Patents
Patents for G11B 19 - Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function (26,229)
03/2002
03/14/2002US20020030915 Method of controlling read write operation of a magnetic disk apparatus
03/14/2002US20020030914 Storage device for reliably maintaining data in a reproducible state for a long period of time
03/14/2002US20020030911 Portable information processing apparatus
03/14/2002US20020029667 Centering apparatus and method
03/14/2002DE10043808A1 Spindle motor with casing for hard disk drive, has separate, pot-shaped casing closed on one side with stator fitted to outer periphery and outer rings of roller bearing fitted to inner periphery
03/14/2002DE10043298A1 Gerät zum Spielen von Speicherplatten Device for playing discs
03/13/2002EP1187126A1 Motor control device allowing measurement of the speed of rotation of the rotor
03/13/2002EP1187111A2 Method of discriminating disk type and reproducing apparatus thereof
03/13/2002EP1187110A1 Rewritable multilayer disc and information recording / reproducing device
03/13/2002EP1185920A2 Mixed-signal single-chip integrated system electronics for magnetic hard disk drives
03/13/2002EP0986815B1 Method and device for testing the safety of a data carrier
03/13/2002CN2482186Y Multifunctional digital recording timing playback machine
03/13/2002CN1340193A Variable gain amplifier with temperature compensation for use in a disk drive system
03/13/2002CN1340192A Recording medium, data recording method and apparatus, data reproducing method and apparatus, and copying control method
03/13/2002CN1340190A Disk reproducing system
03/13/2002CN1339798A Rewritable recording medium and its recording, reproducing method and device
03/13/2002CN1339797A Rewritable recording medium and its recording, reproducing method and device
03/13/2002CN1339796A Rewritable recording medium and its recording, reproducing method and device
03/12/2002US6356977 System and method for on-line, real time, data migration
03/12/2002US6356707 Multimedia optical disk, reproduction apparatus and method for achieving variable scene development based on interactive control
03/12/2002US6356703 Optical disc for coordinating a variable reproduction of video images
03/12/2002US6356523 Apparatus for reproducing information recorded on optical disc
03/12/2002US6356518 Information recording and/or reproducing apparatus for optical disks having various protective layer thicknesses
03/12/2002US6356517 Optical disc with a control chip
03/12/2002US6356409 Balancing apparatus and method for high speed hard disk drive spindles
03/12/2002US6356408 Magnetic disk apparatus, including spindle motor having air flow passage in hub for pressure balance
03/12/2002US6355872 Random play control method and apparatus for disc player
03/12/2002US6354742 Hydraulic dynamic bearing and spindle motor
03/07/2002WO2002019700A1 Reproducing arrangement having an overview reproducing mode
03/07/2002WO2002018804A1 Dynamic pressure type fluid bearing device and method of manufacturing the fluid bearing device
03/07/2002US20020028069 Method of recording and/or playing back catalog information
03/07/2002US20020028068 Method of recording and/or playing back catalog information
03/07/2002US20020028067 Method of recording and/or playing back catalog information
03/07/2002US20020028066 Method of recording and/or playing back catalog information
03/07/2002US20020028065 Method of recording and/or playing back catalog information
03/07/2002US20020027990 Signal transmision method
03/07/2002US20020027867 Disk drive with compensation of disk eccentricity
03/07/2002US20020027857 Apparatus for recording and/or reproducing information and/or from optical information record disk
03/07/2002US20020027856 Apparatus for recording and/or reproducing information and/or from optical information record disk
03/07/2002US20020027855 Optical disc and optical disc apparatus
03/07/2002US20020027850 Apparatus for recording and/or reproducing information and/or from optical information record disk
03/07/2002US20020027848 Recording medium, recording apparatus, and reading apparatus
03/07/2002US20020027735 Magnetic disk apparatus
03/07/2002US20020027734 Recording and reporducing apparatus
03/07/2002US20020027733 Disturbance detection circuit, memory device thereof, and disturbance detection method
03/07/2002US20020027731 Data reproducing unit, data reproducing method of the same, and a magnetic recording/reproducing apparatus
03/07/2002US20020027730 Amplitude modulation detection for hard disc drive write operation
