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)
05/2000
05/24/2000EP1003301A2 Program information providing apparatus and record/playback control apparatus
05/24/2000EP1003275A2 Method and system for driving a three-phase motor in a mass storage device
05/24/2000EP1003273A2 Inductive boost circuit for disk drive
05/24/2000EP1003165A2 Spindle motor control apparatus for optical disk recording device
05/24/2000EP1003164A2 Signal recording/reproducing apparatus
05/24/2000EP1003162A1 An optical disk and an optical disk reproduction apparatus
05/23/2000US6067401 Playing a version of and from within a video by means of downloaded segment information
05/23/2000US6067400 Multimedia optical disc having improved interactive reproduction procedure, a reproduction apparatus and a method for such a disc
05/23/2000US6067214 Data cartridge marker for foreign object detection
05/23/2000US6067203 Disk drive having optimized spindle speed for environment
05/23/2000US6067202 Method and apparatus for controlling spindle motor commutation switching times in a disk drive
05/23/2000US6067201 Disk protection method for removable magnetic recording/reproducing device
05/23/2000US6066909 Method and system for providing a spherical bearing in a thin film motor
05/23/2000US6065877 Thermal compensation for fluid dynamic bearing using bimetal parts
05/23/2000US6065368 Self-compensating dynamic balancer
05/23/2000US6065231 Motor drive method and drive circuit
05/18/2000WO2000028540A1 Apparatus for developing a dynamic servo signal from data in a magnetic disc drive and method
05/18/2000WO2000028538A1 Optical disk, disk substrate, and drive
05/18/2000WO2000028532A1 Method of recording a multi-layer optically recordable information carrier
05/18/2000WO2000028406A2 Mixed-signal single-chip integrated system electronics for magnetic hard disk drives
05/18/2000WO2000028342A1 Disk drive with thermal asperity reduction circuitry using a magnetic tunnel junction sensor
05/18/2000WO1996039697A8 Error correction via programmable bias current for mr recording heads
05/17/2000EP1001425A2 Playback equipment
05/17/2000EP1001418A1 Recording-reproducing apparatus with a system for automatically detecting the diameter of a disk inserted therein
05/17/2000EP1001416A1 A method of recording information on a magneto-optical medium
05/17/2000EP1001409A2 Disc recording medium, recording apparatus and playback apparatus
05/17/2000CN2378805Y Improved driving device for turntable of gramophone
05/17/2000CN1253697A System for forming program guide information for user initiation of control and communication functions
05/17/2000CN1253653A Copy protectable optical media device and method therefor
05/17/2000CN1253435A Missed pulse detector using synchronous detection
05/17/2000CN1253356A Balanced CD
05/17/2000CN1253246A Dynamic vibration damper and hard disk actuator using said device
05/17/2000CN1052552C Data destruction preventing method, recording apparatus provided with data destruction preventing capability, and disc recorded with guard band
05/16/2000US6064640 Optical disk apparatus and medium carrier and medium turntable for optical disk apparatus
05/16/2000US6064634 Compact disc player capable of automatically generating a start command
05/16/2000US6064535 Servo error response system on a magnetic disk device
05/16/2000US6064534 Method and apparatus for varying write currents supplied to recording heads based on temperature changes in an information storing device
05/16/2000US6064385 Systems with user preference setting schemes
05/16/2000US6064130 Motor having dynamic pressure bearing, and rotator device having the motor as driving source
05/11/2000WO2000026914A1 Two-piece media hub and methods of attaching same to medium
05/11/2000WO2000026912A1 Optical disk, method of reproducing and copying optical disk, and method of preventing illegal use of optical disk
05/11/2000WO2000026906A1 Low profile spindle motor for a disk drive device
05/11/2000DE19953314A1 Dämpfungseinrichtung Damping device
05/10/2000EP0999553A1 Portable apparatus for storing, handling and listening to pieces of music
05/10/2000EP0999549A2 MP3 car player
05/10/2000EP0999547A1 Method and apparatus for active head mode control
05/10/2000EP0999546A1 Dynamic vibration absorber and hard disk drive employing the same
05/10/2000EP0999543A2 Bimodal biasing of magneto resistive heads
05/10/2000EP0998744A1 A model and command set for an av/c-based disc media player/recorder subunit
05/10/2000EP0740831B1 Disc-like record carrier, recording and/or reading apparatus for recording/reading information in the record carrier
05/10/2000CN2377654Y Bearing device for main shaft motor of CD machine
05/10/2000CN1252857A Rotary air bearing and process for manufacturing the same
05/10/2000CN1252601A Apparatus and method for recording speed control of optic recording medium recording/reproducing system
