DE68924756T2 - Gerät für optische Scheiben. - Google Patents

Gerät für optische Scheiben.

Info

Publication number
DE68924756T2
DE68924756T2 DE68924756T DE68924756T DE68924756T2 DE 68924756 T2 DE68924756 T2 DE 68924756T2 DE 68924756 T DE68924756 T DE 68924756T DE 68924756 T DE68924756 T DE 68924756T DE 68924756 T2 DE68924756 T2 DE 68924756T2
Authority
DE
Germany
Prior art keywords
optical disk
disk device
optical
disk
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
DE68924756T
Other languages
English (en)
Other versions
DE68924756D1 (de
Inventor
Kazumasa Ohiso
Mitsuo Satake
Akira Ikuma
Sigeki Mori
Tomoki Hirata
Shinichi Usami
Takashi Enoki
Tatsuo Baba
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Priority claimed from JP63283612A external-priority patent/JP2644858B2/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE68924756D1 publication Critical patent/DE68924756D1/de
Publication of DE68924756T2 publication Critical patent/DE68924756T2/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
    • G11B17/0438—Direct insertion, i.e. without external loading means with mechanism for subsequent vertical movement of the disc and opening mechanism of the cartridge shutter
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/50—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges
    • G11B23/505—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges of disk carriers
    • G11B23/507—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges of disk carriers combined with means for reducing influence of physical parameters, e.g. temperature change, moisture
    • 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
    • G11B7/085—Disposition 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
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08582—Sled-type positioners
    • 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
    • G11B7/121—Protecting the head, e.g. against dust or impact with the record carrier

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
DE68924756T 1988-11-11 1989-11-07 Gerät für optische Scheiben. Expired - Fee Related DE68924756T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63283612A JP2644858B2 (ja) 1988-09-30 1988-11-11 デイスク記録再生装置

Publications (2)

Publication Number Publication Date
DE68924756D1 DE68924756D1 (de) 1995-12-14
DE68924756T2 true DE68924756T2 (de) 1996-07-04

Family

ID=17667759

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68924756T Expired - Fee Related DE68924756T2 (de) 1988-11-11 1989-11-07 Gerät für optische Scheiben.

Country Status (2)

Country Link
EP (1) EP0368242B1 (de)
DE (1) DE68924756T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2686163B2 (ja) * 1990-03-15 1997-12-08 松下電器産業株式会社 カートリッジシャッター開閉装置
JP2897457B2 (ja) * 1991-06-10 1999-05-31 ソニー株式会社 ディスクプレーヤ
JP2927063B2 (ja) * 1991-07-31 1999-07-28 ソニー株式会社 ディスクプレーヤ
WO1998053455A2 (en) * 1997-05-20 1998-11-26 Digital Papyrus Corporation System and method for cleaning head assemblies and data storage disks
DE10339318A1 (de) * 2003-08-27 2005-03-31 Robert Bosch Gmbh Laufwerk

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6113449A (ja) * 1984-06-28 1986-01-21 Matsushita Electric Ind Co Ltd 光学的記録再生装置
JPS61104341A (ja) * 1984-10-23 1986-05-22 Mitsubishi Electric Corp 光学式情報再生装置
JPH0746435B2 (ja) * 1985-03-14 1995-05-17 オリンパス光学工業株式会社 光学的情報記録再生装置における光ピックアップの異常判別装置
JPS61248242A (ja) * 1985-04-26 1986-11-05 Nec Corp 光学的情報記録再生装置
JPH0668847B2 (ja) * 1985-07-25 1994-08-31 ソニー株式会社 光学ヘツドの対物レンズクリ−ニング装置
JPS6390036A (ja) * 1986-10-02 1988-04-20 Canon Inc 光学式情報記録再生装置
JPS63214933A (ja) * 1987-03-03 1988-09-07 Matsushita Graphic Commun Syst Inc 光ピツクアツプのレンズ汚れ検出方法

Also Published As

Publication number Publication date
EP0368242B1 (de) 1995-11-08
EP0368242A2 (de) 1990-05-16
EP0368242A3 (de) 1991-04-03
DE68924756D1 (de) 1995-12-14

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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