| Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
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| 01/25/2000 | US6017264 Deflection lapping apparatus and method for hydrodynamic bearing slider |
| 01/25/2000 | US6016959 Card drive apparatus and card |
| 01/20/2000 | WO2000003389A1 Current profile shaping to reduce disc drive seek time variation and acoustic noise generation |
| 01/19/2000 | CN1241781A Disc drive |
| 01/19/2000 | CN1241772A Optical disc system and method for controlling bias coil and light source to process information on storage medium |
| 01/19/2000 | CN1241771A Optical disc system having current monitoring circuit with controller for laser driver and method for operating same |
| 01/19/2000 | CN1241770A Laser driver for controlling electrical current directed to laser in optical dis system |
| 01/18/2000 | US6016547 Data processing apparatus with program allocating section for selectively allocating programs in first and second memory |
| 01/18/2000 | US6016239 Transducer apparatus including transducer with recording medium contact line perpendicular to transducer pivot axis |
| 01/18/2000 | US6016237 Shaft construction of a disk drive |
| 01/18/2000 | US6016234 Actuator retract/unload system for low power disk drives |
| 01/18/2000 | US6015000 Method and apparatus for magnet/backiron bonding using slip fit pins |
| 01/13/2000 | WO2000002198A1 Fast and precise positioning of a reading and/or writing head in a data player and/or recorder |
| 01/13/2000 | WO2000002193A1 Adapting seek velocity profile to destination track location |
| 01/13/2000 | WO2000002192A1 Reduced head population detection in a disc drive |
| 01/13/2000 | WO1999053496A8 Storage card and devices |
| 01/12/2000 | EP0971343A2 Method and apparatus for moving a carriage assembly from an initial position to a target position |
| 01/12/2000 | CN1240996A 头滑动器 Head slider |
| 01/12/2000 | CN1048349C Device for driving magnetic brasing coil head of small magnetic disc recording and playing set |
| 01/11/2000 | US6014362 Phase-shift and tilt adjustable disk player |
| 01/11/2000 | US6014288 Partially etched protective overcoat for a disk drive slider |
| 01/11/2000 | US6014285 Positioning control system |
| 01/11/2000 | US6014284 Signal reproducing apparatus having rotary heads rotating 180° out of phase and producing signals for tracking control |
| 01/11/2000 | US6014276 Servo mark detection device |
| 01/11/2000 | US6013995 Method and apparatus for adaptive feedforward control with reduced noise during track seek operations |
| 01/11/2000 | CA2271551C A disk recording system and a method of controlling the rotation of a turntable in such a disk recording system |
| 01/06/2000 | WO2000001146A1 Variable disc drive cylinder recording system |
| 01/06/2000 | WO2000000977A1 Flying head slider and disk drive |
| 01/06/2000 | WO2000000976A2 Synchronous digital demodulator with integrated read and servo channels |
| 01/06/2000 | WO2000000966A2 Improved notch filtering as used in a disc drive servo |
| 01/06/2000 | WO2000000003A1 Data system with support surfaces for reciprocating data head |
| 01/06/2000 | CA2335459A1 Data system with support surfaces for reciprocating data head |
| 01/05/2000 | EP0969465A1 Apparatus for recording and reproducing information |
| 01/05/2000 | EP0969453A1 Fast and precise positioning of a reading and/or writing head in a data player and/or recorder |
| 01/05/2000 | EP0809844B1 Apparatus for performing multiple functions in a data storage device using a single electro-mechanical device |
| 01/05/2000 | DE19829706A1 Reading and writing device for recording media with information tracks |
| 01/05/2000 | CN1240528A Leading edge slider microactuator |
| 01/05/2000 | CN1240295A Optical disc driving system and the insulator for damping unhoped mechanical force affection |
| 01/05/2000 | CN1240290A Compact disc system having current monitoring circuit assembly and operation method thereof |
| 01/04/2000 | US6011672 Magnetic disk drive having an improved outer stopper mechanism |
| 01/04/2000 | US6011666 Disk unit and portable electronic equipment |
| 01/04/2000 | US6011261 Probe formed of mono-crystalline SI, the manufacturing method thereof, and an information processing device using the probe |
| 01/04/2000 | US6011239 Laser apparatus and method adjusting the gram load, static attitude and flying height in a head suspension assembly |
| 12/29/1999 | EP0966738A1 A flying head positioner with fine positioning |
| 12/29/1999 | EP0966651A1 Non-contact position sensor |
| 12/28/1999 | US6009063 Universal portable minidisk drive system |
| 12/28/1999 | US6009054 Information recording medium and tracking error signal detection apparatus and magnetic recording apparatus and method of adjusting the magnetic recording apparatus |
| 12/28/1999 | US6009052 Method and circuit for controlling head position |
| 12/28/1999 | US6008967 Hybrid type magnetic head slider having a thin film coil |
| 12/28/1999 | US6008966 Desiccant housing for a disc drive |
| 12/28/1999 | US6008960 Split table generator and method for format data compression in disk drives |
