037272A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050082602A (ko) * 2004-02-19 2005-08-24 엘지전자 주식회사 복수의 렌즈가 구비된 광픽업 장치
KR20070028533A (ko) * 2004-06-16 2007-03-12 코닌클리케 필립스 일렉트로닉스 엔.브이. 광 픽업 헤드에서 주사 빔을 발생하는 장치 및 방법, 소형광 픽업 헤드와, 소형 픽업 헤드를 구비한 광학 저장시스템

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6022743A (ja) * 1984-04-24 1985-02-05 Olympus Optical Co Ltd 光学的に情報を記録したデイスク再生装置のピツクアツプ
WO1989004042A1 (en) * 1987-10-28 1989-05-05 Oki Electric Industry Co., Ltd. Optical head
JPH01317229A (ja) 1988-06-17 1989-12-21 Fujitsu Ltd 光学情報記録再生装置
US5319624A (en) * 1989-06-13 1994-06-07 Kabushiki Kaisha Toshiba Electromagnetic actuator and optical disk apparatus incorporating the same
JPH05159336A (ja) 1991-12-03 1993-06-25 Omron Corp 光ピックアップ装置
JPH05225579A (ja) 1992-02-14 1993-09-03 Sony Corp 光ディスクドライブ
JP3563086B2 (ja) * 1993-03-16 2004-09-08 富士通株式会社 光学ヘッド
ES2152274T3 (es) * 1993-05-18 2001-02-01 Nec Corp Accionador para una cabeza optica.
US5488603A (en) * 1993-06-21 1996-01-30 Matsushita Electric Industrial Co., Ltd. Optical information recording reproducing apparatus with first and second electrokinetic transducers at respective distances
JP3279024B2 (ja) * 1993-10-30 2002-04-30 ソニー株式会社 光ピックアップ装置
JP3145241B2 (ja) * 1994-01-20 2001-03-12 富士通株式会社 光ディスク駆動装置
US5663840A (en) * 1994-06-14 1997-09-02 Nec Corporation Objective lens actuator for optical head and used for high speed access
JPH08190722A (ja) 1995-01-06 1996-07-23 Sony Corp 光ヘッド装置
JPH11161980A (ja) * 1997-11-28 1999-06-18 Nec Corp 光ヘッド用トラックエラー信号検出装置
JP3393067B2 (ja) * 1998-06-30 2003-04-07 富士通株式会社 光ディスク装置用光学ヘッド
US6310852B1 (en) * 1998-10-15 2001-10-30 Matsushita Electric Industrial Co., Ltd. Optical recording/reproducing apparatus

Also Published As

Publication number Publication date
US20020114258A1 (en) 2002-08-22
WO2001037272A1 (fr) 2001-05-25
US6704268B2 (en) 2004-03-09

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8139 Disposal/non-payment of the annual fee