JPS59221840A - 光デイスクプレ−ヤの対物レンズ駆動装置 - Google Patents

光デイスクプレ−ヤの対物レンズ駆動装置

Info

Publication number
JPS59221840A
JPS59221840A JP58097121A JP9712183A JPS59221840A JP S59221840 A JPS59221840 A JP S59221840A JP 58097121 A JP58097121 A JP 58097121A JP 9712183 A JP9712183 A JP 9712183A JP S59221840 A JPS59221840 A JP S59221840A
Authority
JP
Japan
Prior art keywords
driving
objective lens
driving coil
tracking direction
holder
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.)
Granted
Application number
JP58097121A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0517615B2 (enrdf_load_stackoverflow
Inventor
Hiroshi Yasuda
博 安田
Masayuki Ito
正之 伊藤
Hiroyuki Nakamura
裕行 中村
Toshiki Matsuno
松野　俊樹
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 JP58097121A priority Critical patent/JPS59221840A/ja
Priority to DE8484902073T priority patent/DE3469814D1/de
Priority to EP84902073A priority patent/EP0144445B1/en
Priority to US09/120,799 priority patent/USRE37084E1/en
Priority to PCT/JP1984/000275 priority patent/WO1984004841A1/ja
Priority to US06/700,818 priority patent/US4646283A/en
Publication of JPS59221840A publication Critical patent/JPS59221840A/ja
Publication of JPH0517615B2 publication Critical patent/JPH0517615B2/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)
JP58097121A 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 JPS59221840A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP58097121A JPS59221840A (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
DE8484902073T DE3469814D1 (en) 1983-05-31 1984-05-29 Apparatus for driving objective lens of optical disc player
EP84902073A EP0144445B1 (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
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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58097121A JPS59221840A (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
JPS59221840A true JPS59221840A (ja) 1984-12-13
JPH0517615B2 JPH0517615B2 (enrdf_load_stackoverflow) 1993-03-09

Family

ID=14183732

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58097121A Granted JPS59221840A (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) JPS59221840A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6186823U (enrdf_load_stackoverflow) * 1984-11-09 1986-06-06
JPS6459646A (en) * 1987-08-31 1989-03-07 Nippon Denki Home Electronics Objective lens actuator for optical head
US4960321A (en) * 1987-11-13 1990-10-02 Kabushiki Kaisha Toshiba Optical apparatus
JPH02144129U (enrdf_load_stackoverflow) * 1989-05-09 1990-12-06

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6186823U (enrdf_load_stackoverflow) * 1984-11-09 1986-06-06
JPS6459646A (en) * 1987-08-31 1989-03-07 Nippon Denki Home Electronics Objective lens actuator for optical head
US4960321A (en) * 1987-11-13 1990-10-02 Kabushiki Kaisha Toshiba Optical apparatus
JPH02144129U (enrdf_load_stackoverflow) * 1989-05-09 1990-12-06

Also Published As

Publication number Publication date
JPH0517615B2 (enrdf_load_stackoverflow) 1993-03-09

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