JP2012532401A5 - - Google Patents

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Publication number
JP2012532401A5
JP2012532401A5 JP2012518849A JP2012518849A JP2012532401A5 JP 2012532401 A5 JP2012532401 A5 JP 2012532401A5 JP 2012518849 A JP2012518849 A JP 2012518849A JP 2012518849 A JP2012518849 A JP 2012518849A JP 2012532401 A5 JP2012532401 A5 JP 2012532401A5
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JP
Japan
Prior art keywords
servo
channel
servo channel
fsm
bit
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
JP2012518849A
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English (en)
Japanese (ja)
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JP2012532401A (ja
JP5651173B2 (ja
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Publication date
Priority claimed from US12/500,490 external-priority patent/US8331055B2/en
Application filed filed Critical
Publication of JP2012532401A publication Critical patent/JP2012532401A/ja
Publication of JP2012532401A5 publication Critical patent/JP2012532401A5/ja
Application granted granted Critical
Publication of JP5651173B2 publication Critical patent/JP5651173B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2012518849A 2009-07-09 2010-06-02 デュアル・チャネル加重ｌｐｏｓ結合スキームを制御する方法、プログラムおよび装置 Active JP5651173B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/500,490 US8331055B2 (en) 2009-07-09 2009-07-09 Control method and apparatus for a dual-channel weighted LPOS combining scheme
US12/500,490 2009-07-09
PCT/EP2010/057678 WO2011003677A1 (en) 2009-07-09 2010-06-02 Control method and apparatus for a dual-channel weighted lpos combining scheme

Publications (3)

Publication Number Publication Date
JP2012532401A JP2012532401A (ja) 2012-12-13
JP2012532401A5 true JP2012532401A5 (enExample) 2014-08-14
JP5651173B2 JP5651173B2 (ja) 2015-01-07

Family

ID=42342448

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012518849A Active JP5651173B2 (ja) 2009-07-09 2010-06-02 デュアル・チャネル加重ｌｐｏｓ結合スキームを制御する方法、プログラムおよび装置

Country Status (7)

Country Link
US (1) US8331055B2 (enExample)
JP (1) JP5651173B2 (enExample)
CN (1) CN102473419B (enExample)
CA (1) CA2765148C (enExample)
DE (1) DE112010002334B4 (enExample)
GB (1) GB2484229B (enExample)
WO (1) WO2011003677A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8271857B2 (en) 2008-05-13 2012-09-18 International Business Machines Corporation Correcting errors in longitudinal position (LPOS) words
US7961424B2 (en) * 2009-10-30 2011-06-14 International Business Machines Corporation Multilevel pulse position modulation for efficient encoding of information into servo patterns
EP2583999A1 (en) * 2011-10-20 2013-04-24 Basell Poliolefine Italia S.r.l. Polyolefin compositions
GB2501521A (en) 2012-04-27 2013-10-30 Ibm Skew compensation in tape storage device
GB2525222A (en) 2014-04-16 2015-10-21 Ibm Method and apparatus for operating a tape storage device
US11430481B2 (en) * 2020-09-09 2022-08-30 Marvell Asia Pte, Ltd. Dual-surface self-servo-write for storage device

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0508366B1 (en) 1991-04-12 1997-06-11 Sharp Kabushiki Kaisha Magnetic head positioning device
US5448430A (en) * 1993-08-05 1995-09-05 International Business Machines Corporation Track following servo demodulation
US5909336A (en) * 1997-02-18 1999-06-01 Texas Instruments Incorporated Position detection scheme for headerless disk controller
US5930065A (en) * 1997-05-16 1999-07-27 International Business Machines Corporation Timing based servo longitudinal addressing
JP2001250346A (ja) * 2000-03-06 2001-09-14 Fujitsu Ltd 磁気テープ装置
US6724561B1 (en) * 2000-06-28 2004-04-20 Storage Technology Corporation Apparatus and method for compensating for environmental effects on media
US6580581B1 (en) * 2000-08-16 2003-06-17 International Business Machines Corporation Recovery of lateral position of a servo system with respect to longitudinal servo bands of a magnetic tape
US6791781B2 (en) * 2001-07-17 2004-09-14 International Business Machines Corporation Method and apparatus for providing linear position (LPOS) estimations
JP3830088B2 (ja) * 2001-11-29 2006-10-04 富士写真フイルム株式会社 サーボ制御方法、磁気テープ、及び磁気テープ記録再生装置
US7130140B1 (en) * 2002-05-06 2006-10-31 Storage Technology Corporation Polarity encoded pattern for timing based servo
US6937413B2 (en) * 2003-08-08 2005-08-30 International Business Machines Corporation Tape servo information with superimposed data information providing servo band identification
US6987633B2 (en) * 2003-10-10 2006-01-17 International Business Machines Corporation Apparatus and method to read information from a tape storage medium
US6992857B2 (en) * 2004-02-02 2006-01-31 Hewlett-Packard Development Company, L.P. Weighting servo signals for head positioning
US7196859B2 (en) * 2004-07-09 2007-03-27 Imation Corp. Processing techniques for time-based servo patterns
US7280294B2 (en) * 2004-11-30 2007-10-09 International Business Machines Corporation Tri-state servowriter driver with slow return to zero
US7245450B1 (en) * 2006-01-26 2007-07-17 International Business Machines Corporation Synchronous servo channel for longitudinal position detection and position error signal generation in tape drive systems
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
US7365929B2 (en) * 2006-07-30 2008-04-29 International Business Machines Corporation Synchronous 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
US7903368B2 (en) * 2008-02-01 2011-03-08 International Business Machines Corporation Tape cartridge having tape media with longitudinally shifted servo pattern for increased sampling rate
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
US7924520B2 (en) * 2008-10-01 2011-04-12 Hewlett-Packard Development Company, L.P. Method and apparatus for determining position of a storage medium
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

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