JPH0145141B2 - - Google Patents

Info

Publication number
JPH0145141B2
JPH0145141B2 JP57064339A JP6433982A JPH0145141B2 JP H0145141 B2 JPH0145141 B2 JP H0145141B2 JP 57064339 A JP57064339 A JP 57064339A JP 6433982 A JP6433982 A JP 6433982A JP H0145141 B2 JPH0145141 B2 JP H0145141B2
Authority
JP
Japan
Prior art keywords
holding member
coils
objective lens
information track
elastic
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
JP57064339A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58182138A (ja
Inventor
Masayuki Ito
Tsuneo Hirose
Shinichi Tanaka
Hiroyuki Nakamura
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 JP6433982A priority Critical patent/JPS58182138A/ja
Publication of JPS58182138A publication Critical patent/JPS58182138A/ja
Publication of JPH0145141B2 publication Critical patent/JPH0145141B2/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
    • G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP6433982A 1982-04-16 1982-04-16 対物レンズ駆動装置 Granted JPS58182138A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6433982A JPS58182138A (ja) 1982-04-16 1982-04-16 対物レンズ駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6433982A JPS58182138A (ja) 1982-04-16 1982-04-16 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
JPS58182138A JPS58182138A (ja) 1983-10-25
JPH0145141B2 true JPH0145141B2 (en]) 1989-10-02

Family

ID=13255379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6433982A Granted JPS58182138A (ja) 1982-04-16 1982-04-16 対物レンズ駆動装置

Country Status (1)

Country Link
JP (1) JPS58182138A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6069841A (ja) * 1983-09-26 1985-04-20 Toshiba Corp 光学ヘッド装置
JP4783671B2 (ja) * 2006-05-24 2011-09-28 株式会社日立メディアエレクトロニクス 光ピックアップ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819743A (ja) * 1981-07-24 1983-02-04 Pioneer Video Corp 記録情報読取装置における光学系駆動装置

Also Published As

Publication number Publication date
JPS58182138A (ja) 1983-10-25

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