DE69217915D1 - Methode und Vorrichtung zur Bestimmung der Bandposition für ein Band unter Verwendung eines speziellen Servo-Formates - Google Patents
Methode und Vorrichtung zur Bestimmung der Bandposition für ein Band unter Verwendung eines speziellen Servo-FormatesInfo
- Publication number
- DE69217915D1 DE69217915D1 DE69217915T DE69217915T DE69217915D1 DE 69217915 D1 DE69217915 D1 DE 69217915D1 DE 69217915 T DE69217915 T DE 69217915T DE 69217915 T DE69217915 T DE 69217915T DE 69217915 D1 DE69217915 D1 DE 69217915D1
- Authority
- DE
- Germany
- Prior art keywords
- tape
- determining
- servo format
- special servo
- tape position
- 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
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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
-
- 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
- G11B5/5504—Track change, selection or acquisition by displacement of the head across tape tracks
- G11B5/5508—Control circuits therefor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92108079A EP0569610B1 (de) | 1992-05-13 | 1992-05-13 | Methode und Vorrichtung zur Bestimmung der Bandposition für ein Band unter Verwendung eines speziellen Servo-Formates |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69217915D1 true DE69217915D1 (de) | 1997-04-10 |
DE69217915T2 DE69217915T2 (de) | 1997-06-12 |
Family
ID=8209611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69217915T Expired - Fee Related DE69217915T2 (de) | 1992-05-13 | 1992-05-13 | Methode und Vorrichtung zur Bestimmung der Bandposition für ein Band unter Verwendung eines speziellen Servo-Formates |
Country Status (3)
Country | Link |
---|---|
US (2) | US5394277A (de) |
EP (1) | EP0569610B1 (de) |
DE (1) | DE69217915T2 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5521774A (en) * | 1994-03-18 | 1996-05-28 | Cartesian Data, Inc. | Memory storage module for storing and accessing |
WO1997027580A1 (en) * | 1996-01-26 | 1997-07-31 | Exabyte Corporation | Modulation of buried servo on magnetic tape |
DE19610089A1 (de) * | 1996-03-14 | 1997-09-18 | Thomson Brandt Gmbh | Spurführung bei Längsspuraufzeichnung mit einer Vielzahl paralleler Spuren |
US5999360A (en) * | 1996-10-15 | 1999-12-07 | Seagate Technology, Inc. | Disc drive servo system employing thermal signals |
US5757575A (en) * | 1996-10-31 | 1998-05-26 | Ampex Corporation | Track-curvature detection using clock phase shift in azimuth recording |
EP0849735B1 (de) * | 1996-12-20 | 2003-06-18 | Deutsche Thomson-Brandt Gmbh | Kombinierte longitudinale und transversale Spurnachführung |
US6075666A (en) * | 1997-02-21 | 2000-06-13 | Storage Technology Corporation | Tape servo pattern having an embedded position count field |
US5920439A (en) * | 1997-02-21 | 1999-07-06 | Storage Technology Corporation | Method for determining longitudinal position on a magnetic tape having an embedded position count field |
US5926339A (en) * | 1997-02-21 | 1999-07-20 | Storage Technology Corporation | Method for servo track identification |
US6018429A (en) * | 1997-02-21 | 2000-01-25 | Storage Technology Corporation | Tape servo pattern with embedded servo track number identification |
US5946156A (en) * | 1997-03-04 | 1999-08-31 | Imation Corp. | Tape servo system and methods, write/read heads, and servo track configurations regarding same |
US6134070A (en) * | 1997-05-22 | 2000-10-17 | Imation Corp. | Encoded servo track configurations, servo writer and systems/method regarding same |
US6078463A (en) * | 1997-10-24 | 2000-06-20 | Tandberg Data Asa | Method and system for generating a position error signal from recorded servo data tracks containing information represented by longitudinally spaced, magnetic transitions |
EP1075693A4 (de) * | 1998-03-30 | 2002-06-12 | Storage Technology Corp | Servospur-erkennungsverfahren |
WO1999050838A1 (en) * | 1998-03-30 | 1999-10-07 | Storage Technology Corporation | Method for determining longitudinal position on a length of magnetic tape |
