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)
08/1994
08/23/1994US5341479 Address mark triggered read/write head buffer
08/23/1994US5341359 Abnormality detection of a recording medium in a magneto-optical recording system
08/23/1994US5341356 Method and device for recording information volumes in a track of a record carrier, and a device for reading the record carrier
08/23/1994US5341352 Disk player for playing back more than one kind of disk
08/23/1994US5341260 Reduced torque unloading ramp system for a hard disk drive
08/23/1994US5341053 Linear motor with permanent magnets
08/23/1994US5339523 Method of machining sleeve bearing
08/18/1994WO1994018675A1 Optical disc audio reproduction device having track playback monitoring system
08/17/1994EP0611208A2 Information storage disc and information recording and reproducing apparatus
08/17/1994EP0610624A2 A preamplifier circuit for a magneto-resistive head
08/16/1994US5339319 Rotary type storage apparatus and control method thereof
08/16/1994US5339207 Servo system for providing increased recording density and improved operation of the AGC circuitry
08/16/1994US5339199 Still video device with selectable successive erasure of audio and/or video tracks
08/11/1994DE4303172A1 CD programming system (CPS)
08/10/1994EP0610055A2 Compound objective lens having two focal points and apparatus using the lens
08/10/1994EP0609617A2 Recording and reproducing apparatus
08/09/1994US5337374 Disk drive apparatus
08/09/1994US5337294 Control system for controlling plurality of operations of common category by plurality of control units
08/09/1994US5337292 Recording/reproducing apparatus with remote controller
08/09/1994US5337200 Thin film magnetic head assembly and method of operation thereof immune from wiggles
08/09/1994US5336955 Outer - rotor type spindle motor
08/09/1994US5336884 High resolution optical hybrid absolute incremental position encoder
08/04/1994WO1994017524A1 Optical data storage and retrieval system and method
08/04/1994WO1994017521A1 System for allocating tasks between two actuators servicing the same magnetic disk media in a single disk drive
08/03/1994EP0609013A2 Recording and reproducing apparatus
08/03/1994EP0608830A1 Motor control device
08/03/1994EP0364586B1 Disk recording apparatus
08/02/1994USRE34684 Drive motor for magnetic disks, optical disks, and magneto-optical disks
08/02/1994US5335220 Optical recording element and driving system
08/02/1994US5335215 Semiconductor integrated circuit for signal processing of optical disk of write-once type and semiconductor device
08/02/1994US5335126 Magnetic disk device without slider and having magnetic head mounted directly on magnetic head support including integral gas pressure generating structure
08/02/1994US5334896 Spindle motor for magnetic disk devices
08/02/1994US5334895 Spindle motor with the stator core supported by a resin member
07/1994
07/27/1994EP0608126A2 Information recording medium and method of fabricating same
07/27/1994EP0608008A2 Linear motor
07/27/1994CN1090078A Fly height servo control of read/write head suspension
07/26/1994US5333140 Servowriter/certifier
07/26/1994US5333138 Apparatus and method for preventing data corruption in disk drives from mechanical shock during write operations
07/26/1994US5333092 Magnetic recording and reproducing system for recording and reproducing video signals corresponding to an audio signal
07/26/1994US5333079 Low profile hard disk apparatus
07/26/1994CA2011541C Disc player
07/22/1994CA2113842A1 Recording and reproducing apparatus
07/21/1994WO1994016490A1 Air-bearing motor assembly for magnetic recording systems
07/21/1994WO1994016234A1 Axially displaced flexural bearing support
07/20/1994CA2092762A1 Life span detector for a laser diode and a compact disk player having the same
07/19/1994US5331616 Information recording and reproducing apparatus with self-diagnosis information storage mechanism
07/19/1994US5331613 Data reproducing method and apparatus capable of shortening the total time of data reproduction for a plurality of reproduction requests
07/19/1994US5331483 Axially compact direct drive for storage disk hub
07/19/1994US5331423 Disc player with an automatic initialization function
07/19/1994US5331139 Card reader with antiabrasion member
