JP2013025858A5 - - Google Patents

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Publication number
JP2013025858A5
JP2013025858A5 JP2012010626A JP2012010626A JP2013025858A5 JP 2013025858 A5 JP2013025858 A5 JP 2013025858A5 JP 2012010626 A JP2012010626 A JP 2012010626A JP 2012010626 A JP2012010626 A JP 2012010626A JP 2013025858 A5 JP2013025858 A5 JP 2013025858A5
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JP
Japan
Prior art keywords
pattern
output
fly height
circuit
averaged
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.)
Ceased
Application number
JP2012010626A
Other languages
English (en)
Japanese (ja)
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JP2013025858A (ja
Filing date
Publication date
Priority claimed from US13/185,562 external-priority patent/US8526133B2/en
Application filed filed Critical
Publication of JP2013025858A publication Critical patent/JP2013025858A/ja
Publication of JP2013025858A5 publication Critical patent/JP2013025858A5/ja
Ceased legal-status Critical Current

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JP2012010626A 2011-07-19 2012-01-23 ユーザーデータに基づくフライハイト計算のためのシステム及び方法 Ceased JP2013025858A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/185,562 2011-07-19
US13/185,562 US8526133B2 (en) 2011-07-19 2011-07-19 Systems and methods for user data based fly height calculation

Publications (2)

Publication Number Publication Date
JP2013025858A JP2013025858A (ja) 2013-02-04
JP2013025858A5 true JP2013025858A5 (enExample) 2015-02-26

Family

ID=46177326

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012010626A Ceased JP2013025858A (ja) 2011-07-19 2012-01-23 ユーザーデータに基づくフライハイト計算のためのシステム及び方法

Country Status (6)

Country Link
US (1) US8526133B2 (enExample)
EP (1) EP2549477A1 (enExample)
JP (1) JP2013025858A (enExample)
KR (1) KR20130010829A (enExample)
CN (1) CN102890939A (enExample)
TW (1) TWI540572B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8908306B1 (en) * 2013-03-15 2014-12-09 Western Digital Technologies, Inc. Disk drive measuring channel transition response by averaging isolated transitions in a read signal
US9001451B1 (en) 2013-08-12 2015-04-07 Seagate Technology Llc Clearance distance verification and control
KR20180121693A (ko) * 2014-03-04 2018-11-07 가부시키가이샤 오사카소다 전지 전극용 바인더, 및 그것을 사용한 전극 그리고 전지
GB2536435B (en) * 2015-03-16 2018-02-28 Nexeon Ltd Electroactive materials for metal-ion batteries
US9502063B1 (en) * 2016-01-04 2016-11-22 Seagate Technology Llc Apparatus and method for measuring slider fly height relative to bit patterned media
CN109655311A (zh) * 2018-12-21 2019-04-19 武汉飞流智能技术有限公司 一种适用于无人机的水质探头定深系统及方法
US11295774B1 (en) 2021-06-11 2022-04-05 Western Digital Technologies, Inc. Data storage device calibrating fly height actuator for multiple heads during a revolution
US11721364B1 (en) 2022-03-14 2023-08-08 Seagate Technology Llc Adaptive read clearance for improving reader reliability

