JPH0320820B2 - - Google Patents

Info

Publication number
JPH0320820B2
JPH0320820B2 JP9348382A JP9348382A JPH0320820B2 JP H0320820 B2 JPH0320820 B2 JP H0320820B2 JP 9348382 A JP9348382 A JP 9348382A JP 9348382 A JP9348382 A JP 9348382A JP H0320820 B2 JPH0320820 B2 JP H0320820B2
Authority
JP
Japan
Prior art keywords
optical system
sub
arm
center
disk surface
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
JP9348382A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58211329A (ja
Inventor
Juji Ikeda
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.)
Foster Electric Co Ltd
Original Assignee
Foster 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 Foster Electric Co Ltd filed Critical Foster Electric Co Ltd
Priority to JP9348382A priority Critical patent/JPS58211329A/ja
Publication of JPS58211329A publication Critical patent/JPS58211329A/ja
Publication of JPH0320820B2 publication Critical patent/JPH0320820B2/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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08576—Swinging-arm positioners

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Automatic Focus Adjustment (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP9348382A 1982-05-31 1982-05-31 光学系駆動装置 Granted JPS58211329A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9348382A JPS58211329A (ja) 1982-05-31 1982-05-31 光学系駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9348382A JPS58211329A (ja) 1982-05-31 1982-05-31 光学系駆動装置

Publications (2)

Publication Number Publication Date
JPS58211329A JPS58211329A (ja) 1983-12-08
JPH0320820B2 true JPH0320820B2 (fr) 1991-03-20

Family

ID=14083589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9348382A Granted JPS58211329A (ja) 1982-05-31 1982-05-31 光学系駆動装置

Country Status (1)

Country Link
JP (1) JPS58211329A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0400570A3 (fr) * 1989-05-30 1991-04-24 Kabushiki Kaisha Toshiba Système optique pour le traitement des informations
US5461598A (en) * 1992-09-18 1995-10-24 Eastman Kodak Company Balanced focus actuator for an optical storage system

Also Published As

Publication number Publication date
JPS58211329A (ja) 1983-12-08

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