JPS6212570B2 - - Google Patents

Info

Publication number
JPS6212570B2
JPS6212570B2 JP9624981A JP9624981A JPS6212570B2 JP S6212570 B2 JPS6212570 B2 JP S6212570B2 JP 9624981 A JP9624981 A JP 9624981A JP 9624981 A JP9624981 A JP 9624981A JP S6212570 B2 JPS6212570 B2 JP S6212570B2
Authority
JP
Japan
Prior art keywords
objective lens
lens holding
coil
holding cylinder
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.)
Expired
Application number
JP9624981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57210457A (en
Inventor
Hajime Yano
Katsuaki Tsurushima
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 JP9624981A priority Critical patent/JPS57210457A/ja
Publication of JPS57210457A publication Critical patent/JPS57210457A/ja
Publication of JPS6212570B2 publication Critical patent/JPS6212570B2/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)
JP9624981A 1981-06-22 1981-06-22 Objective lense device Granted JPS57210457A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9624981A JPS57210457A (en) 1981-06-22 1981-06-22 Objective lense device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9624981A JPS57210457A (en) 1981-06-22 1981-06-22 Objective lense device

Publications (2)

Publication Number Publication Date
JPS57210457A JPS57210457A (en) 1982-12-24
JPS6212570B2 true JPS6212570B2 (cs) 1987-03-19

Family

ID=14159938

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9624981A Granted JPS57210457A (en) 1981-06-22 1981-06-22 Objective lense device

Country Status (1)

Country Link
JP (1) JPS57210457A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02151550A (ja) * 1988-11-30 1990-06-11 Fujitsu Ten Ltd ワイパ制御装置

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6015835A (ja) * 1983-07-05 1985-01-26 Mitsubishi Electric Corp 光学手段駆動装置
JPS6028040A (ja) * 1983-07-22 1985-02-13 Sharp Corp 光学的情報読取装置
JPS6028037A (ja) * 1983-07-22 1985-02-13 Sharp Corp 光学的情報読取装置
JPS6047128U (ja) * 1983-09-08 1985-04-03 三洋電機株式会社 対物レンズ駆動装置
JPS6080516U (ja) * 1983-11-05 1985-06-04 ソニー株式会社 光学ピツクアツプ装置の対物レンズ駆動装置
JPS60102729U (ja) * 1983-12-20 1985-07-13 シャープ株式会社 レンズ駆動装置
JPS60136926A (ja) * 1983-12-26 1985-07-20 Sharp Corp 対物レンズ駆動装置
JPH0612577B2 (ja) * 1983-12-27 1994-02-16 株式会社東芝 対物レンズ駆動装置
JPS60194718U (ja) * 1984-06-05 1985-12-25 シャープ株式会社 対物レンズ装置
JPS613334A (ja) * 1984-06-14 1986-01-09 Sharp Corp 対物レンズ駆動装置
JPH045058Y2 (cs) * 1984-12-28 1992-02-13
JPS63135521U (cs) * 1986-09-25 1988-09-06
JPH0294126A (ja) * 1988-09-30 1990-04-04 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置
CN110286460B (zh) * 2019-07-15 2021-03-26 西安应用光学研究所 一种连续变焦镜头用单边定位凸轮驱动机构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02151550A (ja) * 1988-11-30 1990-06-11 Fujitsu Ten Ltd ワイパ制御装置

Also Published As

Publication number Publication date
JPS57210457A (en) 1982-12-24

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