CN102016996B - 用于改进伺服数据操作的系统和方法 - Google Patents
用于改进伺服数据操作的系统和方法 Download PDFInfo
- Publication number
- CN102016996B CN102016996B CN200880129102.6A CN200880129102A CN102016996B CN 102016996 B CN102016996 B CN 102016996B CN 200880129102 A CN200880129102 A CN 200880129102A CN 102016996 B CN102016996 B CN 102016996B
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- China
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- data
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- 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
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 239000003550 marker Substances 0.000 claims abstract description 51
- 238000004364 calculation method Methods 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims description 22
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000011084 recovery Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 description 18
- 238000012360 testing method Methods 0.000 description 14
- 230000000712 assembly Effects 0.000 description 13
- 238000000429 assembly Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 230000006872 improvement Effects 0.000 description 8
- 238000011282 treatment Methods 0.000 description 6
- 238000012937 correction Methods 0.000 description 5
- 238000013480 data collection Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000011664 signaling Effects 0.000 description 4
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- 230000001965 increasing effect Effects 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 1
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- 125000006850 spacer group Chemical group 0.000 description 1
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
- 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
- G11B5/596—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 disks
- G11B5/59688—Servo signal format patterns or signal processing thereof, e.g. dual, tri, quad, burst signal patterns
-
- 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)
- Moving Of The Head To Find And Align With The Track (AREA)
Abstract
Description
Claims (17)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2008/078047 WO2010036269A1 (en) | 2008-09-29 | 2008-09-29 | Systems and methods for improved servo data operation |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102016996A CN102016996A (zh) | 2011-04-13 |
CN102016996B true CN102016996B (zh) | 2014-11-26 |
Family
ID=42060011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200880129102.6A Expired - Fee Related CN102016996B (zh) | 2008-09-29 | 2008-09-29 | 用于改进伺服数据操作的系统和方法 |
Country Status (7)
Country | Link |
---|---|
US (2) | US8462455B2 (zh) |
EP (1) | EP2342710A4 (zh) |
JP (1) | JP5276176B2 (zh) |
KR (1) | KR101482296B1 (zh) |
CN (1) | CN102016996B (zh) |
TW (1) | TWI452569B (zh) |
WO (1) | WO2010036269A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8995596B1 (en) * | 2012-02-08 | 2015-03-31 | Altera Corporation | Techniques for calibrating a clock signal |
US9147416B2 (en) * | 2014-02-25 | 2015-09-29 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Systems and methods for multi-head servo data processing |
WO2016106548A1 (zh) * | 2014-12-30 | 2016-07-07 | 华为技术有限公司 | 时钟恢复装置 |
US9564168B2 (en) * | 2015-04-07 | 2017-02-07 | International Business Machines Corporation | Adjustable interpolation sampling interval for tape systems |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1161971C (zh) * | 1997-01-21 | 2004-08-11 | 索尼公司 | 图象处理装置和处理方法 |
US6876511B2 (en) * | 2002-08-30 | 2005-04-05 | Kabushiki Kaisha Toshiba | Disk drive and method of detecting servo address mark in the same |
US7082005B2 (en) * | 2001-10-24 | 2006-07-25 | Agere Systems Inc. | Servo data detection in the presence or absence of radial incoherence using digital interpolators |
US7362536B1 (en) * | 2005-07-08 | 2008-04-22 | Maxtor Corporation | Disk drive that compensates for phase incoherence between radially adjacent servo tracks and methods thereof |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6643082B1 (en) * | 1999-06-08 | 2003-11-04 | Seagate Technology Llc | Servo sector format for a patterned media |
