Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
12/1992
12/23/1992WO1992022893A1 Magnetic recording medium
12/23/1992WO1992022892A1 Helical tape scanner
12/23/1992EP0519729A2 Magnetic head driving circuit
12/23/1992EP0519674A2 Laminated magneto-resistive head
12/23/1992EP0519633A1 Data storage media
12/23/1992EP0519629A1 Recording media
12/23/1992EP0519558A1 Thin film read/write head without wrap-around pole effect
12/23/1992EP0519406A2 Novel perfluoropolyether derivatives, and lubricants and magnetic recording medium using the same
12/23/1992EP0519182A2 Combined thin film magnetic head
12/23/1992CN1067327A Magnetic core device and method for producing same
12/23/1992CN1019582B Magnetic coating formulations and usage thereof
12/22/1992US5173827 Method and apparatus for cleaning portions of a video cassette recorder
12/22/1992US5173826 Thin film head with coils of varying thickness
12/22/1992US5173825 Magnetic head using magnetic oxide part and magnetic metal film
12/22/1992US5173824 Magnetic head assembly
12/22/1992US5173823 Magnetic head for magnetic recording apparatus using a soft magnetic alloy film consisting primarily of iron
12/22/1992US5173822 Multi-layer thin film mig magnetic head
12/22/1992US5173821 Adaptive-gap magnetic recording and reading head
12/22/1992US5173820 Magnetic recording and/or reproducing apparatus having an adjustable head
12/22/1992US5173647 Servo positioning circuit
12/22/1992US5173370 Magnetic recording medium having a magnetic thin film with both paramagnetic phase and ferromagnetic phase iron nitride with paramagnetic phase zeta Fe2 N as its largest component
12/22/1992US5173119 Coating apparatus base film coating apparatus with die nozzle
12/22/1992CA1311839C Flexure guide for straight-line motion
12/22/1992CA1311838C Magnetic head air bearing slider
12/17/1992DE4219163A1 Improved magnetic recording medium - comprising non-magnetic carrier and magnetic layer on surface of carrier, contg. an anti-mould cpd.
12/16/1992EP0518741A1 Apparatus and method for recording and/or reading information on a magnetic tape
12/16/1992EP0518660A2 Thin-film magnetic head having slider body formed of ferrite
12/16/1992EP0518649A2 Bi-directional tape recording/reproducing device
12/16/1992EP0518632A2 Magnetic disk drive
12/16/1992EP0518626A2 Magnetic disk drive and method for assembling the same
12/16/1992EP0518566A1 Air bearing slider with relieved trailing edge
12/16/1992EP0518123A1 Magnetic head arrangement for inclined track recording with asymmetric azimuth
12/16/1992EP0517980A1 Integrated magnetic read/write head/flexure/conductor structure
12/16/1992EP0517966A1 Thin-film magnetic head
12/16/1992EP0517740A1 Low molecular weight carbohydrates as additives to stabilize metal oxide compositions.
12/16/1992CN2125183U Rapid cleaning tape for magnetic head
12/15/1992US5172288 Magnetic recording medium and a tape guide in a cartridge
12/15/1992US5172287 Magnetic disc apparatus having uniform torque imparting means for imparting uniform torque irrespective of rotational position of a head arm
12/15/1992US5172286 Load beam interlocking boss
12/15/1992US5172282 Memory device
12/15/1992US5172280 Apparatus and method for automatic write current calibration in a streaming tape drive
12/15/1992US5171784 Blends of vinyl chloride copolymers, phenoyx resins, hydroxy acrylate or methacrylate lactone adducts and acrylate-diisocyanate adducts; magnetic recording media
12/15/1992CA1311556C High speed thermomagnetic tape duplication
12/10/1992WO1992022056A1 Low profile head disk assembly
12/10/1992DE4218508A1 High density magnetic recording medium esp. for video - has carrier for magnetic layer of defined Vickers hardness and plastic deformation grade
12/10/1992CA2110172A1 Low profile head disk assembly
12/09/1992EP0517596A1 Polishing machine with an improved workpiece holder
12/09/1992EP0517531A2 Multi-track servo recording head, resultant media containing pre-recorded servo track, and servo controlled head positioning system
12/09/1992EP0517528A2 Magnetic recording and reproducing apparatus
12/09/1992EP0517478A2 Servo data recovery circuit for disk drive having digital embedded sector servo
