JPS59139150A - 光ピックアップ - Google Patents

光ピックアップ

Info

Publication number
JPS59139150A
JPS59139150A JP58011126A JP1112683A JPS59139150A JP S59139150 A JPS59139150 A JP S59139150A JP 58011126 A JP58011126 A JP 58011126A JP 1112683 A JP1112683 A JP 1112683A JP S59139150 A JPS59139150 A JP S59139150A
Authority
JP
Japan
Prior art keywords
support member
tracking
optical pickup
lens barrel
magnetic circuit
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
JP58011126A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0363137B2 (enrdf_load_stackoverflow
Inventor
Kanji Nishii
西井　完治
Yoichi Saito
陽一 斉藤
Masuo Maruyama
益生 丸山
Yasuhisa Fukushima
安久 福嶋
Kazuharu Shiragami
白神　和治
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP58011126A priority Critical patent/JPS59139150A/ja
Publication of JPS59139150A publication Critical patent/JPS59139150A/ja
Publication of JPH0363137B2 publication Critical patent/JPH0363137B2/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
    • 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)
  • Automatic Focus Adjustment (AREA)
JP58011126A 1983-01-25 1983-01-25 光ピックアップ Granted JPS59139150A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58011126A JPS59139150A (ja) 1983-01-25 1983-01-25 光ピックアップ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58011126A JPS59139150A (ja) 1983-01-25 1983-01-25 光ピックアップ

Publications (2)

Publication Number Publication Date
JPS59139150A true JPS59139150A (ja) 1984-08-09
JPH0363137B2 JPH0363137B2 (enrdf_load_stackoverflow) 1991-09-30

Family

ID=11769320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58011126A Granted JPS59139150A (ja) 1983-01-25 1983-01-25 光ピックアップ

Country Status (1)

Country Link
JP (1) JPS59139150A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0363137B2 (enrdf_load_stackoverflow) 1991-09-30

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