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0631989B2 (ja) 1985-11-14 1994-04-27 ロ−ランド株式会社 電子楽器の波形発生装置
US4777544A (en) 1986-08-15 1988-10-11 International Business Machine Corporation Method and apparatus for in-situ measurement of head/recording medium clearance
US5086475A (en) 1988-11-19 1992-02-04 Sony Corporation Apparatus for generating, recording or reproducing sound source data
US5111727A (en) 1990-01-05 1992-05-12 E-Mu Systems, Inc. Digital sampling instrument for digital audio data
US5377058A (en) 1992-12-31 1994-12-27 International Business Machines Corporation Fly height servo control of read/write head suspension
US5814750A (en) 1995-11-09 1998-09-29 Chromatic Research, Inc. Method for varying the pitch of a musical tone produced through playback of a stored waveform
US5909330A (en) 1996-12-12 1999-06-01 Maxtor Corporation Method and apparatus for detecting head flying height in a disk drive
US6097559A (en) 1998-06-26 2000-08-01 International Business Machines Corporation System and method for detecting head-to-disk contact in-situ a direct access storage device using a position error signal
US6519102B1 (en) 2000-04-27 2003-02-11 International Business Machines Corporation Method and apparatus for implementing an in-situ digital harmonic computation facility for direct access storage device (DASD)
WO2002093546A2 (en) 2001-05-16 2002-11-21 Telefonaktiebolaget Lm Ericsson (Publ) A method for removing aliasing in wave table based synthesisers
US7222289B2 (en) 2002-09-30 2007-05-22 Certance Llc Channel processor using reduced complexity LDPC decoder
US7199961B1 (en) * 2003-03-25 2007-04-03 Marvell International Ltd. Detecting fly height of a head over a storage medium
US6937424B2 (en) 2003-05-12 2005-08-30 Hitachi Global Storage Technologies Netherlands N.V. Repeatable runout (RRO) compensation methods and apparatus for data storage devices
US7038875B2 (en) 2003-07-31 2006-05-02 Seagate Technology Llc Dynamic measurement of head media spacing modulation
US7016131B2 (en) 2003-08-29 2006-03-21 Agency For Science, Technology And Research Method and implementation of in-situ absolute head medium spacing measurement
US7158325B1 (en) 2003-11-06 2007-01-02 Maxtor Corporation Disk drive head touchdown detection with improved discrimination
JP2006202391A (ja) * 2005-01-20 2006-08-03 Hitachi Global Storage Technologies Netherlands Bv 磁気ディスク装置及びフライング・ハイトの測定方法
US7715135B1 (en) * 2005-09-20 2010-05-11 Marvell International Ltd. Methods, circuits, apparatus, and systems for read channel synchronization and/or fly height measurement
JP2007242152A (ja) * 2006-03-09 2007-09-20 Fujitsu Ltd 磁気記録媒体、磁気記録装置及びサーボ復調回路
JP2007242167A (ja) * 2006-03-09 2007-09-20 Fujitsu Ltd 浮上量測定装置および方法
JP4978625B2 (ja) 2006-05-12 2012-07-18 日本電気株式会社 誤り訂正符号化方法及び装置
US8730610B2 (en) 2006-05-22 2014-05-20 Seagate Technology Llc Closed loop fly height control
JP4518043B2 (ja) 2006-05-31 2010-08-04 株式会社日立製作所 画像信号処理装置、及び画像信号を高解像度化するための方法、及びそれを実行するためのプログラム
JP4805860B2 (ja) * 2007-02-05 2011-11-02 東芝ストレージデバイス株式会社 浮上量測定装置、記憶装置および浮上量測定方法
JP2008204548A (ja) * 2007-02-20 2008-09-04 Fujitsu Ltd 垂直磁気ディスク装置
JP2008293625A (ja) * 2007-05-28 2008-12-04 Hitachi Global Storage Technologies Netherlands Bv ヘッドとディスクとの間のクリアランスを制御する制御値を決定する装置、その方法及び磁気ディスク・ドライブ装置
WO2009079094A1 (en) * 2007-12-14 2009-06-25 Lsi Corporation Systems and methods for fly-height control using servo address mark data
US7872828B1 (en) * 2008-05-07 2011-01-18 Marvell International Ltd. Flying height measurement
KR100978902B1 (ko) 2008-05-29 2010-08-31 명지대학교 산학협력단 지수 감쇄하는 직류 옵셋 영향을 제거한 푸리에 변환 기반페이져 추정 방법 및 그 장치
WO2010014078A1 (en) 2008-07-28 2010-02-04 Agere Systems Inc. Systems and methods for variable compensated fly height measurement
JP2010123231A (ja) * 2008-11-21 2010-06-03 Hitachi Global Storage Technologies Netherlands Bv ディスク・ドライブ及びクリアランス制御方法
US7773336B2 (en) * 2008-11-25 2010-08-10 Samsung Electronics Company, Ltd. Harmonic measurement for head-disk spacing control using user data
JP2011018396A (ja) * 2009-07-08 2011-01-27 Hitachi Global Storage Technologies Netherlands Bv ディスク・ドライブ及びクリアランス測定方法
JP4818449B1 (ja) * 2010-06-24 2011-11-16 株式会社東芝 ディスク記憶装置及びヘッドの浮上量計測方法
US8325432B2 (en) * 2010-08-05 2012-12-04 Lsi Corporation Systems and methods for servo data based harmonics calculation

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