12/09/1992EP0517473A2 Miniature disk drive having embedded sector servo with split data fields and automatic on-the-fly data block sequencing
12/09/1992EP0517411A1 Magnetic recording medium
12/09/1992EP0517198A2 Thin film magnetic head structure and method of fabricating the same
12/09/1992EP0517137A2 Magnetic recording head capable of defining narrow track width and magnetic recording apparatus using the same
12/09/1992EP0517005A2 Thin film head with coils of varying thickness
12/09/1992EP0516854A1 Device for controlling positioning of head of disc drive and method of controlling the same
12/09/1992CN1019421B Implicit mid roll interrupt protection code for eamera using dedicated magnetic tracks on film
12/08/1992US5170383 Magneto-optical data recording system
12/08/1992US5170382 Magneto-optical recording apparatus for creating magnetic domains with reduced tails
12/08/1992US5170304 Device for cleaning rotary magnetic head of magnetic recording and reproducing device and method of controlling same
12/08/1992US5170303 Inductive thin film head having improved readback characteristics
12/08/1992US5170302 Thin-film magnetic head with multiple interconnected coil layers
12/08/1992US5170301 Magnetic head having core parts joined by low-melting point crystallized glass with composite gap
12/08/1992US5170299 Edge servo for disk drive head positioner
12/08/1992US5170296 Apparatus for reproducing magnetically recorded signals with amplitude correction
12/08/1992US5169721 Magnetic recording media comprising a polyurethane binder resin containing perfluoro groups
12/08/1992US5169703 Transferring surface irregularities on back to front surface; improves transducing and tape running properties
12/08/1992CA1311272C Electrical guide for tight tolerance machining
12/03/1992DE4217602A1 Magnetic tape transfer apps. e.g. for video tapes
12/03/1992DE4117974A1 Video recorder with edit function for transfer of signals to second video recorder - has comb filter for redn. of cross=talk in colour carrier and switches off filter during transfer
12/02/1992EP0516288A2 Magnetic head and method for making such a head
12/02/1992EP0516086A2 Magnetiic recording medium
12/02/1992EP0516022A2 Integrated thin film magnetic head
12/02/1992EP0515902A1 Flexible magnetic recording supports with back-layer
12/02/1992EP0515786A1 Thin film tape head assembly
12/02/1992EP0515749A2 Process for producing acicular goethite particles and acicular magnetic iron oxide particles
12/02/1992EP0515499A1 Disk drive memory
12/02/1992EP0515438A1 Process for converting an analog voltage to a digital value.
12/02/1992EP0455749A4 Read channel detector for use in digital magnetic recording systems
12/02/1992EP0185774B1 Composite magnetic head device
12/02/1992CN1066743A Magnetic card tester
12/02/1992CN1066742A Servo-coding circuit for clocked recording and reduplication writing
12/02/1992CN1066741A Underlayer doping in thin film magnetic recording media
12/01/1992US5168410 Thin film core of Co-Fe-B alloy
12/01/1992US5168409 Integrated magnetic head having a magnetic layer functioning as both a magnetic shield and a magnetic pole
12/01/1992US5168408 Magnetic reading and writing head with magnetoresistant element
12/01/1992US5168407 Flying magnetic head
12/01/1992US5168398 Head positioning control apparatus for a data storage device
12/01/1992US5168397 Magnetic reproducing head amplifier
12/01/1992US5168396 Rotary head type magnetic tape recording and reproducing apparatus
12/01/1992US5168395 Controlled magnetic recording head relaxation in a magnetic recording system
12/01/1992US5168185 Swing-type actuator
12/01/1992US5167713 Coating apparatus
12/01/1992US5167096 Method for texturing a magnetic disc substrate
12/01/1992US5167062 Method of manufacturing magnetic write/read head and fabrication method
12/01/1992CA1311049C Surface lubricants for recording surface
12/01/1992CA1311046C Pcm audio signal recording and/or reproducing apparatus
12/01/1992CA1311045C Apparatus for recording and/or reproducing with a plurality of rotaryheads
11/1992
11/30/1992CA2043476A1 Identification of information technology products
11/26/1992WO1992021126A1 Magnetic head-to-recording medium support apparatus