JPH0445891B2 - - Google Patents

Info

Publication number
JPH0445891B2
JPH0445891B2 JP59240340A JP24034084A JPH0445891B2 JP H0445891 B2 JPH0445891 B2 JP H0445891B2 JP 59240340 A JP59240340 A JP 59240340A JP 24034084 A JP24034084 A JP 24034084A JP H0445891 B2 JPH0445891 B2 JP H0445891B2
Authority
JP
Japan
Prior art keywords
holder
support shaft
permanent magnet
control coil
focus control
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
JP59240340A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61120354A (ja
Inventor
Kenjiro Kime
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP24034084A priority Critical patent/JPS61120354A/ja
Publication of JPS61120354A publication Critical patent/JPS61120354A/ja
Publication of JPH0445891B2 publication Critical patent/JPH0445891B2/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

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP24034084A 1984-11-14 1984-11-14 光学手段駆動装置 Granted JPS61120354A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24034084A JPS61120354A (ja) 1984-11-14 1984-11-14 光学手段駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24034084A JPS61120354A (ja) 1984-11-14 1984-11-14 光学手段駆動装置

Publications (2)

Publication Number Publication Date
JPS61120354A JPS61120354A (ja) 1986-06-07
JPH0445891B2 true JPH0445891B2 (ru) 1992-07-28

Family

ID=17058026

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24034084A Granted JPS61120354A (ja) 1984-11-14 1984-11-14 光学手段駆動装置

Country Status (1)

Country Link
JP (1) JPS61120354A (ru)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0718016Y2 (ja) * 1986-09-09 1995-04-26 三菱電機株式会社 結像素子駆動装置
JPH0616326B2 (ja) * 1987-05-06 1994-03-02 三菱電機株式会社 対物レンズ駆動装置
JP4750826B2 (ja) * 2008-06-20 2011-08-17 東芝サムスン ストレージ・テクノロジー株式会社 光ピックアップ装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5914132B2 (ja) * 1979-12-22 1984-04-03 アキレス株式会社 断熱材付コンクリ−ト壁材の製造法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5914132U (ja) * 1982-07-14 1984-01-28 パイオニア株式会社 光学式ピツクアツプの駆動装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5914132B2 (ja) * 1979-12-22 1984-04-03 アキレス株式会社 断熱材付コンクリ−ト壁材の製造法

Also Published As

Publication number Publication date
JPS61120354A (ja) 1986-06-07

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term