FR2369647A1 - Procede et appareil de capture de piste magnetique - Google Patents

Procede et appareil de capture de piste magnetique

Info

Publication number
FR2369647A1
FR2369647A1 FR7732138A FR7732138A FR2369647A1 FR 2369647 A1 FR2369647 A1 FR 2369647A1 FR 7732138 A FR7732138 A FR 7732138A FR 7732138 A FR7732138 A FR 7732138A FR 2369647 A1 FR2369647 A1 FR 2369647A1
Authority
FR
France
Prior art keywords
track
polarity
head
capture
search
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
FR7732138A
Other languages
English (en)
French (fr)
Other versions
FR2369647B1 (enExample
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of FR2369647A1 publication Critical patent/FR2369647A1/fr
Application granted granted Critical
Publication of FR2369647B1 publication Critical patent/FR2369647B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5547—"Seek" control and circuits therefor

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Control Of Position Or Direction (AREA)
FR7732138A 1976-10-26 1977-10-25 Procede et appareil de capture de piste magnetique Granted FR2369647A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/735,851 US4134053A (en) 1976-10-26 1976-10-26 Method and means for capturing magnetic tracks

Publications (2)

Publication Number Publication Date
FR2369647A1 true FR2369647A1 (fr) 1978-05-26
FR2369647B1 FR2369647B1 (enExample) 1984-06-29

Family

ID=24957462

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7732138A Granted FR2369647A1 (fr) 1976-10-26 1977-10-25 Procede et appareil de capture de piste magnetique

Country Status (4)

Country Link
US (1) US4134053A (enExample)
JP (1) JPS6028071B2 (enExample)
CA (1) CA1105136A (enExample)
FR (1) FR2369647A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520144A1 (fr) * 1982-01-16 1983-07-22 Sony Corp Procede et appareil de lecture, optiques
WO1986007179A1 (en) * 1985-05-28 1986-12-04 Eastman Kodak Company Unambiguously tracking a data track in response to signals derived from the track data itself
EP0263962A3 (en) * 1986-10-14 1989-05-31 Hewlett-Packard Company Method and apparatus for an improved sampled servo seek and track follow disc drive

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4263627A (en) * 1979-06-18 1981-04-21 Sperry Rand Corporation Electronic tachometer
US4329721A (en) * 1980-02-11 1982-05-11 Sperry Corporation Tachometer for deriving average velocity output by sampling position signal
US4415939A (en) * 1981-04-27 1983-11-15 Iomega Corporation Head positioning servo for disk drive
US4484118A (en) * 1981-08-29 1984-11-20 Toshiba Kikai Kabushiki Kaisha Method and apparatus for measuring a workpiece
US4480217A (en) * 1982-12-14 1984-10-30 Storage Technology Corporation Automatic velocity calibrator for a velocity servo loop in a magnetic disk drive
US4599547A (en) * 1984-10-23 1986-07-08 Ncr Canada Ltd-Ncr Canada Ltee Fine-coarse positioning control system with easy adjustment
JP2611049B2 (ja) * 1991-02-06 1997-05-21 富士通株式会社 追従制御装置の整定監視方式
US5291110A (en) * 1991-10-31 1994-03-01 Integral Peripherals, Inc. Low acoustic noise seeking method and apparatus
CN114721603B (zh) * 2022-06-10 2022-08-26 浙江豪联信息科技有限公司 避免磁盘漂移的电数据处理识别方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906326A (en) * 1970-06-03 1975-09-16 Caelus Memories Inc Fine and coarse track positioning system for a transducer in a magnetic recording system
US3663880A (en) * 1970-09-14 1972-05-16 Diablo Systems Inc Apparatus for controlling the relative position between two relatively movable members
US4006394A (en) * 1972-08-21 1977-02-01 Information Storage Systems, Inc. Coarse and fine control for position servo
US3812533A (en) * 1972-12-22 1974-05-21 Vermont Res Corp Information storage unit transducer positioning system
US3864740A (en) * 1973-11-05 1975-02-04 Information Storage Systems Track following servo system
US4030132A (en) * 1975-03-27 1977-06-14 Memorex Corporation Dual mode velocity servo control for a linear actuator motor
JPS582427B2 (ja) * 1975-10-09 1983-01-17 富士通株式会社 ジキデイスクソウチ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520144A1 (fr) * 1982-01-16 1983-07-22 Sony Corp Procede et appareil de lecture, optiques
WO1986007179A1 (en) * 1985-05-28 1986-12-04 Eastman Kodak Company Unambiguously tracking a data track in response to signals derived from the track data itself
EP0263962A3 (en) * 1986-10-14 1989-05-31 Hewlett-Packard Company Method and apparatus for an improved sampled servo seek and track follow disc drive

Also Published As

Publication number Publication date
JPS6028071B2 (ja) 1985-07-02
FR2369647B1 (enExample) 1984-06-29
JPS5354007A (en) 1978-05-17
US4134053A (en) 1979-01-09
CA1105136A (en) 1981-07-14

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Legal Events

Date Code Title Description
ST Notification of lapse