JPS635808B2 - - Google Patents

Info

Publication number
JPS635808B2
JPS635808B2 JP3850782A JP3850782A JPS635808B2 JP S635808 B2 JPS635808 B2 JP S635808B2 JP 3850782 A JP3850782 A JP 3850782A JP 3850782 A JP3850782 A JP 3850782A JP S635808 B2 JPS635808 B2 JP S635808B2
Authority
JP
Japan
Prior art keywords
tracking
piece
focus
permanent magnet
optical pickup
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
JP3850782A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58155531A (ja
Inventor
Tsutomu Matsui
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.)
Akai Electric Co Ltd
Original Assignee
Akai Electric 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 Akai Electric Co Ltd filed Critical Akai Electric Co Ltd
Priority to JP3850782A priority Critical patent/JPS58155531A/ja
Publication of JPS58155531A publication Critical patent/JPS58155531A/ja
Publication of JPS635808B2 publication Critical patent/JPS635808B2/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)
JP3850782A 1982-03-11 1982-03-11 光ピツクアツプ装置の対物レンズ上下左右移動装置 Granted JPS58155531A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3850782A JPS58155531A (ja) 1982-03-11 1982-03-11 光ピツクアツプ装置の対物レンズ上下左右移動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3850782A JPS58155531A (ja) 1982-03-11 1982-03-11 光ピツクアツプ装置の対物レンズ上下左右移動装置

Publications (2)

Publication Number Publication Date
JPS58155531A JPS58155531A (ja) 1983-09-16
JPS635808B2 true JPS635808B2 (en]) 1988-02-05

Family

ID=12527178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3850782A Granted JPS58155531A (ja) 1982-03-11 1982-03-11 光ピツクアツプ装置の対物レンズ上下左右移動装置

Country Status (1)

Country Link
JP (1) JPS58155531A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8303700A (nl) * 1983-10-27 1985-05-17 Philips Nv Electro-optische inrichting.
JP2502498B2 (ja) * 1984-11-20 1996-05-29 松下電器産業株式会社 対物レンズ支持装置

Also Published As

Publication number Publication date
JPS58155531A (ja) 1983-09-16

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