Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
08/1995
08/15/1995US5442505 Block assembly for a disk drive with augmenting magnets
08/15/1995US5442504 Head supporting device of magnetic disk system
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
08/15/1995US5442496 Magnetic tape apparatus including a reading head for reading main information and auxiliary information of a reproducing region together with auxiliary information of another region
08/15/1995US5442495 Alignment tape for magnetic recording and playback devices and device for producing the same
08/15/1995US5442493 Data recording system having improved bookkeeping capability
08/15/1995US5442492 Data recovery procedure using DC offset and gain control for timing loop compensation for partial-response data detection
08/15/1995US5442491 Synchronizing data tracks using global force windows and track sync counters in a multitrack tape device
08/15/1995US5442451 Helical scan recording/reproducing device for simultaneously helically recording/reproducing both video and audio signals
08/15/1995US5442172 Wavefront reconstruction optics for use in a disk drive position measurement system
08/15/1995US5441800 A layer of crystalline polyester with a layer of a second polyester laminated on one surface; melting point of second polyester is lower than that of the first
08/15/1995US5441788 Multilayer magnetic recording media
08/11/1995CA2115396A1 Thin film transducer with coil guard segment
08/11/1995CA2115395A1 Thin film transducer and separated transformer
08/11/1995CA2115394A1 Slider for miniature transducer
08/10/1995DE19503590A1 Magnetkopf-Reinigungslösung und mit dieser beschichteter Magnetkopf Magnetic head cleaning solution and coated with this magnetic head
08/09/1995EP0666567A1 Arrangement for determining the write quality during magnetic recording
08/09/1995EP0666565A2 Card drive apparatus and card
08/09/1995EP0666560A2 Magnetic head having improved shielding member
08/09/1995EP0666559A1 Method of optimising a write current for at least one rotatable magnetic head and arrangement for carrying out such a method
08/08/1995US5440438 Disc drive apparatus
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
08/08/1995US5440434 Reproduced waveform equilizing circuit for thin-film magnetic head
08/08/1995US5440233 Atomic layered materials and temperature control for giant magnetoresistive sensor
08/08/1995US5439755 Wherein visible patterns can be written by thermal recording
08/08/1995US5439754 Ferromagnetic film, method of manufacturing the same, and magnetic head
08/08/1995US5439738 Stress; residual extension; heat shrinkage; surface roughness
08/08/1995US5438747 Method of making a thin film merged MR head with aligned pole tips
08/03/1995WO1995020814A1 Ultra thin film magnetic recording medium and related method and apparatus for recording and reproducing using spin-polarized electrons
08/03/1995DE4402731A1 Shock-proof optical disc player
08/02/1995EP0665601A1 Article comprising improved magnetoresistive material
08/02/1995EP0665548A1 Hard disk drives
08/02/1995EP0665541A2 Information recording and reproducing device
08/02/1995EP0665540A1 Magnetic recording medium
08/02/1995EP0665539A1 Negative pressure air bearing slider
08/02/1995EP0665538A1 Negative pressure air bearing slider
08/02/1995EP0665537A1 Negative pressure air bearing slider
08/02/1995EP0665536A1 Negative pressure air bearing slider
08/02/1995EP0665535A2 Method and apparatus for controlling magnetic disk drive
08/02/1995EP0665534A1 Method of manufacturing a magnetic head unit, method of manufacturing a magnetic head, magnetic head unit and magnetic head for use in the magnetic head unit
08/02/1995CN1029437C System for recording/reproducing signals on/from magnetic tape in cassettes
08/02/1995CN1029434C Head mechanism of tape player
08/01/1995US5438470 Magnetoresistive structure with contiguous junction hard bias design with low lead resistance
08/01/1995US5438469 Method and apparatus for coarse and fine positioning a magnetic head with three piezoelectric elements arranged in a tripod arrangement
08/01/1995US5438468 Rotary head drum having reduced exterior dimensions
08/01/1995US5438467 Negative pressure air bearing design
08/01/1995US5438463 Magnetic video and audio recording and/or reproducing apparatus for simultaneously recording input video and audio signals
08/01/1995US5438462 Magnetic storage devices with dynamic boost adjustment to reduce read errors
08/01/1995US5438461 Magnetic reproduction apparatus for a camera
08/01/1995US5438460 Asynchronous gain adjustment for PRML disk drive systems
08/01/1995US5438459 Method of processing and recording data while reproducing the same and apparatus for the method
08/01/1995US5438458 Data reproducing apparatus that detects positional shifts of a control head
08/01/1995US5438273 System for testing the voice coil element of a disk drive rotary actuator
08/01/1995US5437887 Coating with a paramagnetic electroless nickel-phosphorus coating
08/01/1995US5437805 Particles containing iron carbide
08/01/1995US5437779 Method of making a magnetic record medium
08/01/1995EP0671993A4 Biaxially oriented copolyester film for magnetic recording disks and magnetic recording disks made therefrom.