| 12/28/1999 | US6007664 Method and apparatus for rapid curing of epoxy adhesive in securing together slider/gimbal assemblies employed in disk drive systems |
| 12/28/1999 | US6006614 Apparatus and method for improving dynamic characteristics of a fine-positioning mechanism in a magnetic head/disk tester |
| 12/23/1999 | WO1999066501A1 Disc drive having charge feedback driven microactuator |
| 12/23/1999 | WO1999066500A1 Low inductance flex-to-pcb spring connector for disc drive |
| 12/23/1999 | WO1999066499A1 Flex support and seal apparatus for a disc drive |
| 12/23/1999 | DE19914484A1 Disk drive for computer and data processing system |
| 12/22/1999 | CN1239295A Focus capture for optical disc system |
| 12/22/1999 | CN1239294A Focus capture for optical disc system |
| 12/22/1999 | CN1239290A CD appts. |
| 12/22/1999 | CN1239288A Method of changing rotational rate of storage medium from initial rate to desired rate |
| 12/22/1999 | CN1239287A Servo control system for information storage device |
| 12/22/1999 | CN1239286A Focusing method and system for focus capture and focus control in optical disc system including detection of quad sum signal to close focus |
| 12/22/1999 | CN1239285A Analog to digital converter and assembly for use in optical drive system and method therefore |
| 12/21/1999 | US6005743 Disk drive with multiple actuators on a single axis and disk surfaces of differing track pitch |
| 12/21/1999 | US6005742 Method and apparatus for controlling a multiple-stage actuator for a disk drive |
| 12/21/1999 | US6005740 Method and apparatus for developing position error curves for magneto-resistive heads |
| 12/21/1999 | US6005738 Methods and systems for self-servo-writing including writing positioning and timing bursts at different track pitches |
| 12/21/1999 | US6005737 Magnetic tape drive having improved servo control |
| 12/21/1999 | US6005728 Disk recording medium for embodying high capacity hard disk drive |
| 12/21/1999 | US6005727 Servo decoder for decoding an error correcting servo code recorded on a disc storage medium |
| 12/21/1999 | US6004472 Dual etch step process for making a three etch depth air bearing slider |
| 12/15/1999 | EP0964400A1 Removable cartridge disk drive for receiving a cartridge housing a 105MB 3.5 inch hard disk |
| 12/15/1999 | CN1238525A Miniactuator with integrated sensor and drivers and method of manufacturing the same |
| 12/15/1999 | CN1238520A Composite ramp structure for data storage devices |
| 12/14/1999 | US6002655 Optical disc apparatus accessing method and system therefor |
| 12/14/1999 | US6002552 Adaptive loading/unloading suspension |
| 12/14/1999 | US6002550 Magnetic head assembly with ball member for electrically connecting the slider member and the suspension member |
| 12/14/1999 | US6002549 Dither microactors for stiction release in magnetic disc drives |
| 12/14/1999 | US6002547 Disk drive with a rotatably mounted disk drive motor |
| 12/14/1999 | US6002544 Head positioning control system for use in a disk drive using different target velocity data for read and write seeks |
| 12/14/1999 | US6002542 Magnetic disc read head positioning device and method |
| 12/14/1999 | US6002540 Method and apparatus for rotary actuator arc compensation correction in a direct access storage device |
| 12/14/1999 | US6002539 Method for calibrating a dual element magnetoresistive head |
| 12/14/1999 | US6001268 Reactive ion etch patterning the ceramic slider using an etchant gas of argon, methyl trifluoride, and sulfur hexafluoride and flowed at a rate which provides a smooth surface on the ceramic slider |
| 12/09/1999 | WO1999063671A1 Apparatus and method for modulation/demodulation with consecutive minimum runlength limitation |
| 12/09/1999 | WO1999063537A1 Rotational vibration detection using a velocity sense coil |
| 12/09/1999 | WO1999063536A2 Very-high-density memory device utilizing a scintillating data-storage medium |
| 12/09/1999 | WO1999063528A1 Piezoelectric disk latch |
| 12/09/1999 | CA2680404A1 Apparatus and method for modulation/demodulation with consecutive minimum runlength limitation |
| 12/09/1999 | CA2273759A1 Copy generation management method, information signal reproducing method, information signal reproducing apparatus, and information signal recording apparatus |
| 12/08/1999 | EP0962932A2 Using the applied peak area ratio to determine signal pw50 and head fly height |
| 12/08/1999 | EP0962915A1 Method and apparatus for driving actuator of storage disk device |
| 12/08/1999 | EP0725966B1 Magnetic parking device for disk drive |
| 12/08/1999 | CN1237763A Method and apparatus for providing servo loop gain calibration |
| 12/07/1999 | US5999498 Reduced profile magnetic head assembly and method of manufacturing reduced profile magnetic head support structure |
| 12/07/1999 | US5999375 Positioning inner and outer tracks on a recording disc |
| 12/07/1999 | US5999372 Actuator arm with streamlined leading edge to reduce air turbulence |
| 12/07/1999 | US5999369 Magnetic disk apparatus |
| 12/07/1999 | US5999368 Magnetic head slider provided with a hard material layer for improved impact resistance and for avoiding cracking of an air bearing surface during production of the magnetic head slider |