JPH0519209B2 - - Google Patents

Info

Publication number
JPH0519209B2
JPH0519209B2 JP58134816A JP13481683A JPH0519209B2 JP H0519209 B2 JPH0519209 B2 JP H0519209B2 JP 58134816 A JP58134816 A JP 58134816A JP 13481683 A JP13481683 A JP 13481683A JP H0519209 B2 JPH0519209 B2 JP H0519209B2
Authority
JP
Japan
Prior art keywords
fulcrum shaft
main body
plate
tracking operation
tracking
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
JP58134816A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6028037A (ja
Inventor
Etsutaro Myata
Shigeki Tsuji
Kenzo Nakamura
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 JP13481683A priority Critical patent/JPS6028037A/ja
Publication of JPS6028037A publication Critical patent/JPS6028037A/ja
Publication of JPH0519209B2 publication Critical patent/JPH0519209B2/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

  • Mounting And Adjusting Of Optical Elements (AREA)
  • Optical Recording Or Reproduction (AREA)
JP13481683A 1983-07-22 1983-07-22 光学的情報読取装置 Granted JPS6028037A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13481683A JPS6028037A (ja) 1983-07-22 1983-07-22 光学的情報読取装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13481683A JPS6028037A (ja) 1983-07-22 1983-07-22 光学的情報読取装置

Publications (2)

Publication Number Publication Date
JPS6028037A JPS6028037A (ja) 1985-02-13
JPH0519209B2 true JPH0519209B2 (US06272168-20010807-M00014.png) 1993-03-16

Family

ID=15137154

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13481683A Granted JPS6028037A (ja) 1983-07-22 1983-07-22 光学的情報読取装置

Country Status (1)

Country Link
JP (1) JPS6028037A (US06272168-20010807-M00014.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0648571Y2 (ja) * 1985-10-09 1994-12-12 三菱電機株式会社 光ピツクアツプ装置
JPS62109237A (ja) * 1985-11-08 1987-05-20 Canon Inc 光ヘツド装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57210457A (en) * 1981-06-22 1982-12-24 Sony Corp Objective lense device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57210457A (en) * 1981-06-22 1982-12-24 Sony Corp Objective lense device

Also Published As

Publication number Publication date
JPS6028037A (ja) 1985-02-13

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