Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
10/1995
10/31/1995US5462823 Magnetic recording materials provided with a photosensitive layer
10/25/1995EP0678863A2 Bundled fiber array data storage apparatus and methods
10/25/1995EP0678860A1 Method of and apparatus for recording and reproducing optical information
10/25/1995CN1110824A Method and apparatus for phase modulated servo positioning in a direct access storage device
10/24/1995US5461524 Head suspension connection assembly
10/24/1995US5461521 Magnetic disk unit control method for removing dust from a disk
10/18/1995EP0677844A1 Read system for a multitrack recording medium
10/17/1995US5459708 Optical tape focal plane stabilizer
10/17/1995US5459705 Optical recording medium driving apparatus capable of accurately detecting position of optical head
10/17/1995US5459624 Activator control method and apparatus for positioning a transducer using a phase plane trajectory trough function for a direct access storage device with estimated velocity and position states
10/17/1995US5459619 Method of reading recording data and a read system
10/17/1995US5459383 Method of stabilizing a control servo system
10/17/1995US5459359 Swing-type actuator
10/12/1995WO1995027282A1 Control system utilizing an adaptive predictor
10/12/1995WO1995027089A1 Beryllium-containing alloys of aluminum and semi-solid processing of such alloys
10/12/1995WO1995027088A1 Aluminum alloys containing beryllium and investment casting of such alloys
10/12/1995CA2186490A1 Control system utilizing an adaptive predictor
10/12/1995CA2161252A1 Beryllium-containing alloys of aluminum and semi-solid processing of such alloys
10/11/1995EP0676753A2 Data recording and reproducing apparatus
10/11/1995EP0676748A1 Flying head with integrated flexible suspension means
10/11/1995CN1109996A Method and apparatus for tracing controlling in video tape recorder
10/10/1995US5457587 Method and system for correcting offset of head position signal
10/10/1995US5457586 Method and arrangement for positioning a magnetic head relative to the storage medium of a magnetic layer storage
10/10/1995US5457534 Method and apparatus to calibrate intensity and determine fringe order for interferometric measurement of small spacings
10/10/1995CA2050161C System and method for data recovery in multiple head assembly storage devices
10/05/1995WO1995026551A1 Updatable optical storage medium
10/04/1995EP0675491A2 Control unit of disk apparatus
10/04/1995EP0675490A1 Method for reducing rotational latency in a disc drive
10/04/1995EP0674797A1 Removable cartridge disk drive with a 1.8 inch form factor
10/04/1995EP0604434B1 Disk storage apparatus with a slider
10/03/1995US5455809 Disk apparatus having magnetic head for magneto-optical recording device
10/03/1995US5455723 Disk drive
10/03/1995US5455720 Offset and gain error discriminator
10/03/1995US5455496 Head-retract circuit for moving media storage apparatus
10/03/1995CA2030183C Self-synchronizing servo control system and servo data code for high density disk drives
10/03/1995CA2028942C Track jump control circuit
09/1995
09/28/1995WO1995026026A1 Reading/writing information on a storage medium
09/26/1995US5453891 Head-arm mechanism used in disk apparatus having head-arm holding function
09/26/1995US5453887 Head tracking servo pattern
09/26/1995CA2039351C Controlling position of a rotatable transducer in devices employing such transducers
09/21/1995WO1995025327A1 Sensorless closed-loop actuator unlatch
09/20/1995EP0673033A2 Magnetic disk drive
09/20/1995EP0673020A1 Disk drive with shock resistant rotary actuator
09/20/1995EP0673019A1 Disk drive suspension system
09/20/1995EP0672287A1 Voice coil motor control circuit and method
09/20/1995EP0672174A1 Htlv-1 probes for use in solution phase sandwich hybridization assays
09/19/1995US5452275 Two-stage actuator control device
09/19/1995US5452162 Active electromagentic latch having no moving parts for disk file actuator
09/19/1995US5452161 Flexible vane latch apparatus for a disk drive
09/19/1995US5452159 Magnetic parking device for disk drive
09/19/1995CA2032284C Information recording apparatus with a non-newtonian liquid bearing
09/13/1995EP0671727A1 Magnetic disk drive unit
09/13/1995EP0671726A2 Magnetic disk unit
