| Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
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| 08/04/1998 | US5790332 Method and apparatus for generating clock signals having count closure and deterministically optimized phase closure |
| 08/04/1998 | US5789891 Speed detection apparatus, speed control motor, and track jump control circuit |
| 08/04/1998 | US5787570 Load distribution measurement and adjustment device |
| 07/29/1998 | EP0855709A1 Disk apparatus |
| 07/29/1998 | EP0855080A1 Roll-biased head suspension for reduced track misregistration |
| 07/28/1998 | US5787066 Both-sided optical disc player capable of transferring a both-sided disc up and down about an optical pickup |
| 07/28/1998 | US5786964 Magnetic disk drive unit with improved signal feeding and extracting arrangement |
| 07/28/1998 | US5786962 Magnetic head assembly |
| 07/28/1998 | US5786961 Suspension assembly with ball for static attitude compensation and load point |
| 07/28/1998 | US5786958 Head tracking servo pattern |
| 07/28/1998 | US5786957 Magnetic disk device using non-aligned read and write heads with tracking servos and a rotary actuator |
| 07/28/1998 | US5785432 Outer ring spacer for double row rolling bearing unit |
| 07/23/1998 | WO1998032129A1 Slider having terminated side rails with trailing edge cuts |
| 07/23/1998 | WO1998032127A1 Taperless/crown free/air bearing design |
| 07/22/1998 | EP0854472A1 Negative pressure air bearing slider |
| 07/22/1998 | EP0485234B1 Information recording and reproducing device |
| 07/21/1998 | US5784220 Magnetic disk apparatus, recording and accessing method for performing density recording |
| 07/16/1998 | WO1998031015A1 Method and apparatus for writing a clock track on a storage medium |
| 07/16/1998 | WO1998031009A2 Actuator bearing cartridge for top down assembly |
| 07/15/1998 | EP0853317A1 Hard disk drive chip set partitioning |
| 07/15/1998 | EP0853313A2 Optical disc system |
| 07/15/1998 | EP0853311A1 Negative pressure air bearing slider |
| 07/15/1998 | EP0852794A1 Information recording on a multitrack record carrier |
| 07/15/1998 | CN1187897A Integrated head-electronics interconnection suspension for data recording disk drive |
| 07/14/1998 | US5781516 Multiplane optical disc apparatus and access control method thereof |
| 07/14/1998 | US5781381 Double-driving head actuator |
| 07/14/1998 | US5781378 Flexure having displaced gimbal bond tongue with end terminated heads |
| 07/14/1998 | US5781365 Sliding mode control of a magnetoresistive read head for magnetic recording |
| 07/14/1998 | US5781364 Coarse and fine head positioning apparatus which uses a slipable shaft in a motor |
| 07/14/1998 | US5781363 Servo-free velocity estimator for coil driven actuator arm in a data storage drive |
| 07/14/1998 | US5781362 Servo control system for driving a voice coil motor with pulse width and gain control |
| 07/14/1998 | US5781360 Method and apparatus for detecting data track misregistration |
| 07/14/1998 | US5781299 Determining the complex refractive index phase offset in interferometric flying height testing |
| 07/09/1998 | WO1998029870A1 Servo-writer for disk drive |
| 07/08/1998 | EP0852379A2 Method of changing rotational rate of storage medium from initial rate to desired rate |
| 07/08/1998 | CN1187007A Disk player with chuck holder capable of pivoting upward and downward |
| 07/07/1998 | US5777978 Disk unit and process for assembling transmission mechanism used for driving head carriage |
| 07/07/1998 | US5777963 Device for opening and closing a tracking servo loop of an optical disc reproduction device in accordance with the value of an on-track signal |
| 07/07/1998 | US5777826 Load beam for supporting a transducer head in a disk drive |
| 07/07/1998 | US5777816 For the storage of computer files |
| 07/07/1998 | US5777815 Disk drive with shock detection based on thermoresistive signal from magnetoresistive head |
| 07/02/1998 | DE19758250A1 Disk player for CD-ROM |
| 07/02/1998 | DE19755371A1 Access performance improvement method for hard disk drive |
| 07/02/1998 | DE19752631A1 Frictional error recognition device for hard disk drive |
| 07/01/1998 | EP0851408A2 Magnetic head assembly, magnetic disk drive having the same and fabrication thereof |
| 07/01/1998 | CN1186296A Magnetic head assembly, magnetic disk drive having same and fabrication thereof |
| 06/30/1998 | US5774436 Method of transmitting identification data for servo control in a disc player |
| 06/30/1998 | US5774313 Magnetic disk which reduces deterioration in regenerated signals due to optical servo grooves |
| 06/30/1998 | US5774304 Disc head slider having center rail with asymmetric edge steps |
| 06/30/1998 | US5774299 Adaptive calibration of read/write elements in a disc drive |
