DE19882210T1 - Band-Servosystem und Verfahren, Lese-/Schreibköpfe und Servospurkonfigurationen hinsichtlich derselben - Google Patents
Band-Servosystem und Verfahren, Lese-/Schreibköpfe und Servospurkonfigurationen hinsichtlich derselbenInfo
- Publication number
- DE19882210T1 DE19882210T1 DE19882210T DE19882210T DE19882210T1 DE 19882210 T1 DE19882210 T1 DE 19882210T1 DE 19882210 T DE19882210 T DE 19882210T DE 19882210 T DE19882210 T DE 19882210T DE 19882210 T1 DE19882210 T1 DE 19882210T1
- Authority
- DE
- Germany
- Prior art keywords
- read
- write heads
- servo
- configurations related
- tape
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- G11B5/54—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 into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5504—Track change, selection or acquisition by displacement of the head across tape tracks
- G11B5/5508—Control circuits therefor
-
- 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
- G11B21/083—Access to indexed tracks or parts of continuous track on discs
-
- 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
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
- G11B21/103—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on tapes
-
- 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
- G11B5/54—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 into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5504—Track change, selection or acquisition by displacement of the head across tape tracks
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/811,390 US5946156A (en) | 1997-03-04 | 1997-03-04 | Tape servo system and methods, write/read heads, and servo track configurations regarding same |
PCT/US1998/002866 WO1998039771A1 (en) | 1997-03-04 | 1998-02-12 | Tape servo system and methods, write/read heads, and servo track configurations regarding same |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19882210T1 true DE19882210T1 (de) | 2000-03-30 |
Family
ID=25206407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19882210T Withdrawn DE19882210T1 (de) | 1997-03-04 | 1998-02-12 | Band-Servosystem und Verfahren, Lese-/Schreibköpfe und Servospurkonfigurationen hinsichtlich derselben |
Country Status (5)
Country | Link |
---|---|
US (2) | US5946156A (de) |
JP (1) | JP2001513247A (de) |
CN (1) | CN1249840A (de) |
DE (1) | DE19882210T1 (de) |
WO (1) | WO1998039771A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3797447B2 (ja) * | 1997-04-08 | 2006-07-19 | パイオニア株式会社 | 情報記録再生装置 |
US6134070A (en) * | 1997-05-22 | 2000-10-17 | Imation Corp. | Encoded servo track configurations, servo writer and systems/method regarding same |
US6005737A (en) * | 1997-05-24 | 1999-12-21 | Seagate Technology, Inc. | Magnetic tape drive having improved servo control |
US6018444A (en) * | 1997-10-28 | 2000-01-25 | Hewlett-Packard Company | Batch fabricated servo write head having low write-gap linewidth variation |
USRE40413E1 (en) * | 1998-11-06 | 2008-07-01 | Purchased Patent Management Llc | Method and apparatus for developing a dynamic servo signal from data |
US6381088B1 (en) | 1998-11-06 | 2002-04-30 | Acorn Technologies, Inc. | Apparatus for developing a dynamic servo signal from data in a magnetic disc drive and method |
US6594103B1 (en) | 1999-11-12 | 2003-07-15 | Acorn Technologies, Inc. | Read channel generating absolute value servo signal |
US6545836B1 (en) | 1999-11-12 | 2003-04-08 | Acorn Technologies, Inc. | Servo control apparatus and method using absolute value input signals |
US6721126B1 (en) | 2000-08-16 | 2004-04-13 | International Business Machines Corporation | Position identification for a coarse actuator portion of a compound actuator |
