US3725764A
(en)
*
|
1971-04-01 |
1973-04-03 |
Ibm |
Servo positioning system for magnetic disk memory including radial runout servo compensation
|
US3914541A
(en)
|
1972-12-11 |
1975-10-21 |
Mca Disco Vision |
Video disc player
|
US3863124A
(en)
|
1973-02-15 |
1975-01-28 |
Ncr Co |
Aerodynamic spacing control apparatus for maintaining a desired spacing between a signal transducer and a recording surface by sensing electrical noise
|
US4030132A
(en)
|
1975-03-27 |
1977-06-14 |
Memorex Corporation |
Dual mode velocity servo control for a linear actuator motor
|
GB1499268A
(en)
|
1976-06-30 |
1978-01-25 |
Ibm |
Servo apparatus
|
GB1549440A
(en)
|
1976-07-06 |
1979-08-08 |
Data Recording Instr Co |
Magnetic storage devices
|
US4135217A
(en)
|
1976-11-02 |
1979-01-16 |
Xerox Corporation |
Utilization of stored run-out information in a track following servo system
|
DE2759066A1
(de)
|
1977-12-30 |
1979-07-12 |
Ibm Deutschland |
Einrichtung fuer die regelung der magnetkopfposition waehrend der spurauswahl und der spurfolge des magnetkopfes eines magnetplattenspeichers
|
US4313134A
(en)
|
1979-10-12 |
1982-01-26 |
Rca Corporation |
Track error correction system as for video disc player
|
US4314295A
(en)
|
1979-10-18 |
1982-02-02 |
Burroughs Corporation |
Linear actuator with staggered flat coils
|
US4329712A
(en)
|
1980-06-24 |
1982-05-11 |
Rca Corporation |
Adaptive distortion elimination circuitry for a video disc player
|
US4355266A
(en)
|
1980-07-31 |
1982-10-19 |
Ampex Corporation |
Eddy current servo system for controlling the rotation of disk packs
|
GB2085189B
(en)
|
1980-09-19 |
1984-03-28 |
Burroughs Corp |
Head position system for disc data store
|
US4371960A
(en)
|
1980-12-24 |
1983-02-01 |
Magnetic Peripherals Inc. |
Measurement of disc servo head/data head misalignment
|
US4620252A
(en)
|
1981-05-01 |
1986-10-28 |
Iomega Corporation |
Symmetrical coil actuator for a magnetic disk drive
|
JPS57186239A
(en)
|
1981-05-11 |
1982-11-16 |
Sony Corp |
Disc reproducing device
|
US4396961A
(en)
|
1981-06-08 |
1983-08-02 |
Prasad D K Guru |
Video recorder controller apparatus and method
|
US4414589A
(en)
|
1981-12-14 |
1983-11-08 |
Northern Telecom Inc. |
Embedded servo track following system and method for writing servo tracks
|
US4513333A
(en)
|
1982-02-24 |
1985-04-23 |
Dymek Corporation |
Diagnostic recording
|
US4456934A
(en)
|
1982-05-10 |
1984-06-26 |
Kollmorgen Technologies Corporation |
Linear positioning system
|
US4485418A
(en)
|
1982-08-12 |
1984-11-27 |
Magnetic Peripherals, Inc. |
System and method of locating the center of a track on a magnetic storage disk
|
US4575776A
(en)
|
1982-12-20 |
1986-03-11 |
International Business Machines Corporation |
Magnetic recording disk file servo control system including an actuator model for generating a simulated head position error signal
|
EP0125019A1
(de)
|
1983-04-05 |
1984-11-14 |
Pioneer Electronic Corporation |
