| Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826) |
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| 02/07/1989 | US4803582 Perpendicular magnetization type magnetic head having a magnetic pole part which forms a closed magnetic path |
| 02/07/1989 | US4803581 Thin film yoke-type magnetoresistive head |
| 02/07/1989 | US4803580 Double-gap magnetoresistive head having an elongated central write/shield pole completely shielding the magnetoresistive sensor strip in the read gap |
| 02/07/1989 | US4803578 Assembly for stably mounting magnetic head on carriage |
| 02/07/1989 | US4803577 Vertical magnetic recording system using rigid disk |
| 02/07/1989 | US4803573 Track access apparatus having high-speed random access using a single stepping motor in a magnetic recording/playback system |
| 02/07/1989 | US4803572 Recording/reproducing method and apparatus of magnetic disk unit in which playback commences before the magnetic head is completely centered on the track |
| 02/07/1989 | US4803571 Floppy disc magnetic head apparatus compatible with both horizontal and perpendicular recording media |
| 02/07/1989 | US4803338 Metallic ferromagnetic for transducing gap, oxide and carbide films and glass packed nonmagnetic film; wear resistance and noise reduction |
| 02/07/1989 | US4803291 Particulate compositions of ferromagnetic metal oxalates in the form of submicronic acicular particles, the preparation of same and application thereof |
| 02/07/1989 | US4803133 Lubricating agent composed of oleic acid and ester |
| 02/07/1989 | US4803132 Magnetic recording medium |
| 02/07/1989 | US4803131 Epoxy-containing binder |
| 02/07/1989 | US4803130 Reactive sputtering process for recording media |
| 02/07/1989 | US4803125 Backing is a polyfluoropolyether having polar end groups |
| 02/07/1989 | US4803121 Magnetic recording medium |
| 02/07/1989 | US4803120 With inorganic pigment coating and semi-transparent polymeric support; for cleaning effect and stability |
| 02/07/1989 | US4803106 Disc-shaped carrier body for a recording medium and method for manufacturing same |
| 02/02/1989 | DE3822388A1 Plattenfoermiges aufzeichnungsmedium mit festwertspeicher-spuren, beschreibbaren bereichen und mit antriebseinrichtung Plattenfoermiges recording medium with a fixed value memory-traces, writable areas and with power supply device |
| 02/02/1989 | DE3724349A1 Rotary transformer for a recorder |
| 02/01/1989 | EP0301902A2 Method and device for sensing a magnetic field with use of a magneto-resistive property of a superconductive material |
| 02/01/1989 | EP0301823A2 Three-pole magnetic recording head |
| 02/01/1989 | EP0301760A2 Head supporting structure in disk drive system for double sided flexible disk |
| 02/01/1989 | EP0301654A2 Magnetic head |
| 02/01/1989 | EP0301294A2 A magnetoresistive read transducer with insulator defined trackwidth |
| 02/01/1989 | EP0146773B1 Apparatus for recording a digital data |
| 02/01/1989 | CN2031962U Magnetic plate type audio-recorder |
| 02/01/1989 | CN1030841A Disc recording medium and equipment for its rotary and linear motion |
| 01/31/1989 | US4802050 Magnetic recording medium |
| 01/31/1989 | US4802043 Magneto-resistive head for protecting against output spike noises |
| 01/31/1989 | US4802042 Side-vented magnetic head air bearing slider |
| 01/31/1989 | US4802040 Disk-type recording and reproducing apparatus |
| 01/31/1989 | US4802038 PCM audio signal recording and/or reproducing apparatus with program timer and series and parallel formats |
| 01/31/1989 | US4802036 Dubbing tape recorder |
| 01/31/1989 | US4802033 Magnetic recording and playback apparatus |
| 01/31/1989 | US4802032 Servo for VTR drum motor with external reference signal phase modulation |
| 01/31/1989 | US4802030 Head-tape alignment apparatus with a tape edge find operation |
| 01/31/1989 | US4802028 Method and apparatus for erasing a magnetic disc employing erasing signals having at least two different frequencies |
| 01/31/1989 | US4802017 Device for recording image signals of photographic pictures |
| 01/31/1989 | US4802016 Video noise reduction system with signal emphasis preceding FM modulation upper-band luminance |
| 01/31/1989 | US4801505 Ferromagnetic powder, abrasive in binder |
| 01/31/1989 | US4801500 Magnetic recording medium |
| 01/31/1989 | US4801481 Perpendicular magnetic recording floppy disk |
| 01/31/1989 | US4801445 Coated with silicones, polysiloxanes |
| 01/31/1989 | US4801392 Free radical polymerization or crosslinking |
| 01/31/1989 | CA1249658A1 Magnetic head and process for producing same |
