JPH0140407B2 - - Google Patents

Info

Publication number
JPH0140407B2
JPH0140407B2 JP57064340A JP6434082A JPH0140407B2 JP H0140407 B2 JPH0140407 B2 JP H0140407B2 JP 57064340 A JP57064340 A JP 57064340A JP 6434082 A JP6434082 A JP 6434082A JP H0140407 B2 JPH0140407 B2 JP H0140407B2
Authority
JP
Japan
Prior art keywords
holding member
coils
objective lens
elastic
disk
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
JP57064340A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58182139A (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 JP6434082A priority Critical patent/JPS58182139A/ja
Publication of JPS58182139A publication Critical patent/JPS58182139A/ja
Publication of JPH0140407B2 publication Critical patent/JPH0140407B2/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

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP6434082A 1982-04-16 1982-04-16 対物レンズ駆動装置 Granted JPS58182139A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6434082A JPS58182139A (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
JP6434082A JPS58182139A (ja) 1982-04-16 1982-04-16 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
JPS58182139A JPS58182139A (ja) 1983-10-25
JPH0140407B2 true JPH0140407B2 (en]) 1989-08-29

Family

ID=13255410

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6434082A Granted JPS58182139A (ja) 1982-04-16 1982-04-16 対物レンズ駆動装置

Country Status (1)

Country Link
JP (1) JPS58182139A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4587466A (en) * 1982-12-09 1986-05-06 Magnetic Peripherals Two axis linear motor for optical focusing and tracking system in optical recording
JPS6069841A (ja) * 1983-09-26 1985-04-20 Toshiba Corp 光学ヘッド装置

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
JPS58182139A (ja) 1983-10-25

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