Vorrichtung zur Steuerung von Überquerungen einer Aufzeichnungsspur
|
US4562494A
(en)
|
1983-04-07 |
1985-12-31 |
Verbatim Corporation |
Disk drive alignment analyzer
|
DE3374731D1
(en)
|
1983-06-30 |
1988-01-07 |
Ibm |
Track following servo system for a disk file
|
US4605977A
(en)
|
1983-12-14 |
1986-08-12 |
Sperry Corporation |
Air bearing head displacement sensor and positioner
|
AU3836385A
(en)
|
1984-01-30 |
1985-08-09 |
Array Technology Inc. |
Optical data storage and readout apparatus
|
JPS60239943A
(ja)
|
1984-05-15 |
1985-11-28 |
Matsushita Electric Ind Co Ltd |
光学ヘツド
|
JPS61144781A
(ja)
|
1984-12-18 |
1986-07-02 |
Toshiba Corp |
デイスク装置
|
US4633345A
(en)
|
1985-05-24 |
1986-12-30 |
International Business Machines Corp. |
Positioning misaligned disk heads
|
US4764860A
(en)
|
1985-06-26 |
1988-08-16 |
Nippon Gakki Seizo Kabushiki Kaisha |
Servo circuit for an information recording and/or reproducing apparatus
|
JPS623473A
(ja)
|
1985-06-28 |
1987-01-09 |
Toshiba Corp |
磁気ヘツドの位置決め制御方式
|
US4616276A
(en)
|
1985-07-16 |
1986-10-07 |
International Business Machines Corporation |
Disk file servo control system with fast reduction of repeatable head position error
|
FR2586312B1
(fr)
|
1985-08-13 |
1989-07-28 |
Trt Telecom Radio Electr |
Dispositif d'autocorrelation
|
US4706250A
(en)
|
1985-09-27 |
1987-11-10 |
International Business Machines Corporation |
Method and apparatus for correcting multibyte errors having improved two-level code structure
|
US4788608A
(en)
|
1985-10-22 |
1988-11-29 |
Nec Corporation |
Head positioning system for positioning a magnetic head on an eccentric target track
|
US5164863A
(en)
|
1985-11-20 |
1992-11-17 |
Seagate Technology, Inc. |
Method for writing servo patterns to a disc of a hard disc drive
|
US4620244A
(en)
|
1985-11-20 |
1986-10-28 |
Seagate Technology |
Compensation method to correct thermally induced off-track errors in disc drives
|
JPS62248168A
(ja)
|
1986-04-21 |
1987-10-29 |
Hitachi Ltd |
磁気デイスク装置の記録/再生方法
|
US4679103A
(en)
|
1986-04-29 |
1987-07-07 |
International Business Machines Corporation |
Digital servo control system for a data recording disk file
|
US4786990A
(en)
|
1986-05-30 |
1988-11-22 |
Hewlett-Packard Company |
Servo gain compensation in a disc drive
|
US4816938A
(en)
|
1986-06-02 |
1989-03-28 |
Xebec |
Process for determining data disk track centers
|
US4697127A
(en)
|
1986-06-09 |
1987-09-29 |
International Business Machines Corporation |
Adaptive control technique for a dynamic system
|
JPS637571A
(ja)
|
1986-06-27 |
1988-01-13 |
Nec Corp |
磁気デイスク装置
|
JPS6368913A
(ja)
|
1986-09-10 |
1988-03-28 |
Fujitsu Ltd |
サ−ボ制御回路
|
DE3866902D1
(de)
|
1987-03-10 |
1992-01-30 |
Siemens Ag |
Verfahren und einrichtung zur steuerung der fehlerkorrektur innerhalb einer datenuebertragungssteuerung bei von bewegten peripheren speichern, insbesondere plattenspeichern, eines datenverarbeitungssystems gelesenen daten.
