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)
04/1992
04/21/1992US5107479 Optical recording/reproducing apparatus
04/21/1992US5107473 Optical recording/reproducing device using permissible ranges for the value of an automatic gain control voltage
04/21/1992US5107099 Magnetic card reader and method
04/16/1992WO1992006473A1 Disk recording and reproducing apparatus
04/15/1992EP0480578A1 Magnetic disk device
04/14/1992US5105416 Optical disc recording/reproducing control
04/14/1992US5105412 Recording medium playing apparatus for correcting audio signals using an appropriate sound field
04/14/1992US5105402 Disc player with manual search function
04/14/1992US5105314 Multiple audio signal processing system
04/14/1992US5105072 Optical information recording/reproducing apparatus having stopping position deviation and correction circuitry relative to movement in the track direction
04/08/1992EP0479701A2 Transducer head skew arrangement for disk drive system
04/08/1992EP0479521A2 Operational mode control for data storage apparatus using storage disk
04/08/1992EP0479233A2 Disc reproducing apparatus
04/08/1992EP0479188A1 Disc reproducing apparatus
04/08/1992EP0305498B1 Crash-prevention for disk drive positioning system
04/08/1992CN1060174A Optical disc recording apparatus
04/07/1992US5103435 Bias magnetic field moving apparatus for a photomagnetic recording apparatus
04/07/1992US5103360 Magnetic recording and/or reproducing apparatus in which a head and a recording medium are detached from each other pursuant to the position of the head confronting the medium
04/07/1992US5103358 Disk drive unit having a turntable with a projection to assure proper disk mounting
04/02/1992DE3744951C2 Magnetic video disc recording and playback system
04/02/1992CA2046706A1 Controlling an optical disk drive using a mode set command
04/01/1992EP0478373A2 Information recording and reproducing apparatus
04/01/1992EP0478337A2 Process of storing data on, or retrieving data from a plurality of disks
04/01/1992EP0478329A1 Calibrating the light beam of an optical data storage system on insertion of a storage member
04/01/1992EP0478202A1 Calibrating a data storage system relative to a removable data storage disk mounted in the system
04/01/1992EP0164746B1 Optical information recording and reproducing apparatus and optical disc
03/1992
03/31/1992US5101392 Information recording apparatus
03/28/1992CA2046697A1 Calibrating optical disk recorders to some parameters during disk spin up while defering calibration of other parameters
03/25/1992EP0470074A4 Stabilized disk drive spin motor
03/24/1992US5099464 Magneto optical disk recording apparatus including a plurality of connected recording unit buffer memories
03/24/1992US5099368 Method of accessing a medium with low power consumption and a recording/reproducing apparatus for realizing the same
03/24/1992US5099339 Video signal reproducing apparatus and track transfer method
03/24/1992US5099111 Optical card processing apparatus
03/19/1992WO1992004550A1 Bearing, especially for disc store spindles
03/18/1992EP0475595A2 Recording and/or reproducing apparatus for optical discs
03/18/1992EP0474677A1 Television program selection
03/18/1992CN1059607A Personal computer with drive identification
03/17/1992US5097461 Synchronizing circuitry for the playback and recording units of a dubbing apparatus
03/17/1992US5097459 Disc playing apparatus to which digital data is transmitted at a predetermined transmission rate
03/17/1992US5097366 Small-size magnetic disk drive mechanism with hermetically sealed chamber
03/12/1992DE4028273A1 Bearing for disc storage spindles - has track of outer rings provided with radius whose centre sits on fulcrum of inner track
03/11/1992EP0474377A1 Optical disc recording apparatus
03/11/1992CN1059412A Personal computer with removable media identification
03/10/1992US5095475 Information recording disk playing apparatus
03/10/1992US5095391 Recording apparatus with recording section power supply control
03/10/1992US5095254 Disc record/reproduce apparatus with brushless motor having rotational speed controlled by a disc