| 01/26/1989 | DE3824124A1 Thin-film magnetic head |
| 01/25/1989 | EP0300713A1 Magnetic circuit |
| 01/25/1989 | EP0300605A1 Magnetic head for reading and/or writing data from and/or onto a magnetic medium |
| 01/25/1989 | EP0300559A1 Thin-film magnetic head including a magnetoresistive element |
| 01/25/1989 | EP0300558A1 Thin-film magnetic head including an inductive transducing element |
| 01/25/1989 | EP0300557A1 Magnetic head for vertical recording |
| 01/25/1989 | EP0300556A1 Thin-film transformer and magnetic head provided with such a transformer |
| 01/25/1989 | EP0300511A2 Magnetic head |
| 01/25/1989 | EP0300336A2 Disc recording medium and equipment for its rotary and linear motion |
| 01/25/1989 | EP0300310A2 Process for producing particulate magnetic pigments of hexaferrite |
| 01/25/1989 | EP0112925B1 Magnetic recording medium |
| 01/25/1989 | CN1030669A Thin-film transformer and magnetic head provided with such transformer |
| 01/25/1989 | CN1030662A Magnetic head including core having non-magnetic gap |
| 01/25/1989 | CN1030661A Thin-film magnetic head including inductive transducing element |
| 01/25/1989 | CN1030660A Thin-film magnetic head including magneto-resistive element |
| 01/25/1989 | CN1030659A Magnetic head for vertical recording |
| 01/24/1989 | US4800458 Recording sheet bonded to a substrate in a magnetic disk |
| 01/24/1989 | US4800457 Multilayer alloys, contactors |
| 01/24/1989 | US4800456 Magnetic disk device with component materials having improved silicon content |
| 01/24/1989 | US4800455 Magnetic disk drive having a magnetic-head with a head gap supported parallel to the moving direction of a magnetic-head positioning mechanism |
| 01/24/1989 | US4800454 Static charge protection for magnetic thin film data transducers |
| 01/24/1989 | US4800229 Phosphated acrylates of alkoxylated alcohols |
| 01/18/1989 | EP0299618A2 Preparation process for ferromagnetic metal fibers |
| 01/18/1989 | EP0299585A1 Magnetic head including a core having a non-magnetic gap |
| 01/18/1989 | EP0299580A1 Apparatus for the storage and transport of an elongate endless tape |
| 01/18/1989 | EP0299542A2 Apparatus and method for adjusting the tracking of a video recorder |
| 01/18/1989 | EP0299480A2 Magnetic head and method of manufacturing thereof |
| 01/18/1989 | EP0299332A2 Process for preparing ferromagnetic fine particles for magnetic recording |
| 01/18/1989 | EP0155294B1 Method of and apparatus for realising spatial sound effects |
| 01/17/1989 | US4799205 Apparatus for causing a head to access a selected one of a plurality of tracks |
| 01/17/1989 | US4799119 Flexible circuit magnetic core winding for a core member |
| 01/17/1989 | US4799118 Thin film magnetic head |
| 01/17/1989 | US4799115 Method and apparatus for tolerating track misregistration systems in twin track vertical recording systems |
| 01/17/1989 | US4799114 Thermomagnetic recording carrier and a method for thermomagnetic recording |
| 01/17/1989 | US4799112 Method and apparatus for recording data |
| 01/17/1989 | US4798765 Cobalt; chromium; niobium or tantalum |
| 01/17/1989 | US4798759 Coextrusion, nucleation |
| 01/17/1989 | US4798755 Sulfonated, epoxidized vinyl chloride resin, polyurethane |
| 01/17/1989 | US4798622 High performance magnetic recording layer |
| 01/17/1989 | CA1249054A1 Video cassette play counting, storing and reading system |
| 01/17/1989 | CA1249040A1 Rotary coupler |
| 01/12/1989 | WO1989000327A1 Solenoidal thin film read/write head for computer mass storage device and method of making same |
| 01/11/1989 | EP0298840A2 Magnetic recording medium and manufacturing method thereof |
| 01/11/1989 | EP0298611A2 Polyurethanes and polyurethane/polyureas crosslinked using 2-glyceryl acrylate or 2-glyceryl methacrylate |
| 01/11/1989 | EP0298475A1 Head positioning system having position error compensation |
| 01/11/1989 | EP0298417A1 A magnetoresistive read transducer |
| 01/11/1989 | EP0298274A1 Process for structurizing a copper and/or permalloy layer by dry etching |
| 01/11/1989 | EP0298137A1 Method for recording data on recording material and such a recording material |
| 01/11/1989 | CN2030747U Communication magnetic tape |
| 01/11/1989 | CN1030318A Coding mode for high-density digital recording in multiple tracks |
| 01/11/1989 | CN1030317A Bias erase circuit |
| 01/10/1989 | US4797767 Digital magnetic head structure |
| 01/10/1989 | US4797766 Magnetic head with magnetoresistive element |
| 01/10/1989 | US4797765 Thin film magnetic head having solder-bonded protective plate |