|
US4947272A
(en)
|
1987-03-30 |
1990-08-07 |
Pioneer Electronic Corporation |
Signal reproducing device which offsets the tracking error signal for a digital tape player
|
JPH0731820B2
(ja)
|
1987-08-31 |
1995-04-10 |
三菱電機株式会社 |
光デイスク駆動装置
|
US4965782A
(en)
|
1988-05-26 |
1990-10-23 |
Storage Technology Partners Ii |
Off-track bit shift compensation apparatus
|
JPH0782722B2
(ja)
|
1988-09-13 |
1995-09-06 |
パイオニア株式会社 |
トラッキングサーボ装置
|
US4956831A
(en)
|
1988-09-14 |
1990-09-11 |
Miniscribe Corporation |
Low acoustic noise head actuator
|
US4890172A
(en)
|
1988-09-27 |
1989-12-26 |
Digital Equipment Corporation |
Automatic servo gain calibration system for a disk drive
|
DE3900683C2
(de)
|
1989-01-12 |
2000-05-31 |
Philips Broadcast Television S |
Verfahren zur Einstellung der Spurlage bei einem Magnetbandgerät
|
US5081552A
(en)
|
1989-01-31 |
1992-01-14 |
International Business Machines Corporation |
Rigid magnetic disk drive head disk assembly and enclosure structure
|
KR930000069B1
(ko)
|
1989-01-31 |
1993-01-08 |
가부시기가이샤 도시바 |
데이타 기록 재생 장치의 헤드 결정 제어 장치
|
JP2734054B2
(ja)
|
1989-02-03 |
1998-03-30 |
ソニー株式会社 |
光ディスク装置のトラッキングエラー検出装置及びトラッキングエラー検出方法
|
JP2692251B2
(ja)
|
1989-03-22 |
1997-12-17 |
日本電気株式会社 |
光ディスク制御装置
|
JP3064336B2
(ja)
|
1989-06-28 |
2000-07-12 |
株式会社日立製作所 |
情報取扱い装置およびデイスク装置
|
JPH0365084A
(ja)
|
1989-08-02 |
1991-03-20 |
Hitachi Ltd |
静電型2次元アクチュエータ,光ヘツドおよび光デイスク装置
|
JPH03212884A
(ja)
|
1990-01-17 |
1991-09-18 |
Nec Corp |
磁気ディスク装置
|
JPH03225679A
(ja)
|
1990-01-31 |
1991-10-04 |
Sony Corp |
デイスクドライブ装置
|
US5062023A
(en)
|
1990-04-13 |
1991-10-29 |
Squire John S |
Disk file servo loop with improved track settling
|
US5241433A
(en)
|
1990-04-17 |
1993-08-31 |
International Business Machines Corporation |
Disk drive servo control
|
US5216559A
(en)
|
1990-06-01 |
1993-06-01 |
Iomega Corporation |
Carrier structure for read/write heads
|
US5046060A
(en)
|
1990-06-14 |
1991-09-03 |
International Business Machines Corporation |
Servo error controls
|
US5146372A
(en)
|
1990-06-19 |
1992-09-08 |
Seagate Technology, Inc. |
Adaptive window centering
|
JP2607756B2
(ja)
|
1990-07-18 |
1997-05-07 |
シーゲイト テクノロジー インターナショナル |
磁気ディスクのトラック上でトランスデューサーを位置決めする装置
|
JPH07101491B2
(ja)
|
1990-07-31 |
1995-11-01 |
ティアツク株式会社 |
磁気テープの縁検知方法
|
JP3024184B2
(ja)
|
1990-08-14 |
2000-03-21 |
ソニー株式会社 |
サーボ信号記録方法
|
AU8739091A
(en)
|
1990-09-18 |
1992-04-15 |
Thomas James Frederick |
Digital servo control system for use in disk drives
|
US5185681A
(en)
|
1990-09-28 |
1993-02-09 |
Seagate |
Thermal offset compensation for high density disk drives
|
US5161077A
(en)
|
1990-11-09 |
1992-11-03 |
Seagate Technology, Inc. |
Actuator arm with a steel sleeve for thermal off track compensation
|
US5198948A
(en)
|
1990-12-05 |
1993-03-30 |
Seagate Technology, Inc. |
Shielded servo heads with improved passive noise cancellation
|
JP2634489B2
(ja)
|
1990-12-21 |
1997-07-23 |
富士通株式会社 |
磁気ディスク装置
|
