JPS58211333A - 対物レンズ駆動装置 - Google Patents

対物レンズ駆動装置

Info

Publication number
JPS58211333A
JPS58211333A JP57094506A JP9450682A JPS58211333A JP S58211333 A JPS58211333 A JP S58211333A JP 57094506 A JP57094506 A JP 57094506A JP 9450682 A JP9450682 A JP 9450682A JP S58211333 A JPS58211333 A JP S58211333A
Authority
JP
Japan
Prior art keywords
objective lens
holding member
information
elastic
drive device
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
JP57094506A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0150012B2 (forum.php
Inventor
Masayuki Ito
正之 伊藤
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 JP57094506A priority Critical patent/JPS58211333A/ja
Publication of JPS58211333A publication Critical patent/JPS58211333A/ja
Publication of JPH0150012B2 publication Critical patent/JPH0150012B2/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
    • G11B7/0932—Details of sprung supports

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP57094506A 1982-06-01 1982-06-01 対物レンズ駆動装置 Granted JPS58211333A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57094506A JPS58211333A (ja) 1982-06-01 1982-06-01 対物レンズ駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57094506A JPS58211333A (ja) 1982-06-01 1982-06-01 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
JPS58211333A true JPS58211333A (ja) 1983-12-08
JPH0150012B2 JPH0150012B2 (forum.php) 1989-10-26

Family

ID=14112196

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57094506A Granted JPS58211333A (ja) 1982-06-01 1982-06-01 対物レンズ駆動装置

Country Status (1)

Country Link
JP (1) JPS58211333A (forum.php)

Cited By (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
JPS6236736A (ja) * 1985-08-12 1987-02-17 Pioneer Electronic Corp 光学式ピツクアツプ装置

Cited By (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
JPS6236736A (ja) * 1985-08-12 1987-02-17 Pioneer Electronic Corp 光学式ピツクアツプ装置

Also Published As

Publication number Publication date
JPH0150012B2 (forum.php) 1989-10-26

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