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)
02/1994
02/08/1994CA1326904C Optical disc drive
02/08/1994CA1326902C Method and apparatus for recording data
02/03/1994WO1994002942A1 Fluid drive system for a rotating medium
02/03/1994CA2138550A1 Fluid drive system for a rotating medium
02/02/1994EP0581717A2 Error measurement circuit
02/02/1994EP0581364A1 Seal for bearings in small angle oscillation applications
02/02/1994EP0581362A1 System and method for preventing direct access data storage system data loss from mechanical shock during write operation
02/01/1994US5283791 Error recovery method and apparatus for high performance disk drives
02/01/1994US5283779 Rewritable optical disc
02/01/1994US5283702 Power saving system for rotating disk data storage apparatus
02/01/1994US5283659 Apparatus and method of high vision signal recording using expansion techniques and digital drop-out compensation
02/01/1994US5283521 Method and system for adaptive digital linearization of an output signal from a magnetoresistive head
02/01/1994US5283491 Air-bearing motor assembly for magnetic recording systems
01/1994
01/31/1994CA2091911A1 Seal for bearings in small angle oscillation applications
01/26/1994EP0580368A2 Studless thin film magnetic head and process for making the same
01/26/1994EP0580361A2 Disc player and method of reproducing information of the same
01/26/1994EP0580066A2 Write/read device of optical information
01/25/1994US5282183 Position detecting apparatus and method
01/25/1994US5282097 Automatic search method for a record/play system
01/25/1994US5281886 Magnetic disk drive device and spindle motor for use in the same
01/24/1994CA2074496A1 Hard drive head array
01/20/1994WO1994001864A1 Recording apparatus in which plural recording media can be loaded
01/18/1994US5280603 Servo pause for disk drive embedded multi-tasked controller
01/18/1994US5280517 Storage apparatus which controls the usage of a storage medium
01/18/1994US5280468 Optical recording medium
01/18/1994US5280465 Fluid drive system for a rotating medium
01/18/1994US5280462 Disc playing and recording apparatus having a pair of heads controlled to prevent interruptions during play
01/18/1994US5280398 Removable data storage drive security module with lockable write protect feature
01/18/1994US5280395 Hard disc track defect detecting apparatus
01/18/1994US5280207 Spindle motor with disk clamping arrangement
01/12/1994EP0578509A1 Audio visual information signal reproducing apparatus
01/12/1994EP0578312A2 A decoding device for a time-interleaved data stream that is wordwise error protected and has detection for a FIFO jump
01/12/1994EP0578124A1 Power saving method and apparatus for intermittently reading reproduction apparatus
01/12/1994EP0577626A1 A method and a device for altering of the angular velocity of a driven rotating media carrier
01/12/1994CN1023518C System and method for data recovery in multiple head assembly storage device
01/11/1994US5278718 Circuit for generating a disk change signal
01/05/1994EP0577368A2 Data recording and/or reproducing method and apparatus
01/05/1994EP0577214A2 Zoned record carrier
01/05/1994EP0577104A1 High resolution optical hybrid digital-analog position encoder
01/04/1994US5276810 Information item selection apparatus producing multi-channel output signals
01/04/1994US5276669 Synchronous recording and playback of left and right stereo channels on separate digital discs
01/04/1994US5276581 Receiving apparatus including a display for displaying the amount of unrecorded memory
01/04/1994US5276569 Spindle controller with startup correction of disk position
01/04/1994US5276564 Programmable start-of-sector pulse generator for a disk drive using embedded servo bursts and split data fields
01/04/1994US5276558 Electronic information tag
01/04/1994CA1325848C Arrangement of recording/reproducing apparatus
12/1993
12/29/1993EP0576286A2 Magnetic head driving device and magnetooptical recording apparatus
12/29/1993EP0303700B1 Optical disk
12/29/1993EP0288571B1 Apparatus for recording and reproducing data using a disk
12/28/1993US5274779 Digital computer interface for simulating and transferring CD-I data including buffers and a control unit for receiving and synchronizing audio signals and subcodes
