JPS6343816B2 - - Google Patents

Info

Publication number
JPS6343816B2
JPS6343816B2 JP57008030A JP803082A JPS6343816B2 JP S6343816 B2 JPS6343816 B2 JP S6343816B2 JP 57008030 A JP57008030 A JP 57008030A JP 803082 A JP803082 A JP 803082A JP S6343816 B2 JPS6343816 B2 JP S6343816B2
Authority
JP
Japan
Prior art keywords
magnetic
magnetic member
lens barrel
winding
outer frame
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
JP57008030A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58125240A (ja
Inventor
Tadashi Takahashi
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP803082A priority Critical patent/JPS58125240A/ja
Publication of JPS58125240A publication Critical patent/JPS58125240A/ja
Publication of JPS6343816B2 publication Critical patent/JPS6343816B2/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)
JP803082A 1982-01-21 1982-01-21 光デイスク用ピックアップ Granted JPS58125240A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP803082A JPS58125240A (ja) 1982-01-21 1982-01-21 光デイスク用ピックアップ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP803082A JPS58125240A (ja) 1982-01-21 1982-01-21 光デイスク用ピックアップ

Publications (2)

Publication Number Publication Date
JPS58125240A JPS58125240A (ja) 1983-07-26
JPS6343816B2 true JPS6343816B2 (en]) 1988-09-01

Family

ID=11681935

Family Applications (1)

Application Number Title Priority Date Filing Date
JP803082A Granted JPS58125240A (ja) 1982-01-21 1982-01-21 光デイスク用ピックアップ

Country Status (1)

Country Link
JP (1) JPS58125240A (en])

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5788534A (en) * 1980-11-22 1982-06-02 Matsushita Electric Ind Co Ltd Controller for light converging position

Also Published As

Publication number Publication date
JPS58125240A (ja) 1983-07-26

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