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DE602007001872D1 - Synchron-servo-kanal zur longitudinalpositionsdetektion und positionsfehlersignalerzeugung in bandlaufwerksystemen - Google Patents

Synchron-servo-kanal zur longitudinalpositionsdetektion und positionsfehlersignalerzeugung in bandlaufwerksystemen

Info

Publication number
DE602007001872D1
DE602007001872D1 DE200760001872 DE602007001872T DE602007001872D1 DE 602007001872 D1 DE602007001872 D1 DE 602007001872D1 DE 200760001872 DE200760001872 DE 200760001872 DE 602007001872 T DE602007001872 T DE 602007001872T DE 602007001872 D1 DE602007001872 D1 DE 602007001872D1
Authority
DE
Grant status
Grant
Patent type
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.)
Active
Application number
DE200760001872
Other languages
English (en)
Inventor
Giovanni Cherubini
Evangelos Eleftheriou
Jens Jelitto
Robert Hutchins
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Grant date

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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
    • G11B5/584Disposition 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
DE200760001872 2006-01-26 2007-01-10 Synchron-servo-kanal zur longitudinalpositionsdetektion und positionsfehlersignalerzeugung in bandlaufwerksystemen Active DE602007001872D1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US11340030 US7245450B1 (en) 2006-01-26 2006-01-26 Synchronous servo channel for longitudinal position detection and position error signal generation in tape drive systems
PCT/EP2007/050212 WO2007085529A1 (en) 2006-01-26 2007-01-10 Synchronous servo channel for longitudinal position detection and position error signal generation in tape drive systems

Publications (1)

Publication Number Publication Date
DE602007001872D1 true DE602007001872D1 (de) 2009-09-17

Family

ID=37964627

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200760001872 Active DE602007001872D1 (de) 2006-01-26 2007-01-10 Synchron-servo-kanal zur longitudinalpositionsdetektion und positionsfehlersignalerzeugung in bandlaufwerksystemen

Country Status (8)

Country Link
US (1) US7245450B1 (de)
EP (1) EP1984919B1 (de)
JP (1) JP5004969B2 (de)
KR (1) KR100968177B1 (de)
CN (1) CN101361125B (de)
CA (1) CA2636848C (de)
DE (1) DE602007001872D1 (de)
WO (1) WO2007085529A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7433142B2 (en) * 2006-02-01 2008-10-07 International Business Machines Corporation Using at least one servo channel to provide timing recovery and timing information to data channels
US7436621B2 (en) * 2006-06-08 2008-10-14 Quantum Corporation Azimuth compensation using combination bump pes detection
US7411531B2 (en) * 2006-06-30 2008-08-12 Agere Systems Inc. Methods and apparatus for asynchronous sampling of a received signal at a downsampled rate
US7365929B2 (en) * 2006-07-30 2008-04-29 International Business Machines Corporation Synchronous servo channel for tape drive systems
US7742254B2 (en) * 2008-01-03 2010-06-22 International Business Machines Corporation Servo channel for tape drive systems
US7605992B2 (en) * 2008-01-28 2009-10-20 International Business Machines Corporation Robust LPOS detection with predictor and bit verifier
US7990644B2 (en) * 2008-02-29 2011-08-02 International Business Machines Corporation Apparatus and method to decode linear position information encoded in a sequential information storage medium
US8271857B2 (en) * 2008-05-13 2012-09-18 International Business Machines Corporation Correcting errors in longitudinal position (LPOS) words
US8488267B2 (en) * 2008-06-06 2013-07-16 Hewlett-Packard Development Company, L.P. Sensor position adjustment with media velocity relative sample timing
JP5295366B2 (ja) * 2008-06-18 2013-09-18 インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Machines Corporation 磁気テープから読み取られるppm符号化サーボ・パターン読み取り信号の同期ワードを検出するための方法及び装置
US20100079890A1 (en) * 2008-09-26 2010-04-01 Brummet Robert Allan Method and apparatus for encoding positioning information on a magnetic tape media
US8054575B2 (en) * 2009-01-12 2011-11-08 Hewlett-Packard Development Company, L.P. Position signal processor
US8059361B2 (en) * 2009-01-12 2011-11-15 Hewlett-Packard Development Company, L.P. Position signal processor
US8159770B2 (en) * 2009-01-13 2012-04-17 International Business Machines Corporation Apparatus and method to transfer data to and from a sequential information storage medium
US8331055B2 (en) * 2009-07-09 2012-12-11 International Business Machines Corporation Control method and apparatus for a dual-channel weighted LPOS combining scheme
US8169736B2 (en) 2009-07-17 2012-05-01 International Business Machines Corporation Method and apparatus to position a head module comprising servo elements and a plurality of data elements
US8054569B2 (en) * 2009-07-17 2011-11-08 International Business Machines Corporation Method and apparatus to identify a data band encoded between two servo bands in a sequential information storage medium
US8094407B2 (en) * 2009-08-18 2012-01-10 International Business Machines Corporation Servomechanism with adjustable predictor filter
US8139312B2 (en) 2010-03-02 2012-03-20 International Business Machines Corporation Timing alternative intervals within a timing based servo band
US7957088B1 (en) 2010-03-02 2011-06-07 International Business Machines Corporation Track compensation and skew compensation for drives having flangeless rollers and systems thereof
US8422162B2 (en) * 2010-07-16 2013-04-16 International Business Machines Corporation Determining a reference waveform used by a correlator in a servo channel
US8223057B2 (en) 2010-09-30 2012-07-17 Schneider Electric USA, Inc. Quantizing sampled inputs using fixed frequency analog to digital conversions through interpolation
US8576510B2 (en) 2011-10-06 2013-11-05 International Business Machines Corporation Robust metric computation of longitudinal position (LPOS) data symbol detection
US9564168B2 (en) 2015-04-07 2017-02-07 International Business Machines Corporation Adjustable interpolation sampling interval for tape systems

