DE69119443D1 - Servosteuerungssystem - Google Patents

Servosteuerungssystem

Info

Publication number
DE69119443D1
DE69119443D1 DE69119443T DE69119443T DE69119443D1 DE 69119443 D1 DE69119443 D1 DE 69119443D1 DE 69119443 T DE69119443 T DE 69119443T DE 69119443 T DE69119443 T DE 69119443T DE 69119443 D1 DE69119443 D1 DE 69119443D1
Authority
DE
Germany
Prior art keywords
control system
servo control
servo
control
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 - Fee Related
Application number
DE69119443T
Other languages
English (en)
Other versions
DE69119443T2 (de
Inventor
Masahiro Morisada
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP3388890A external-priority patent/JP2593230B2/ja
Priority claimed from JP884991A external-priority patent/JPH04252474A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69119443D1 publication Critical patent/DE69119443D1/de
Application granted granted Critical
Publication of DE69119443T2 publication Critical patent/DE69119443T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
DE1991619443 1990-02-16 1991-02-15 Servosteuerungssystem Expired - Fee Related DE69119443T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3388890A JP2593230B2 (ja) 1990-02-16 1990-02-16 ディスク駆動装置
JP884991A JPH04252474A (ja) 1991-01-29 1991-01-29 情報記録再生装置

Publications (2)

Publication Number Publication Date
DE69119443D1 true DE69119443D1 (de) 1996-06-20
DE69119443T2 DE69119443T2 (de) 1996-10-02

Family

ID=26343450

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1991619443 Expired - Fee Related DE69119443T2 (de) 1990-02-16 1991-02-15 Servosteuerungssystem

Country Status (2)

Country Link
EP (1) EP0442751B1 (de)
DE (1) DE69119443T2 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4882526A (en) * 1986-08-12 1989-11-21 Kabushiki Kaisha Toshiba Adaptive process control system
US4894599A (en) * 1988-03-31 1990-01-16 International Business Machines Corporation deadbeat control of disk drive actuator

Also Published As

Publication number Publication date
EP0442751A2 (de) 1991-08-21
EP0442751B1 (de) 1996-05-15
EP0442751A3 (en) 1991-11-13
DE69119443T2 (de) 1996-10-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee