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)
02/1996
02/06/1996US5490021 Support device with a uniformly sealing locking-piece, and data storage unit provided with such a support device
02/06/1996US5489768 Optical information and retrieval system
02/06/1996CA2027153C Optical recording/reproducing device with automatic gain control (agc) dependent control functions
02/01/1996WO1995035563A3 Arrangement comprising a magnetic write head, and write amplifier with capacitive current compensation
01/1996
01/31/1996EP0695099A2 Recording disk and recorded information reproducing apparatus
01/31/1996EP0694923A1 Changer type disc player
01/31/1996EP0694920A2 A cartridge for housing a disc and a disc apparatus for handling the same cartridge
01/31/1996EP0694918A2 Recording and/or reproducing apparatus for disc-shaped recording medium and memory control device therefor
01/31/1996CN1030884C Television program receiver-recorder
01/30/1996US5488593 Disc reproducing method and apparatus with multiple heads
01/30/1996US5488523 Ultra-slim disk storage unit having a hydrodynamic bearing assembly which forms a stable meniscus
01/30/1996US5488518 Programmable pre-amplifier using a serial shift register to output a plurality of control signals
01/30/1996US5488410 System and method for disk software publishers to control disk distribution
01/30/1996US5488274 Method for controlling activation of disk drive motors
01/24/1996CN1115478A Information recording disk and disk drive system
01/23/1996US5487047 Magnetooptical recording apparatus for recording information in a lead-in region of a recording medium
01/23/1996US5486962 Integral hub and disk clamp for a disk drive storage device
01/23/1996US5486744 Servo device for spindle motor
01/18/1996WO1996001464A1 Remote control for remotely controlling interactive media
01/18/1996CA2194222A1 Remote control for remotely controlling interactive media
01/17/1996EP0692782A2 Magneto-resistive removable hard disk cartridge and disk drive and quadrature embedded servo bursts
01/17/1996CN1115094A Compact disk and high-speed search method thereof and recording method appropriate therefor
01/17/1996CN1115086A Recording disk apparatus and rotational supporting structure therefor
01/17/1996CN1115069A Magnetic recording/reproducing apparatus and control method thereof
01/17/1996CN1115015A Crash stop shock ring for the protection of disk drive motor bearings
01/16/1996US5485469 Signal recording and/or reproducing device for unequal quantized data with encoded bit count per frame control of writing and/or reading speed
01/16/1996US5485448 Optical disk mastering apparatus having two data transferring rates for recording and monitoring
01/16/1996US5485447 High-speed data dubbing method
01/16/1996US5485439 Method for recording/reproducing information and apparatus therefor
01/16/1996US5485433 Information recording method and apparatus for determining whether recording has been correctly performed
01/16/1996US5485331 High resistivity bearing balls for spindle motor isolation
01/16/1996US5485330 Device for loading and ejecting recording medium requiring pushing of recording medium for ejecting the medium
01/16/1996CA2073544C Disk drive array system having internal synchronization and external synchronization monitoring
01/10/1996EP0691652A1 Apparatus for replaying recording medium
01/10/1996EP0691651A1 Apparatus for replaying recording medium
01/10/1996EP0691647A2 Input/output communication between autochanger and drive
01/09/1996US5483398 Compliant vibration isolation housing assembly for a data storage system
01/09/1996US5483113 Electric motor for driving a magnetic disk
01/04/1996DE19515520A1 Disk apparatus with brushless DC motor
01/03/1996CN1114516A Recording and/or reproduction apparatus
01/02/1996US5481733 Method for managing the power distributed to a disk drive in a laptop computer
01/02/1996US5481531 Optical disk apparatus for recording/erasing information in the M-CAV format by using gain switching to increase the speed of the master clock
01/02/1996US5481529 Scanning probe microscope for observing a sample surface while applying an AC bias voltage between the sample and a probe
01/02/1996US5481522 Recording/reproducing method and apparatus using probe
01/02/1996US5481521 Information recording and reproducing apparatus utilizing a tunneling current or interatomic forces
01/02/1996US5481144 Wire guide and adhesive retaining ring for disc drive spindle motor
12/1995
12/28/1995WO1995035563A2 Arrangement comprising a magnetic write head, and write amplifier with capacitive current compensation
12/27/1995EP0689354A2 Compressed picture information recording apparatus
12/27/1995EP0689294A1 Digital PLL circuit
12/27/1995EP0689206A1 Data recording medium and data reproduction apparatus
