CN100377073C - 用于同步采样时基伺服系统的补偿器 - Google Patents

用于同步采样时基伺服系统的补偿器 Download PDF

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Publication number
CN100377073C
CN100377073C CNB2005101254311A CN200510125431A CN100377073C CN 100377073 C CN100377073 C CN 100377073C CN B2005101254311 A CNB2005101254311 A CN B2005101254311A CN 200510125431 A CN200510125431 A CN 200510125431A CN 100377073 C CN100377073 C CN 100377073C
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CN
China
Prior art keywords
tape
tape head
position signal
processing system
signal
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.)
Expired - Fee Related
Application number
CNB2005101254311A
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English (en)
Chinese (zh)
Other versions
CN1801333A (zh
Inventor
南布依
兰迪·英奇
小仓英司
鹤田和弘
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International Business Machines Corp
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International Business Machines Corp
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Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of CN1801333A publication Critical patent/CN1801333A/zh
Application granted granted Critical
Publication of CN100377073C publication Critical patent/CN100377073C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/675—Guiding containers, e.g. loading, ejecting cassettes
    • G11B15/68—Automatic cassette changing arrangements; automatic tape changing arrangements
    • G11B15/6845—Automatic cassette changing arrangements; automatic tape changing arrangements with rotatable magazine
    • G11B15/687—Automatic cassette changing arrangements; automatic tape changing arrangements with rotatable magazine the cassettes being arranged in multiple levels
    • G11B15/688—Automatic cassette changing arrangements; automatic tape changing arrangements with rotatable magazine the cassettes being arranged in multiple levels the cassettes being transferred to a fixed recorder or player using a moving carriage

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Automatic Tape Cassette Changers (AREA)
  • Feedback Control In General (AREA)
CNB2005101254311A 2004-12-15 2005-11-17 用于同步采样时基伺服系统的补偿器 Expired - Fee Related CN100377073C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/012,950 2004-12-15
US11/012,950 US7110212B2 (en) 2004-12-15 2004-12-15 Compensator for a synchronous sampling time-base servo system

Publications (2)

Publication Number Publication Date
CN1801333A CN1801333A (zh) 2006-07-12
CN100377073C true CN100377073C (zh) 2008-03-26

Family

ID=36583495

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005101254311A Expired - Fee Related CN100377073C (zh) 2004-12-15 2005-11-17 用于同步采样时基伺服系统的补偿器

Country Status (3)

Country Link
US (1) US7110212B2 (https=)
JP (1) JP4448491B2 (https=)
CN (1) CN100377073C (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8014879B2 (en) * 2005-11-11 2011-09-06 L&L Engineering, Llc Methods and systems for adaptive control
US7280307B2 (en) * 2006-02-10 2007-10-09 International Business Machines Corporation Track following servo actuator offset calibration for tape drive
US8050800B2 (en) * 2007-10-21 2011-11-01 Ge Intelligent Platforms, Inc. Method and system for meeting end conditions in a motion control system
US7847496B2 (en) * 2008-02-15 2010-12-07 International Business Machines Corporation Dynamic tape drive calibration
US8665552B2 (en) 2010-07-12 2014-03-04 Hewlett-Packard Development Company, L.P. Controlling positions of storage media heads
US8773800B2 (en) * 2010-10-08 2014-07-08 Quantum Corporation Adaptive disturbance compensation with multi-rate synchronized sampling
US9159347B1 (en) * 2014-06-17 2015-10-13 International Business Machines Corporation Usage of state information from state-space based track-follow controller
US9524741B1 (en) * 2015-10-30 2016-12-20 International Business Machines Corporation High-density pattern detector for hybrid servo patterns

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4794472A (en) * 1985-07-30 1988-12-27 Matsushita Electric Industrial Co., Ltd. Video tape reproducing apparatus with a processor that time-shares different operations
CN1124399A (zh) * 1994-06-30 1996-06-12 国际商业机器公司 用于磁带系统的基于定时的伺服系统
CN1329335A (zh) * 2000-06-09 2002-01-02 国际商业机器公司 粗调驱动装置的伺服系统
US6356803B1 (en) * 2000-05-19 2002-03-12 International Business Machines Corporation Automated data storage library distributed control system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5055951A (en) 1989-03-10 1991-10-08 Irwin Magnetic Systems, Inc. Method and apparatus for servo-positioning movable transducer heads
US6201652B1 (en) 1998-05-29 2001-03-13 Stmicroelectronics, Inc. Method and apparatus for reading and writing gray code servo data to magnetic medium using synchronous detection
US6574066B1 (en) 2000-02-17 2003-06-03 Imation Corp. Time-based optical servo system and method
US6813112B2 (en) 2001-09-06 2004-11-02 International Business Machines Corporation Method, apparatus and software for tape drive mechanical fault detection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4794472A (en) * 1985-07-30 1988-12-27 Matsushita Electric Industrial Co., Ltd. Video tape reproducing apparatus with a processor that time-shares different operations
CN1124399A (zh) * 1994-06-30 1996-06-12 国际商业机器公司 用于磁带系统的基于定时的伺服系统
US6356803B1 (en) * 2000-05-19 2002-03-12 International Business Machines Corporation Automated data storage library distributed control system
CN1329335A (zh) * 2000-06-09 2002-01-02 国际商业机器公司 粗调驱动装置的伺服系统

Also Published As

Publication number Publication date
JP2006172704A (ja) 2006-06-29
CN1801333A (zh) 2006-07-12
US7110212B2 (en) 2006-09-19
JP4448491B2 (ja) 2010-04-07
US20060126214A1 (en) 2006-06-15

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SE01 Entry into force of request for substantive examination
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080326

Termination date: 20181117

CF01 Termination of patent right due to non-payment of annual fee