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
JPH0661156B2 (ja) * 1983-05-21 1994-08-10 ソニー株式会社 エラ−訂正のための符号化方法
JP3237152B2 (ja) * 1991-11-15 2001-12-10 ソニー株式会社 ディジタル情報信号の記録装置
US5294803A (en) * 1991-12-30 1994-03-15 Tandberg Data A/S System and a method for optically detecting an edge of a tape
US5812336A (en) * 1995-12-05 1998-09-22 Cirrus Logic, Inc. Fixed sample rate sampled amplitude read channel for zoned magnetic recording
US5726818A (en) * 1995-12-05 1998-03-10 Cirrus Logic, Inc. Magnetic disk sampled amplitude read channel employing interpolated timing recovery for synchronous detection of embedded servo data
US6125154A (en) * 1998-03-27 2000-09-26 Marvell Technology Group Digital servo channel for recording apparatus
US6532128B1 (en) * 1999-05-19 2003-03-11 International Business Machines Corporation Data set to recording media registration and synchronization
US6239939B1 (en) * 1999-08-09 2001-05-29 International Business Machines Corporation Robust detection of data modulated into a timing based servo
US6329942B1 (en) * 2000-01-31 2001-12-11 Texas Instruments Incorporated Parallel latch for high speed comparator using two modes of operation
US6791781B2 (en) * 2001-07-17 2004-09-14 International Business Machines Corporation Method and apparatus for providing linear position (LPOS) estimations
JP4042961B2 (ja) * 2002-08-27 2008-02-06 富士フイルム株式会社 記録媒体カートリッジおよびその記録再生装置
US6937413B2 (en) 2003-08-08 2005-08-30 International Business Machines Corporation Tape servo information with superimposed data information providing servo band identification

Also Published As

Publication number Publication date Type
WO2007085529A1 (en) 2007-08-02 application
KR100968177B1 (ko) 2010-07-07 grant
CA2636848A1 (en) 2007-08-02 application
CN101361125B (zh) 2011-01-12 grant
CN101361125A (zh) 2009-02-04 application
US7245450B1 (en) 2007-07-17 grant
JP5004969B2 (ja) 2012-08-22 grant
KR20080089599A (ko) 2008-10-07 application
EP1984919B1 (de) 2009-08-05 grant
JP2009524897A (ja) 2009-07-02 application
EP1984919A1 (de) 2008-10-29 application
CA2636848C (en) 2015-04-28 grant
US20070171565A1 (en) 2007-07-26 application

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Legal Events

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