EP1075691A4 (de) * | 1998-03-30 | 2006-06-14 | Imation Corp | Bandservomuster mit spuridentifikation |
US5992783A (en) * | 1998-09-29 | 1999-11-30 | Storage Technolgy Corporation | Method of tape attachment to a tape cartridge reel |
US6532128B1 (en) * | 1999-05-19 | 2003-03-11 | International Business Machines Corporation | Data set to recording media registration and synchronization |
US6330123B1 (en) | 1999-05-28 | 2001-12-11 | Imation Corp. | Head assembly having a single pass servo writer |
US6510015B2 (en) | 1999-12-10 | 2003-01-21 | Seagate Technology Llc | Magnetic disc having physical servo patterns with a magnetic carrier, and method of making and using the same |
US6442004B1 (en) | 2000-09-27 | 2002-08-27 | Imation Corp. | Magnetic head linear actuator assembly for a magnetic data storage drive |
US6735039B1 (en) * | 2002-03-29 | 2004-05-11 | Imation Corp. | Linear positioning encoding in amplitude-based servopositioning systems |
US6831805B2 (en) * | 2002-06-27 | 2004-12-14 | International Business Machines Corporation | Apparatus and method to read and/or write information to a magnetic tape medium |
US7307809B2 (en) * | 2005-08-18 | 2007-12-11 | Quantum Corporation | Correlation servo for positioning recording head |
US7835108B2 (en) * | 2007-06-28 | 2010-11-16 | Imation Corp. | Data storage tape recertification |
US7813070B2 (en) * | 2008-02-19 | 2010-10-12 | International Business Machines Corporation | Error correction capability for longitudinal position data in a tape storage system |
US7982988B2 (en) * | 2009-03-09 | 2011-07-19 | International Business Machines Corporation | Combining information from parallel servo channels |
US7839599B2 (en) * | 2009-03-09 | 2010-11-23 | International Business Machines Corporation | Combining information from parallel servo channels |
US8724251B2 (en) * | 2010-03-09 | 2014-05-13 | Hewlett-Packard Development Company, L.P. | Method and system for providing tape-format compatibility between various types of tape heads |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2240321A1 (de) * | 1972-08-16 | 1974-02-28 | Ibm Deutschland | Regeleinrichtung zur korrektur der spurlage eines magnetkopfes |
JPS5299303U (de) * | 1976-01-26 | 1977-07-27 | ||
US4072987A (en) * | 1975-03-26 | 1978-02-07 | Micro Consultants Limited | Digital storage systems |
US4400747A (en) * | 1981-06-26 | 1983-08-23 | International Business Machines Corporation | Servo system for data storage apparatus |
US4472750A (en) * | 1981-07-02 | 1984-09-18 | Irwin Magnetic Systems, Inc. | Data record with pre-recorded transducer positioning signals, and system for utilizing same |
US5027233A (en) * | 1983-08-31 | 1991-06-25 | Unisys Corp. | Method for determining servo position data in a disk drive |
EP0138210A3 (de) * | 1983-10-14 | 1986-02-05 | Hitachi, Ltd. | Magnetisches Aufnahme- oder Wiedergabegerät der Art mit Drehkopf und Verfahren zum Erzeugen von Spurnachlaufsteuersignalen |
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 |
US4868692A (en) * | 1987-03-31 | 1989-09-19 | Matsushita Electric Industrial Co., Ltd. | Tracking error signal forming circuit |
US4843495A (en) * | 1987-05-11 | 1989-06-27 | Exabyte Corporation | Cyclical servo zone tracking method and apparatus for helical scan recording devices |
JPH02154361A (ja) * | 1988-12-05 | 1990-06-13 | Mitsubishi Electric Corp | 磁気ディスク装置 |
US5008765A (en) * | 1989-01-17 | 1991-04-16 | Minnesota Mining And Manufacturing Company | Method and apparatus for reading or writing on tape using a servo positioned multiple channel head |
US5257148A (en) * | 1989-05-30 | 1993-10-26 | Tandberg Data As | Method and apparatus for positioning a magnetic head in a magnetic layer memory system using tracking by reading a spaced pair of corresponding subtracks |
US5121270A (en) * | 1989-09-19 | 1992-06-09 | Alcudia Ezra R | Multitransducer head positioning servo for use in a bi-directional magnetic tape system |
