JPS6028037A - 光学的情報読取装置 - Google Patents

光学的情報読取装置

Info

Publication number
JPS6028037A
JPS6028037A JP13481683A JP13481683A JPS6028037A JP S6028037 A JPS6028037 A JP S6028037A JP 13481683 A JP13481683 A JP 13481683A JP 13481683 A JP13481683 A JP 13481683A JP S6028037 A JPS6028037 A JP S6028037A
Authority
JP
Japan
Prior art keywords
focusing
magnet
coil
yoke
fulcrum shaft
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
JP13481683A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0519209B2 (en]
Inventor
Etsutaro Miyata
宮田　悦太郎
Shigeki Tsuji
重樹 辻
Kenzo Nakamura
中村　謙三
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

  • Optical Recording Or Reproduction (AREA)
  • Mounting And Adjusting Of Optical Elements (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 true JPS6028037A (ja) 1985-02-13
JPH0519209B2 JPH0519209B2 (en]) 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 (en])

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6263828U (en]) * 1985-10-09 1987-04-21
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6263828U (en]) * 1985-10-09 1987-04-21
JPS62109237A (ja) * 1985-11-08 1987-05-20 Canon Inc 光ヘツド装置

Also Published As

Publication number Publication date
JPH0519209B2 (en]) 1993-03-16

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