09/13/1995EP0671046A1 Flux generator for a rotary actuator motor with an integrated actuator latch for a disk drive
09/13/1995CN1108418A 换能器悬挂系统 Transducer suspension system
09/13/1995CN1108415A Air bearing magnetic head sliders
09/12/1995US5450388 Method for correcting tracking errors in a disc record reproduction apparatus
09/12/1995US5450377 Magnetooptical recording and reproducing apparatus having an automatic hand lifting device
09/12/1995US5450252 Hard disk drive including moving means for moving a recording/reproducing head and having a noise canceler utilizing series-connected filters in parallel with the moving means
09/06/1995EP0670572A2 Disc drive apparatus with tracking servomechanism
09/06/1995EP0447460B1 Dual reference track scheme
09/05/1995US5448542 Optical information recording and reproducing apparatus including a computing unit for calculating tracking and focusing error correction values
09/05/1995US5448537 Magnet-optical disc drive device with sure disc placement
09/05/1995US5448438 Head actuator having spring loaded split nut
09/05/1995US5448437 Voice coil motor for disk drive
09/05/1995US5448436 Disk drive with shock-resistant rotary actuator
09/05/1995US5448435 Disc drive magnetic latch having permanent magnet and electromagnet
09/05/1995US5448433 Disk drive information storage device with baseplate and cover having overlapping edge portions to provide protection from electromagnetic interference
09/05/1995US5448421 Method for positioning an information processing head by detecting a magnetization pattern on a magnetic material positioned relative to a recording medium and a process for forming a recording and/or reproducing cantilever type probe
09/05/1995US5448321 Magnetic recording apparatus for a camera
08/1995
08/30/1995EP0604435A4 1.8" winchester drive card.
08/29/1995US5446708 Pickup driving system for optical disk apparatus
08/29/1995US5446612 Self loading suspension for hard disk drives
08/29/1995US5446611 Head suspension assembly which includes a load beam element having relief channels
08/29/1995US5446608 Magnetic head positioner for a magnetic disk apparatus
08/29/1995US5446240 Magnetic disk system having flexible print cable for magnetic head and method of assembling the same
08/23/1995EP0668653A1 Magnetic circuit structure in disk unit
08/23/1995EP0668589A1 Direct access storage device having compound actuator bearing system
08/23/1995CN1107246A Structure and enclosure assembly for a disk drive
08/22/1995US5444690 Leaf spring lock for a carriage in a media player that is actuated by the carriage and position of a cartridge
08/22/1995US5444679 Optical disk driver for reading data from a disk based on ID information
08/22/1995US5444589 Rotary actuator disk drive with identical dual-element read/write transducers
08/22/1995US5444582 Disk drive servo control with pulse width and amplitude control for a position servo signal
08/22/1995US5444371 Magnetic disk offset amount measuring apparatus
08/22/1995US5442850 Magnetic head slider process
08/16/1995EP0667615A1 Load/unload apparatus and driving control circuit
08/15/1995US5442607 Jump pulse corrector and optical disk unit
08/15/1995US5442598 Information reproduction apparatus with control means for plural track kickback operation
08/15/1995US5442499 Method of detecting sector servo information in a disk system
08/15/1995US5442498 Asynchronous track code encodement and detection for disk drive servo control system
08/15/1995US5442497 Head shifting device in a recording and/or reproducing apparatus
08/15/1995US5442266 Miniature disk drive with spin motor control system
08/15/1995US5442172 Wavefront reconstruction optics for use in a disk drive position measurement system
08/15/1995CA1336725C Circuit for removing unwanted slope transitions from an incoming signal
08/09/1995EP0666565A2 Card drive apparatus and card
08/08/1995US5440474 Magnetic recording disk with equally-spaced servo sectors extending across multiple data bands
08/08/1995US5440437 Magnetic head arm having thermal compensation member for correcting tracking error
08/08/1995US5440436 Removable cartridge disk drive with a 1.8 inch form factor
08/02/1995EP0665548A1 Hard disk drives
08/02/1995EP0665539A1 Negative pressure air bearing slider