JPS6022741A - 対物レンズ駆動装置 - Google Patents

対物レンズ駆動装置

Info

Publication number
JPS6022741A
JPS6022741A JP13210183A JP13210183A JPS6022741A JP S6022741 A JPS6022741 A JP S6022741A JP 13210183 A JP13210183 A JP 13210183A JP 13210183 A JP13210183 A JP 13210183A JP S6022741 A JPS6022741 A JP S6022741A
Authority
JP
Japan
Prior art keywords
objective lens
control coil
gap
tracking
yoke
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
JP13210183A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6319938B2 (en]
Inventor
Yoshihiro Sekimoto
芳宏 関本
Shigeo Terajima
寺島　重男
Kiyoshi Kumada
清 熊田
Toshiyuki Tanaka
利之 田中
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP13210183A priority Critical patent/JPS6022741A/ja
Publication of JPS6022741A publication Critical patent/JPS6022741A/ja
Publication of JPS6319938B2 publication Critical patent/JPS6319938B2/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)
JP13210183A 1983-07-19 1983-07-19 対物レンズ駆動装置 Granted JPS6022741A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13210183A JPS6022741A (ja) 1983-07-19 1983-07-19 対物レンズ駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13210183A JPS6022741A (ja) 1983-07-19 1983-07-19 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
JPS6022741A true JPS6022741A (ja) 1985-02-05
JPS6319938B2 JPS6319938B2 (en]) 1988-04-25

Family

ID=15073482

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13210183A Granted JPS6022741A (ja) 1983-07-19 1983-07-19 対物レンズ駆動装置

Country Status (1)

Country Link
JP (1) JPS6022741A (en])

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6218823U (en]) * 1985-07-15 1987-02-04
JPS6263824U (en]) * 1985-10-08 1987-04-21
JPS63104228A (ja) * 1986-10-13 1988-05-09 エヌ・ベー・フィリップス・フルーイランペンファブリケン 光電装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6218823U (en]) * 1985-07-15 1987-02-04
JPS6263824U (en]) * 1985-10-08 1987-04-21
JPS63104228A (ja) * 1986-10-13 1988-05-09 エヌ・ベー・フィリップス・フルーイランペンファブリケン 光電装置

Also Published As

Publication number Publication date
JPS6319938B2 (en]) 1988-04-25

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