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)
08/1999
08/31/1999US5944427 Dynamic pressure gas bearing structure and method of manufacturing the same as well as method of using the same
08/31/1999US5944426 For supporting a polygon mirror that is rotated by a rotor
08/25/1999EP0938089A2 Hard disk drive device
08/25/1999EP0938088A2 Hard disk drive device
08/25/1999EP0938087A1 Device for reading from and/or writing to recording media in disc form
08/25/1999EP0938084A2 Reproduction apparatus and reproduction method
08/25/1999EP0938079A2 Studless thin film magnetic head and process for making the same
08/25/1999EP0937298A1 Radial damping mechanism for turntable in cd player
08/25/1999CN1226724A Method and apparatus for moving carriage assembly from initial position to target position
08/24/1999US5943311 Apparatus for recording and reproducing information
08/24/1999US5943308 Portable compact disk open/hold actuator button
08/24/1999US5943307 Vibration-resistant playback device having reduced power consumption
08/24/1999US5942820 Structure of spindle motor in a disk drive and method of assembling the disk drive
08/24/1999US5942001 Information processing apparatus
08/24/1999US5941998 Disk drive incorporating read-verify after write method
08/19/1999WO1999041749A1 Information storage medium having multilayer information layer and multi-purpose information processor
08/19/1999WO1999041745A1 Disk cartridge and disk player
08/19/1999DE19842493A1 Magnetic disc drive system
08/18/1999EP0836189B1 Multimedium optical disk storing image titles in such a manner that whether they need av functions for reproduction can be instantly judged, and apparatus for and method of reproducing the same
08/18/1999CN1226101A 流体轴承装置 Fluid bearing means
08/18/1999CN1226061A Disc driving apparatus
08/18/1999CN1226055A Apparatus for performing both read and write operations
08/18/1999CN1226053A Information storage apparatus
08/17/1999US5940854 Unique identifier for optical media
08/17/1999US5940364 Optical disk including wobbled guiding groove composed of pits, optical disk manufacturing apparatus, and optical disk recording/reproducing apparatus
08/17/1999US5940363 Optical disk with a memory chip mounted thereon
08/17/1999US5940357 Apparatus for recording and/or reproducing information and/or from optical information record disk
08/17/1999US5940247 Magnetic recording device with spindle motor lubricant of specified amine and carbamate concentrations/ratios
08/17/1999US5940246 Disc drive hydro bearing lubricant with electrically conductive, non-metallic additive
08/17/1999US5940235 Reproducing circuit for a magnetic head incorporating the voltage-to-current and an exponent current amplifier
08/17/1999CA2191536C A method and a system of optical disk auto-discrimination
08/17/1999CA2164384C Optical pick-up apparatus capable of reading data irrespective of disc type
08/12/1999WO1999040583A1 Method of identifying type of disk
08/12/1999WO1999040582A1 Playback device for disc-shaped recording media
08/12/1999DE19903962A1 Disk rotation control device e.g. for spindle motor drive of optical disk
08/12/1999DE19804541A1 Wiedergabevorrichtung für plattenförmige Aufzeichnungsträger Reproducing apparatus for disc-shaped recording medium
08/11/1999EP0935251A2 Multimedia optical disc which enables a title developer to coordinate the use of special reproduction functions and a reproduction device for said disc
08/11/1999EP0935249A2 Multimedia optical disc storing both video titles provided with AV functions and video titles with no such functions which can instantly distinguish between such kinds of titles, and a reproduction apparatus and reproduction method for such disc
08/11/1999EP0935248A2 Recording and reproducing apparatus and terminal apparatus
08/11/1999EP0935242A1 Optical disc type recording medium
08/10/1999US5937433 Method of controlling hard disk cache to reduce power consumption of hard disk drive used in battery powered computer
08/10/1999US5937427 Information recording apparatus and method capable of efficient erase, write and verify processes
08/10/1999US5937136 Video data edit/reproduction apparatus for video data which mixedly includes moving and still images
08/10/1999US5936933 Information recording medium and method and apparatus for recording and reproducing information using the same
08/10/1999US5936926 Variable transfer rate data reproduction apparatus
08/10/1999US5936925 Information record medium, apparatus for recording the same and apparatus for reproducing the same
08/10/1999US5936812 Thin film magnetic head with inductive magnetic conversion element and magnetoresistive conversion element
08/10/1999US5936790 Servo sector allocation for high sampling rate
08/10/1999US5936787 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
