CN1080429C - 用于盘形记录介质的记录/重放设备 - Google Patents

用于盘形记录介质的记录/重放设备 Download PDF

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Publication number
CN1080429C
CN1080429C CN95116309A CN95116309A CN1080429C CN 1080429 C CN1080429 C CN 1080429C CN 95116309 A CN95116309 A CN 95116309A CN 95116309 A CN95116309 A CN 95116309A CN 1080429 C CN1080429 C CN 1080429C
Authority
CN
China
Prior art keywords
disc
holder
recording medium
reference surface
shaped recording
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 - Lifetime
Application number
CN95116309A
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English (en)
Chinese (zh)
Other versions
CN1148238A (zh
Inventor
石松好一
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
Publication of CN1148238A publication Critical patent/CN1148238A/zh
Application granted granted Critical
Publication of CN1080429C publication Critical patent/CN1080429C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G11B7/08—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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
CN95116309A 1994-08-15 1995-08-15 用于盘形记录介质的记录/重放设备 Expired - Lifetime CN1080429C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP191448/94 1994-08-15
JP19144894 1994-08-15

Publications (2)

Publication Number Publication Date
CN1148238A CN1148238A (zh) 1997-04-23
CN1080429C true CN1080429C (zh) 2002-03-06

Family

ID=16274800

Family Applications (1)

Application Number Title Priority Date Filing Date
CN95116309A Expired - Lifetime CN1080429C (zh) 1994-08-15 1995-08-15 用于盘形记录介质的记录/重放设备

Country Status (4)

Country Link
US (1) US5612935A (enExample)
KR (1) KR100378245B1 (enExample)
CN (1) CN1080429C (enExample)
TW (1) TW272281B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000022616A1 (en) * 1998-10-09 2000-04-20 Sony Corporation Recording and/or reproducing apparatus
JP2005038525A (ja) * 2003-07-16 2005-02-10 Sankyo Seiki Mfg Co Ltd 光記録ディスク装置およびその製造方法
JP3996893B2 (ja) * 2003-12-19 2007-10-24 株式会社日立エルジーデータストレージ 光ディスク装置
KR100569915B1 (ko) * 2004-01-14 2006-04-10 엘지전자 주식회사 광 디스크 드라이브 장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0326246A2 (en) * 1988-01-27 1989-08-02 Sony Corporation Objective lens driving apparatus
EP0407215A2 (en) * 1989-07-06 1991-01-09 Matsushita Electric Industrial Co., Ltd. Optical recording and reproducing apparatus
EP0510652A1 (en) * 1991-04-26 1992-10-28 Sony Corporation Object lens holder and object lens driving device
EP0546543A2 (en) * 1991-12-13 1993-06-16 Sony Corporation Disc driving apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343447A (en) * 1990-05-23 1994-08-30 Olympus Optical Co., Ltd. Self-cooling optomagnetic disk device with locking internal mechanism
DE69126688T2 (de) * 1990-08-29 1997-12-18 Toshiba Kawasaki Kk Abspielgerät für optische Platten zur optischen Verarbeitung von Information
US5392273A (en) * 1992-02-28 1995-02-21 Fujitsu Limited Optical storage drive controller with predetermined light source drive values stored in non-volatile memory

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0326246A2 (en) * 1988-01-27 1989-08-02 Sony Corporation Objective lens driving apparatus
EP0407215A2 (en) * 1989-07-06 1991-01-09 Matsushita Electric Industrial Co., Ltd. Optical recording and reproducing apparatus
EP0510652A1 (en) * 1991-04-26 1992-10-28 Sony Corporation Object lens holder and object lens driving device
EP0546543A2 (en) * 1991-12-13 1993-06-16 Sony Corporation Disc driving apparatus

Also Published As

Publication number Publication date
KR960008721A (ko) 1996-03-22
US5612935A (en) 1997-03-18
TW272281B (enExample) 1996-03-11
KR100378245B1 (ko) 2003-11-01
CN1148238A (zh) 1997-04-23

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SE01 Entry into force of request for substantive examination
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GR01 Patent grant
CX01 Expiry of patent term

Expiration termination date: 20150815

Granted publication date: 20020306

EXPY Termination of patent right or utility model