USRE38601E1
(en)
|
1980-05-10 |
2004-09-28 |
Papst Licensing, GmbH & Co. KG |
Disk storage device having a radial magnetic yoke feature
|
USRE38662E1
(en)
|
1980-05-10 |
2004-11-30 |
Papst Licensing Gmbh & Co. Kg |
Disk storage device having a sealed bearing tube
|
USRE38673E1
(en)
|
1980-05-10 |
2004-12-21 |
Papst Licensing Gmbh & Co. Kg |
Disk storage device having a hub sealing member feature
|
USRE37058E1
(en)
|
1980-05-10 |
2001-02-20 |
Papst Licensing Gmbh & Co. Kg |
Disk storage device having contamination seals
|
US4872074A
(en)
*
|
1980-09-24 |
1989-10-03 |
Quantum Corporation |
Data transducer position control system for rotating disk data storage equipment
|
US4490635A
(en)
*
|
1980-09-24 |
1984-12-25 |
Quantum Corporation |
Pure torque, limited displacement transducer
|
US5119254A
(en)
*
|
1980-09-24 |
1992-06-02 |
Quantum Corporation |
Data transducer position control system for rotating disk data storage equipment
|
US4920434A
(en)
*
|
1980-09-24 |
1990-04-24 |
Quantum Corporation |
Fixed disk drive
|
USRE38772E1
(en)
|
1981-03-18 |
2005-08-09 |
Papst Licensing Gmbh & Co. Kg |
Disk storage device having an undercut hub member
|
US4620252A
(en)
*
|
1981-05-01 |
1986-10-28 |
Iomega Corporation |
Symmetrical coil actuator for a magnetic disk drive
|
US4959740A
(en)
*
|
1983-11-18 |
1990-09-25 |
Canon Denshi Kabushiki Kaisha |
Disc recording and/or reproducing apparatus including means for minimizing the effects of temperature changes
|
JPS598170A
(ja)
*
|
1982-07-05 |
1984-01-17 |
Hitachi Ltd |
ヘツド移動方式
|
US4516177A
(en)
*
|
1982-09-27 |
1985-05-07 |
Quantum Corporation |
Rotating rigid disk data storage device
|
EP0104941A3
(en)
*
|
1982-09-27 |
1985-11-06 |
Quantum Corporation |
Data storage devices
|
JPS5963062A
(ja)
*
|
1982-10-01 |
1984-04-10 |
Matsushita Electric Ind Co Ltd |
磁気デイスク装置におけるオフトラツク量測定方法
|
US4538099A
(en)
*
|
1983-01-17 |
1985-08-27 |
Quantum Corporation |
Amplifier circuit
|
JPS609066U
(ja)
*
|
1983-06-29 |
1985-01-22 |
アルプス電気株式会社 |
ヘツドのトラツク位置調整装置
|
JPS6089876A
(ja)
*
|
1983-10-21 |
1985-05-20 |
Toshiba Corp |
磁気ヘツド移動制御装置
|
US5309624A
(en)
*
|
1983-11-18 |
1994-05-10 |
Canon Denshi Kabushiki Kaisha |
Method of making a disc recording and/or reproducing apparatus
|
JPS60113370A
(ja)
*
|
1983-11-25 |
1985-06-19 |
Mitsubishi Electric Corp |
記録再生素子の位置制御装置
|
US4591933A
(en)
*
|
1983-11-28 |
1986-05-27 |
Computer Memories, Incorporated |
Disk drive head positioner with optimized seek operation
|
US4625109A
(en)
*
|
1983-11-28 |
1986-11-25 |
Quantum Corporation |
Optical encoder apparatus and methods
|
US4685007A
(en)
*
|
1983-12-21 |
1987-08-04 |
Computer Memories, Incorporated |
Disk drive with track zero location system
|
JPS60154373A
(ja)
*
|
1984-01-23 |
1985-08-14 |
Teac Co |
磁気デイスク装置
|
US4609954A
(en)
*
|
1984-03-02 |
1986-09-02 |
Eastman Kodak Company |
Tracking servo for a disk player with a dc motor
|
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
|
US4647769A
(en)
*
|
1984-05-11 |
1987-03-03 |
Quantum Corporation |