| 06/30/1998 | US5774298 Asynchronous digital PES demodulation disk drive servo control system |
| 06/30/1998 | US5774297 Dynamic compensation of servo burst measurement offsets in a disc drive |
| 06/30/1998 | US5774295 Servo track writing technique |
| 06/30/1998 | US5774294 Servo track writer with tuned damper |
| 06/30/1998 | US5774293 Magnetic recording and/or reproducing apparatus with automatic control of separation between the magnetic head and the record carrier surface |
| 06/30/1998 | US5773948 Servo control gain correction method of disk recording system |
| 06/30/1998 | US5771570 Method of manufacturing a slider/suspension having an improved crown sensitivity |
| 06/30/1998 | US5771569 Manufacturing method for magnetic head suspension |
| 06/30/1998 | US5771568 Method for manufacturing a head suspension having electrical trace interconnects with reduced capacitance |
| 06/25/1998 | WO1998027653A1 Data and servo sampling in synchronous data detection channel |
| 06/25/1998 | WO1998027547A1 Bimorph piezoelectric microactuator head and flexure assembly |
| 06/25/1998 | WO1998027546A1 E-block head stack microactuator assembly |
| 06/24/1998 | EP0849735A1 Combined longitudinal and transversal tracking |
| 06/23/1998 | US5771394 Apparatus having signal processors for providing respective signals to master processor to notify that newly written data can be obtained from one or more memories |
| 06/23/1998 | US5771393 Servo loop control apparatus having master processor to control the apparatus and second processor dedicated to specific preprogrammed servo loop control tasks |
| 06/23/1998 | US5771329 Recording mode control method for combined video appliances |
| 06/23/1998 | US5771136 Suspension assembly for mounting a head slider having a flexure with a shock limiter |
| 06/23/1998 | US5771135 For use with a data transducer |
| 06/23/1998 | US5771134 Floating type of magnetic head used in a magnetic recording apparatus and method for producing the same |
| 06/23/1998 | US5771133 Floating magnetic head |
| 06/23/1998 | US5771130 For use in positioning a transducer located on a hard drive arm |
| 06/23/1998 | US5769912 System and method of vapor recovery in industrial washing equipment |
| 06/18/1998 | WO1998026410A1 System for recording and/or reproducing information, medium for use in the system, and magnetic write head and arrangement for formatting the medium |
| 06/17/1998 | EP0848377A1 Servo pattern writing method for magnetic disk drives, and magnetic disk drive adopting the method |
| 06/17/1998 | EP0848376A2 Microstep driving of an optical head after a track jump |
| 06/17/1998 | EP0847578A1 Disk drive |
| 06/17/1998 | EP0824752A4 Head park mechanism in a data storage device for preventing accidental damage |
| 06/17/1998 | CN1185005A Servo Pattern writing method for magnetic disk drives, and magnetic disk drive adopting the method |
| 06/17/1998 | CN1184998A Magnetic head, magnetic recording and regeneration device contg. same and method for mfg. said magentic head |
| 06/17/1998 | CN1038793C Audio record carrier and player for playing said record carrier |
| 06/16/1998 | US5768248 Pickup position and tilt adjusting apparatus of a disk player |
| 06/16/1998 | US5768226 Information recording and/or reproducing method and apparatus in which seek of a recording and/or reproducing head is corrected on the basis of detected moving velocity |
| 06/16/1998 | US5768064 Actuator arm assembly having a removable actuator arm |
| 06/16/1998 | US5768063 Rotary actuator in disk drive |
| 06/16/1998 | US5768062 Disk drive having rigid actuator arm structures |
| 06/16/1998 | US5768060 Low pofile radially and axially preloaded ball bearing for actuator pivot |
| 06/16/1998 | US5768059 Head load/unload and cleaning in a data storage device |
| 06/16/1998 | US5768058 Crash stop airlock mechanism |
| 06/16/1998 | US5768057 Air vane latch incorporating top cover profiling |
| 06/16/1998 | US5768056 Oleophobic and hydrophobic fluoro acrylate polymer barrier film |
| 06/16/1998 | US5768055 Magnetic recording head having a carbon overcoat array on slider air bearings surfaces |
| 06/16/1998 | US5768054 Tribo-attractive contact data storage system |
| 06/16/1998 | US5768053 Flying magnetic head slider |
| 06/16/1998 | US5768050 Hard disk drive using a rotary actuator and having an isolated voice coil motor |
| 06/16/1998 | US5768045 Hardware velocity limit control system |
| 06/16/1998 | US5768044 Zoned recording embedded servo disk drive having no data identification fields and reduced rotational latency |
| 06/11/1998 | WO1998025264A1 Leading edge slider microactuator |
| 06/10/1998 | EP0847044A1 Altitude insensitive air bearing slider |
| 06/10/1998 | EP0847043A1 Damping material and head suspension with use thereof |
| 06/10/1998 | EP0846323A1 Velocity control for a disk drive actuator |