JPH054732B2 - - Google Patents

Info

Publication number
JPH054732B2
JPH054732B2 JP57233096A JP23309682A JPH054732B2 JP H054732 B2 JPH054732 B2 JP H054732B2 JP 57233096 A JP57233096 A JP 57233096A JP 23309682 A JP23309682 A JP 23309682A JP H054732 B2 JPH054732 B2 JP H054732B2
Authority
JP
Japan
Prior art keywords
objective lens
fixed
magnetic
coil
optical axis
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
JP57233096A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59124042A (ja
Inventor
Tetsuo Ikegame
Keiji Takegawa
Tooru Musha
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP23309682A priority Critical patent/JPS59124042A/ja
Publication of JPS59124042A publication Critical patent/JPS59124042A/ja
Publication of JPH054732B2 publication Critical patent/JPH054732B2/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)
JP23309682A 1982-12-28 1982-12-28 対物レンズ駆動装置 Granted JPS59124042A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23309682A JPS59124042A (ja) 1982-12-28 1982-12-28 対物レンズ駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23309682A JPS59124042A (ja) 1982-12-28 1982-12-28 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
JPS59124042A JPS59124042A (ja) 1984-07-18
JPH054732B2 true JPH054732B2 (en]) 1993-01-20

Family

ID=16949713

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23309682A Granted JPS59124042A (ja) 1982-12-28 1982-12-28 対物レンズ駆動装置

Country Status (1)

Country Link
JP (1) JPS59124042A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6257154A (ja) * 1985-09-04 1987-03-12 Otani Denki Kk エンドレス再生装置
US5373496A (en) * 1992-11-02 1994-12-13 Matsushita Electric Industrial Co., Ltd. Objective lens actuator having rodlike elastic members supporting U-shaped lens holder
US6069867A (en) * 1994-06-09 2000-05-30 Olympus Optical Company, Ltd. Apparatus for supporting optical system of optical information recording/reproducing apparatus and method of manufacturing the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5161724A (en]) * 1974-11-27 1976-05-28 Nippon Musical Instruments Mfg

Also Published As

Publication number Publication date
JPS59124042A (ja) 1984-07-18

Similar Documents

Publication Publication Date Title
US4479051A (en) Apparatus for driving objective lens in tracking direction
JPH0142053B2 (en])
JPS649659B2 (en])
JPS5812144A (ja) 対物レンズ駆動装置
JPS5864649A (ja) 対物レンズ駆動装置
JPS58182140A (ja) 対物レンズ駆動装置
JPH054732B2 (en])
JPH0132579B2 (en])
JPS5812145A (ja) 対物レンズ駆動装置
JPS639307B2 (en])
JPS59148151A (ja) 情報トラツクの読取り装置
JPH0237129Y2 (en])
JP2503403Y2 (ja) 光学式情報記録再生装置におけるピツクアツプ装置
JPH0614254Y2 (ja) 光学式情報読取装置におけるピックアップ装置
JP2597973B2 (ja) 光学ヘツド装置
JPS621134A (ja) 対物レンズ駆動装置
JP2595712B2 (ja) 光学的記録再生装置
JPS6222246A (ja) 光学ヘツド用内磁型アクチユエ−タ
JPS639309B2 (en])
JPH0640399B2 (ja) 対物レンズ駆動装置の製造方法
JPH0766551B2 (ja) 情報トラックの読取り装置
JPH0450659B2 (en])
JPS58177529A (ja) 情報トラツクの読み取り装置
JPS59104734A (ja) 情報トラツクの読み取り装置
JP2574223B2 (ja) レンズアクチユエ−タ