JPS61133049A - 対物レンズ駆動装置 - Google Patents

対物レンズ駆動装置

Info

Publication number
JPS61133049A
JPS61133049A JP25534184A JP25534184A JPS61133049A JP S61133049 A JPS61133049 A JP S61133049A JP 25534184 A JP25534184 A JP 25534184A JP 25534184 A JP25534184 A JP 25534184A JP S61133049 A JPS61133049 A JP S61133049A
Authority
JP
Japan
Prior art keywords
gravity
center
objective lens
movable part
movable
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
JP25534184A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0576704B2 (enrdf_load_html_response
Inventor
Shinji Morimoto
真司 森本
Eiichi Hanakawa
栄一 花川
Toru Nakamura
徹 中村
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 JP25534184A priority Critical patent/JPS61133049A/ja
Publication of JPS61133049A publication Critical patent/JPS61133049A/ja
Publication of JPH0576704B2 publication Critical patent/JPH0576704B2/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
    • G11B7/0935—Details of the moving parts

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Mechanical Optical Scanning Systems (AREA)
JP25534184A 1984-12-03 1984-12-03 対物レンズ駆動装置 Granted JPS61133049A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25534184A JPS61133049A (ja) 1984-12-03 1984-12-03 対物レンズ駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25534184A JPS61133049A (ja) 1984-12-03 1984-12-03 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
JPS61133049A true JPS61133049A (ja) 1986-06-20
JPH0576704B2 JPH0576704B2 (enrdf_load_html_response) 1993-10-25

Family

ID=17277437

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25534184A Granted JPS61133049A (ja) 1984-12-03 1984-12-03 対物レンズ駆動装置

Country Status (1)

Country Link
JP (1) JPS61133049A (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63271733A (ja) * 1986-12-01 1988-11-09 Crown Kk 光ピックアップの平衡型可動装置
JPH0246918U (enrdf_load_html_response) * 1988-09-22 1990-03-30

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63271733A (ja) * 1986-12-01 1988-11-09 Crown Kk 光ピックアップの平衡型可動装置
JPH0246918U (enrdf_load_html_response) * 1988-09-22 1990-03-30

Also Published As

Publication number Publication date
JPH0576704B2 (enrdf_load_html_response) 1993-10-25

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