Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
05/1998
05/06/1998EP0840293A1 Magnetic recording medium, method of fabricating magnetic recording medium, and magnetic storage
05/06/1998EP0840292A2 Track-curvature detection using clock phase shift in azimuth recording
05/06/1998EP0840291A2 Rotating disk type information storage apparatus
05/06/1998EP0839373A1 Signal recording apparatus for video device using magnetic recording medium
05/06/1998EP0839371A1 Multi-phase overcoats for magnetic discs
05/06/1998CN1181152A Multi-layer magnetic recording media and magnetoresistive driven systems
05/06/1998CN1180897A Bearing mechanism for magnetic head
05/06/1998CN1180896A Disk drive magnetic actuator latch mechanism
05/06/1998CN1180885A Magnetic recording and/or playback apparatus
05/06/1998CN1180884A Head drum for video tape recorder having magnetic transformer
05/06/1998CN1180883A Magnetic head and manufacturing method therefor
05/05/1998US5748578 Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same
05/05/1998US5748573 Magnetic head driving circuit, including magnetic head coil switching circuits and a control pulse generator for the switching circuits, which is operable with recording data transferred at a higher than normal transfer rate
05/05/1998US5748421 Magnetic recording disk
05/05/1998US5748418 Magnetic tape recording head cleaning apparatus
05/05/1998US5748417 Thin film magnetic head including layered magnetic side poles
05/05/1998US5748416 Magnetoresistive playback head
05/05/1998US5748415 Magnetoresistive head with a magnetoresistive film shaped to provide an improved read sensitivity profile
05/05/1998US5748414 Magnetoresistive element assembly with longitudinal bias
05/05/1998US5748413 Magnetoresistive reas transducer with exchange biasing of magnetoresistive sensor and soft adjacent layer
05/05/1998US5748412 Method and apparatus for protecting magnetoresistive sensor element from electrostatic discharge
05/05/1998US5748411 Head drum assembly of a video cassette recorder with audio and control heads mounted on upper and lower stationary drums of head drum
05/05/1998US5748410 Slotted flex circuit for a disk drive actuator
05/05/1998US5748409 Welding stress isolation structure for head suspension assemblies
05/05/1998US5748408 Flight slider for magnetic recording
05/05/1998US5748407 Slider with oblique leading and trailing edges
05/05/1998US5748403 Magnetic recording and reproducing apparatus having a cassette holder with guide pins
05/05/1998US5748401 Sector servo system data recording/reproducing apparatus without ID portion
05/05/1998US5748400 Method of compensating for the misregistration of the radial track positions of a floppy diskette in a disk drive
05/05/1998US5748399 Resettable symmetric spin valve
05/05/1998US5748398 Method for writing servo signals onto a magnetic disk and magnetic disk drive equipped with magnetic disk(s) having servo pattern recorded by the method
05/05/1998US5748397 Audio signal processing apparatus and recording and/or reproducing apparatus for a tape-shaped recording medium
05/05/1998US5748396 Arrangement and method for optimizing the recorded signal to noise ratio in contact recording systems
05/05/1998US5748023 Integrator with output-compensating capability
05/05/1998US5747997 Spin-valve magnetoresistance sensor having minimal hysteresis problems
05/05/1998US5747859 Magnetic device and magnetic sensor using the same
05/05/1998US5747630 Polyurethane binder for a magnetic recording medium
05/05/1998US5747180 Electrochemical synthesis of quasi-periodic quantum dot and nanostructure arrays
05/05/1998US5747158 Chemically adsorbed multilayer film
05/05/1998US5747157 Polyurethane binders comprising a diol, a polyether and a polar group-containing long chain polyol; dispersibility of magnetic particles; high strength; durability; storage stability; tapes; disks
05/05/1998US5747156 Binder and nonmagnetic metal powder with low melting point and shape anisotropy
05/05/1998US5747135 Thin film pretreatment for memory disks and associated methods
05/05/1998US5746951 Molding into an appropriate shape a polycarbodiimide resin, carbonizing the shaped material, polishing both sides to form a substrate
05/05/1998US5746893 Sputtering a substrate with magnetic films and nonmagnetic layers
05/05/1998US5745983 Tool for processing magnetic read/write heads
05/05/1998US5745980 Method of fabricating magnetic recording thin film head having pinched-gap
05/05/1998US5745979 Magnetic head for recording with ultra low force
05/05/1998US5745978 Method of making magnetoresistive sensor with improved microtrack profile for improved servo-positioning precision
05/05/1998CA2074865C Tribo-attractive contact data storage system
05/05/1998CA2060561C Magnetoresistive sensor based on oscillations in the magnetoresistance
