DE69418374D1 - Zweiachsige Positioniereinrichtung für optisches Abtastgerät - Google Patents

Zweiachsige Positioniereinrichtung für optisches Abtastgerät

Info

Publication number
DE69418374D1
DE69418374D1 DE69418374T DE69418374T DE69418374D1 DE 69418374 D1 DE69418374 D1 DE 69418374D1 DE 69418374 T DE69418374 T DE 69418374T DE 69418374 T DE69418374 T DE 69418374T DE 69418374 D1 DE69418374 D1 DE 69418374D1
Authority
DE
Germany
Prior art keywords
optical scanning
axis positioning
positioning device
scanning device
axis
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
DE69418374T
Other languages
English (en)
Other versions
DE69418374T2 (de
Inventor
Takamichi Tomiyama
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=13933484&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69418374(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE69418374D1 publication Critical patent/DE69418374D1/de
Application granted granted Critical
Publication of DE69418374T2 publication Critical patent/DE69418374T2/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
    • 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
    • G11B7/09—Disposition 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
    • 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 Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE69418374T 1993-03-23 1994-03-21 Zweiachsige Positioniereinrichtung für optisches Abtastgerät Expired - Fee Related DE69418374T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP08810193A JP3208751B2 (ja) 1993-03-23 1993-03-23 光学ピックアップ

Publications (2)

Publication Number Publication Date
DE69418374D1 true DE69418374D1 (de) 1999-06-17
DE69418374T2 DE69418374T2 (de) 1999-11-25

Family

ID=13933484

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69418374T Expired - Fee Related DE69418374T2 (de) 1993-03-23 1994-03-21 Zweiachsige Positioniereinrichtung für optisches Abtastgerät

Country Status (4)

Country Link
US (1) US5500771A (de)
EP (1) EP0617419B1 (de)
JP (1) JP3208751B2 (de)
DE (1) DE69418374T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6236625B1 (en) 1991-02-15 2001-05-22 Discovision Associates Optical disc system having current monitoring circuit with controller for laser driver and method for operating same
US5677899A (en) 1991-02-15 1997-10-14 Discovision Associates Method for moving carriage assembly from initial position to target position relative to storage medium
US5729511A (en) 1991-02-15 1998-03-17 Discovision Associates Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
JP3279024B2 (ja) * 1993-10-30 2002-04-30 ソニー株式会社 光ピックアップ装置
JP3246140B2 (ja) * 1993-11-16 2002-01-15 ソニー株式会社 対物レンズ駆動装置
JP3319481B2 (ja) * 1993-12-22 2002-09-03 ソニー株式会社 対物レンズ駆動装置及びこれを利用した光ディスク装置
US6434087B1 (en) 1995-01-25 2002-08-13 Discovision Associates Optical disc system and method for controlling bias coil and light source to process information on a storage medium
JP2793786B2 (ja) * 1995-05-17 1998-09-03 ティーディーケイ株式会社 光ディスク装置の対物レンズ駆動装置とその製造方法
JPH09190644A (ja) * 1996-01-09 1997-07-22 Pioneer Electron Corp レンズ駆動装置及びその製造方法
US5640279A (en) * 1996-06-07 1997-06-17 Eastman Kodak Company Beam splitter for optical reading and writing actuator
US6181670B1 (en) * 1997-01-31 2001-01-30 Kabushiki Kaisha Toshiba Objective lens mounting apparatus and objective lens driving apparatus
US6016292A (en) * 1997-02-28 2000-01-18 Daewoo Electronics Co., Ltd. Optical pick-up apparatus
KR200168981Y1 (ko) * 1997-08-27 2000-02-01 윤종용 광픽업의 대물렌즈 구동장치
JP2003296965A (ja) * 2002-04-03 2003-10-17 Matsushita Electric Ind Co Ltd 光ピックアップの製造方法
KR100688597B1 (ko) * 2005-03-25 2007-03-02 도시바삼성스토리지테크놀러지코리아 주식회사 고추력을 갖는 광픽업 액츄에이터 및 이를 이용한광기록/재생장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095735A (ja) * 1983-10-31 1985-05-29 Hitachi Ltd 対物レンズ駆動装置
JPS6472338A (en) * 1987-09-11 1989-03-17 Pioneer Electronic Corp Manufacture of optical pickup device
JP2683243B2 (ja) * 1988-03-29 1997-11-26 オリンパス光学工業株式会社 レンズの支持装置
JPH02203431A (ja) * 1989-02-02 1990-08-13 Teac Corp 対物レンズ駆動装置及びその製造方法
JPH0690803B2 (ja) * 1989-05-22 1994-11-14 パイオニア株式会社 情報読取装置の製造方法
JP2798719B2 (ja) * 1989-08-15 1998-09-17 オリンパス光学工業株式会社 光学系支持装置
JPH03173941A (ja) * 1989-11-30 1991-07-29 Mitsubishi Electric Corp 対物レンズ駆動装置
JP2978588B2 (ja) * 1991-05-27 1999-11-15 パイオニア株式会社 光ピックアップにおけるレンズ駆動装置の製造方法

Also Published As

Publication number Publication date
JPH06274910A (ja) 1994-09-30
JP3208751B2 (ja) 2001-09-17
EP0617419A1 (de) 1994-09-28
DE69418374T2 (de) 1999-11-25
EP0617419B1 (de) 1999-05-12
US5500771A (en) 1996-03-19

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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