JPS59188848A - 光ピツクアツプ装置 - Google Patents

光ピツクアツプ装置

Info

Publication number
JPS59188848A
JPS59188848A JP58062437A JP6243783A JPS59188848A JP S59188848 A JPS59188848 A JP S59188848A JP 58062437 A JP58062437 A JP 58062437A JP 6243783 A JP6243783 A JP 6243783A JP S59188848 A JPS59188848 A JP S59188848A
Authority
JP
Japan
Prior art keywords
optical pickup
elastic member
objective lens
parts
focus
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
JP58062437A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0349136B2 (cs
Inventor
Kanji Nishii
西井　完治
Akifumi Nakada
中田　彬史
Akihiro Sakaguchi
彰洋 坂口
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 JP58062437A priority Critical patent/JPS59188848A/ja
Publication of JPS59188848A publication Critical patent/JPS59188848A/ja
Publication of JPH0349136B2 publication Critical patent/JPH0349136B2/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

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP58062437A 1983-04-08 1983-04-08 光ピツクアツプ装置 Granted JPS59188848A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58062437A JPS59188848A (ja) 1983-04-08 1983-04-08 光ピツクアツプ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58062437A JPS59188848A (ja) 1983-04-08 1983-04-08 光ピツクアツプ装置

Publications (2)

Publication Number Publication Date
JPS59188848A true JPS59188848A (ja) 1984-10-26
JPH0349136B2 JPH0349136B2 (cs) 1991-07-26

Family

ID=13200165

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58062437A Granted JPS59188848A (ja) 1983-04-08 1983-04-08 光ピツクアツプ装置

Country Status (1)

Country Link
JP (1) JPS59188848A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63181107U (cs) * 1987-05-12 1988-11-22

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58158047A (ja) * 1982-03-15 1983-09-20 Matsushita Electric Ind Co Ltd 光学情報再生ヘツド

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58158047A (ja) * 1982-03-15 1983-09-20 Matsushita Electric Ind Co Ltd 光学情報再生ヘツド

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63181107U (cs) * 1987-05-12 1988-11-22

Also Published As

Publication number Publication date
JPH0349136B2 (cs) 1991-07-26

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