JPH0480452B2 - - Google Patents

Info

Publication number
JPH0480452B2
JPH0480452B2 JP58097111A JP9711183A JPH0480452B2 JP H0480452 B2 JPH0480452 B2 JP H0480452B2 JP 58097111 A JP58097111 A JP 58097111A JP 9711183 A JP9711183 A JP 9711183A JP H0480452 B2 JPH0480452 B2 JP H0480452B2
Authority
JP
Japan
Prior art keywords
holder
objective lens
base
drive coil
circuit board
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
JP58097111A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59221838A (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 JP9711183A priority Critical patent/JPS59221838A/ja
Priority to PCT/JP1984/000275 priority patent/WO1984004841A1/ja
Priority to US06/700,818 priority patent/US4646283A/en
Priority to US09/120,799 priority patent/USRE37084E1/en
Priority to EP84902073A priority patent/EP0144445B1/en
Priority to DE8484902073T priority patent/DE3469814D1/de
Publication of JPS59221838A publication Critical patent/JPS59221838A/ja
Publication of JPH0480452B2 publication Critical patent/JPH0480452B2/ja
Granted 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
    • G11B7/0933—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
    • G11B7/0932—Details of sprung supports

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP9711183A 1983-05-31 1983-05-31 光デイスクプレ−ヤの対物レンズ駆動装置 Granted JPS59221838A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP9711183A JPS59221838A (ja) 1983-05-31 1983-05-31 光デイスクプレ−ヤの対物レンズ駆動装置
PCT/JP1984/000275 WO1984004841A1 (en) 1983-05-31 1984-05-29 Apparatus for driving objective lens of optical disc player
US06/700,818 US4646283A (en) 1983-05-31 1984-05-29 Objective lens driving apparatus for optical disc player
US09/120,799 USRE37084E1 (en) 1983-05-31 1984-05-29 Objective lens driving apparatus for optical disc player
EP84902073A EP0144445B1 (en) 1983-05-31 1984-05-29 Apparatus for driving objective lens of optical disc player
DE8484902073T DE3469814D1 (en) 1983-05-31 1984-05-29 Apparatus for driving objective lens of optical disc player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9711183A JPS59221838A (ja) 1983-05-31 1983-05-31 光デイスクプレ−ヤの対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
JPS59221838A JPS59221838A (ja) 1984-12-13
JPH0480452B2 true JPH0480452B2 (en]) 1992-12-18

Family

ID=14183468

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9711183A Granted JPS59221838A (ja) 1983-05-31 1983-05-31 光デイスクプレ−ヤの対物レンズ駆動装置

Country Status (1)

Country Link
JP (1) JPS59221838A (en])

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61197211A (ja) * 1985-02-27 1986-09-01 Asahi Chem Ind Co Ltd ポリオキシメチレン圧延体の製造法
JP2793127B2 (ja) * 1994-06-03 1998-09-03 オリンパス光学工業株式会社 レンズ駆動装置
JP2793126B2 (ja) * 1994-06-03 1998-09-03 オリンパス光学工業株式会社 レンズ駆動装置
JP2661581B2 (ja) * 1995-03-02 1997-10-08 ソニー株式会社 対物レンズ駆動装置
JPH09134537A (ja) * 1996-08-22 1997-05-20 Sony Corp 対物レンズ駆動装置
JP4496973B2 (ja) * 2005-01-28 2010-07-07 パナソニック株式会社 光ピックアップ装置及び光ディスク装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5821719Y2 (ja) * 1976-06-21 1983-05-09 日本軽金属株式会社 わく無しパネルの成形用保持装置
JPS624909Y2 (en]) * 1981-04-20 1987-02-04

Also Published As

Publication number Publication date
JPS59221838A (ja) 1984-12-13

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