JPS581837A - 光記録再生装置 - Google Patents

光記録再生装置

Info

Publication number
JPS581837A
JPS581837A JP56097502A JP9750281A JPS581837A JP S581837 A JPS581837 A JP S581837A JP 56097502 A JP56097502 A JP 56097502A JP 9750281 A JP9750281 A JP 9750281A JP S581837 A JPS581837 A JP S581837A
Authority
JP
Japan
Prior art keywords
attached
floating element
shift
bar
objective lens
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
JP56097502A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6212571B2 (enrdf_load_stackoverflow
Inventor
Tsutomu Matsui
勉 松井
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 JP56097502A priority Critical patent/JPS581837A/ja
Publication of JPS581837A publication Critical patent/JPS581837A/ja
Publication of JPS6212571B2 publication Critical patent/JPS6212571B2/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
    • 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
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic recording

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Automatic Focus Adjustment (AREA)
JP56097502A 1981-06-25 1981-06-25 光記録再生装置 Granted JPS581837A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56097502A JPS581837A (ja) 1981-06-25 1981-06-25 光記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56097502A JPS581837A (ja) 1981-06-25 1981-06-25 光記録再生装置

Publications (2)

Publication Number Publication Date
JPS581837A true JPS581837A (ja) 1983-01-07
JPS6212571B2 JPS6212571B2 (enrdf_load_stackoverflow) 1987-03-19

Family

ID=14194032

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56097502A Granted JPS581837A (ja) 1981-06-25 1981-06-25 光記録再生装置

Country Status (1)

Country Link
JP (1) JPS581837A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852645U (ja) * 1981-10-06 1983-04-09 フオスタ−電機株式会社 対物レンズ駆動装置
US4838649A (en) * 1986-12-12 1989-06-13 Hitachi, Ltd. Apparatus for driving objective lens
US4861847A (en) * 1985-04-01 1989-08-29 Beijing Research Institute Of Chemical Industry Catalyst system for use in olefinic polymerization

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852645U (ja) * 1981-10-06 1983-04-09 フオスタ−電機株式会社 対物レンズ駆動装置
US4861847A (en) * 1985-04-01 1989-08-29 Beijing Research Institute Of Chemical Industry Catalyst system for use in olefinic polymerization
US4838649A (en) * 1986-12-12 1989-06-13 Hitachi, Ltd. Apparatus for driving objective lens

Also Published As

Publication number Publication date
JPS6212571B2 (enrdf_load_stackoverflow) 1987-03-19

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