US6690531B2 (en) | 2000-12-22 | 2004-02-10 | Imation Corp. | Dynamic tape path adjustment |
US20030002193A1 (en) * | 2001-06-28 | 2003-01-02 | Echere Iroaga | Method of providing a programmable voltage bias during multi channel servo mode |
US6934115B1 (en) * | 2002-04-25 | 2005-08-23 | Storage Technology Corporation | Band identification using a single C-core servo write head for timing based servo patterns |
JP4080233B2 (ja) * | 2002-05-07 | 2008-04-23 | 富士通株式会社 | 磁気記録装置および磁気記録媒体 |
US6831805B2 (en) * | 2002-06-27 | 2004-12-14 | International Business Machines Corporation | Apparatus and method to read and/or write information to a magnetic tape medium |
JP2004145949A (ja) * | 2002-10-23 | 2004-05-20 | Fuji Photo Film Co Ltd | サーボ信号検査装置 |
JP4157412B2 (ja) * | 2003-04-15 | 2008-10-01 | 富士フイルム株式会社 | 磁気テープおよびその製造方法、サーボライタ、ならびにサーボバンドの識別方法および装置 |
US7646558B2 (en) * | 2007-01-23 | 2010-01-12 | Sun Microsystems, Inc. | Positioning system and method for a transducer head |
WO2009014706A1 (en) * | 2007-07-23 | 2009-01-29 | Rod Brittner | Quality of service and streaming attributes for a data storage device |
WO2013046067A1 (en) * | 2011-09-29 | 2013-04-04 | International Business Machines Corporation | Servo control |
GB2518677A (en) * | 2013-09-30 | 2015-04-01 | Ibm | Tape storage medium |
US11448493B2 (en) | 2018-11-27 | 2022-09-20 | International Business Machines Corporation | Calibration of writer offset using media dimensional stability |
JP7170553B2 (ja) * | 2019-02-01 | 2022-11-14 | 株式会社東芝 | 磁気ディスク装置及びリード処理方法 |
US11295772B1 (en) * | 2020-11-14 | 2022-04-05 | Western Digital Technologies, Inc. | Data storage device compensating for tape distortion |
US11605400B2 (en) | 2021-07-20 | 2023-03-14 | International Business Machines Corporation | Tape acclimation acceleration for environmental calibration |
Family Cites Families (57)
Publication number | Priority date | Publication date | Assignee | Title |
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US3576553A (en) * | 1968-04-29 | 1971-04-27 | Ibm | Data transducer positioning servo utilizing compensation network and phase-displaced servo signal pairs of like frequency |
US3864741A (en) * | 1973-06-28 | 1975-02-04 | Ibm | Servo channel equalization network |
FR2299694A1 (fr) * | 1975-01-31 | 1976-08-27 | Ibm | Dispositif d'acces aux pistes d'un milieu d'enregistrement tel qu'un disque magnetique |
US4422111A (en) * | 1979-09-04 | 1983-12-20 | Minnesota Mining And Manufacturing Company | High capacity data cartridge system and preformatted cartridge for use therein |
US4472750A (en) * | 1981-07-02 | 1984-09-18 | Irwin Magnetic Systems, Inc. | Data record with pre-recorded transducer positioning signals, and system for utilizing same |
JPS5862870A (ja) * | 1981-10-12 | 1983-04-14 | Toshiba Corp | 磁気ディスク装置 |
US4409628A (en) * | 1981-11-16 | 1983-10-11 | Honeywell, Inc. | Tape transport speed control using a playback data derived clock signal |
US4414589A (en) * | 1981-12-14 | 1983-11-08 | Northern Telecom Inc. | Embedded servo track following system and method for writing servo tracks |
JPS6043273A (ja) * | 1983-08-20 | 1985-03-07 | Ricoh Co Ltd | 記録・読出用マルチヘツド |
US4586094A (en) * | 1984-03-13 | 1986-04-29 | Irwin Magnetic Systems, Inc. | Method and apparatus for pre-recording tracking information on magnetic media |
JPS60195706A (ja) * | 1984-03-16 | 1985-10-04 | Victor Co Of Japan Ltd | デイジタル信号再生装置 |
US4646175A (en) * | 1984-04-05 | 1987-02-24 | Irwin Magnetic Systems, Inc. | Method and apparatus for positioning transducers by digital conversion of analog-type signals |
