TW454181B - Optical pickup - Google Patents

Optical pickup Download PDF

Info

Publication number
TW454181B
TW454181B TW088118408A TW88118408A TW454181B TW 454181 B TW454181 B TW 454181B TW 088118408 A TW088118408 A TW 088118408A TW 88118408 A TW88118408 A TW 88118408A TW 454181 B TW454181 B TW 454181B
Authority
TW
Taiwan
Prior art keywords
elastic sheet
optical pickup
fixed
line
attenuator
Prior art date
Application number
TW088118408A
Other languages
English (en)
Chinese (zh)
Inventor
Atsushi Iwanaga
Original Assignee
Alps Electric Co 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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Application granted granted Critical
Publication of TW454181B publication Critical patent/TW454181B/zh

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
    • G11B7/0932—Details of sprung supports
    • 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
    • G11B7/0933—Details of stationary parts
    • 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
    • G11B7/0935—Details of the moving parts
    • 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
    • G11B7/0946—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 specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10227—Other objects, e.g. metallic pieces
    • H05K2201/10265—Metallic coils or springs, e.g. as part of a connection element

Landscapes

  • Optical Recording Or Reproduction (AREA)
TW088118408A 1998-11-24 1999-10-25 Optical pickup TW454181B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33218498A JP3639132B2 (ja) 1998-11-24 1998-11-24 光ピックアップ

Publications (1)

Publication Number Publication Date
TW454181B true TW454181B (en) 2001-09-11

Family

ID=18252116

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088118408A TW454181B (en) 1998-11-24 1999-10-25 Optical pickup

Country Status (3)

Country Link
JP (1) JP3639132B2 (ja)
KR (1) KR100316984B1 (ja)
TW (1) TW454181B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100505644B1 (ko) * 2002-10-16 2005-08-03 삼성전자주식회사 광픽업 액츄에이터 및 이를 채용한 데이터 기록/재생 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR980004453A (ko) * 1996-06-18 1998-03-30 김광호 광픽업 구동장치의 완충구조
KR980004495A (ko) * 1996-06-27 1998-03-30 배순훈 서스펜션 와이어 삽입 장치의 와이어 안내 구조
JPH1196572A (ja) * 1997-09-26 1999-04-09 Fujitsu Ten Ltd 光ピックアップ用対物レンズの支持構造
JPH11232670A (ja) * 1998-02-17 1999-08-27 Alps Electric Co Ltd 光学式ピックアップ

Also Published As

Publication number Publication date
JP2000163768A (ja) 2000-06-16
KR20000035584A (ko) 2000-06-26
JP3639132B2 (ja) 2005-04-20
KR100316984B1 (ko) 2001-12-24

Similar Documents

Publication Publication Date Title
EP0376531A1 (en) Objective lens driving devices
JP2003242671A (ja) アクチュエータのサスペンション架設装置
JPH08329504A (ja) 光ピックアップ装置
US6480460B1 (en) Actuator for an objective lens of an optical pickup for preventing skew of the optical axis
JP2004164696A (ja) ピックアップ装置用アクチュエータ
JPS63104228A (ja) 光電装置
KR0153766B1 (ko) 광픽업장치
TW454181B (en) Optical pickup
JP2001297478A (ja) 対物レンズ駆動装置
JP3465976B2 (ja) 光学系支持装置
JP3393890B2 (ja) 光学系支持装置
JP2002042356A (ja) 光ピックアップ装置
TW460874B (en) Optical pickup
JP2003317284A (ja) 光学ヘッド装置
JP3561379B2 (ja) 対物レンズアクチュエータ
JPH09161288A (ja) 光ピックアップ用対物レンズ駆動装置
JP3837323B2 (ja) アクチュエータのサスペンション架設装置
JP2770304B2 (ja) 対物レンズ駆動装置
JP4377555B2 (ja) 光学系駆動装置
JP2900825B2 (ja) 光ピックアップ装置及びその製造方法
KR20040091156A (ko) 회전가능한 광 디스크의 정보면에 대해 정보를 기록및/또는 재생하는 광 디스크 장치
KR100220522B1 (ko) 광픽업 액츄에이터
JPH05342606A (ja) 対物レンズ駆動装置
JP2000260041A (ja) 光ピックアップ
JP3500224B2 (ja) 光学系駆動装置

Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees