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)
07/1997
07/23/1997EP0784757A1 Method of manufacturing a dynamic groove bearing by means of a metal-removing tool, and data storage unit provided with such a dynamic groove bearing
07/23/1997CN1155145A Speed controlling method for optical information reproducing device
07/23/1997CN1155141A Medium recording device, medium reproducing device, recording and reproducing method and medium thereof
07/22/1997US5650897 Wet etching the thick alumina layer and removing (in sequence) the metallic masking layers; studless; accuracy; stress relieving; reduced chipping; bonding strength; copper-free
07/22/1997US5650891 Apparatus for performing multiple functions in a data storage device using a single electro-mechanical device
07/22/1997US5650886 Disk drive spindle motor start up using an additional motor winding upon startup failure
07/22/1997US5650885 Device having synchronized spindle control in disk drives with at least two data per rotation of a disk
07/22/1997US5650882 Disk unit performing control using sector pulses
07/22/1997CA2107627C Disk player
07/17/1997WO1997025714A1 Information recording medium, recording method and reproduction apparatus
07/16/1997EP0784321A2 Automatic disk discrimination method and apparatus in optical disk system
07/16/1997EP0783748A1 Mass-storage applications of local probe arrays
07/16/1997EP0726016A4 System and method for disk software publishers to control disk distribution
07/16/1997EP0726013A4 System and method for controlling play of multiple versions of same motion picture stored on optical disk
07/16/1997CN1154748A System including a presentation apparatus, in which different items are selectable, and a control device for controlling the presentation apparatus and control device for such a system
07/16/1997CN1154550A Optical disk apparatus
07/16/1997CN1154549A Optical disk apparatus
07/16/1997CN1154548A Optical disk apparatus and medium carrier and medium turntable for optical disk apparatus
07/16/1997CN1154538A Audio player for reproducing writing data as audio signals
07/16/1997CN1154537A Optical disk apparatus
07/16/1997CN1154536A Optical disk apparatus
07/16/1997CN1154535A Optical disk apparatus
07/15/1997US5647672 Memory disk driving apparatus
07/10/1997WO1997024218A1 Cd transporter
07/09/1997EP0783168A2 On-the-fly error correction using thermal asperity erasure pointers from a sampled amplitude read channel in a magnetic disk drive
07/09/1997EP0783119A1 Biaxial actuator and optical disc apparatus
07/09/1997EP0782745A1 Method and apparatus for storing data using spin-polarized electrons
07/09/1997CN1154175A Information holding/transmitting medium employing parental control
07/08/1997US5646926 Cartridge carrier assembly for loading and ejecting cartridges
07/08/1997US5646921 Method and apparatus for reproducing information recorded on CLV disc type record medium
07/08/1997US5646920 Digital optical compact disc and compact disc player
07/08/1997US5646743 Method for formatting a videotape and recording/reproducing to/from the formatted videotape
07/08/1997US5646699 CDP-incorporated television receiver which selects a signal based on a type of compact disk detected
07/08/1997CA2062041C Information processing apparatus having a floating-type head with a bevelled slider
07/08/1997CA2054880C Information recording and reproducing device
07/03/1997WO1997023873A1 Drive system comprising a motor, control means and method for controlling the motor, apparatus for information storage and/or reproduction comprising the drive system
07/03/1997WO1997023736A1 Dynamic groove bearing with a lubricant barrier
07/03/1997WO1997011454A3 Adaptive compensation for hard disc drive spindle motor manufacturing tolerances
07/03/1997DE19654589A1 Servo pattern provision method for servo signal error recognition
07/03/1997DE19654264A1 Intelligent hard disc drive
07/03/1997DE19654247A1 Positioning drive magnetic disc device
07/02/1997EP0782133A1 Reproducing apparatus
07/02/1997CN1153377A Apparatus for generating track count pulse
07/01/1997US5644705 Method and apparatus for addressing and testing more than two ATA/IDE disk drive assemblies using an ISA bus
07/01/1997US5644561 Method of discerning disc in compact disc drive
07/01/1997US5644454 Electrostatic discharge protection system for MR heads
07/01/1997US5644444 Read/write protect scheme for a disk cartridge and drive
06/1997
06/25/1997EP0780833A2 Improved magnetic recording system having a saturable layer and detection using MR element
