JPS5835769A - 磁気デイスク装置 - Google Patents
磁気デイスク装置Info
- Publication number
- JPS5835769A JPS5835769A JP56131501A JP13150181A JPS5835769A JP S5835769 A JPS5835769 A JP S5835769A JP 56131501 A JP56131501 A JP 56131501A JP 13150181 A JP13150181 A JP 13150181A JP S5835769 A JPS5835769 A JP S5835769A
- Authority
- JP
- Japan
- Prior art keywords
- track
- head
- servo
- data
- 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.)
- Pending
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
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk 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
- G11B5/596—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
- G11B5/59633—Servo formatting
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56131501A JPS5835769A (ja) | 1981-08-24 | 1981-08-24 | 磁気デイスク装置 |
US06/407,080 US4551777A (en) | 1981-08-24 | 1982-08-11 | Tracking servo system for magnetic recording and reproducing apparatus using flexible magnetic disk |
DE19823231248 DE3231248A1 (de) | 1981-08-24 | 1982-08-23 | Nachlaufservosystem fuer magnetische, flexible magnetplatten verwendende aufzeichnungs- und wiedergabegeraete |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56131501A JPS5835769A (ja) | 1981-08-24 | 1981-08-24 | 磁気デイスク装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5835769A true JPS5835769A (ja) | 1983-03-02 |
Family
ID=15059486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56131501A Pending JPS5835769A (ja) | 1981-08-24 | 1981-08-24 | 磁気デイスク装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4551777A (US07321065-20080122-C00160.png) |
JP (1) | JPS5835769A (US07321065-20080122-C00160.png) |
DE (1) | DE3231248A1 (US07321065-20080122-C00160.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7359133B2 (en) | 2001-06-15 | 2008-04-15 | Fujifilm Corporation | Magnetic recording medium and drive apparatus therefor |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4513333A (en) * | 1982-02-24 | 1985-04-23 | Dymek Corporation | Diagnostic recording |
JPS59112406A (ja) * | 1982-12-17 | 1984-06-28 | Sony Corp | Pcm信号の記録再生方法 |
JPS60163214A (ja) * | 1984-02-03 | 1985-08-26 | Canon Electronics Inc | 磁気ヘツド及びその製造方法 |
DE3714986A1 (de) * | 1987-05-06 | 1988-11-17 | Thomson Brandt Gmbh | Recorder mit spurfuehrung |
US5001579A (en) * | 1988-05-27 | 1991-03-19 | Eastman Kodak Company | Method and apparatus for centering a transducer over a recorded track on a rotary storage medium |
US5245487A (en) * | 1989-01-27 | 1993-09-14 | International Business Machines Corporation | Transducer head for rigid disk drive |
US5285331A (en) * | 1989-02-23 | 1994-02-08 | Wangtek Incorporated | System for aligning a read head gap over a track of magnetic data |
US5568331A (en) * | 1989-10-27 | 1996-10-22 | Hitachi, Ltd. | Method of head positioning and magnetic recording disk drive using the same |
US6028731A (en) * | 1996-03-29 | 2000-02-22 | Bond; Charles R. | Method and system for providing servo signals to a magnetic head positioning system of disk drive |
US6025970A (en) * | 1997-08-07 | 2000-02-15 | International Business Machines Corporation | Digital demodulation of a complementary two-frequency servo PES pattern |
US5966264A (en) * | 1997-08-07 | 1999-10-12 | International Business Machines Cororation | Two frequency servo PES pattern |
WO2001001398A1 (fr) * | 1999-06-28 | 2001-01-04 | Matsushita Electric Industrial Co., Ltd. | Dispositif d'enregistrement/reproduction magnetique |
JP2003115177A (ja) * | 2001-10-02 | 2003-04-18 | Mitsumi Electric Co Ltd | フレキシブルディスクドライブ制御方法 |
JP3776797B2 (ja) * | 2001-12-28 | 2006-05-17 | 株式会社東芝 | 磁気記録再生装置 |
US7499235B2 (en) * | 2005-03-18 | 2009-03-03 | Quantum Corporation | Auto-servo tape system and associated recording head |
US7760465B2 (en) | 2005-10-25 | 2010-07-20 | International Business Machines Corporation | Magnetic head having selectively defined reader gap thicknesses |
US7826169B2 (en) | 2007-04-25 | 2010-11-02 | Quantum Corporation | Servo error detection and compensation utilizing virtual data tracking servo methods |
GB2518677A (en) | 2013-09-30 | 2015-04-01 | Ibm | Tape storage medium |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3263031A (en) * | 1962-05-29 | 1966-07-26 | Sperry Rand Corp | High-low frequency homing |
US3292168A (en) * | 1962-08-13 | 1966-12-13 | Sperry Rand Corp | High resolution, head positioner system |
US3491347A (en) * | 1967-03-20 | 1970-01-20 | North American Rockwell | Servo system for positioning transducers at track locations |
US3691543A (en) * | 1971-02-08 | 1972-09-12 | Ibm | Positioning system including servo track configuration and associated demodulator |
JPS5620622B2 (US07321065-20080122-C00160.png) * | 1972-12-14 | 1981-05-14 | ||
CA1067997A (en) * | 1974-07-15 | 1979-12-11 | Jacob De Boer | Servo system for controlling the position of a reading head |
DE2439546A1 (de) * | 1974-08-17 | 1976-02-26 | Basf Ag | Spurlageregelung bei magnetodynamischen speichern sowie magnetogrammtraeger dafuer |
FR2299694A1 (fr) * | 1975-01-31 | 1976-08-27 | Ibm | Dispositif d'acces aux pistes d'un milieu d'enregistrement tel qu'un disque magnetique |
US4007493A (en) * | 1975-05-06 | 1977-02-08 | Burroughs Corporation | Track positioning system for magnetic transducer head |
NL7702815A (nl) * | 1977-03-16 | 1978-09-19 | Philips Nv | Werkwijze voor het regelen van de positie van een schrijf- respektievelijk leeskop en een inrichting voor het uitvoeren van de werkwijze. |
US4164781A (en) * | 1978-04-11 | 1979-08-14 | Decitek | Track servoing system using signals from tunnel erase heads |
JPS5564622A (en) * | 1978-11-06 | 1980-05-15 | Fujitsu Ltd | Magnetic head |
-
1981
- 1981-08-24 JP JP56131501A patent/JPS5835769A/ja active Pending
-
1982
- 1982-08-11 US US06/407,080 patent/US4551777A/en not_active Expired - Fee Related
- 1982-08-23 DE DE19823231248 patent/DE3231248A1/de active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7359133B2 (en) | 2001-06-15 | 2008-04-15 | Fujifilm Corporation | Magnetic recording medium and drive apparatus therefor |
Also Published As
Publication number | Publication date |
---|---|
DE3231248C2 (US07321065-20080122-C00160.png) | 1987-10-08 |
US4551777A (en) | 1985-11-05 |
DE3231248A1 (de) | 1983-03-10 |