US5257149A
(en)
|
1991-02-13 |
1993-10-26 |
Seagate Technology, Inc. |
Disc drive with offset address field
|
US5197058A
(en)
|
1991-03-05 |
1993-03-23 |
Hewlett-Packard Company |
Electronic offset compensation of the continuous composite track error signal in optical recording
|
US5089757A
(en)
|
1991-03-15 |
1992-02-18 |
Maxtor Corporation |
Synchronous digital detection of position error signal
|
US5155422A
(en)
|
1991-03-28 |
1992-10-13 |
Digital Equipment Corporation |
Self-tuning adaptive bandwidth regulator
|
US5233487A
(en)
|
1991-06-27 |
1993-08-03 |
International Business Machines Corporation |
Functional measurement of data head misregistration
|
US5317464A
(en)
|
1991-06-28 |
1994-05-31 |
Syquest Technology, Inc. |
Removable cartridge disk drive with cartridge interlocking and spindle motor telescoping mechanisms
|
US5204793A
(en)
|
1991-06-28 |
1993-04-20 |
Syguest Technology |
Removable cartridge disk drive with an integral head loading ramp, air filter and removable cartridge door safety stop
|
DE69220468T2
(de)
|
1991-07-23 |
1997-10-16 |
Fujitsu Ltd |
Gerät zur feineinstellung eines kopfes
|
US5305160A
(en)
|
1991-07-31 |
1994-04-19 |
Seagate Technology, Inc. |
Compensating for variations in torque capability of voice coil motors
|
US5379171A
(en)
|
1991-09-25 |
1995-01-03 |
Integral Peripherals |
Microminiature hard disk drive
|
WO1993006595A1
(en)
|
1991-09-25 |
1993-04-01 |
Integral Peripherals, Inc. |
Adaptive runout compensation for miniature disk drives
|
CA2071412A1
(en)
|
1991-11-01 |
1993-05-02 |
Clark Alan Anderson |
Method and apparatus for reducing track switch latency in a disk drive
|
US5299026A
(en)
|
1991-11-12 |
1994-03-29 |
Xerox Corporation |
Tracking the reproduction of documents on a reprographic device
|
US5455724A
(en)
|
1992-03-31 |
1995-10-03 |
Fujitsu Limited |
Method of compensating offtrack in disk unit
|
US5311378A
(en)
|
1992-05-05 |
1994-05-10 |
Insite Peripherals, Inc. |
Dual very-high density magnetic head assembly with optical servo positioning for very high density floppy disk recording and high density format compatability
|
JP2625315B2
(ja)
|
1992-05-06 |
1997-07-02 |
富士通株式会社 |
サーボトラックライターのベリファイ方法
|
US5416658A
(en)
|
1992-06-04 |
1995-05-16 |
Hitachi, Ltd. |
Information storage device using a rotary recording medium
|
US5444583A
(en)
|
1992-09-30 |
1995-08-22 |
Quantum Corporation |
Disk drive having on-board triggered digital sampling analyzer
|
US5541784A
(en)
|
1992-11-10 |
1996-07-30 |
Daniel F. Cribbs |
Bootstrap method for writing servo tracks on a disk drive
|
JP2671780B2
(ja)
|
1993-01-07 |
1997-10-29 |
日本電気株式会社 |
記録再生分離型磁気ディスク装置用サーボ装置並びにディスク装置におけるアクチュエータ力定数推定方法及び補償方法
|
JP2516311B2
(ja)
|
1993-04-27 |
1996-07-24 |
インターナショナル・ビジネス・マシーンズ・コーポレイション |
磁気ディスク装置のサ―ボトラック書込み方法及び装置
|
US5777816A
(en)
|
1993-05-12 |
1998-07-07 |
Seagate Technology, Inc. |
Data track following method for disc drives
|
US5404253A