US5262908A (en) * | 1990-02-20 | 1993-11-16 | Sharp Kabushiki Kaisha | Tracking control device for magnetic recording/reproducing apparatus |
JPH04238160A (ja) * | 1991-01-21 | 1992-08-26 | Sony Corp | 信号再生装置 |
US5229895A (en) * | 1991-06-07 | 1993-07-20 | Minnesota Mining And Manufacturing Company | Multi-track servo recording head assembly |
US5280402A (en) * | 1991-08-30 | 1994-01-18 | Minnesota Mining And Manufacturing Company | Combined stepper motor and voice coil head positioning apparatus |
US5146183A (en) * | 1991-09-27 | 1992-09-08 | Maxtor Corporation | Phase lock loop for sector servo system |
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 |
-
1992
- 1992-05-13 DE DE69217915T patent/DE69217915T2/de not_active Expired - Fee Related
- 1992-05-13 EP EP92108079A patent/EP0569610B1/de not_active Expired - Lifetime
- 1992-10-02 US US07/955,411 patent/US5394277A/en not_active Expired - Fee Related
-
1994
- 1994-12-07 US US08/338,085 patent/US5568327A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0569610A1 (de) | 1993-11-18 |
DE69217915T2 (de) | 1997-06-12 |
US5568327A (en) | 1996-10-22 |
EP0569610B1 (de) | 1997-03-05 |
US5394277A (en) | 1995-02-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69217915D1 (de) | Methode und Vorrichtung zur Bestimmung der Bandposition für ein Band unter Verwendung eines speziellen Servo-Formates | |
DE69318617T2 (de) | Vorrichtung zur Kopfpositionierung für Mehrspurbandaufzeichnungsgerät | |
DE69616337D1 (de) | Verfahren zur herstellung eines photothermographischen aufzeichnungsmaterials | |
DE3574614D1 (de) | Verfahren zur kontrolle eines parameterwertes. | |
DE3672099D1 (de) | Ein wasserabsorbierendes fasererzeugnis und ein verfahren zur herstellung desselben. | |
DE68903662T2 (de) | Verfahren zur herstellung eines papierstoffes fuer treuhaenderische verwendung. | |
DE3677849D1 (de) | Aufzeichnungsfluessigkeit, aufzeichnungsverfahren unter verwendung derselben sowie verfahren zur bildung eines farbbildes. | |
ATA256992A (de) | Verfahren zur funktionskontrolle eines temperaturfuehlers | |
DE69225945T2 (de) | Verfahren und Vorrichtung zum Detektieren einer Magnetbandkante und Verwendung der Vorrichtung | |
DE68920821T2 (de) | Magnetische Medien enthaltende Referenzeinrichtung und Verfahren zur Ermittlung einer Magnetkopflage hinsichtlich der Referenzeinrichtung. | |
ATA70984A (de) | Verfahren und vorrichtung zur bestimmung der genauen position einer einrichtung zum schneiden einer bewegten materialbahn | |
DE69112791T2 (de) | Verfahren und Vorrichtung zur Herstellung eines Bandes. | |
DE3785309D1 (de) | Verfahren und geraet zur bestimmung der kante eines magnetbandes. | |
DE69406514T2 (de) | Verfahren und Vorrichtung zur Herstellung eines geschnittenen kunstoffimprägnierten Bandes | |
DE3579961D1 (de) | Druckmessfuehler und verfahren zur anordnung eines druckmessfuehlers. | |
ATA264489A (de) | Verfahren zur herstellung eines schichtwerkstoffes für gleitelemente sowie vorrichtung hiefür | |
DE69130242T2 (de) | Verfahren zur Einstellung der Bedingung für ein Strahlungsaufzeichnungs- und -wiedergabesystem | |
DE3678194D1 (de) | Verfahren und vorrichtung zur herstellung eines duennen gegenstandes. | |
DE3775641D1 (de) | Entmetallisierung eines katalysators und verfahren zur verwendung eines entmetallisierten katalysators. | |
DE3686803T2 (de) | Verfahren und vorrichtung zur ablesung eines bandmusters. | |
DE59304473D1 (de) | Verfahren zur überwachung eines gebietes | |
DE3579601D1 (de) | Verfahren zur herstellung eines duennfilmmessstreifensystems. | |
DE69517399T2 (de) | Verfahren und Vorrichtung zur Herstellung eines Bandmaterials | |
DE68920992T2 (de) | Apparat und Verfahren zur Regelung einer Messanordnung. | |
DE3680821D1 (de) | Verfahren zur steuerung des anzeigeelementes eines bandgeraetes. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |