JPH11339210A - 磁気ディスク装置及びこのパラメータの自動調整方法 - Google Patents

磁気ディスク装置及びこのパラメータの自動調整方法

Info

Publication number
JPH11339210A
JPH11339210A JP10143760A JP14376098A JPH11339210A JP H11339210 A JPH11339210 A JP H11339210A JP 10143760 A JP10143760 A JP 10143760A JP 14376098 A JP14376098 A JP 14376098A JP H11339210 A JPH11339210 A JP H11339210A
Authority
JP
Japan
Prior art keywords
signal
read
gate
automatic adjustment
magnetic
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.)
Pending
Application number
JP10143760A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11339210A5 (enExample
Inventor
Tetsuya Makiura
哲哉 牧浦
Reijiro Tsuchiya
鈴二朗 土屋
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10143760A priority Critical patent/JPH11339210A/ja
Priority to US09/317,609 priority patent/US6285520B1/en
Publication of JPH11339210A publication Critical patent/JPH11339210A/ja
Priority to US09/790,877 priority patent/US6452737B2/en
Publication of JPH11339210A5 publication Critical patent/JPH11339210A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • 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
    • G11B20/1816—Testing
    • 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
    • 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
    • G11B5/027—Analogue recording
    • G11B5/035—Equalising

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
JP10143760A 1998-05-26 1998-05-26 磁気ディスク装置及びこのパラメータの自動調整方法 Pending JPH11339210A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP10143760A JPH11339210A (ja) 1998-05-26 1998-05-26 磁気ディスク装置及びこのパラメータの自動調整方法
US09/317,609 US6285520B1 (en) 1998-05-26 1999-05-25 Magnetic disk device and automatic adaptation method of its parameter
US09/790,877 US6452737B2 (en) 1998-05-26 2001-02-23 Magnetic disk device and automatic adaptation method of its parameter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10143760A JPH11339210A (ja) 1998-05-26 1998-05-26 磁気ディスク装置及びこのパラメータの自動調整方法

Publications (2)

Publication Number Publication Date
JPH11339210A true JPH11339210A (ja) 1999-12-10
JPH11339210A5 JPH11339210A5 (enExample) 2005-09-22

Family

ID=15346393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10143760A Pending JPH11339210A (ja) 1998-05-26 1998-05-26 磁気ディスク装置及びこのパラメータの自動調整方法

Country Status (2)

Country Link
US (2) US6285520B1 (enExample)
JP (1) JPH11339210A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100459721B1 (ko) * 2002-08-31 2004-12-03 삼성전자주식회사 제어가능한 더미 리드 게이트를 이용한 재생방법 및 그제어장치
JP2008065980A (ja) * 2007-10-17 2008-03-21 Fujitsu Ltd データ再生装置、再生方法、及び再生装置の制御を行う回路

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3514638B2 (ja) * 1998-09-28 2004-03-31 株式会社日立製作所 環境変動耐力の高い磁気ディスク装置
JP4077993B2 (ja) 1999-07-30 2008-04-23 株式会社日立グローバルストレージテクノロジーズ 性能評価方法及び性能評価装置並びにこれらを用いた記録再生装置
WO2003019556A2 (en) * 2001-08-21 2003-03-06 Seagate Technology Llc Method and apparatus for selecting equalization targets
US7587538B2 (en) * 2006-06-01 2009-09-08 Broadcom Corporation Disk controller, channel interface and methods for use therewith
US11646059B2 (en) * 2021-08-30 2023-05-09 Seagate Technology Llc Estimating read offset in a drive using machine learning

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2857277B2 (ja) * 1992-03-18 1999-02-17 富士通株式会社 磁気ディスク装置の回路パラメータ制御装置
JP3513228B2 (ja) * 1994-09-29 2004-03-31 富士通株式会社 磁気ディスク装置及び読取波形等化方法
JP3453002B2 (ja) 1995-04-21 2003-10-06 富士通株式会社 自動調整方法、再生装置及び記憶装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100459721B1 (ko) * 2002-08-31 2004-12-03 삼성전자주식회사 제어가능한 더미 리드 게이트를 이용한 재생방법 및 그제어장치
JP2008065980A (ja) * 2007-10-17 2008-03-21 Fujitsu Ltd データ再生装置、再生方法、及び再生装置の制御を行う回路

Also Published As

Publication number Publication date
US20010013986A1 (en) 2001-08-16
US6285520B1 (en) 2001-09-04
US6452737B2 (en) 2002-09-17

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