Optical encoder having controllable lead-lag phase trim sensitivity
|
US4991211A
(en)
*
|
1984-11-29 |
1991-02-05 |
Papst-Motoren Gmbh & Co. Kg |
Integrated driving system for signal-processing devices
|
US4589037A
(en)
*
|
1985-03-18 |
1986-05-13 |
International Business Machines Corporation |
Servo control system using a varying frequency servo pattern for read/write head positioning in a magnetic recording disk file
|
US4628380A
(en)
*
|
1985-04-17 |
1986-12-09 |
Computer Memories, Inc. |
Encoder output phase selection system for magnetic disk memory
|
US4751441A
(en)
*
|
1985-05-31 |
1988-06-14 |
Cambrian Consultants, Inc. |
Transducer position control system for disk storage equipment
|
US4703176A
(en)
*
|
1985-06-04 |
1987-10-27 |
Plus Development Corporation |
Compact polyphase optical position encoder
|
US4882671A
(en)
*
|
1985-06-05 |
1989-11-21 |
Plus Development Corporation |
Microprocessor controlled rigid disk file subsystem
|
US4819153A
(en)
*
|
1985-06-05 |
1989-04-04 |
Plus Development Corporation |
Microprocessor controlled rigid disk file subsystem
|
US4958315A
(en)
*
|
1985-07-02 |
1990-09-18 |
The United States Of America As Represented By The Secretary Of The Navy |
Solid state electronic emulator of a multiple track motor driven rotating magnetic memory
|
US4698523A
(en)
*
|
1985-11-01 |
1987-10-06 |
Advanced Micro Devices, Inc. |
Servo data demodulator
|
US4638384A
(en)
*
|
1985-11-19 |
1987-01-20 |
Rodime, Plc |
Head positioning mechanism for rotating disk data storage system
|
US4812929A
(en)
*
|
1985-11-19 |
1989-03-14 |
Rodime Plc |
Head positioning mechanism for rotating disk data storage system
|
EP0238318B1
(en)
*
|
1986-03-19 |
1992-03-04 |
Fujitsu Limited |
Track access control system for magnetic disk system
|
GB2188720B
(en)
*
|
1986-04-04 |
1990-12-19 |
Data Recording Instr Co |
Improved position control system
|
DE3751744T2
(de)
*
|
1986-04-16 |
1997-01-02 |
Hitachi Ltd |
Plattengerät
|
JPS62289977A
(ja)
*
|
1986-06-06 |
1987-12-16 |
Matsushita Electric Ind Co Ltd |
磁気デイスク装置
|
JPS62298064A
(ja)
*
|
1986-06-16 |
1987-12-25 |
Sony Corp |
ハ−ドデイスクドライブのサ−ボ回路
|
JPS6323279A
(ja)
*
|
1986-07-16 |
1988-01-30 |
Fuji Electric Co Ltd |
デイスク記憶装置のヘツド位置制御装置
|
US4974109A
(en)
*
|
1986-08-27 |
1990-11-27 |
Sony Corporation |
Hard disk drive employing a reference track to compensate for tracking error
|
USRE35302E
(en)
*
|
1986-08-27 |
1996-07-23 |
Sony Corporation |
Magnetic disc apparatus
|
JP2535873B2
(ja)
*
|
1987-02-19 |
1996-09-18 |
ティアツク株式会社 |
デイスク装置
|
US5140477A
(en)
*
|
1987-06-30 |
1992-08-18 |
Kabushiki Kaisha Toshiba |
Magnetic disk apparatus utilizing servo-surface servo
|
EP0323154B1
(en)
*
|
1987-12-24 |
1995-02-15 |
Matsushita Electric Industrial Co., Ltd. |
Data transducer position control system for disk storage drive system
|
US4905107A
(en)
*
|
1988-02-05 |
1990-02-27 |
Klein Enrique J |
Torsion transducer for magnetic storage disk drives
|
US5005089A
(en)
*
|
1988-05-10 |
1991-04-02 |
Quantum Corp. |