US4530019A (en) * | 1984-06-04 | 1985-07-16 | Dma Systems | Servo pattern |
US4642709A (en) * | 1985-10-16 | 1987-02-10 | International Business Machines Corporation | Twin track vertical magnetic recording servo control method |
JPH0668893B2 (ja) * | 1986-01-23 | 1994-08-31 | 日本電信電話株式会社 | 磁気ヘツドの位置決め制御方式 |
US4866548A (en) * | 1986-12-22 | 1989-09-12 | Tandberg Data A/S | Method and arrangement for precise positioning of a magnetic head to various tracks of a magnetic tape |
US5453887A (en) * | 1987-01-13 | 1995-09-26 | Canon Denshi Kabushiki Kaisha | Head tracking servo pattern |
JPH01119914A (ja) * | 1987-10-31 | 1989-05-12 | Sony Corp | ディスク記録装置 |
US5187699A (en) * | 1988-01-22 | 1993-02-16 | U.S. Philips Corporation | Method and apparatus for successively recording two EFM-modulated signals enabling detection of boundary condition for transitioning between signals |
US4979051A (en) * | 1988-03-22 | 1990-12-18 | Eggebeen James A | Bimodal multi-track magnetic head |
US4975791A (en) * | 1988-03-22 | 1990-12-04 | Carlisle Memory Products Group Incorporated | Recording system having head transducers with controlled skew |
US4977472A (en) * | 1988-03-28 | 1990-12-11 | Seagate Technology, Inc. | Servo address system |
JPH0294019A (ja) * | 1988-09-30 | 1990-04-04 | Hitachi Ltd | マルチトラック磁気ヘッド及びそれによるトラッキング制御方法 |
JPH02172014A (ja) * | 1988-12-23 | 1990-07-03 | Hitachi Maxell Ltd | 磁気記録装置 |
US5008765A (en) * | 1989-01-17 | 1991-04-16 | Minnesota Mining And Manufacturing Company | Method and apparatus for reading or writing on tape using a servo positioned multiple channel head |
US4996609A (en) * | 1989-02-22 | 1991-02-26 | Pericomp Corporation | Magnetic head recording multitrack servo patterns |
US5424882A (en) * | 1989-03-13 | 1995-06-13 | Hitachi, Ltd. | Signal processor for discriminating recording data |
US5196969A (en) * | 1989-03-31 | 1993-03-23 | Sharp Kabushiki Kaisha | Head positioning system for serpentine magnetic recording/reproducing system |
US5121270A (en) * | 1989-09-19 | 1992-06-09 | Alcudia Ezra R | Multitransducer head positioning servo for use in a bi-directional magnetic tape system |
US5210660A (en) * | 1990-01-17 | 1993-05-11 | International Business Machines Corporation | Sectored servo independent of data architecture |
US5079663A (en) * | 1990-01-29 | 1992-01-07 | International Business Machines Corporation | Magnetoresistive sensor with track following capability |
US5262908A (en) * | 1990-02-20 | 1993-11-16 | Sharp Kabushiki Kaisha | Tracking control device for magnetic recording/reproducing apparatus |
US5396380A (en) * | 1990-07-16 | 1995-03-07 | Matsushita Electric Industrial Co., Ltd. | Resolution enhancement of absolute track position using iterative process and position bursts with track following capability |
EP0829853A3 (de) * | 1991-06-07 | 1998-05-13 | Minnesota Mining And Manufacturing Company | Mehrspur-Servoaufnahmesystem |
US5229895A (en) * | 1991-06-07 | 1993-07-20 | Minnesota Mining And Manufacturing Company | Multi-track servo recording head assembly |
US5418670A (en) * | 1991-07-29 | 1995-05-23 | Eastman Kodak Company | Magnetic recording medium having a servo pattern of the intermittent type with compensation for suppressing self-generated residual fields |
DE69204847T2 (de) * | 1991-09-03 | 1996-04-18 | Minnesota Mining & Mfg | Verfahren zur Magnetkopf/Magnetspur - Ausrichtung eines Magnetbandspeichers. |
US5726824A (en) * | 1991-12-10 | 1998-03-10 | Exabyte Corporation | Head positioning in a multi-track magnetic tape recorder/player |