08/01/1995EP0671991A4 Biaxially oriented penbb film for magnetic recording medium and magnetic recording media made therewith.
07/1995
07/31/1995EP0686301A4 Locking assembly for the actuator arm of a hard disk drive
07/31/1995EP0674797A4 Removable cartridge disk drive with a 1.8 inch form factor.
07/31/1995EP0672287A4 Voice coil motor control circuit and method.
07/27/1995WO1995019884A1 Surface treatment of ceramic articles
07/27/1995WO1995019852A1 Surface treatment of magnetic recording heads
07/26/1995EP0664540A2 Substrate independent superpolishing process and slurry
07/26/1995EP0664539A1 Magnesium-beryllium actuator armset
07/26/1995EP0664538A1 Calibration system with a calibration device for the calibration of a recording arrangement
07/26/1995EP0664506A2 System and method for user definition of data storage device physical format
07/26/1995EP0613579A4 Small size constant torque voice coil motor.
07/26/1995EP0472640B1 High molecular weight binders for magnetic recording media
07/26/1995CN1105710A Wear-resistant high permeability magnetic alloy and method of manufacturing the same
07/25/1995US5436881 Method and apparatus for detecting pulse signal for generating clock from recording medium
07/25/1995US5436781 Thin film magnetic head having upper magnetic core layer with layers separated by discontinuous non-magnetic stripes
07/25/1995US5436780 Thin film magnetic head device
07/25/1995US5436779 Integrated yoke magnetoresistive transducer with magnetic shunt
07/25/1995US5436778 Magnetic recording media
07/25/1995US5436777 Magnetoresistive head
07/25/1995US5436776 Disk system having a slider which is continuously heated for preventing organic material buildup
07/25/1995US5436774 Dust-immune reading method and apparatus for magnetic tape transports
07/25/1995US5436773 Enhanced linearity range for magneto resistive transducer servo by changing the direction of the bias current
07/25/1995US5436772 Magnetic recording and reproducing apparatus having magneto-resistance effect element
07/25/1995US5436771 Apparatus for correcting a pick-up signal of a digital magnetic recording and reproducing apparatus
07/25/1995US5436448 Surface observing apparatus and method
07/25/1995US5436120 Photographic element having a transparent magnetic recording layer
07/25/1995US5436070 Magnetic recording medium comprising a polyoxyalkylene oxide binder, a phosphoric ester dispersant and a cicular magnetic powder
07/25/1995US5436055 Magnetic recording medium and magnetic tape cassette mounted with the magnetic recording medium
07/25/1995US5436047 Thin film magnetic recording disk comprising a metallic disk blank, a substantially non-magnetic Ni-Cr-O film having a textured surface and a magnetic film
07/25/1995US5435053 Simplified method of making merged MR head
07/22/1995CA2140714A1 Magnesium-beryllium disk drive armset
07/22/1995CA2138300A1 System and method for user definition of data storage device physical format
07/20/1995WO1995019627A1 Magnetoresistive structure with alloy layer
07/20/1995DE4446383A1 Dispersant resin compsn. esp. for magnetic pigments
07/19/1995EP0663661A1 Magnetically capped dual magnetoresistive reproduce head and method of making same
07/19/1995EP0663286A1 Biaxially oriented laminated polyester film
07/19/1995EP0614564A4 Microminiature hard disk drive.
07/19/1995EP0505363B1 Multiple actuator disk drive
07/19/1995CN2203797Y Cleaning disc for driving device of computer diskette
07/19/1995CN1105319A Biaxially oriented, laminated polyester film
07/18/1995US5434826 Multilayer hard bias films for longitudinal biasing in magnetoresistive transducer