03/07/2002US20020027394 Index detection mechanism generating index signal indicating one rotation of sensorless spindle motor
03/06/2002EP1184863A2 Information processing system for holding number of times of record restarting
03/06/2002EP1184862A2 Data disc reproducing apparatus
03/06/2002EP1184854A2 Optical storage apparatus
03/06/2002CN1338731A CD device, CD recording method and compact discs
03/06/2002CN1080438C CD play-back device and control thereof
03/06/2002CN1080435C Disk drive
03/06/2002CN1080426C Optical disc apparatus
03/05/2002US6353914 Preamp writer fault detection circuit
03/05/2002US6353590 Media stabilization for laser servowriting
03/05/2002US6353510 Disk speed profile method and device
03/05/2002US6353315 Method and apparatus for using the data interface of a disk drive to identify and characterize disk flaws
02/2002
02/28/2002WO2002017315A2 Intelligent data storage device
02/28/2002US20020026595 Power supply control system and power supply control method capable of reducing electric power consumption
02/28/2002US20020026587 Copy protection system
02/28/2002US20020026290 Recording and reproducing apparatus and time calibration method of recording and reproducing apparatus
02/28/2002US20020025138 Apparatus and method for recording and reproducing information
02/28/2002US20020025090 Fluid bearing device
02/28/2002US20020025039 Recording method, producing method, playback method, apparatus, and information recording medium
02/28/2002US20020024907 Disk drive unit and disk drive method
02/28/2002US20020024904 Optical disk apparatus, optical disk recording method, and optical disk
02/28/2002US20020024903 Optical disk unit
02/28/2002US20020024902 Information reproducing method and apparatus
02/28/2002US20020024899 Apparatus and method to compensate for disturbance using learning control in an optical recording/reproducing apparatus and optical recording medium drive servo system
02/28/2002US20020024762 Disc clamp having adjustable balance ring
02/28/2002US20020024757 Disk drive capable of easily switching between rotational driving units of different mechanisms
02/28/2002US20020024313 Motor driving circuit using a PWM input signal
02/27/2002EP1182656A2 Method and system for compensating for spin speed variation in a magnetic disk storage device
02/27/2002EP1182652A2 Apparatus and method of compensating for disturbance in optical recording/reproducing apparatus and optical recording medium drive servo system using the apparatus and method
02/27/2002CN1338101A Disk device and method of decelarating/stopping disk in disk device
02/27/2002CN1337770A Dynamic-pressure bearing motor and producing method thereof
02/27/2002CN1337698A Recording and reproducing apparatus, medium and information assemble
02/27/2002CN1337694A Disc regenerating apparatus
02/27/2002CN1337677A Method and apparatus for quickly generating read-write arrangement of read-write optical recording medium
02/27/2002CN1337674A Disc driving device
02/27/2002CN1079978C Disc recording/reproduction apparatus and method
02/26/2002US6351599 Picture image selecting and display device
02/26/2002US6351441 Regulatable optical disc drive and method of controlling a regulatable optical disc drive
02/26/2002US6351440 Disk reproducing speed control method and a disk reproducing apparatus using this method
02/26/2002US6351341 Apparatus and method for providing axial control outside impact resistance of a hard disk drive to maintain a constant flying height of a head by control of a suspension
02/26/2002US6351287 Apparatus for recording, reproducing or erasing
02/21/2002US20020021637 Recording apparatus, recording medium, reading apparatus, and recording medium determination method
02/21/2002US20020021635 Recording and reproducing apparatus having copy-protection function and method thereof
02/21/2002US20020021633 Optical disk reproducing apparatus and setup method
02/21/2002US20020021632 Servo method for optical recording medium
02/21/2002US20020021630 High-performance information processing apparatus having multitasking functions
02/21/2002US20020021517 Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores
02/21/2002US20020021513 Disk drive
02/21/2002US20020021512 Disk drive device
02/20/2002CN1336660A Device for reproducing digital video disc
02/20/2002CN1336643A Method and device for astigmatism regulation for optical wave-pick-up device
02/20/2002CN1079567C Optical recording and reproducing device with main shaft motor position correcting device
02/19/2002US6349081 Recording medium, recording apparatus and recording method