JPH0435816B2 - - Google Patents

Info

Publication number
JPH0435816B2
JPH0435816B2 JP58211632A JP21163283A JPH0435816B2 JP H0435816 B2 JPH0435816 B2 JP H0435816B2 JP 58211632 A JP58211632 A JP 58211632A JP 21163283 A JP21163283 A JP 21163283A JP H0435816 B2 JPH0435816 B2 JP H0435816B2
Authority
JP
Japan
Prior art keywords
objective lens
lens holder
support shaft
yoke
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
JP58211632A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59223948A (ja
Inventor
Keiji Maruta
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP21163283A priority Critical patent/JPS59223948A/ja
Publication of JPS59223948A publication Critical patent/JPS59223948A/ja
Publication of JPH0435816B2 publication Critical patent/JPH0435816B2/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)
JP21163283A 1983-11-10 1983-11-10 対物レンズ駆動装置 Granted JPS59223948A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21163283A JPS59223948A (ja) 1983-11-10 1983-11-10 対物レンズ駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21163283A JPS59223948A (ja) 1983-11-10 1983-11-10 対物レンズ駆動装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP57215124A Division JPS59104735A (ja) 1982-12-08 1982-12-08 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
JPS59223948A JPS59223948A (ja) 1984-12-15
JPH0435816B2 true JPH0435816B2 (en]) 1992-06-12

Family

ID=16608987

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21163283A Granted JPS59223948A (ja) 1983-11-10 1983-11-10 対物レンズ駆動装置

Country Status (1)

Country Link
JP (1) JPS59223948A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0715756B2 (ja) * 1985-06-12 1995-02-22 松下電器産業株式会社 フォーカス制御装置
JP2659933B2 (ja) * 1985-09-09 1997-09-30 株式会社東芝 光学ヘツド装置
JPS6355214U (en]) * 1986-09-30 1988-04-13
JPS63149416U (en]) * 1987-03-18 1988-10-03

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826087B2 (ja) * 1977-07-25 1983-05-31 日本ビクター株式会社 光学的情報記録媒体円盤の再生装置
JPS6030017B2 (ja) * 1979-03-01 1985-07-13 三菱電機株式会社 ディスク再生装置
JPS5717313U (en]) * 1980-06-27 1982-01-29
JPS6220903Y2 (en]) * 1981-04-22 1987-05-27

Also Published As

Publication number Publication date
JPS59223948A (ja) 1984-12-15

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