DE3162544D1 - Automatic track following system - Google Patents

Automatic track following system

Info

Publication number
DE3162544D1
DE3162544D1 DE8181100026T DE3162544T DE3162544D1 DE 3162544 D1 DE3162544 D1 DE 3162544D1 DE 8181100026 T DE8181100026 T DE 8181100026T DE 3162544 T DE3162544 T DE 3162544T DE 3162544 D1 DE3162544 D1 DE 3162544D1
Authority
DE
Germany
Prior art keywords
following system
track following
automatic track
automatic
track
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
DE8181100026T
Other languages
English (en)
Inventor
Kenji Kimura
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Application granted granted Critical
Publication of DE3162544D1 publication Critical patent/DE3162544D1/de
Expired 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
    • G11B5/58—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
DE8181100026T 1980-01-18 1981-01-07 Automatic track following system Expired DE3162544D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP429780A JPS56101622A (en) 1980-01-18 1980-01-18 Autotracking system

Publications (1)

Publication Number Publication Date
DE3162544D1 true DE3162544D1 (en) 1984-04-19

Family

ID=11580573

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181100026T Expired DE3162544D1 (en) 1980-01-18 1981-01-07 Automatic track following system

Country Status (4)

Country Link
US (1) US4347534A (de)
EP (1) EP0032660B1 (de)
JP (1) JPS56101622A (de)
DE (1) DE3162544D1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3112886A1 (de) * 1981-03-31 1982-10-14 Tandberg Data A/S, Oslo Verfahren zum erkennen einer kante eines magnetischen mediums und vorrichtung zur druchfuehrung des verfahrens
US4556920A (en) * 1982-12-10 1985-12-03 Canon Kabushiki Kaisha Reproduction device
US4561028A (en) * 1983-08-18 1985-12-24 Sony Corporation Apparatus and method for reading and writing data on a magnetic disc
JPS60125916A (ja) 1983-12-12 1985-07-05 Toshiba Corp ヘッド位置制御装置
DE3347632A1 (de) * 1983-12-30 1985-07-11 Tandberg Data A/S, Oslo Anordnung zum positionieren eines wandlers auf mindestens einer spur eines bandfoermigen aufzeichnungstraegers
US4587581A (en) * 1985-01-07 1986-05-06 Datatape, Inc. Magnetic tape tracking control apparatus
US4611249A (en) * 1985-05-03 1986-09-09 Eastman Kodak Company Flux sensitive tracking
US4670800A (en) * 1985-05-03 1987-06-02 Eastman Kodak Company Edge guided magnetic tape tracking
US4652945A (en) * 1985-05-03 1987-03-24 Eastman Kodak Company Flux sensitive tracking
US4685013A (en) * 1985-08-22 1987-08-04 Pericomp Corp. Magnetic tape head alignment system
US4675760A (en) * 1986-03-11 1987-06-23 Ampex Corporation Information signal recording and/or playback system and method using a prerecorded reference track
US4786984A (en) * 1986-12-05 1988-11-22 Minnesota Mining And Manufacturing Company Method and apparatus for locating the edge of a magnetic tape
US4945438A (en) * 1987-04-24 1990-07-31 Fuji Photo Film Co., Ltd. Combined magnetic head
DE3714986A1 (de) * 1987-05-06 1988-11-17 Thomson Brandt Gmbh Recorder mit spurfuehrung
US4979051A (en) * 1988-03-22 1990-12-18 Eggebeen James A Bimodal multi-track magnetic head
US4975791A (en) * 1988-03-22 1990-12-04 Carlisle Memory Products Group Incorporated Recording system having head transducers with controlled skew
EP0383957B1 (de) * 1989-01-27 1994-10-12 Tandberg Data A/S Verfahren und Anordnung zum Positionieren eines Magnetkopfes eines Magnetschichtspeichers
US5055951A (en) * 1989-03-10 1991-10-08 Irwin Magnetic Systems, Inc. Method and apparatus for servo-positioning movable transducer heads
US5262908A (en) * 1990-02-20 1993-11-16 Sharp Kabushiki Kaisha Tracking control device for magnetic recording/reproducing apparatus
DE4027194C2 (de) * 1990-08-28 1995-03-09 Tandberg Data Verfahren und Anordnung zum Positionieren eines Magnetkopfes eines Magnetschichtspeichers
KR920020488A (ko) * 1991-04-12 1992-11-21 더글라스 엠 길버어트 신호 레코더에서의 삽입 편집을 자동으로 적절하게 실행하는 1채널 방법 및 장치
EP0508366B1 (de) * 1991-04-12 1997-06-11 Sharp Kabushiki Kaisha Aufbau zur Positionierung eines magnetischen Kopfes
KR920020475A (ko) * 1991-04-12 1992-11-21 더글라스 엠 길버어트 신호 레코더에서의 삽입 편집을 자동으로 적절하게 실행하는 2채널 방법 및 장치
US5294803A (en) * 1991-12-30 1994-03-15 Tandberg Data A/S System and a method for optically detecting an edge of a tape
US5229620A (en) * 1991-12-31 1993-07-20 Tandberg Data A/S System for integrated tape hole detection by detecting an edge of the tape and/or a pattern on the tape
US5325246A (en) * 1992-06-01 1994-06-28 Datatape Incorporated Automatic tracking method for helical scan magnetic tape recorder using reproduced timing signal to sample two out-of-phase reference signals
US5689384A (en) 1994-06-30 1997-11-18 International Business Machines Corporation Timing based servo system for magnetic tape systems
US6542325B1 (en) 1999-03-10 2003-04-01 Imation Corp. Time-based servo for magnetic storage media
US6754022B1 (en) 2001-07-16 2004-06-22 Imation Corp. High-speed current driver
US6781778B1 (en) * 2001-07-16 2004-08-24 Imation Corp. Time-based sectored servo data format
WO2003017259A1 (fr) * 2001-08-15 2003-02-27 Hitachi Maxell, Ltd. Bande magnetique et cartouche de bande magnetique
US7072133B1 (en) 2001-10-15 2006-07-04 Imation Corp. Servo mark verify head
US7206170B2 (en) * 2004-05-19 2007-04-17 Imetion Corp. Thin film servo head apparatus with canted servo gaps
US20080144211A1 (en) * 2006-12-18 2008-06-19 Weber Mark P Servo techniques that mitigate an effect of read and write velocity variations on position error signal calculations
US7495859B2 (en) * 2007-02-20 2009-02-24 Imation Corp. Interleaved servo pattern

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938962A (en) * 1955-07-12 1960-05-31 Konins Azimuth seeking reproducing head
US3263031A (en) * 1962-05-29 1966-07-26 Sperry Rand Corp High-low frequency homing
US3678220A (en) * 1971-05-26 1972-07-18 Ibm Angulated positioning marks for moving web
US3781490A (en) * 1973-06-01 1973-12-25 Ibm Web tension and speed control in a reel-to-reel web transport
JPS5951045B2 (ja) * 1975-01-10 1984-12-12 株式会社東芝 磁気記録再生装置のトラツキング装置
US4007493A (en) * 1975-05-06 1977-02-08 Burroughs Corporation Track positioning system for magnetic transducer head
JPS54143216A (en) * 1978-04-28 1979-11-08 Toshiba Corp Magnetic recorder-reproducer

Also Published As

Publication number Publication date
JPS56101622A (en) 1981-08-14
JPS6343807B2 (de) 1988-09-01
EP0032660B1 (de) 1984-03-14
EP0032660A1 (de) 1981-07-29
US4347534A (en) 1982-08-31

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee