SG60091A1 - Disc recording and/or reproducing apparatus and optical pickup apparatus - Google Patents

Disc recording and/or reproducing apparatus and optical pickup apparatus

Info

Publication number
SG60091A1
SG60091A1 SG1997002519A SG1997002519A SG60091A1 SG 60091 A1 SG60091 A1 SG 60091A1 SG 1997002519 A SG1997002519 A SG 1997002519A SG 1997002519 A SG1997002519 A SG 1997002519A SG 60091 A1 SG60091 A1 SG 60091A1
Authority
SG
Singapore
Prior art keywords
optical pickup
disc recording
reproducing apparatus
pickup apparatus
reproducing
Prior art date
Application number
SG1997002519A
Other languages
English (en)
Inventor
Masao Ohyama
Yoshinori Yamamoto
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
Priority claimed from JP21334196A external-priority patent/JP3513848B2/ja
Priority claimed from JP22073496A external-priority patent/JP3513849B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of SG60091A1 publication Critical patent/SG60091A1/en

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
    • G11B17/044—Indirect insertion, i.e. with external loading means
    • G11B17/046—Indirect insertion, i.e. with external loading means with pivoting loading means
    • G11B17/0466—Indirect insertion, i.e. with external loading means with pivoting loading means with opening mechanism of the cartridge shutter
    • 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
    • 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
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/1446—Reducing contamination, e.g. by dust, debris
    • 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
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Head (AREA)
  • Feeding And Guiding Record Carriers (AREA)
SG1997002519A 1996-07-25 1997-07-22 Disc recording and/or reproducing apparatus and optical pickup apparatus SG60091A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP21334196A JP3513848B2 (ja) 1996-07-25 1996-07-25 光ディスク装置
JP22073496A JP3513849B2 (ja) 1996-08-05 1996-08-05 光ディスク装置

Publications (1)

Publication Number Publication Date
SG60091A1 true SG60091A1 (en) 1999-02-22

Family

ID=26519745

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1997002519A SG60091A1 (en) 1996-07-25 1997-07-22 Disc recording and/or reproducing apparatus and optical pickup apparatus

Country Status (6)

Country Link
US (1) US5995467A (ko)
KR (1) KR100470376B1 (ko)
CN (1) CN1116674C (ko)
GB (1) GB2315590B (ko)
MY (1) MY121697A (ko)
SG (1) SG60091A1 (ko)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10199005A (ja) * 1996-12-26 1998-07-31 Sony Corp 光学ピックアップ装置
JP3352416B2 (ja) * 1998-07-08 2002-12-03 三星電機株式会社 光ディスクプレーヤー
GB2341264B (en) * 1998-09-01 2001-02-21 Ya Horng Electronic Co Ltd Anti-dust cover driving device for a CD player
JP2000113483A (ja) * 1998-10-05 2000-04-21 Sony Corp 光ヘッド装置及び光ディスク装置
JP2000298863A (ja) * 1999-04-09 2000-10-24 Sony Corp 光ピックアップ装置
US6487158B2 (en) 1999-07-14 2002-11-26 Hewlett-Packard Company Cover member and method for an optical disc drive
US6385161B1 (en) * 1999-07-14 2002-05-07 Hewlett-Packard Company Securing mechanism and method for an optical disc drive
JP4300689B2 (ja) * 2000-07-31 2009-07-22 ソニー株式会社 光ピックアップ装置、並びに記録及び／又は再生装置
DE10063940A1 (de) * 2000-12-20 2002-07-04 Thomson Brandt Gmbh Aufzeichnungs- und/oder Wiedergabegerät für optische Aufzeichnungsträger
JP4337282B2 (ja) * 2001-07-11 2009-09-30 ソニー株式会社 光ピックアップ装置及び記録及び／又は再生装置
JP3903789B2 (ja) * 2001-12-28 2007-04-11 富士通株式会社 記憶装置
KR100536691B1 (ko) * 2003-05-31 2005-12-14 주식회사 대우일렉트로닉스 홀로그래픽 롬 시스템
JP2006252683A (ja) * 2005-03-11 2006-09-21 Teac Corp 光ディスク装置
JP6221066B2 (ja) * 2013-10-01 2017-11-01 パナソニックＩｐマネジメント株式会社 ストッパーおよびディスクドライブ

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5622228A (en) * 1979-07-30 1981-03-02 Matsushita Electric Ind Co Ltd Dust protector of optical recording and reproducing device
JPS6022228A (ja) * 1983-07-19 1985-02-04 Maitemu:Kk コンピユ−タの入力表示と出力表示とを対応させる方法
JPS61224151A (ja) * 1985-03-29 1986-10-04 Canon Inc 情報記録再生装置
JPS61280043A (ja) * 1985-06-05 1986-12-10 Nec Eng Ltd 光デイスク装置
JPS63146235A (ja) * 1986-12-09 1988-06-18 Canon Inc 光学式情報記録再生装置
JPS63255839A (ja) * 1987-04-13 1988-10-24 Matsushita Graphic Commun Syst Inc 光デイスク記録再生装置
JPS6413235A (en) * 1987-07-07 1989-01-18 Matsushita Electric Ind Co Ltd Optical recording and reproducing device
DE3840311A1 (de) * 1988-11-30 1990-05-31 Thomson Brandt Gmbh Optisches aufzeichnungs- und/oder wiedergabe-geraet
US5172361A (en) * 1989-06-01 1992-12-15 Sony Corporation Disc loading apparatus
US5297122A (en) * 1992-09-14 1994-03-22 Hewlett-Packard Company Dust protection assembly for magneto-optic drive apparatus
JP3320906B2 (ja) * 1994-06-30 2002-09-03 アルパイン株式会社 ディスク装置
JP2930013B2 (ja) * 1996-06-27 1999-08-03 日本電気株式会社 Ｐｌａ・ｄａｃ回路

Also Published As

Publication number Publication date
CN1175758A (zh) 1998-03-11
GB2315590A (en) 1998-02-04
MY121697A (en) 2006-02-28
KR100470376B1 (ko) 2005-06-22
CN1116674C (zh) 2003-07-30
KR980011142A (ko) 1998-04-30
GB2315590B (en) 2001-01-17
US5995467A (en) 1999-11-30
GB9715354D0 (en) 1997-09-24

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