Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
08/1997
08/06/1997CN1156305A Magnetic recording reproducing device
08/06/1997CN1156221A Dynamic pressure bearing device and magnetic drum device of cassette tape video recorder with it
08/05/1997US5655050 Apparatus and method for recording and reproducing digital signal in synchronization blocks
08/05/1997US5655048 Image reproducing apparatus capable of eliminating vertical wobbles
08/05/1997US5654943 Magnetic head driving circuit operable with recording data transferred at high transfer rate and magneto-optical recording apparatus employing the magnetic head driving circuit
08/05/1997US5654854 Longitudinally biased magnetoresistive sensor having a concave shaped active region to reduce Barkhausen noise by achieving a substantially single magnetic domain state
08/05/1997US5654853 Disc storage device having a magnetic head air bearing slider configuration for reduced disc overhead
08/05/1997US5654851 Head arm assembly having an integral arm with a portion encased in a rigid molded material
08/05/1997US5654850 Carbon overcoat with electrically conductive adhesive layer for magnetic head sliders
08/05/1997US5654847 Magnetic disk apparatus
08/05/1997US5654844 Magnetic head assembly having two heads with the magnetic layer of one head angled between 80 to 100 relative to the gap of the other head, and method and apparatus using same
08/05/1997US5654843 Magnetic recording and reproducing apparatus
08/05/1997US5654842 Head displacement measuring method and apparatus and data recording/reproducing method and apparatus
08/05/1997US5654841 Detection of mechanical defects in a disc drive using injected test signals
08/05/1997US5654840 Hard disk drive which uses the back EMF of the actuator to detect shocks
08/05/1997US5654836 Method and circuit for detecting auto tracking find error in a video cassette recorder and accordingly controlling capstan phase for correct video head tracking
08/05/1997US5654566 Magnetic spin injected field effect transistor and method of operation
08/05/1997US5654057 Sheet glass flattening method, method of manufacturing glass substrate for an information recording disk using flattened glass, method of manufacturing a magnetic recording disk using glass substrate, and magnetic recording medium
08/05/1997US5653013 Two terminal single stripe orthogonal MR head
07/1997
07/31/1997WO1997027703A1 Multipurpose digital recording method and apparatus and media therefor
07/31/1997WO1997027589A1 Handling defective frames on hard sectored magnetic tape
07/31/1997WO1997027588A1 Magnetic disk apparatus
07/31/1997WO1997027587A1 Early warning for boundary position in serpentine recording
07/31/1997WO1997027585A1 Tiled partitioning for magnetic tape recording
07/31/1997WO1997027582A1 Magnetic recording medium
07/31/1997WO1997027581A1 Dynamic control of magnetic tape drive data transfer rate
07/31/1997WO1997027580A1 Modulation of buried servo on magnetic tape
07/31/1997WO1997027545A1 Dynamic control of magnetic tape drive
07/31/1997DE19602541A1 Magnetische Aufzeichnungsträger Magnetic recording media
07/30/1997EP0786765A2 Biaxially oriented laminate polyester film.
07/30/1997EP0786764A1 Magnetic tape cassette apparatus
07/30/1997EP0786763A1 Magnetic head
07/30/1997EP0786642A1 Method of manufacturing micro-tip for detecting tunneling current or micro-force or magnetic force, female mold substrate for manufacture thereof, method of manufacturing probe with micro-tip, probe unit, scanning probe microscope and information recording/reproduction apparatus having said probe
07/30/1997EP0786451A1 Fluorinated compound and use thereof
07/30/1997EP0786133A1 Synchronous detection of concurrent servo bursts for fine head position in disk drive
07/30/1997EP0755606A4 Digital vcr with trick play image control
07/30/1997EP0641738B1 Compound-deposited needle-shaped fine particles, method of manufacturing the same, and use of the same
07/30/1997EP0535240B1 Biaxially oriented polyethylene 2,6-naphthalate film strip and magnetic tape using the same
07/30/1997CN2258647Y Floppy memory disc with write-prection switch
07/30/1997CN1155729A High-speed video tape copier
07/30/1997CN1155728A Head drum for VCR
07/30/1997CN1155727A Magnetic recording and reproducing apparatus
07/29/1997US5652739 Apparatus for applying a magnetic field to a magneto-optical disk device
07/29/1997US5652687 Planarized thin film magnetic write head with submicron trackwidth
07/29/1997US5652685 Read/write head for contact with a media disk
07/29/1997US5652684 Magnetic head gimbal suspension with double dimple
07/29/1997US5652445 Hybrid hall effect device and method of operation
07/29/1997US5652320 Polymer containing N-sulfoamino group, fiber formed therefrom, and magnetic recording medium containing the same
