| 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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| 01/21/1992 | US5082747 Chromium nucleatin; cobatl alloy and carbon protective layers |
| 01/21/1992 | US5082737 Magnetic recording media having a branched thermoplastic polyurethane binder containing a polysiloxane component in the main chain |
| 01/21/1992 | US5082733 Magnetic recording medium containing magnetic particles surface treated with a glycidyl compound |
| 01/21/1992 | US5082729 Ferromagnetic layers, durability |
| 01/21/1992 | US5082728 Wear resistance, durability; back coating of resin binder with iron oxide dispersed therein |
| 01/21/1992 | US5082717 Styrene-based resin composite material |
| 01/21/1992 | US5082714 Magnetic recording media |
| 01/21/1992 | US5082709 Nonmagnetic substrate with fine particle-like projections; computers |
| 01/21/1992 | US5082689 Production of magnetic recording media |
| 01/21/1992 | CA2047356A1 Disk apparatus and manufacturing method thereof |
| 01/21/1992 | CA1294704C High speed magnetic disk contact recording system |
| 01/16/1992 | DE4122383A1 Ferromagnetic nitrogen-contg. cobalt-iron alloy film - used in magnetic recording heads |
| 01/16/1992 | DE4121875A1 Sheet with magnetic and visual recording layers on opposite sides - and binder of specified gel content, giving good print, e.g. for ticket or prepaid card |
| 01/16/1992 | DE4022410A1 Magnetic field reversing circuit with coil - couples inductance terminal to supply voltage source pole via third controllable switch |
| 01/16/1992 | DE4022400A1 Schaltungsanordnung zur umkehrung eines magnetfeldes Circuit arrangement for the reversal of a magnetic field |
| 01/15/1992 | EP0466502A1 Head slider for magnetic disk drive device |
| 01/15/1992 | EP0466338A1 Spindle-shaped magnetic iron based alloy particles and process for producing the same |
| 01/15/1992 | EP0466159A2 Composite magnetic head |
| 01/15/1992 | EP0466130A2 Silver halide color photographic material containing magnetic recording element |
| 01/15/1992 | EP0465668A1 Head amplifier |
| 01/14/1992 | US5081554 Biasing conductor for MR head |
| 01/14/1992 | US5081553 Combination of elongated load arm and microminimonolithic head slider |
| 01/14/1992 | US5081550 Reproducing apparatus employing track-controlled multi-rotary-head device |
| 01/14/1992 | US5081548 Data storage apparatus and method |
| 01/14/1992 | US5081547 Apparatus and method for automatic adjustment of read amplitude threshold in a digital tape drive |
| 01/14/1992 | US5081369 Signal processing circuit with digital delay |
| 01/14/1992 | US5081213 Heterocyclic thione functional polyurethane polymers and their use in magnetic recording media |
| 01/14/1992 | US5080982 Magnetic recording medium |
| 01/14/1992 | US5080971 Magnetic recording medium |
| 01/14/1992 | US5080967 Magnetic recording medium |
| 01/14/1992 | US5080948 Durability |
| 01/14/1992 | US5080223 Card case having a finger access hole |
| 01/14/1992 | US5079831 Method of making a dual stripe magnetic head |
| 01/14/1992 | CA2046993A1 Head slider for magnetic disk drive device |
| 01/09/1992 | WO1992000596A1 High coercivity magnetic inks |
| 01/09/1992 | DE4121466A1 Fixing system for video magnetic head - locates head on drum by profiled guide section and fixes by set screws |
| 01/08/1992 | EP0465255A2 Digital signal recording and reproducing apparatus |
| 01/08/1992 | EP0465159A2 Data recording apparatus |
| 01/08/1992 | EP0465070A2 Sulfonated and non-sulfonated, thiol, and hydroxy functional polyurethanes and graft copolymers made therewith |
| 01/08/1992 | EP0465054A1 Communications processor |
| 01/08/1992 | EP0464991A2 Lubricants for magnetic media |
| 01/08/1992 | EP0464947A1 Device for inscribing and/or reading a magneto-optical information carrier |
| 01/08/1992 | EP0464827A2 Magnetic recording medium and method for making the same |
| 01/08/1992 | EP0464786A2 Magnetic disk, method of manufacturing the same and magnetic disk apparatus including the magnetic disk |
| 01/08/1992 | EP0464750A2 Polyurethane resin composition |
| 01/08/1992 | EP0464745A2 Process for preparing iron carbide fine particles |
| 01/08/1992 | EP0464520A1 Hard disk driver including a flying head slider |
| 01/08/1992 | EP0464519A2 Process for the preparation of ocicular alfa-iron III oxide |
| 01/08/1992 | EP0324744B1 Recording device |
| 01/07/1992 | US5079664 Magnetic head with a laminated magnetic film thicker than a track width |
| 01/07/1992 | US5079663 Magnetoresistive sensor with track following capability |
| 01/07/1992 | US5079662 Compound magnetic head having a recording head and a reproducing magnetoresitive head integrated therein |
| 01/07/1992 | US5079661 Magnetic head assembly having consistent track pitch |
| 01/07/1992 | US5079660 Magnetic head suspension assembly for reducing vibration effects |