03/10/1992CA1297042C Apparatus for reproducing selectively loaded discs of different diameters
03/04/1992EP0473301A2 Method and apparatus for determining sector status in a disk data storage device
03/04/1992EP0472603A1 Improved magnetic disk drive apparatus and method
03/04/1992CN1059222A Recording and/or reproducing apparatus for optical disk
03/03/1992US5093820 Optical disk recording/reproducing device
03/03/1992US5093819 System having optical disk and disk drive unit
03/03/1992US5093595 Spindle motor having reduced torque ripple
02/1992
02/26/1992EP0472397A1 Apparatus and method of reproducing synchronization signal in disc storage system
02/25/1992US5091901 Disc cartridge with dual identification elements
02/25/1992US5091880 Memory device
02/25/1992US5091809 Disc drive with small air gap between back iron and spindle hub
02/25/1992US5091806 Rotating magnetic recording medium recording/playback apparatus
02/25/1992US5091680 Motor brake circuit for magnetic disk drive system
02/25/1992CA1296424C High density storage of information on a compact disc
02/19/1992EP0471527A2 Magnetic recording medium and information recording-reproduction method using the same
02/18/1992US5090006 Disk record/playback machine with disk rest movable to an intermediate position between the disk discharge and record/playback positions during stand-by mode
02/18/1992US5089922 Disc drive motor spindle hub for holding a disc and spacer stack firmly in place
02/18/1992US5089900 Spindle control device in optical disk recording/reproducing apparatus
02/18/1992US5089732 Spindle motor
02/12/1992EP0470807A1 Optical disc apparatus
02/12/1992EP0470349A2 A disk drive in which magnetic head-to-disk capacitive coupling is eliminated
02/12/1992EP0470163A1 Improved security for machine-writeable data storage systems
02/12/1992EP0470074A1 Stabilized disk drive spin motor.
02/12/1992CN2096171U Automatic recording controller for satellite ground receiving station
02/11/1992US5088085 Magneto-optic disk unit having means for preventing erroneous insertion of disk cartridge
02/11/1992US5088083 Device for cleaning the laser lens of a compact disc player
02/11/1992US5087994 Recording and/or reproduction apparatus capable of retaining start up information
02/05/1992EP0469579A2 Optical disc recording apparatus
02/05/1992EP0469565A2 Apparatus for reading and/or inputting information
02/05/1992EP0468989A1 Control circuit.
02/04/1992US5086421 Disk playing apparatus having a compensation characteristic variable with velocity information
02/04/1992US5086345 Method of operation in a still video camera system for transferring track information from a playback device to the still video camera
01/1992
01/29/1992EP0468472A1 Recording/reproducing circuit for disk apparatus
01/28/1992US5084859 Multi-magazine disc player
01/28/1992US5084855 Device for preventing the erroneous insertion of a disc in a cd player for vehicles
01/28/1992US5084789 "Parallel transfer type disk system"
01/23/1992DE4022250A1 Drive for disc memory spindle - has double bearing support for rotor assembly
01/22/1992EP0467706A2 Intelligent disk array controller background surface analysis
01/22/1992EP0467615A2 Magnetic storage system and method of operation
01/22/1992EP0467520A2 Personal computer with drive identification
01/22/1992EP0466692A1 Disk file including means for ensuring disk/hub concentricity.
01/21/1992US5083229 Disk drive with minimized head-arm excursions
01/21/1992CA2047406A1 Intelligent disk array controller background surface analysis
01/20/1992CA2044528A1 Personal computer with drive identification
01/15/1992EP0466073A2 Recording and/or reproducing apparatus and disk cartridge loaded therein
01/15/1992CN1057921A Disc recording/ reproducing apparatus
01/14/1992US5081618 Double-sided reproducing disk player
01/08/1992EP0465054A1 Communications processor
01/08/1992EP0465053A2 Disc recording/reproducing apparatus
01/08/1992EP0464871A2 Optical information recording/reproducing apparatus
01/08/1992EP0464787A2 Storage device
01/08/1992EP0464646A2 A disk drive apparatus
01/08/1992EP0464520A1 Hard disk driver including a flying head slider
01/08/1992EP0464216A1 Method of recording and reproducing data