07/29/1997US5652054 Magnetic recording media having a magnetic thin film made of magnetic metals grains and nonmagnetic matrix
07/29/1997US5652040 Surface of support is corona or glow discharge treated to desired roughness
07/29/1997US5652015 Process for fabricating an arbitrary pattern write head
07/29/1997US5651867 Plasma processing method and apparatus
07/24/1997WO1997026666A1 Ferromagnetic pigments
07/24/1997WO1997026650A1 Bicrystal cluster magnetic recording medium
07/24/1997WO1997026649A1 Track positioning assembly in magnetic tape recorder
07/24/1997WO1997026391A1 Method of manufacturing a bicrystal cluster magnetic recording medium
07/24/1997DE19701509A1 Spin tunnel or spin valve magnetic sensor
07/24/1997DE19701373A1 Servo control of head position in magnetic disc memory
07/24/1997DE19601412A1 Ferromagnetische Pigmente Ferromagnetic pigments
07/23/1997EP0785555A1 Apparatus and method for thermal asperity detection and failure prediction in disk drive systems
07/23/1997EP0785553A1 Method and apparatus for minimizing seek time in a disk drive
07/23/1997EP0785552A1 A method and apparatus for processing a signal obtained from a storage medium using a magnetoresistive element
07/23/1997EP0785542A1 Magnetic disk drive
07/23/1997CN1155346A Differential-speed gravure coating of magnetizable layers in manufacture of magnetic recording media
07/23/1997CN1155148A Double driving magnetic-head actuator
07/23/1997CN1155140A Carbon protective covering layer of diamondloid treated by fluoration for magnetic recording medium device
07/22/1997US5650987 Optical data recording/reproducing apparatus and optical data storage medium for use in the same
07/22/1997US5650983 Printed circuit board magnetic head for magneto-optical recording device
07/22/1997US5650958 Magnetic tunnel junctions with controlled magnetic response
07/22/1997US5650900 Magnetic disc with zoned lubricant thickness
07/22/1997US5650897 Wet etching the thick alumina layer and removing (in sequence) the metallic masking layers; studless; accuracy; stress relieving; reduced chipping; bonding strength; copper-free
07/22/1997US5650896 Low cost plastic overmolded rotary voice coil actuator
07/22/1997US5650894 Gimballed spring arm having a reinforced plate for use with a magnetic head
07/22/1997US5650893 Roll insensitive air bearing slider
07/22/1997US5650892 Negative pressure slider with optimized leading pocket for profile control
07/22/1997US5650889 Magnetic recording medium containing heavy rare gas atoms, and a magnetic transducing system using the medium
07/22/1997US5650887 System for resetting sensor magnetization in a spin valve magnetoresistive sensor
07/22/1997US5650884 Magnetic recording and reproducing apparatus having a high-speed changeover
07/22/1997US5650883 Data recording apparatus having check-after-write function and reproduction apparatus and method for reproducing data recorded by the recording apparatus
07/22/1997US5650882 Disk unit performing control using sector pulses
07/22/1997US5650606 Accurate read/write head for preventing credit card alteration and counterfeiting of debit cards
07/22/1997US5650237 Magnetic recording medium having a metallic magnetic layer and an aluminum alloy underlayer
07/22/1997US5650194 Heating and stirring a suspension of an alkali hydroxide, a cobalt salt and magnetite particles, adding a magnesium salt and continuing to heat and stir
07/22/1997US5650131 Process for making goethite
07/22/1997US5649351 Method of making thin film magnetic write head
07/17/1997WO1997025710A1 Four channel azimuth and two channel non-azimuth read-after-write longitudinal magnetic head
07/17/1997DE19700634A1 Colour coating application method for magnetic tape
07/17/1997DE19700506A1 Magnetic storage medium used in computers
07/16/1997EP0783752A1 Reversible multitrack magnetic tape storage system with multiframe error protection facility
07/16/1997EP0783747A1 Direct contact disk for vertical magnetic data recording
07/16/1997EP0783662A1 Fine positioning apparatus with atomic resolution
07/16/1997EP0783551A1 Precision joining process for at least two workpieces
07/16/1997EP0702823A4 Apparatus and method for distorted track data recovery
07/16/1997EP0672174A4 Htlv-1 probes for use in solution phase sandwich hybridization assays.
07/16/1997EP0636045B1 Sporting device steerable by weight displacement and a steerable wheel assembly for use therein
07/16/1997EP0613578B1 System for thermal calibration of hard disk drive
07/16/1997CN1154757A Recording and reproduction of an information signal comprising packets that may occur irregularly as a function of time in the serial
07/16/1997CN1154754A Data cartridge with magnetic tape markers
07/16/1997CN1154753A Binder system for magnetic medium
07/16/1997CN1154555A Slider suspension assembly and method for attaching slider to suspension in data-recording disk file