12/28/1993US5274621 Information recording/reproduction apparatus
12/28/1993US5274617 Method and device for data management in an optical recording medium
12/28/1993US5274612 Information processor and disk memory used in the same
12/28/1993US5274509 On-the-fly splitting of disk data blocks using timed sampling of a data position indicator
12/28/1993US5274507 High performance disk storage system
12/28/1993US5274288 Low noise spin motor for use in disk drive
12/22/1993EP0575200A1 Recording medium capable of suppressing resonance from recording and reproducing devices
12/22/1993CN1023265C System for transferring information using information carrier
12/22/1993CN1023262C Reproducing and/or recording apparatus
12/21/1993US5272692 Data storage member having areas in which intensity-modulated signals are overlaid with magneto-optically recorded signals
12/21/1993US5272691 Method for recording and reproducing compressed data
12/21/1993US5272581 Disk-type recording medium and storage apparatus
12/21/1993US5272577 Index adjustment circuit for floppy disk drive
12/21/1993CA1325385C Multiple audio signal processing system
12/16/1993DE4319278A1 Digital optical mini disc system using compressed data - reads back compressed data for entering into memory to allow for difference in speed of reading and processing of data
12/16/1993DE4319077A1 Mini disc digital audio recording system using compressed data - read from disc using memory to allow for difference in rate of data reading and processing
12/15/1993EP0574074A2 Data storage unit
12/15/1993EP0573964A2 Bi-polar disk torquing system for a disk drive to free stuck transducers
12/15/1993EP0506761A4 Direct access storage device with independently stored parity
12/15/1993EP0450206B1 Disk file
12/14/1993USRE34475 Apparatus for automatically reproducing preferred selections from a record carrier
12/14/1993US5270994 Magneto-optical recording and reading method
12/14/1993US5270992 Apparatus for controlling rotation of disk player
12/14/1993US5270882 Low-voltage, low-power amplifier for magnetoresistive sensor
12/14/1993US5270880 Predictive read-write inhibit decision using fuzzy logic
12/09/1993WO1993025009A1 Information and entertainment performance system
12/09/1993WO1993024929A1 Optical disk recorder/reproducer
12/09/1993WO1993024926A1 Improved cd transport apparatus
12/09/1993WO1993024878A1 Magnetic disk device
12/08/1993EP0573259A2 Device for and method of recording information and reproducing the same with delay time
12/08/1993EP0572789A2 Apparatus and method for shock attenuation in a disk recording and/or reproduction system
12/07/1993CA1325060C Bernoulli plate in cartridge
11/1993
11/30/1993US5267105 Disk loading device
11/30/1993US5267102 Recording and/or reproducing apparatus having single means for shifting speeds and selecting head conditions
11/29/1993WO1995014993A1 Electronic apparatus using information memory medium
11/24/1993EP0571221A2 Disc recording apparatus
11/24/1993EP0571191A2 Apparatus and method of reproducing and/or recording a recording medium
11/24/1993EP0570922A2 Reproducing apparatus
11/24/1993EP0570834A1 Circuit for varying a loop gain of a spindle servo
11/24/1993EP0570409A1 Method of reading data off a rotating recording medium.
11/24/1993EP0327638B1 Hydrodynamic bearing and a method for introducing lubricant into the bearing
11/24/1993CN1022869C Transducer head skew arrangement for sidk drive system
11/23/1993US5265230 Method and apparatus for determining sector status in a data storage device by writing a status of read-only, writable, or obliterated in an error recovery area of each sector
11/23/1993US5265082 Rewritable media protectable as written-once-only media and system and method for use therewith
11/23/1993US5265081 For vehicles
11/23/1993US5265076 Image retrieval apparatus using combination retrieval items
11/23/1993US5264978 Support mechanism for an eccentric drive pin in rotating disk data storage apparatus
11/23/1993US5264976 Resilient support for a disk drive pin in a rotating disk data storage apparatus
11/23/1993US5264973 Door opening system for an electronic household apparatus
11/23/1993US5264687 Optical card processing apparatus