US6519107B1 (en) * | 1999-09-24 | 2003-02-11 | Maxtor Corporation | Hard disk drive having self-written servo burst patterns |
US6462899B1 (en) * | 2000-01-04 | 2002-10-08 | International Business Machines Corporation | Initialization and calibration of a recording system track following servo |
US6798594B2 (en) * | 2000-10-10 | 2004-09-28 | Seagate Technology Llc | Position sensing system for a disc drive using micro-servo sectors and side-by-side R/W recording elements |
JP2005078786A (ja) * | 2003-09-04 | 2005-03-24 | Hitachi Global Storage Technologies Inc | 磁気ディスク装置及びそのためのサーボパターン記録方法 |
JP4295205B2 (ja) * | 2004-12-27 | 2009-07-15 | ヒタチグローバルストレージテクノロジーズネザーランドビーブイ | 磁気ディスク装置及び記録再生方法 |
JP4717610B2 (ja) * | 2005-11-28 | 2011-07-06 | ヒタチグローバルストレージテクノロジーズネザーランドビーブイ | メディアにパターンを書き込む方法及びデータ記憶装置 |
US7365929B2 (en) * | 2006-07-30 | 2008-04-29 | International Business Machines Corporation | Synchronous servo channel for tape drive systems |
US7643235B2 (en) | 2006-09-28 | 2010-01-05 | Seagate Technology Llc | Synchronization for data communication |
JP4859679B2 (ja) * | 2007-01-10 | 2012-01-25 | ヒタチグローバルストレージテクノロジーズネザーランドビーブイ | 記録ディスク及びディスク装置 |
-
2008
- 2008-09-29 JP JP2011528997A patent/JP5276176B2/ja not_active Expired - Fee Related
- 2008-09-29 KR KR1020107025499A patent/KR101482296B1/ko not_active IP Right Cessation
- 2008-09-29 CN CN200880129102.6A patent/CN102016996B/zh not_active Expired - Fee Related
- 2008-09-29 WO PCT/US2008/078047 patent/WO2010036269A1/en active Application Filing
- 2008-09-29 EP EP08823907.4A patent/EP2342710A4/en not_active Withdrawn
- 2008-09-29 US US12/992,940 patent/US8462455B2/en not_active Expired - Fee Related
- 2008-11-10 TW TW097143367A patent/TWI452569B/zh not_active IP Right Cessation
-
2013
- 2013-05-14 US US13/893,742 patent/US8749906B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1161971C (zh) * | 1997-01-21 | 2004-08-11 | 索尼公司 | 图象处理装置和处理方法 |
US7082005B2 (en) * | 2001-10-24 | 2006-07-25 | Agere Systems Inc. | Servo data detection in the presence or absence of radial incoherence using digital interpolators |
US6876511B2 (en) * | 2002-08-30 | 2005-04-05 | Kabushiki Kaisha Toshiba | Disk drive and method of detecting servo address mark in the same |
US7362536B1 (en) * | 2005-07-08 | 2008-04-22 | Maxtor Corporation | Disk drive that compensates for phase incoherence between radially adjacent servo tracks and methods thereof |
Also Published As
Publication number | Publication date |
---|---|
US20110063746A1 (en) | 2011-03-17 |
US8749906B2 (en) | 2014-06-10 |
CN102016996A (zh) | 2011-04-13 |
WO2010036269A1 (en) | 2010-04-01 |
EP2342710A1 (en) | 2011-07-13 |
US8462455B2 (en) | 2013-06-11 |
KR101482296B1 (ko) | 2015-01-13 |
TW201013644A (en) | 2010-04-01 |
EP2342710A4 (en) | 2015-10-28 |
JP2012504298A (ja) | 2012-02-16 |
KR20110061515A (ko) | 2011-06-09 |
US20130250745A1 (en) | 2013-09-26 |
TWI452569B (zh) | 2014-09-11 |
JP5276176B2 (ja) | 2013-08-28 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: AGERE SYSTEMS GUARDIAN CORP. Free format text: FORMER NAME: EGREE SYSTEM CO. LTD. |
|
CP03 | Change of name, title or address |
Address after: Delaware Patentee after: EDGAR RAY SYSTEMS CO., LTD. Address before: American Pennsylvania Patentee before: Egree System Co., Ltd. |
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ASS | Succession or assignment of patent right |
Owner name: AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) CORPORAT Free format text: FORMER OWNER: AGERE SYSTEMS GUARDIAN CORP. Effective date: 20150820 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150820 Address after: Singapore Singapore Patentee after: Avago Technologies Fiber IP Singapore Pte. Ltd. Address before: Delaware Patentee before: EDGAR RAY SYSTEMS CO., LTD. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20160929 |
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CF01 | Termination of patent right due to non-payment of annual fee |