08/10/1999US5936365 Method and apparatus for using back EMF to control a motor
08/05/1999DE19850248A1 Disk drive with vibration absorber
08/04/1999EP0933766A2 Information reproduction apparatus and information recording and reproduction apparatus
08/04/1999EP0933764A1 Universal storage device for data
08/04/1999EP0932868A2 A method of updating program code for an optical disc drive microcontroller and an optical disc drive
08/04/1999EP0836682A4 Improved hydrodynamic bearing unit
08/04/1999CN1224896A High-speed driving and reading device for data memory disc
08/04/1999CN1224892A Self-compensating dynamic balancer
08/04/1999CN1224890A Disk having unique code for identifying its type for optical disk player and method for discriminating types thereof
08/03/1999US5933399 Optical disc recording method and apparatus with variable speed control function
08/03/1999US5933398 Apparatus for reproducing recording medium with synthesis method and default value and method therefor
08/03/1999US5933397 Optical storage apparatus having track seek control unit providing improved seek performance
08/03/1999US5933299 Magnetic recording system providing a magnetic head having opposite sides for applying different magnetic field strengths to a magnetic recording medium
08/03/1999US5933292 Bearing structure for a hard disk drive device
08/03/1999US5931921 System for CD-ROM audio playback utilizing blocking of data writing, resuming writing responsive to detecting data in response to difference between desired address and present address
07/1999
07/29/1999WO1999038169A1 Information reproduction system, information recording / reproduction system, and recording medium
07/29/1999WO1999038167A1 System for recording and reproducing digital information, and digital information recording media
07/29/1999WO1999038163A1 Method and apparatus for retroactive recording using memory of past information in a data storage buffer
07/28/1999EP0932159A2 Information recording apparatus
07/28/1999EP0895665A4 Thin film electric motors and method of manufacture
07/27/1999US5930358 For use with a computer
07/27/1999US5930228 Method and apparatus for recording and reproducing information using pseudo identification signal
07/27/1999US5930226 Storage medium storing plural data of plural types in reproduction order with identification information
07/27/1999US5930222 Pre-pit detecting device and information recording apparatus employing the same
07/27/1999US5930221 Optical storage device made thinner by substituting electrical means for capabilities of sensors
07/27/1999US5930217 Optical information recording/reproducing system, optical information storage medium, and manufacturing method thereof
07/27/1999US5930210 System and apparatus for recovering information from a record carrier which exhibits variations of two different physical parameters thereof
07/27/1999US5930087 Robust recording head for near-contact operation
07/27/1999US5930076 Magnetic disk drive
07/27/1999US5930075 Disc drive spindle motor having hydro bearing with optimized lubricant viscosity
07/27/1999US5930071 Disk drive assembly with vibration dampening pivot assembly
07/27/1999US5930069 Intelligent hard disk drive with track pitch adjustment
07/27/1999US5929857 Method and apparatus for dynamically constructing a graphic user interface from a DVD data stream
07/27/1999US5929589 Stepping motor drive and a method of driving same
07/22/1999DE19900800A1 Modular hard disc drive system for computers
07/21/1999EP0930616A2 Data storage device and control method therefor
07/21/1999EP0930614A1 "Closed information system with physical copy protection"
07/21/1999EP0930613A1 Information storage apparatus
07/21/1999EP0829084B1 Adaptive control of a write inhibit signal in a disk drive
07/21/1999CN1223437A Recording apparatus, recording method, playback apparatus, playback method, recording/playback apparatus, recording/playback method, presentation medium and recording medium
07/20/1999US5926453 Optical disk having first and second recording areas with wobble frequencies that do not interfere with EFM signal
07/20/1999US5926449 Pre-calibration system and method for CD-ROM drive speed optimization
07/20/1999US5926342 Air dynamic pressure bearing apparatus and data drive apparatus using the same
07/20/1999US5926338 Method for controlling repeatable following error in a hard disk drive
07/20/1999US5925955 Labyrinth seal system
07/20/1999US5925949 Disc drive motor with means to center a disc and limit its axial movement
07/20/1999CA2057487C Magnetic recording system
07/14/1999EP0929072A2 Digital recording system using variable recording rate
07/14/1999EP0929067A1 Magnetic disk apparatus
07/14/1999EP0826214B1 Disk drive assembly with vibration dampening characteristics
07/14/1999EP0807346A4 Cd-prom