High performance, high capacity micro-winchester disk drive
|
US5084791A
(en)
*
|
1988-05-10 |
1992-01-28 |
Quantum Corporation |
Head position control system for fixed drive including position encoder, temperature sensor and embedded fine servo information
|
US5079653A
(en)
*
|
1988-07-29 |
1992-01-07 |
Seagate Technology, Inc. |
Information storage disc transducer position control system using last step damping
|
KR0144463B1
(ko)
*
|
1988-10-26 |
1998-07-15 |
오오가 노리오 |
자기 디스크 장치
|
US5020045A
(en)
*
|
1988-12-19 |
1991-05-28 |
Eastman Kodak Company |
Focus acquisition servo system and associated method
|
JP2785195B2
(ja)
*
|
1989-01-11 |
1998-08-13 |
ソニー株式会社 |
ディスク装置の光学式エンコーダ
|
US4914725A
(en)
*
|
1989-07-10 |
1990-04-03 |
International Business Machines Corporation |
Transducer positioning servo mechanisms employing digital and analog circuits
|
JPH03266567A
(ja)
*
|
1990-03-16 |
1991-11-27 |
Olympus Optical Co Ltd |
電子スチルカメラ
|
US5576583A
(en)
*
|
1992-04-30 |
1996-11-19 |
Hitachi Metals, Ltd. |
Swing-type actuator
|
DE4314167C2
(de)
*
|
1992-04-30 |
1995-04-13 |
Hitachi Metals Ltd |
Magnetanordnung für einen Pendel-Stellantrieb
|
US5396384A
(en)
*
|
1992-05-12 |
1995-03-07 |
Quantum Corporation |
Hard disk drive architecture
|
US5465343A
(en)
*
|
1993-04-30 |
1995-11-07 |
Quantum Corporation |
Shared memory array for data block and control program storage in disk drive
|
US5617388A
(en)
*
|
1993-05-31 |
1997-04-01 |
Sony Corporation |
Disc recording/reproducing apparatus which uses stored eccentricity data to maintain the read/write head at a constant radial position during a stand-by mode
|
US5491395A
(en)
*
|
1993-09-17 |
1996-02-13 |
Maxtor Corporation |
TUT servo IC architecture
|
US5592346A
(en)
*
|
1994-03-31 |
1997-01-07 |
Polaroid Corporation |
Control system utilizing an adaptive predictor to compensate for harmonic distortion
|
US6172828B1
(en)
|
1996-05-16 |
2001-01-09 |
Hitachi, Ltd. |
Signal processing apparatus and a disk control apparatus, with head positioning control based on digitized servo data
|
JP3726151B2
(ja)
*
|
1997-08-25 |
2005-12-14 |
株式会社日立グローバルストレージテクノロジーズ |
ディスク装置及びリムーバブル型磁気ディスク装置
|
JP3582970B2
(ja)
*
|
1997-11-04 |
2004-10-27 |
富士通株式会社 |
アダプタ、及びアダプタとディスクカートリッジ駆動装置との間の通信方法
|
JP2000337928A
(ja)
*
|
1999-05-27 |
2000-12-08 |
Sony Corp |
位置検出装置および位置検出信号の補正方法
|
US7495857B1
(en)
|
2005-12-30 |
2009-02-24 |
Western Digital Technologies, Inc. |
Servo writing a disk drive by writing spiral tracks using a mechanical position sensor
|
US7365932B1
(en)
|
2005-12-30 |
2008-04-29 |
Western Digital Technologies, Inc. |
Disk drive comprising an optical sensor for vibration mode compensation
|
US7619844B1
(en)
|
2005-12-30 |
2009-11-17 |
Western Digital Technologies, Inc. |
Disk drive comprising a mechanical position sensor to prevent a runaway condition
|
US7480116B1
(en)
|
2006-01-20 |
2009-01-20 |
Western Digital Technologies, Inc. |
Disk drive employing coarse position feedback from mechanical position sensor to improve format efficiency
|