US5617269A (en) * | 1991-12-23 | 1997-04-01 | Conner Peripherals, Inc. | System for recording track-centering servo signals on multi-track magnetic medium |
US5408368A (en) * | 1992-02-28 | 1995-04-18 | Ampex Corporation | Digital servo track format |
US5396376A (en) * | 1992-03-23 | 1995-03-07 | Conner Peripherals, Inc. | Multi-track embedded servo recording format and method |
US5377057A (en) * | 1992-03-31 | 1994-12-27 | Tandberg Data A/S | Method and system for tape edge sensing |
DE69217915T2 (de) * | 1992-05-13 | 1997-06-12 | Tandberg Data | Methode und Vorrichtung zur Bestimmung der Bandposition für ein Band unter Verwendung eines speziellen Servo-Formates |
JPH05319233A (ja) * | 1992-05-20 | 1993-12-03 | Mazda Motor Corp | 車両の総合制御装置 |
US5331493A (en) * | 1992-08-21 | 1994-07-19 | Minnesota Mining And Manufacturing Company | Bidirectional thin-film magnetoresistive tape head assembly |
WO1994012975A1 (en) * | 1992-11-20 | 1994-06-09 | Minnesota Mining And Manufacturing Company | Method and apparatus for tape track identification |
US5379165A (en) * | 1993-03-19 | 1995-01-03 | Tandberg Data A/S | Method and apparatus for improving the accuracy of a tape servo track seek algorithm by using longitudinally correlated waveforms of lateral tape movement unique to each tape cassette |
US5450257A (en) * | 1993-03-23 | 1995-09-12 | Minnesota Mining And Manufacturing Company | Head-tape alignment system and method |
US5574602A (en) * | 1993-06-14 | 1996-11-12 | International Business Machines Corporation | Processing servo signals concurrently read from plural spaced-apart servo areas for a magnetic tape having serpentine data track scanning |
US5432652A (en) * | 1993-06-14 | 1995-07-11 | International Business Machines Corporation | Servo and data format for magnetic tape having plural spaced-apart servo areas interleaved with data track areas having serpentine track scanning using any one of a plurality of number of concurrently accessed tracks |
US5448430A (en) * | 1993-08-05 | 1995-09-05 | International Business Machines Corporation | Track following servo demodulation |
JPH07192439A (ja) * | 1993-11-26 | 1995-07-28 | Tandberg Data As | 専用のサーボフォーマットを使用したテープの位置検出方法および検出装置 |
US5384671A (en) * | 1993-12-23 | 1995-01-24 | Quantum Corporation | PRML sampled data channel synchronous servo detector |
US5452150A (en) * | 1994-06-27 | 1995-09-19 | Minnesota Mining And Manufacturing Company | Data cartridge with magnetic tape markers |
US5488525A (en) * | 1994-08-18 | 1996-01-30 | International Business Machines Corporation | Decoupled magnetic head assembly for quarter-inch tape |
US5675448A (en) * | 1994-12-08 | 1997-10-07 | Imation Corp. | Track pitch error compensation system for data cartridge tape drives |
US5726834A (en) * | 1995-06-07 | 1998-03-10 | International Business Machines Corporation | Actuator for servo actuated tape drive |
-
1997
- 1997-03-04 US US08/811,390 patent/US5946156A/en not_active Expired - Fee Related
-
1998
- 1998-02-12 JP JP53853598A patent/JP2001513247A/ja active Pending
- 1998-02-12 WO PCT/US1998/002866 patent/WO1998039771A1/en active Application Filing
- 1998-02-12 DE DE19882210T patent/DE19882210T1/de not_active Withdrawn
- 1998-02-12 CN CN98803084A patent/CN1249840A/zh active Pending
-
1999
- 1999-05-28 US US09/322,879 patent/US6091565A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1249840A (zh) | 2000-04-05 |
US5946156A (en) | 1999-08-31 |
US6091565A (en) | 2000-07-18 |
WO1998039771A1 (en) | 1998-09-11 |
JP2001513247A (ja) | 2001-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8139 | Disposal/non-payment of the annual fee |