JP2008237014A5 - - Google Patents

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Publication number
JP2008237014A5
JP2008237014A5 JP2008073906A JP2008073906A JP2008237014A5 JP 2008237014 A5 JP2008237014 A5 JP 2008237014A5 JP 2008073906 A JP2008073906 A JP 2008073906A JP 2008073906 A JP2008073906 A JP 2008073906A JP 2008237014 A5 JP2008237014 A5 JP 2008237014A5
Authority
JP
Japan
Prior art keywords
motor
drive
width
pulse
speed
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
JP2008073906A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008237014A (ja
Filing date
Publication date
Priority claimed from KR1020070027222A external-priority patent/KR20080085541A/ko
Application filed filed Critical
Publication of JP2008237014A publication Critical patent/JP2008237014A/ja
Publication of JP2008237014A5 publication Critical patent/JP2008237014A5/ja
Pending legal-status Critical Current

Links

JP2008073906A 2007-03-20 2008-03-21 モータ駆動方法、ディスクドライブ及びコンピュータで読み取り可能な記録媒体 Pending JP2008237014A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020070027222A KR20080085541A (ko) 2007-03-20 2007-03-20 스핀들 모터 개루프 구동 방법 및 이를 이용한 디스크드라이브
US12/052,034 US20080231218A1 (en) 2007-03-20 2008-03-20 Apparatus and method of driving motor, and drive apparatus using the same

Publications (2)

Publication Number Publication Date
JP2008237014A JP2008237014A (ja) 2008-10-02
JP2008237014A5 true JP2008237014A5 (enExample) 2011-05-06

Family

ID=39774012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008073906A Pending JP2008237014A (ja) 2007-03-20 2008-03-21 モータ駆動方法、ディスクドライブ及びコンピュータで読み取り可能な記録媒体

Country Status (3)

Country Link
US (1) US20080231218A1 (enExample)
JP (1) JP2008237014A (enExample)
KR (1) KR20080085541A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100712335B1 (ko) * 2006-02-09 2007-05-02 주식회사 히타치엘지 데이터 스토리지 코리아 광디스크 장치
US8077569B2 (en) * 2008-05-05 2011-12-13 Mediatek Inc. Methods and devices for controlling access to an optical disc
US10523144B1 (en) 2018-06-15 2019-12-31 Texas Instruments Incorporated Operational mode control of a motor
US11916496B2 (en) 2021-06-30 2024-02-27 Texas Instruments Incorporated Motor controller and a method for controlling a motor
US11764710B2 (en) 2021-06-30 2023-09-19 Texas Instruments Incorporated Automatic transition of motor controller from open-loop control to closed-loop control
US11728751B2 (en) 2021-08-31 2023-08-15 Texas Instruments Incorporated Resynchronization of brushless DC motors
US12198722B2 (en) * 2023-05-08 2025-01-14 Western Digital Technologies, Inc. Enhancing spin up and spin down times for data storage devices

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4739240A (en) * 1987-04-29 1988-04-19 General Electric Company Commutator for switched reluctance drive
JPH0828996B2 (ja) * 1991-07-02 1996-03-21 スター精密株式会社 ステッピングモータの駆動制御方法
US5841252A (en) * 1995-03-31 1998-11-24 Seagate Technology, Inc. Detection of starting motor position in a brushless DC motor
US6594105B1 (en) * 1999-04-21 2003-07-15 Seagate Technology Llc Time optimal seeks using linear velocity scheduling
US6339303B1 (en) * 2000-03-31 2002-01-15 International Business Machines Corporation System, method, and program product for controlling communication of disk drive motor
US20020054451A1 (en) * 2000-11-06 2002-05-09 Moon Myung Soo VCM head position detection and control with back EMF
US6710567B2 (en) * 2000-11-27 2004-03-23 Seagate Technology Llc Velocity dependent reference profile for spindle motor acceleration control
US7002884B2 (en) * 2002-12-30 2006-02-21 Matsushita Electric Industrial Co., Ltd. Intermediate power down mode for a rotatable media data storage device

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