06/25/1997EP0380513B1 An adaptive vision-based controller
06/25/1997CN1152774A Automatic changing device for floppy disc
06/24/1997US5642458 Video signal processing apparatus
06/24/1997US5642346 Recording medium and reproducing apparatus thereof
06/24/1997US5642342 Apparatus for controlling the rotational speed of an optical-disc
06/24/1997US5642244 Method and apparatus for switching between data and servo modes
06/24/1997US5641841 Conductive lubricant for magnetic disk drives
06/18/1997EP0779622A2 Optical disk apparatus
06/18/1997EP0779621A2 Optical disk apparatus
06/18/1997EP0779618A1 Optical disk apparatus
06/18/1997EP0779617A1 Optical disk apparatus
06/18/1997EP0779616A1 Optical disk apparatus and medium carrier and medium turntable for optical disk apparatus
06/18/1997EP0779613A2 Optical disk apparatus
06/18/1997CN1152369A Device for optically scanning recording medium
06/17/1997US5640535 Library apparatus for duplicating disks and then sorting them to easily distinguish defective disks from normally copied disks
06/17/1997US5640383 Apparatus and method for reproducing data from a record medium
06/17/1997US5640378 Disc recording apparatus for recording data in units of a full cluster
06/17/1997US5640375 Method and apparatus for controlling a multi-disc photo CD player
06/17/1997US5639547 Multilayer
06/17/1997US5639168 Ball bearing for supporting a spindle rotating at high speed
06/12/1997WO1997021220A1 Method and apparatus for seamless splicing of digital data streams
06/11/1997EP0778574A2 Disc recording and/or reproducing apparatus
06/11/1997EP0778568A2 Disk cartridge
06/11/1997EP0479233B1 Disc reproducing apparatus
06/11/1997EP0402397B1 Disk drive apparatus
06/11/1997CN1151578A Apparatus for discriminating optical recording media of different thicknesses from each other and reproducing information therefrom
06/11/1997CN1151577A Data recording method and apparatus, data record medium and data reproducing method and apparatus
06/10/1997US5638351 Recording and/or reproducing apparatus for recording medium
06/10/1997US5638346 Magneto-optical reproducing apparatus having a jog dial track number selector
06/10/1997US5638307 Apparatus having source power control unit responsive to voltage fluctuation
06/10/1997US5638237 Fusible-link removable shorting of magnetoresistive heads for electrostatic discharge protection
06/10/1997US5638233 Magnetic disk drive motor having a fixed shaft with circumferential grooves for integrating the bearing therewith and having a disc abutting the outer ring of the bearing
06/10/1997US5638026 High input impedance circuit and semiconductor integrated device provided therewith
06/10/1997US5638012 Write driver circuit
06/10/1997US5637970 Motor speed control apparatus and motor speed control method
06/05/1997DE19642374A1 Non-volatile data storage device for use in portable computers
06/05/1997DE19637953A1 Non-volatile data storage device for use in portable computers
06/05/1997DE19635290A1 Non-volatile data storage device for use in portable computers
06/04/1997CN1151078A Disk device
06/04/1997CN1151076A Integrated circuit for controlling information storage disk
06/04/1997CN1151075A Apparatus and method for discriminating optical disk
06/03/1997US5636200 Recording medium and reproducing apparatus thereof
06/03/1997US5636196 For reproducing an information data
06/03/1997US5636193 Method and apparatus for reducing vibration on a disk spindle motor by detecting the vibrations and correcting the motor driving signal according to the detected vibration
06/03/1997US5636192 Disc player apparatus having a signal processing circuit which produces a reproduction clock synchronism with a reproduced signal
06/03/1997US5636084 Magnetic disk drive motor including a fixed shaft having mounted thereon a ball bearing with a rotor fixed at one end thereof and having a disc abutting the outer ring of the bearing
06/03/1997US5634849 Content-on-demand interactive video method and apparatus
06/03/1997US5634724 Hydrodynamic bearing for spindle motor having high inertial load
06/03/1997CA2040703C Method of access to recording medium, and apparatus and method for processing information
05/1997
05/29/1997WO1997019505A1 D.c. brushless motor with minimized net radial forces and low cogging torque
05/29/1997WO1997019451A1 Multi-language recording medium and reproducing device for the same
05/29/1997WO1997019420A1 Information storage medium, information reproducing apparatus, game machine and its information reproducing method