(en)
|
1993-06-24 |
1995-04-04 |
Fujitsu Limited |
Estimator-based runout compensation in a disk drive
|
JP2735791B2
(ja)
|
1993-08-26 |
1998-04-02 |
インターナショナル・ビジネス・マシーンズ・コーポレイション |
直接アクセス記憶装置(dasd)内の回転式アクチュエータ弧補償訂正のための方法及び装置
|
US5550685A
(en)
|
1993-10-22 |
1996-08-27 |
Syquest Technology, Inc. |
Applying an adaptive feed-forward algorithm as a frequency selective filter in a closed loop disk drive servo system in order to compensate for periodic perturbations which otherwise appear in the servo system position error signal
|
US5400201A
(en)
|
1993-10-25 |
1995-03-21 |
Syquest Technology, Inc. |
Servo burst pattern for removing offset caused by magnetic distortion and method associated therewith
|
US5367513A
(en)
|
1993-11-05 |
1994-11-22 |
International Business Machines Corporation |
Focus and tracking servo decoupling system
|
US5956201A
(en)
|
1994-01-14 |
1999-09-21 |
Seagate Technology, Inc. |
Disk file head positioning servo system incorporating adaptive saturated seek and head offset compensation
|
US5553086A
(en)
|
1994-01-28 |
1996-09-03 |
Quantum Corporation |
Multiple servo sector sets write with self-verification for disk drive
|
JPH07220210A
(ja)
|
1994-02-03 |
1995-08-18 |
Fujitsu Ltd |
磁気ディスク装置
|
US5610487A
(en)
|
1994-05-19 |
1997-03-11 |
Maxtor Corporation |
Servo system with once per revolution rejection
|
US5585976A
(en)
*
|
1994-06-22 |
1996-12-17 |
Seagate Technology, Inc. |
Digital sector servo incorporating repeatable run out tracking
|
US5521778A
(en)
|
1994-08-30 |
1996-05-28 |
International Business Machines Corporation |
Disk drive with primary and secondary actuator drives
|
US5608586A
(en)
|
1994-10-21 |
1997-03-04 |
International Business Machines Corporation |
Robust servo for disk-shift compensation in rotating storage system
|
US5648738A
(en)
|
1994-11-01 |
1997-07-15 |
Cirrus Logic, Inc. |
Read channel having auto-zeroing and offset compensation, and power-down between servo fields
|
US5826338A
(en)
|
1995-01-17 |
1998-10-27 |
Leatherman Tool Group, Inc. |
Wire cutter structure for multipurpose tool
|
US5576909A
(en)
|
1995-02-16 |
1996-11-19 |
Ministor Peripherals International Limited |
Method for positioning a data transducer head in a rotating disk drive data storage device
|
JP3048878B2
(ja)
|
1995-03-31 |
2000-06-05 |
インターナショナル・ビジネス・マシーンズ・コーポレイション |
情報記録媒体、ヘッド位置識別方法、および情報記録装置
|
KR100329151B1
(ko)
|
1995-04-27 |
2002-11-29 |
삼성전자 주식회사 |
디스크구동기록장치의스핀들모터구동제어회로
|
US5796535A
(en)
|
1995-05-12 |
1998-08-18 |
Cirrus Logic, Inc. |
Sampled amplitude read channel employing a user data frequency synthesizer and a servo data frequency synthesizer
|
JP3177120B2
(ja)
|
1995-06-01 |
2001-06-18 |
インターナショナル・ビジネス・マシーンズ・コーポレ−ション |
位置制御装置及び方法
|
KR100277073B1
(ko)
|
1995-07-24 |
2001-01-15 |
윤종용 |
자기 디스크 구동장치에서 자기 헤드의 속도 및 위치 추정기
|
KR100251920B1
(ko)
|
1995-11-07 |
2000-04-15 |
윤종용 |
셀프 튜닝(self tunning)방법을 통한 하드 디스크 드라이브의 초기화방법
|