| 01/07/1992 | US5079658 Double-head magnetic transducer assembly for helical scan type tape recorders |
| 01/07/1992 | US5079657 Textured air bearing surface |
| 01/07/1992 | US5079654 Data transducer position control system for data transfer apparatus employing dislike record media |
| 01/07/1992 | US5079653 Information storage disc transducer position control system using last step damping |
| 01/07/1992 | US5079652 Device for controllably lessening load forces on disk media in aerodynamically flying head data storage file |
| 01/07/1992 | US5079650 Information signal recording and reproducing apparatus with a mark signal and four kinds of pilot signals |
| 01/07/1992 | US5079649 Erase device for a magnetic layer memory having relative motion |
| 01/07/1992 | US5079432 Method and apparatus for measuring the displacement of an automatic scan tracking head |
| 01/07/1992 | US5079219 Storing information-bearing signals in a superconductive environment using vortices as digital storage elements |
| 01/07/1992 | US5079096 And a magnetic layer formed on it; low surface smoothness and resistance |
| 01/07/1992 | US5079092 Plate-like composite ferrite fine particles suitable for use in magnetic recording and process for producing the same |
| 01/07/1992 | US5079086 Magnetic recording media |
| 01/07/1992 | US5079085 Magnetic recording medium containing a binder which is chemically bonded to crosslinked resin fine particles contained in the magnetic layer |
| 01/07/1992 | US5079062 Magnetic recording medium having a thin film magnetic layer formed over a non-magnetic substrate which has powder grains of the substrate disposed on its surface |
| 01/07/1992 | US5079035 Method of making a magnetoresistive read transducer having hard magnetic bias |
| 01/07/1992 | US5078984 Process for producing microcrystalline barium ferrite platelets |
| 01/07/1992 | US5078944 Method for making permanent magnet type demagnetizing head |
| 01/07/1992 | US5078846 Process for forming hafnia and zirconia based protective films on longitudinal magnetic recording media |
| 01/07/1992 | CA1294040C Read/write head |
| 01/07/1992 | CA1294039C Magnetic head and method of manufacturing thereof |
| 01/07/1992 | CA1294002C Transmitter having pll circuit |
| 01/03/1992 | CA2046047A1 Process for preparing iron carbide fine particles |
| 01/02/1992 | EP0463908A1 Magnetic recording device with a plurality of magnetic heads |
| 01/02/1992 | EP0463883A2 Movable head position controlling device for magnetic recording and reproducing apparatuses |
| 01/02/1992 | EP0463821A1 Disc drive units |
| 01/02/1992 | EP0463806A2 Vinyl-sulfonated and non-sulfonated hydroxy functional polyurethane copolymers prepared from macromonomers and their use in magnetic recording media |
| 01/02/1992 | EP0463805A2 Carbamate modified sulfonated and non-sulfonated hydroxy-functional polyurethane macroiniferter compounds, copolymers made therewith, and magnetic recording media prepared therefrom |
| 01/02/1992 | EP0463765A2 Thin film head slider fabrication process |
| 01/02/1992 | EP0463753A1 Magnetic pole configuration for high density thin film recording head |
| 01/02/1992 | EP0463750A1 Rotary magnetic head drums |
| 01/02/1992 | EP0463601A2 Magnetic recording medium |
| 01/02/1992 | EP0463432A1 Binder for magnetic recording medium |
| 01/02/1992 | EP0463345A2 Method to improve the electromechanical properties of magnetic heads and complete magnetic head arrangements |
| 01/02/1992 | EP0463336A2 Disk-drive crash stop |
| 01/02/1992 | EP0380532B1 Preparation of thin layers of iron iii oxide for optical and/or magnetic recording |
| 01/02/1992 | DE4121309A1 Magnetic recording material e.g. for video use - has low water content uppermost magnetic layer contg. magnetic metal powder for improved electromagnetic conversion property |
| 01/02/1992 | DE4120244A1 Magnetic head slide piece material - based on stabilised cubic zirconia |
| 01/02/1992 | DE4019742A1 Magnetic tape video recorder - has erase head mounted on spring biased tape tensioning arm |
| 12/31/1991 | US5077736 Disk drive memory |
| 12/31/1991 | US5077713 Magneto-optical disk writing/reading apparatus including a floating magnetic head |
| 12/31/1991 | US5077623 Method and apparatus for automatically optimizing the record current in a tape recorder using a reference tape |
| 12/31/1991 | US5077146 Magnetic recording medium containing a substituted hexagonal ferrite magnetic powder which includes Zr or Hf and which has a temperature coefficient of coercivity not more than 3.5 oersteds/°C. |
| 12/31/1991 | US5077131 Loading rate of magnetic substance, incorporating prescribed number of grains; suitable for video tapes |
| 12/31/1991 | US5076836 Improved dispersibility, stability |
| 12/31/1991 | US5075956 Method of making recording heads with side shields |
| 12/31/1991 | US5075919 Transducer head cleaning disk |