04/1998
04/30/1998WO1998018128A1 Method and apparatus for multiplicative noise precompensation for magnetic recordings
04/30/1998WO1998018120A1 Method and apparatus using frequency domain read head linearization
04/30/1998WO1998018081A1 Method for optimization of channel parameters in a data storage device
04/30/1998WO1998017617A1 Fluorocompound, lubricant, surface modifier, lubricating film, magnetic recording medium, and magnetic recording device
04/30/1998WO1998017434A1 Flat glass disks
04/30/1998WO1998003967A3 Data retrieval channel characteristics control
04/30/1998DE19745842A1 Recording head with counter pressure device for magnetic recording medium
04/30/1998DE19721719A1 Offset servowriting method for computer hard disc drive
04/29/1998EP0838811A2 Analog to digital converter and assembly to normalize servo error signals and multiplex reference voltage inputs and digital outputs and optical drive system including same
04/29/1998EP0838806A2 Magnetic head supporting mechanism
04/29/1998EP0838302A1 Positioning mechanism
04/29/1998EP0838074A1 Air actuated latching mechanism rotationally resistant to rotational shock force
04/29/1998CN1180218A Magnetic recording medium and cleaning tape
04/29/1998CN1180217A Changeover circuit in tape recorder
04/29/1998CN1180216A Tracking control method and its device for image recording reappearing device
04/28/1998US5745638 Recording/reproducing apparatus of the helical scan type
04/28/1998US5745455 Disc device having eccentricity measurement and clock correction
04/28/1998US5745453 Disk, recording device, reproducing device, recording method and reproducing method including calculation, storage and utilization of parity information
04/28/1998US5745329 Magnetic recording/reading head
04/28/1998US5745326 Magnetic disk drive
04/28/1998US5745325 Magnetic disk drive having an improved outer stopper mechanism
04/28/1998US5745320 Apparatus for cleaning heads of a rotary drum in a recording and/or reproducing apparatus
04/28/1998US5745319 Recording/reproducing apparatus with coarse and fine head positioning actuators and an elastic head gimbal
04/28/1998US5745318 Digital video tape reproducing apparatus for reproducing video signals from tracks in a magnetic tape having reproducing heads having widths the same as or different from that of the recording heads
04/28/1998US5745317 Apparatus for reproducing information from a tape-shaped recording medium using calculated address information
04/28/1998US5745315 Phase error detector and magnetic storage device using the same
04/28/1998US5745313 Method and apparatus for expanding data storage capacity on a floppy diskette
04/28/1998US5745312 Digital signal recording apparatus
04/28/1998US5745066 AD converter and magnetic recording/regenerating apparatus using thereof
04/28/1998US5744993 Read channel for at least partially offsetting nonlinear signal effects associated with the use of magneto-resistive heads
04/28/1998US5744256 Magnetic recording medium and method of producing same
04/28/1998US5744253 Improved coercive characteristics, signal to noise ratio
04/28/1998US5744241 Release coating of expanded polytetrafluoroethylene having a non-porous exposed surface rendered non-porous by addition of fluorocarbon solution, and a porous adhered surface, adhesive layer and substratum
04/28/1998US5744234 Magnetic recording medium
04/28/1998US5744223 Marking of vehicles to hinder theft and/or unauthorized sale
04/28/1998US5744216 Magnetic recording medium having an underlayer with cobalt containing particles of alpha Fe2 O3 or alpha FeOOH
04/28/1998US5744208 Glass-ceramics containing lithium disilicate and tridymite
04/28/1998US5742998 Method of making integrated suspension magnetic head structures for longitudinal recording
04/28/1998US5742996 Method of manufacturing a transducer suspension system
04/28/1998US5742995 Method to predict an accurate MR sensor dimension when viewed from abs
04/23/1998WO1998016954A1 Electrostatic discharge protection device
04/23/1998WO1998016932A1 Discoidal recording medium, head slider and recording and/or playback apparatus
04/23/1998WO1998016931A1 Method of manufacturing a magnetic head slider
04/23/1998WO1998016923A1 Magnetic recording medium comprising a nickel aluminum or iron aluminum underlayer
04/23/1998WO1998016922A1 Disc drive servo system employing thermal signals
04/23/1998WO1998016921A1 Magnetoresistive head having shorted shield configuration for inductive pickup minimization
04/23/1998WO1998016920A1 Technique for reducing overhead in a data storage system
04/23/1998WO1998016919A1 Method of insuring data integrity with a data randomizer
04/23/1998WO1998016918A1 Method for recovering data from disk with magneto-resistive head in presence of thermal asperities
04/22/1998CN2279683Y Adjustable magnetic drum stripping attachment