KR0156861B1
(ko)
|
1995-11-27 |
1998-12-15 |
김광호 |
하드디스크 드라이브에 있어서 서보제어 이득 자동 보상방법
|
US6097565A
(en)
|
1996-01-31 |
2000-08-01 |
International Business Machines Corporation |
Repeatable runout free servo architecture in direct access storage device
|
US5793559A
(en)
|
1996-02-27 |
1998-08-11 |
Quantum Corporation |
In drive correction of servo pattern errors
|
US5796542A
(en)
|
1996-02-28 |
1998-08-18 |
Western Digital Corporation |
Servo-track writer system having a plurality of engaging pins co-axially rotated with head actuator pivot axes
|
US5886846A
(en)
|
1996-03-13 |
1999-03-23 |
Syquest Technology, Inc. |
Method for applying optimal seeking technique to disk file with excessive repeatable runout
|
US5949605A
(en)
|
1996-03-19 |
1999-09-07 |
Seagate Technology, Inc. |
Cancellation and calibration procedures of harmonic disturbances in magnetic data storage systems
|
US5774297A
(en)
|
1996-03-26 |
1998-06-30 |
Seagate Technology, Inc. |
Dynamic compensation of servo burst measurement offsets in a disc drive
|
KR100194021B1
(ko)
|
1996-04-24 |
1999-06-15 |
윤종용 |
하드 디스크 드라이브의 반복 추종 에러 제어방법
|
US5949608A
(en)
|
1996-06-05 |
1999-09-07 |
Mobile Storage Technology Inc. |
Time dependent velocity-controlled disk drive actuator system
|
US5825578A
(en)
|
1996-06-11 |
1998-10-20 |
Seagate Technology, Inc. |
Method and apparatus for compensating track position due to written-in runout error in a disc drive
|
US5708581A
(en)
|
1996-07-12 |
1998-01-13 |
Hewlett-Packard Company |
Method for maximizing feedforward orthogonality for minimizing servo system nuller instability
|
US5774294A
(en)
|
1996-08-21 |
1998-06-30 |
Seagate Technology, Inc. |
Servo track writer with tuned damper
|
KR100255189B1
(ko)
|
1996-09-25 |
2000-05-01 |
윤종용 |
서보제어계의 게인추정방법
|
US5844743A
(en)
|
1996-12-20 |
1998-12-01 |
Seagate Technology, Inc. |
Velocity sensing using actuator coil back-emf voltage
|
US5898286A
(en)
|
1997-01-13 |
1999-04-27 |
International Business Machines Corporation |
Digital servo control system for a data recording disk file with improved saturation modelling
|
US5835300A
(en)
*
|
1997-01-30 |
1998-11-10 |
Seagate Technology, Inc. |
Dynamic compensation of servo burst measurement offsets in a disc drive
|
US5940240A
(en)
|
1997-08-29 |
1999-08-17 |
Western Digital Corporation |
Constant velocity servo linearity calibration method for MR head
|
US5978169A
(en)
*
|
1997-09-23 |
1999-11-02 |
Seagate Technology, Inc. |
Repeated servo runout error compensation in a disc drive
|
US6141175A
(en)
|
1997-10-08 |
2000-10-31 |
Western Digital Corporation |
Repeatable runout cancellation in sectored servo disk drive positioning system
|
US6069764A
(en)
*
|
1997-10-24 |
2000-05-30 |
Seagate Technology, Inc. |
Compensation for repeatable run-out error
|
US6115203A
(en)
|
1998-01-30 |
2000-09-05 |
Maxtor Corporation |
Efficient drive-level estimation of written-in servo position error
|