DE69621190T2 - Optisches Speichergerät - Google Patents

Optisches Speichergerät

Info

Publication number
DE69621190T2
DE69621190T2 DE69621190T DE69621190T DE69621190T2 DE 69621190 T2 DE69621190 T2 DE 69621190T2 DE 69621190 T DE69621190 T DE 69621190T DE 69621190 T DE69621190 T DE 69621190T DE 69621190 T2 DE69621190 T2 DE 69621190T2
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.)
Expired - Fee Related
Application number
DE69621190T
Other languages
English (en)
Other versions
DE69621190D1 (de
Inventor
Hidenori Saitou
Toshitaka Iwamoto
Hirataka Ukai
Yasukiyo Kunimatsu
Shigeru Juman
Tomoo Sukagawa
Masateru Sasaki
C O Fujitsu Limited Nagasaki
Masao Uchiyama
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.)
Panasonic Corp
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
Application granted granted Critical
Publication of DE69621190D1 publication Critical patent/DE69621190D1/de
Publication of DE69621190T2 publication Critical patent/DE69621190T2/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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/04—Feeding or guiding single record carrier to or from transducer unit
    • G11B17/041—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs contained within cartridges
    • G11B17/043—Direct insertion, i.e. without external loading means
    • G11B17/0434—Direct insertion, i.e. without external loading means with mechanism for subsequent vertical movement of the disc
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • 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
    • G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
    • 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
    • G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G11B11/10541—Heads for reproducing
    • G11B11/10543—Heads for reproducing using optical beam of radiation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
    • G11B33/08—Insulation or absorption of undesired vibrations or sounds
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
    • 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
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • 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
    • G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Feeding And Guiding Record Carriers (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
DE69621190T 1995-07-10 1996-07-10 Optisches Speichergerät Expired - Fee Related DE69621190T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17365295 1995-07-10
JP8130170A JPH0982079A (ja) 1995-07-10 1996-05-24 光学的記憶装置

Publications (2)

Publication Number Publication Date
DE69621190D1 DE69621190D1 (de) 2002-06-20
DE69621190T2 true DE69621190T2 (de) 2002-08-29

Family

ID=26465363

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69628681T Expired - Fee Related DE69628681T2 (de) 1995-07-10 1996-07-10 Optisches Speichergerät
DE69621190T Expired - Fee Related DE69621190T2 (de) 1995-07-10 1996-07-10 Optisches Speichergerät

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69628681T Expired - Fee Related DE69628681T2 (de) 1995-07-10 1996-07-10 Optisches Speichergerät

Country Status (6)

Country Link
US (3) US6141309A (de)
EP (2) EP0753844B1 (de)
JP (1) JPH0982079A (de)
KR (1) KR100260767B1 (de)
CN (2) CN1519851A (de)
DE (2) DE69628681T2 (de)

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JP3818756B2 (ja) 1997-10-31 2006-09-06 富士通株式会社 記憶装置
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JP3832998B2 (ja) 1999-03-30 2006-10-11 富士通株式会社 光学式情報記録再生装置
JP2001176166A (ja) * 1999-12-17 2001-06-29 Fujitsu Ltd 記憶装置
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US6717901B2 (en) 2000-05-31 2004-04-06 Fujitsu Limited Storage device having a chasis integral with a stationary optical unit
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US6858862B2 (en) 2001-06-29 2005-02-22 Intel Corporation Discrete polymer memory array and method of making same
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JP4928320B2 (ja) * 2007-03-23 2012-05-09 富士フイルム株式会社 電子内視鏡装置
CN102087871A (zh) * 2009-12-03 2011-06-08 鸿富锦精密工业（深圳）有限公司 硬盘固定装置
JP5273171B2 (ja) * 2011-02-07 2013-08-28 船井電機株式会社 光ディスク装置のドライブ装置
US9481932B2 (en) 2012-04-26 2016-11-01 Cheung Woh Technologies Ltd. Method and apparatus for progressively forging a hard disk drive base plate
CA2822627A1 (en) * 2012-07-31 2014-01-31 Goodrich Corporation Aircraft electrical mat with solderless lead line connections
CN105448308B (zh) 2014-08-27 2019-04-09 祥和科技有限公司 用于形成具有延长高度的硬盘驱动器基板的方法和装置
US10792833B2 (en) * 2017-04-03 2020-10-06 Circsaw Technologies Llc Rolling plate assembly attachment for portable power cutting tools including an improved structural design, improved wheel configuration, and a cutting guide
CN108008835B (zh) * 2017-12-29 2024-04-12 中科恒研智能科技有限公司 一种加固kvm切换器安装结构
US11130252B2 (en) * 2018-04-02 2021-09-28 Circsaw Technologies Llc Rolling plate assembly attachment for portable power cutting tools including an improved structural design, improved wheel configuration, and a cutting guide
KR102101993B1 (ko) 2018-07-31 2020-04-20 주식회사 미래인더스트리 유수분리조

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Also Published As

Publication number Publication date
EP1037207A3 (de) 2000-12-06
EP0753844A2 (de) 1997-01-15
EP1037207A2 (de) 2000-09-20
EP1037207B1 (de) 2003-06-11
CN1176466C (zh) 2004-11-17
EP0753844A3 (de) 1998-02-04
DE69621190D1 (de) 2002-06-20
CN1146049A (zh) 1997-03-26
KR100260767B1 (ko) 2000-07-01
DE69628681D1 (de) 2003-07-17
US6141309A (en) 2000-10-31
US6411581B1 (en) 2002-06-25
DE69628681T2 (de) 2004-02-12
CN1519851A (zh) 2004-08-11
US6388972B1 (en) 2002-05-14
KR970007879A (ko) 1997-02-21
JPH0982079A (ja) 1997-03-28
EP0753844B1 (de) 2002-05-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee