JPH1021557A5 - - Google Patents

Info

Publication number
JPH1021557A5
JPH1021557A5 JP1997070193A JP7019397A JPH1021557A5 JP H1021557 A5 JPH1021557 A5 JP H1021557A5 JP 1997070193 A JP1997070193 A JP 1997070193A JP 7019397 A JP7019397 A JP 7019397A JP H1021557 A5 JPH1021557 A5 JP H1021557A5
Authority
JP
Japan
Prior art keywords
phase state
signal
phase
state signal
storage system
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
JP1997070193A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1021557A (ja
Filing date
Publication date
Priority claimed from US08/625,462 external-priority patent/US5982721A/en
Application filed filed Critical
Publication of JPH1021557A publication Critical patent/JPH1021557A/ja
Publication of JPH1021557A5 publication Critical patent/JPH1021557A5/ja
Pending legal-status Critical Current

Links

JP9070193A 1996-03-29 1997-03-24 光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ Pending JPH1021557A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/625,462 1996-03-29
US08/625,462 US5982721A (en) 1996-03-29 1996-03-29 Optical disc drive comprising switching gains for forcing phase states to follow a sliding line trajectory in a servo system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006307240A Division JP2007035278A (ja) 1996-03-29 2006-11-13 光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ

Publications (2)

Publication Number Publication Date
JPH1021557A JPH1021557A (ja) 1998-01-23
JPH1021557A5 true JPH1021557A5 (enExample) 2005-01-06

Family

ID=24506197

Family Applications (3)

Application Number Title Priority Date Filing Date
JP9070193A Pending JPH1021557A (ja) 1996-03-29 1997-03-24 光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ
JP2006307240A Withdrawn JP2007035278A (ja) 1996-03-29 2006-11-13 光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ
JP2008256797A Withdrawn JP2009004095A (ja) 1996-03-29 2008-10-01 光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2006307240A Withdrawn JP2007035278A (ja) 1996-03-29 2006-11-13 光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ
JP2008256797A Withdrawn JP2009004095A (ja) 1996-03-29 2008-10-01 光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ

Country Status (3)

Country Link
US (1) US5982721A (enExample)
EP (1) EP0798704A1 (enExample)
JP (3) JPH1021557A (enExample)

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TW386228B (en) * 1998-02-27 2000-04-01 Mediatek Inc Tracking device for an optical pickup head
US6426845B1 (en) 1998-05-21 2002-07-30 Seagate Technology Llc Asynchronous analog demodulator and method for a null-type servo pattern
US6195220B1 (en) * 1998-05-21 2001-02-27 Seagate Technology Llc Method and apparatus utilizing field ratioing demodulation techniques for a null-type servo pattern
US6181505B1 (en) 1998-06-26 2001-01-30 Seagate Technology Llc Synchronous digital demodulator with integrated read and servo channels
US6377413B1 (en) 1999-03-26 2002-04-23 Seagate Technology Llc Method and apparatus for encoding identification information on a magnetic disc
US6490117B1 (en) 1999-03-26 2002-12-03 Seagate Technology Llc Method of thermally printing servo patterns on magnetic media
US7509403B1 (en) 2000-09-28 2009-03-24 Alcatel-Lucent Usa Inc. Method and apparatus for SONET/SDH ring load balancing
US6898170B2 (en) 2001-01-25 2005-05-24 Dphi Acquisitions, Inc. PMAD/PSA digital feedback system
US6876609B2 (en) 2001-01-25 2005-04-05 Dphi Acquisitions, Inc. System and method for controlling a spin motor
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
US7079459B2 (en) * 2001-01-25 2006-07-18 Dphi Acquisitions, Inc. System and method for performing a spin motor startup operation
US6901040B2 (en) * 2001-01-25 2005-05-31 Dphi Acquisitions, Inc. Kp and Ki lookup system and method
KR100686167B1 (ko) * 2001-04-13 2007-02-23 엘지전자 주식회사 광 기록매체의 트랙 점프 방법 및 장치
JP4549569B2 (ja) * 2001-05-14 2010-09-22 本田技研工業株式会社 プラントの制御装置
US6490237B1 (en) 2001-05-14 2002-12-03 Cirrus Logic, Inc. Fuzzy inference system and method for optical disc discrimination
US20030218947A1 (en) * 2002-05-21 2003-11-27 Oak Technology, Inc. Transducer for converting digital AV content to optical compatible signals and associated operating method
EP1576592A2 (en) * 2002-12-19 2005-09-21 Koninklijke Philips Electronics N.V. Disc drive with improved resistance against mechanical shocks
TW200514049A (en) * 2003-10-15 2005-04-16 Ali Corp Method for detecting an unbalance disc
CN1875408A (zh) * 2003-10-28 2006-12-06 皇家飞利浦电子股份有限公司 盘驱动设备
US7133235B2 (en) * 2004-02-25 2006-11-07 Hitachi Global Storage Technologies Netherlands, B.V. System and method for correcting for head tilt in HDD
US7190140B2 (en) * 2004-04-05 2007-03-13 Sodick Co., Ltd. Sliding mode controller position control device
WO2006077548A2 (en) * 2005-01-21 2006-07-27 Koninklijke Philips Electronics N.V. Disc drive apparatus with non-linear observer
US20070076552A1 (en) * 2005-10-04 2007-04-05 Ming-Yang Chao Parameter updating methods and systems for optical disc accessing
EP3171235B1 (en) * 2015-11-19 2020-04-29 Omron Corporation Control device, control method, information processing program, and recording medium
JP6531682B2 (ja) * 2016-03-11 2019-06-19 オムロン株式会社 モータ制御装置、モータ制御方法、プログラム、および記録媒体
CN111131117B (zh) * 2019-12-23 2022-07-15 西安烽火电子科技有限责任公司 一种扩频信号多周期捕获快速解调方法及解扩接收机

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