CN105144291B - 用于验证带介质中的伺服图形的方法和设备 - Google Patents

用于验证带介质中的伺服图形的方法和设备 Download PDF

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Publication number
CN105144291B
CN105144291B CN201480022800.1A CN201480022800A CN105144291B CN 105144291 B CN105144291 B CN 105144291B CN 201480022800 A CN201480022800 A CN 201480022800A CN 105144291 B CN105144291 B CN 105144291B
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CN
China
Prior art keywords
servo
demodulation
verify
verifying
stripe
Prior art date
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Active
Application number
CN201480022800.1A
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English (en)
Chinese (zh)
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CN105144291A (zh
Inventor
S·G·崔伯特
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Oracle International Corp
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Oracle International Corp
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.)
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Publication date
Application filed by Oracle International Corp filed Critical Oracle International Corp
Publication of CN105144291A publication Critical patent/CN105144291A/zh
Application granted granted Critical
Publication of CN105144291B publication Critical patent/CN105144291B/zh
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Classifications

    • 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
    • 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
    • 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
    • G11B15/005—Programmed access in sequence to indexed parts of tracks of operating tapes, by driving or guiding the tape
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/086—Access to indexed tracks or parts of continuous track on tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/086—Access to indexed tracks or parts of continuous track on tapes
    • G11B21/088—Access to indexed tracks or parts of continuous track on tapes with track following of accessed part
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
CN201480022800.1A 2013-03-13 2014-03-05 用于验证带介质中的伺服图形的方法和设备 Active CN105144291B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/802,629 US9378764B2 (en) 2013-03-13 2013-03-13 Method and device for verifying a servo pattern in tape media
US13/802,629 2013-03-13
PCT/US2014/020610 WO2014164110A1 (en) 2013-03-13 2014-03-05 Method and device for verifying a servo pattern in tape media

Publications (2)

Publication Number Publication Date
CN105144291A CN105144291A (zh) 2015-12-09
CN105144291B true CN105144291B (zh) 2018-06-05

Family

ID=50336576

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480022800.1A Active CN105144291B (zh) 2013-03-13 2014-03-05 用于验证带介质中的伺服图形的方法和设备

Country Status (7)

Country Link
US (1) US9378764B2 (enExample)
EP (1) EP2973562B1 (enExample)
JP (1) JP6348962B2 (enExample)
CN (1) CN105144291B (enExample)
AU (1) AU2014249715B2 (enExample)
NZ (1) NZ712892A (enExample)
WO (1) WO2014164110A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9640209B1 (en) * 2016-09-20 2017-05-02 International Business Machines Corporation Generating defect signals in time based servo tape storage systems
US10242709B1 (en) * 2017-12-20 2019-03-26 International Business Machines Corporation Detecting damaged areas on magnetic tape based on measuring a number of servo errors
JP7531425B2 (ja) * 2021-02-26 2024-08-09 富士フイルム株式会社 磁気テープおよび磁気テープ収容体

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1783224A (zh) * 1994-06-30 2006-06-07 国际商业机器公司 伺服控制系统及数据存储系统
CN1971715A (zh) * 2005-11-22 2007-05-30 国际商业机器公司 感测定时伺服信号的设备和磁带驱动器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0766640B2 (ja) 1985-12-13 1995-07-19 株式会社日立製作所 サ−ボパタ−ン書込方法
US6031673A (en) 1998-03-04 2000-02-29 Hewlett-Packard Company Servo band verification in linear tape systems having timing-based servo formats
JP3919372B2 (ja) * 1999-02-22 2007-05-23 富士フイルム株式会社 サーボ信号ベリファイ装置
JP2001266321A (ja) * 2000-03-16 2001-09-28 Otari Kk テープのサーボパターンの検証装置
JP2003006826A (ja) 2001-06-27 2003-01-10 Fuji Photo Film Co Ltd サーボ信号検査装置
US6738210B1 (en) 2001-07-16 2004-05-18 Imation Corp. Amplitude detection for full band servo verification
DE10156182A1 (de) 2001-11-15 2003-05-28 Philips Corp Intellectual Pty Kathodenstrahlröhre mit Korrektursystem für die Position des Elektronenstrahls
JP2004145949A (ja) * 2002-10-23 2004-05-20 Fuji Photo Film Co Ltd サーボ信号検査装置
US7095583B2 (en) * 2004-06-02 2006-08-22 Imation Corp. Dual mode servo pattern
US7196859B2 (en) * 2004-07-09 2007-03-27 Imation Corp. Processing techniques for time-based servo patterns

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1783224A (zh) * 1994-06-30 2006-06-07 国际商业机器公司 伺服控制系统及数据存储系统
CN1971715A (zh) * 2005-11-22 2007-05-30 国际商业机器公司 感测定时伺服信号的设备和磁带驱动器

Also Published As

Publication number Publication date
HK1218346A1 (zh) 2017-02-10
JP2016510934A (ja) 2016-04-11
AU2014249715A1 (en) 2015-10-01
NZ712892A (en) 2018-08-31
US9378764B2 (en) 2016-06-28
AU2014249715B2 (en) 2018-02-22
JP6348962B2 (ja) 2018-06-27
CN105144291A (zh) 2015-12-09
US20140269242A1 (en) 2014-09-18
WO2014164110A1 (en) 2014-10-09
EP2973562B1 (en) 2018-04-25
EP2973562A1 (en) 2016-01-20

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