07/19/1994US5329854 Projectile for the dispersal of a load with time delay
07/19/1994CA1330832C Method and circuitry to suppress additive disturbances in data channels containing magneto-resistive sensors
07/14/1994DE4300506A1 Electronic access control of disk-drive of personal computer
07/14/1994DE4300145A1 Storage disk collectorless drive motor
07/13/1994EP0606157A2 Reproducing recording media
07/13/1994EP0606145A2 Recording method of recording medium
07/13/1994CN1089383A Servo controlled lubricant thickness for near contact magnetic recording
07/12/1994US5329516 Disk player with internal conveyor for exchanging stored disks
07/12/1994US5329512 Temperature detection of a magneto-optic recording medium for controlling irradiation of an erasure region
07/12/1994US5329510 Method and apparatus for discriminating between unformatted magnetic disk assemblies of two different storage capacities
07/12/1994US5329503 Magneto-optical disc recording/reproducing apparatus
07/12/1994US5329412 Two and one half inch diameter disk drive having 0.6 inch height
07/12/1994US5328272 Spindle system for a disk drive
07/12/1994US5328271 Hydrodynamic spindle bearing for ultra-slim disk storage unit
07/12/1994US5328270 Hydrodynamic pump
07/07/1994WO1994015416A1 Music playing system with decentralised units
07/06/1994EP0605344A2 Servo controlled lubricant thickness for near contact magnetic recording
07/06/1994EP0605343A1 Fly height servo control of read/write head suspension
07/06/1994EP0605238A1 Recorded information reproducing apparatus
07/06/1994EP0605222A1 Disc data reproducing apparatus and signal processing circuit
07/06/1994EP0604435A1 1.8" winchester drive card
07/06/1994CN1089053A Recording and reproducing apparatus for data storage and/or audio
07/05/1994US5327303 MR preamplifier having feedback loops for minimizing differential low frequency components and regulating common mode low frequency components of the preamplifier output signal
07/05/1994US5327302 Data filter tuning for constant density recording applications
07/05/1994US5327300 Digital information reproducing apparatus including a circuit for detecting frequency deviation of a synchronism clock
07/05/1994US5327297 Read/write amplifier circuit for magnetic disk unit
07/05/1994US5327059 Tape drive capstan motor servo system with static friction compensation
07/05/1994US5326429 Process for making studless thin film magnetic head
07/05/1994CA2011542C Disc player
07/05/1994CA1330591C Recording system as well as record carrier and recording apparatus for use in the system
06/1994
06/30/1994DE4344932A1 Disc appts., e.g. for CD or mini=disc
06/29/1994CA2112157A1 Magnetic disk apparatus
06/28/1994US5325506 Method of changing the track and recording data
06/28/1994US5325243 System for selectively interfacing information carriers by physically accepting cassettes
06/28/1994US5325004 Motor
06/24/1994CA2109370A1 Magnetic disk drive unit
06/24/1994CA2109249A1 Magnetic disk drive unit
06/24/1994CA2108703A1 Magnetic disk drive unit
06/23/1994WO1994014178A1 Disk drive power management system
06/22/1994EP0603171A2 Apparatus and method for recording information on an optical recording medium
06/22/1994EP0602581A2 Recording and reproducing apparatus for data storage and/or audio
06/22/1994EP0602255A1 Recording apparatus in which plural recording media can be loaded
06/22/1994EP0470971B1 Recording and/or playback device for contactlessly scannable rotating recording substrates
06/22/1994CN1088343A Method for the recording and reproducing of data
06/21/1994US5323380 Information recording disc and system
06/21/1994US5323367 Reproduction or recording device having a pause function
06/16/1994DE4342515A1 Minimising data loss when peripheral fault occurs - evaluating fault condition in peripheral, breaking off host computer command at peripheral, and interrupting internal operations of peripheral and reporting to host
06/16/1994DE4241379A1 Operating mode changeover method for transportable equipment - triggering changeover between transport and stationary operating modes according to detected shocks
06/15/1994EP0601894A1 Disc reading method and disc reading apparatus
06/15/1994EP0601814A2 Disc recording and/or reproducing apparatus having a buffer memory