CN103219027A - 读通道存储消除数据的磁记录系统中的基于硬件的轨道间干扰消减 - Google Patents

读通道存储消除数据的磁记录系统中的基于硬件的轨道间干扰消减 Download PDF

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Publication number
CN103219027A
CN103219027A CN2012105958681A CN201210595868A CN103219027A CN 103219027 A CN103219027 A CN 103219027A CN 2012105958681 A CN2012105958681 A CN 2012105958681A CN 201210595868 A CN201210595868 A CN 201210595868A CN 103219027 A CN103219027 A CN 103219027A
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CN
China
Prior art keywords
data
iti
read
data path
track
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Pending
Application number
CN2012105958681A
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English (en)
Chinese (zh)
Inventor
K·J·沃雷尔
E·F·哈拉特什
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Avago Technologies International Sales Pte Ltd
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Infineon Technologies North America Corp
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Publication date
Priority claimed from US13/250,246 external-priority patent/US8873177B2/en
Application filed by Infineon Technologies North America Corp filed Critical Infineon Technologies North America Corp
Publication of CN103219027A publication Critical patent/CN103219027A/zh
Pending legal-status Critical Current

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    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G11B19/041—Detection or prevention of read or write errors
    • G11B19/045—Detection or prevention of read or write errors by detecting mistracking
    • 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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks

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  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
CN2012105958681A 2011-09-30 2012-09-28 读通道存储消除数据的磁记录系统中的基于硬件的轨道间干扰消减 Pending CN103219027A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US13/250,246 2011-09-30
US13/250,246 US8873177B2 (en) 2011-09-30 2011-09-30 Hardware-based methods and apparatus for inter-track interference mitigation in magnetic recording systems
US13/460,204 US8830612B2 (en) 2011-09-30 2012-04-30 Hardware-based inter-track interference mitigation in magnetic recording systems with read channel storage of cancelation data
US13/460,204 2012-04-30

Publications (1)

Publication Number Publication Date
CN103219027A true CN103219027A (zh) 2013-07-24

Family

ID=47044820

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012105958681A Pending CN103219027A (zh) 2011-09-30 2012-09-28 读通道存储消除数据的磁记录系统中的基于硬件的轨道间干扰消减

Country Status (6)

Country Link
US (1) US8830612B2 (enExample)
EP (1) EP2587483A1 (enExample)
JP (1) JP2013080554A (enExample)
KR (1) KR20130035918A (enExample)
CN (1) CN103219027A (enExample)
TW (1) TW201324501A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104978976A (zh) * 2014-04-07 2015-10-14 株式会社东芝 磁盘装置以及读取控制方法

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* Cited by examiner, † Cited by third party
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US8902534B2 (en) * 2012-08-03 2014-12-02 HGST Netherlands B.V. Implementing track following using data characteristics for positional information
US8848308B2 (en) * 2013-03-04 2014-09-30 Lsi Corporation Systems and methods for ADC sample based inter-track interference compensation
US9001442B2 (en) 2013-03-15 2015-04-07 Seagate Technology Llc Detection of adjacent track interference using size-adjustable sliding window
US8964322B2 (en) 2013-07-15 2015-02-24 Seagate Technology Llc Size adjustable inter-track interference cancellation
US9397703B2 (en) 2013-12-04 2016-07-19 Seagate Technology Llc Adaptive read error recovery for memory devices
US9378083B2 (en) * 2013-12-04 2016-06-28 Seagate Technology Llc Adaptive read error recovery for memory devices
US8917467B1 (en) 2013-12-13 2014-12-23 Lsi Corporation Systems and methods for ATI mitigation
US9281006B2 (en) 2013-12-13 2016-03-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for ATI characterization
US9240199B2 (en) 2014-03-12 2016-01-19 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for distortion characterization
US8947805B1 (en) 2014-03-18 2015-02-03 HGST Netherlands B.V. Low complexity inter-track interference cancellation receiver for magnetic multiple-input, multiple-output (MIMO) channel
US9099157B1 (en) 2014-04-22 2015-08-04 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for adjacent track interference based re-writing
US8976473B1 (en) 2014-05-21 2015-03-10 Seagate Technology Llc Inter-track interference cancellation based on predetermined data patterns in adjacent tracks
US9117463B1 (en) 2014-06-23 2015-08-25 Western Digital Technologies, Inc. Data storage device erasing multiple adjacent data tracks to recover from inter-track interference
US9472237B1 (en) * 2015-04-27 2016-10-18 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for side-track aided data recovery

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050180039A1 (en) * 2004-02-12 2005-08-18 Mayergoyz Isaak D. Method for intersymbol interference removal in data recovery
CN1924999A (zh) * 2005-08-30 2007-03-07 国际商业机器公司 多数据磁道的去卷积系统和方法
WO2005050630A3 (en) * 2003-11-18 2008-01-17 Koninkl Philips Electronics Nv Apparatus and method for reading information from an information carrier
CN101399047A (zh) * 2007-09-28 2009-04-01 株式会社东芝 硬盘驱动器偏离磁道事件的方法和设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6532272B1 (en) * 1998-08-12 2003-03-11 New Mexico State University Technology Transfer Corporation RAM-search processor for intersymbol interference cancellation
JP4498644B2 (ja) * 2001-03-14 2010-07-07 富士通株式会社 データ再生装置
US20070104078A1 (en) 2004-11-03 2007-05-10 Koninklijke Philips Electronics N.V. Apparatus and method for reading information from an information carrier
US8681439B2 (en) * 2010-09-13 2014-03-25 Lsi Corporation Systems and methods for handling sector gaps in inter-track interference compensation
US8693119B2 (en) * 2011-07-19 2014-04-08 Lsi Corporation Energy-based inter-track interference cancellation
US8879182B2 (en) * 2011-07-19 2014-11-04 Lsi Corporation Storage media inter-track interference cancellation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005050630A3 (en) * 2003-11-18 2008-01-17 Koninkl Philips Electronics Nv Apparatus and method for reading information from an information carrier
US20050180039A1 (en) * 2004-02-12 2005-08-18 Mayergoyz Isaak D. Method for intersymbol interference removal in data recovery
CN1924999A (zh) * 2005-08-30 2007-03-07 国际商业机器公司 多数据磁道的去卷积系统和方法
CN101399047A (zh) * 2007-09-28 2009-04-01 株式会社东芝 硬盘驱动器偏离磁道事件的方法和设备

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104978976A (zh) * 2014-04-07 2015-10-14 株式会社东芝 磁盘装置以及读取控制方法
CN104978976B (zh) * 2014-04-07 2018-01-23 株式会社东芝 磁盘装置以及读取控制方法

Also Published As

Publication number Publication date
KR20130035918A (ko) 2013-04-09
US8830612B2 (en) 2014-09-09
EP2587483A1 (en) 2013-05-01
JP2013080554A (ja) 2013-05-02
US20130083418A1 (en) 2013-04-04
TW201324501A (zh) 2013-06-16

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Owner name: AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) CORPORAT

Free format text: FORMER OWNER: INFINEON TECHNOLOGIES CORP.

Effective date: 20150803

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Address after: Singapore Singapore

Applicant after: Avago Technologies General IP (Singapore) Pte. Ltd.

Address before: California, USA

Applicant before: LSI Corp.

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Application publication date: 20130724

WD01 Invention patent application deemed withdrawn after publication