05/09/2000US6061805 Method for executing an error recovery procedure
05/09/2000US6061680 Method and system for finding approximate matches in database
05/09/2000US6061325 Dual mode auto-balancer for DVD drives
05/09/2000US6061318 Method for discriminating a type of a disc and a digital versatile disc system adopting the same
05/09/2000US6061315 Disc data reproducing apparatus and signal processing circuit
05/09/2000US6061314 Optical disc device reproducing information according to reproduction speed information
05/09/2000US6061308 Optical disk reproducing apparatus and optical disk reproducing method capable of reproducing information recorded on head portion of each track
05/09/2000US6061198 Start/stop architecture for hard disk drive utilizing a magnetoresistive head and zone texture media
05/09/2000US6061197 Adaptive control of a write inhibit signal in a disk drive based on adaptive track pitch
05/09/2000US6061195 Variable zone layout and track pitch parameter considerations for information storage disk drive
05/09/2000US6061192 Method and circuit for providing feedback in a pre-amplifier for a multi-head disk drive
05/09/2000US6061090 Recording and/or reproducing apparatus
05/09/2000US6060887 Method of detecting abnormality in magnetic head, circuit therefor, and magnetic disk apparatus
05/09/2000US6059984 Forming alumina layer; masking; etching
05/09/2000US6059459 Hydrodynamic pressure bearing
05/09/2000CA2288596A1 Disc recording medium, recording apparatus and playback apparatus
05/04/2000DE19850302A1 Ausgewuchtete Optische Disk Balanced Optical Disk
05/04/2000DE19850020A1 Gerät zum Abspielen von auf einer optischen Informationsplatte digital gespeicherten Informationen Device for playing digitally stored on an optical information disc information
05/04/2000DE19850018A1 Gerät zum Abspielen von auf einer optischen Informationsplatte digital gespeicherten Informationen Device for playing digitally stored on an optical information disc information
05/03/2000EP0997910A1 Apparatus for playback of digitally recorded information from an optical information disc
05/03/2000EP0997909A1 Apparatus for playback of digitally recorded information from an optical information disc
05/03/2000EP0997900A2 Method and apparatus for recording and reproducing information on and from disk
05/03/2000EP0997899A2 Optical disk, method for recording and reproducing additional information to and from optical disk, reproducing apparatus for optical disk, and recording and reproducing apparatus for optical disk
05/03/2000EP0997898A2 System for reproducing information recorded on an information recording medium
05/03/2000EP0997892A1 Recording disc
05/03/2000EP0997891A1 Balanced optical disc
05/03/2000EP0997873A1 Data storage and retrieval system
05/03/2000EP0997871A1 Magneto-resistive removable hard disk cartridge and disk drive and quadrature embedded servo bursts
05/03/2000CN1052092C Method for determining reproduction position of reproduction device
05/02/2000US6058084 Disk-shaped recording medium using segment ID and disk unit using the disk-shaped recording medium
05/02/2000US6058082 Method for discriminating a type of a disc and a digital versatile disc system adopting the same
05/02/2000US6058081 Optical drive system having servomotor operated relative to maximum quad sum signal
05/02/2000US6058080 Disc-position display for auto disc changer
05/02/2000US6058079 Optical disc reproducing apparatus for pre-reading recording data to be reproduced
05/02/2000US6057981 Product information identification in a head disc assembly
05/02/2000US6057976 Apparatus for detecting rotational displacement information of a rotating object
05/02/2000US6057974 Magnetic disk storage device control method, disk array system control method and disk array system
05/02/2000US6057972 Current source for a magnetoresistive head with variability and selectable slew rate
05/02/2000CA2174112C System and method for disk software publishers to control disk distribution
04/2000
04/27/2000DE19849094A1 Magnetic seal and associated cover disc for disk drive spindle motor, are adhered together with bead of adhesive in single operation
04/26/2000EP0996125A1 Control apparatus and method for scanning and/or reproducing a medium
04/25/2000US6055604 Forced transaction log posting using a least busy storage media without maintaining redundancy of the transaction log
04/25/2000US6055586 Image manipulating system including means for displaying an image and information relating to transfer of an image
04/25/2000US6055356 Tracking control method and apparatus for video recorder/player
04/25/2000US6055355 Method for controlling pick-up upon video-disk search
04/25/2000US6055219 Method of switching the motor operation of an optical disc drive between the constant linear velocity mode and the constant angular velocity mode
04/25/2000US6055216 Optical disk player capable of playing back both CD-ROM and CD-DA