JPH0449174B2 - - Google Patents

Info

Publication number
JPH0449174B2
JPH0449174B2 JP9711283A JP9711283A JPH0449174B2 JP H0449174 B2 JPH0449174 B2 JP H0449174B2 JP 9711283 A JP9711283 A JP 9711283A JP 9711283 A JP9711283 A JP 9711283A JP H0449174 B2 JPH0449174 B2 JP H0449174B2
Authority
JP
Japan
Prior art keywords
holder
objective lens
tracking
metal wire
base
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
Application number
JP9711283A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59221839A (ja
Inventor
Hiroshi Yasuda
Masayuki Ito
Hiroyuki Nakamura
Toshiki Matsuno
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP9711283A priority Critical patent/JPS59221839A/ja
Priority to PCT/JP1984/000275 priority patent/WO1984004841A1/fr
Priority to EP84902073A priority patent/EP0144445B1/fr
Priority to DE8484902073T priority patent/DE3469814D1/de
Priority to US09/120,799 priority patent/USRE37084E1/en
Priority to US06/700,818 priority patent/US4646283A/en
Publication of JPS59221839A publication Critical patent/JPS59221839A/ja
Publication of JPH0449174B2 publication Critical patent/JPH0449174B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0925Electromechanical actuators for lens positioning
    • G11B7/0932Details of sprung supports
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0925Electromechanical actuators for lens positioning
    • G11B7/0933Details of stationary parts

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP9711283A 1983-05-31 1983-05-31 光デイスクプレ−ヤの対物レンズ保持装置 Granted JPS59221839A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP9711283A JPS59221839A (ja) 1983-05-31 1983-05-31 光デイスクプレ−ヤの対物レンズ保持装置
PCT/JP1984/000275 WO1984004841A1 (fr) 1983-05-31 1984-05-29 Dispositif d'entrainement des lentilles d'objectifs d'un lecteur de disques optiques
EP84902073A EP0144445B1 (fr) 1983-05-31 1984-05-29 Dispositif d'entrainement des lentilles d'objectifs d'un lecteur de disques optiques
DE8484902073T DE3469814D1 (en) 1983-05-31 1984-05-29 Apparatus for driving objective lens of optical disc player
US09/120,799 USRE37084E1 (en) 1983-05-31 1984-05-29 Objective lens driving apparatus for optical disc player
US06/700,818 US4646283A (en) 1983-05-31 1984-05-29 Objective lens driving apparatus for optical disc player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9711283A JPS59221839A (ja) 1983-05-31 1983-05-31 光デイスクプレ−ヤの対物レンズ保持装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP1090176A Division JPH0816985B2 (ja) 1989-04-10 1989-04-10 光ディスク装置の対物レンズ保持装置

Publications (2)

Publication Number Publication Date
JPS59221839A JPS59221839A (ja) 1984-12-13
JPH0449174B2 true JPH0449174B2 (fr) 1992-08-10

Family

ID=14183493

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9711283A Granted JPS59221839A (ja) 1983-05-31 1983-05-31 光デイスクプレ−ヤの対物レンズ保持装置

Country Status (1)

Country Link
JP (1) JPS59221839A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0419615Y2 (fr) * 1984-11-09 1992-05-06
JP2611966B2 (ja) * 1985-05-13 1997-05-21 株式会社東芝 対物レンズ駆動装置
JPH0452815Y2 (fr) * 1986-06-13 1992-12-11
EP0273367B1 (fr) * 1986-12-26 1994-02-16 Kabushiki Kaisha Toshiba Appareil de commande pour lentille d'objectif
JPS63167658A (ja) * 1986-12-27 1988-07-11 Toshiba Corp コイル可動形駆動装置
JP2933162B2 (ja) * 1988-03-25 1999-08-09 オリンパス光学工業株式会社 光ヘッド装置
JP2765633B2 (ja) * 1989-11-02 1998-06-18 オリンパス光学工業株式会社 光学系支持装置
JP2761972B2 (ja) * 1990-08-21 1998-06-04 株式会社日立製作所 対物レンズ駆動装置及び光ディスク装置
US5475661A (en) * 1992-04-07 1995-12-12 Matsushita Electric Industrial Co., Ltd. Objective lens actuator having frame-shaped leaf springs for minimizing focusing and tracking errors
US5488603A (en) * 1993-06-21 1996-01-30 Matsushita Electric Industrial Co., Ltd. Optical information recording reproducing apparatus with first and second electrokinetic transducers at respective distances
JP2791316B2 (ja) * 1996-10-29 1998-08-27 株式会社東芝 対物レンズ駆動装置
JP2857112B2 (ja) * 1996-10-29 1999-02-10 株式会社東芝 対物レンズ駆動装置
KR100296389B1 (ko) * 1998-08-14 2001-08-07 박태진 2축구동장치

Also Published As

Publication number Publication date
JPS59221839A (ja) 1984-12-13

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