12/27/1995EP0689200A1 Optical recording medium, reproduction apparatus of optical disk, reproduction method of optical disk, production method of original disk of optical disk, and illegal program operation stop method
12/27/1995CN1114120A Manipulator for mixing sound and/or image of digital and/or analog supports
12/26/1995US5479387 Optical head including multiple photo detectors for reading signals and error signals for servoing from both a read-only recording medium and a magneto-optical recording medium
12/26/1995US5479304 Magnetic disk apparatus having a bracket with reinforcement plate
12/26/1995US5479301 Magnetic disk apparatus comprising means for changing a sector period
12/26/1995US5479098 Loop-back circuit for testing a magnetic recording system with simultaneous read and write functions
12/26/1995CA2062432C Card carriage for information recording and reproducing apparatus
12/26/1995CA2017182C Apparatus for preventing an overrun of a spindle motor
12/20/1995EP0697114A4 Data recording system incorporating flaw detection circuitry
12/20/1995EP0570416B1 Method of reducing access time
12/20/1995CN1113591A Data producing device
12/20/1995CN1113590A Information storing device and method for controlling same to record/reproduce information by selecting one of working modes
12/19/1995US5477527 High density optical disc and optical disc player
12/19/1995US5477525 Data destruction preventing method, recording apparatus provided with data destruction preventing capability, and disc recorded with guard band
12/19/1995US5477523 Method and a device for altering of the angular velocity of a driven rotating media carrier
12/19/1995US5477522 Apparatus for controlling spindle motor of compact disc utilizing appliance
12/19/1995US5477518 Detachable storage assembly
12/19/1995US5477517 Method for the recording and reproducing of data
12/19/1995US5477516 Reproducing apparatus for accessing track segments in the forward and reverse directions
12/19/1995US5477510 Optical disc playback and display apparatus
12/19/1995US5477103 Sequence, timing and synchronization technique for servo system controller of a computer disk mass storage device
12/19/1995CA2023516C Pulse width modulation control system for a motor
12/14/1995WO1995034070A1 Power saving method and apparatus for computer disk drives
12/14/1995WO1995034066A1 Factory calibration of servo parameters in a hard disk drive
12/13/1995EP0686972A2 Multiple motor drive for compact disk players
12/13/1995EP0686971A2 Information storing device and method for controlling same to record/reproduce information by selecting one of working modes
12/13/1995EP0686300A1 Reliable time-domain demarcation of split formats in embedded-servo, zoned-data recording disk drives
12/13/1995EP0451297B1 Pretreatment of overwritable opto-magnetic recording medium and pretreated overwritable opto-magnetic recording medium
12/13/1995CN1113340A Recording and/or reproducing apparatus for recording medium
12/12/1995US5475820 Method for using one of two storage directories only after the other directory is full for write management in a disk device
12/12/1995US5475659 For an audio and video recording/reproducing apparatus
12/12/1995US5475656 Optical disk memory and information processing apparatus
12/12/1995US5475540 Magnetic data storage disk drive with data block sequencing by using ID fields after embedded servo sectors
12/07/1995WO1995033261A1 Data recorder
12/06/1995EP0685845A2 Recording medium and reproducing apparatus thereof
12/06/1995EP0685843A1 Low profile motor powered disk assembly for a recording/reproducing device
12/05/1995US5473589 Information recording/reproducing apparatus capable of performing ready operation in response to external loading request
12/05/1995US5473588 Signal reproducing apparatus providing PLL circuit controlled by drum motor speed
12/05/1995US5473584 Recording and reproducing apparatus
12/05/1995US5473484 Apparatus for electrically grounding a rotor hub in a disc drive motor
12/05/1995US5473238 Disc drive power management system
12/05/1995US5472758 Optical recording medium for short-wavelength of laser beam and read/write/erase method using the medium
12/05/1995CA2056197C Circuit for generating a disk change signal
11/1995
11/30/1995WO1995032584A1 Video time-shifting apparatus
11/29/1995EP0684607A2 Variable transfer rate data reproduction apparatus
11/29/1995EP0684606A2 Disc data reproducing apparatus and signal processing circuit
11/29/1995EP0684602A2 Control system for reproduction devices
11/29/1995EP0684058A1 Video data processing system with dual processors
11/29/1995CN1112675A Temperature detecting circuit
11/28/1995US5471449 Apparatus for recording defective-position indicating signal on disk medium