JPH0437487B2 - - Google Patents

Info

Publication number
JPH0437487B2
JPH0437487B2 JP59158307A JP15830784A JPH0437487B2 JP H0437487 B2 JPH0437487 B2 JP H0437487B2 JP 59158307 A JP59158307 A JP 59158307A JP 15830784 A JP15830784 A JP 15830784A JP H0437487 B2 JPH0437487 B2 JP H0437487B2
Authority
JP
Japan
Prior art keywords
objective lens
tracking
optical axis
leaf spring
focusing
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
JP59158307A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60121542A (ja
Inventor
Takashi Hamaoka
Shunpei Tanaka
Tooru Musha
Kenichi Ooikami
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 JP15830784A priority Critical patent/JPS60121542A/ja
Publication of JPS60121542A publication Critical patent/JPS60121542A/ja
Publication of JPH0437487B2 publication Critical patent/JPH0437487B2/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

  • Optical Recording Or Reproduction (AREA)
JP15830784A 1984-07-28 1984-07-28 対物レンズ支持装置 Granted JPS60121542A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15830784A JPS60121542A (ja) 1984-07-28 1984-07-28 対物レンズ支持装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15830784A JPS60121542A (ja) 1984-07-28 1984-07-28 対物レンズ支持装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP5436778A Division JPS54146612A (en) 1978-05-10 1978-05-10 Optical information read device

Publications (2)

Publication Number Publication Date
JPS60121542A JPS60121542A (ja) 1985-06-29
JPH0437487B2 true JPH0437487B2 (en]) 1992-06-19

Family

ID=15668766

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15830784A Granted JPS60121542A (ja) 1984-07-28 1984-07-28 対物レンズ支持装置

Country Status (1)

Country Link
JP (1) JPS60121542A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7049530B2 (en) 2000-11-08 2006-05-23 Atryz Yodogawa Co., Ltd. Key top and method for manufacture thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5415073Y2 (en]) * 1975-12-04 1979-06-19
JPS5824262Y2 (ja) * 1976-04-30 1983-05-24 オリンパス光学工業株式会社 自動焦点装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7049530B2 (en) 2000-11-08 2006-05-23 Atryz Yodogawa Co., Ltd. Key top and method for manufacture thereof

Also Published As

Publication number Publication date
JPS60121542A (ja) 1985-06-29

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