| 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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| 12/30/1991 | CA2035281A1 Gear drive carriage and stepper adjustment system |
| 12/27/1991 | EP0462843A2 Magneto-optical method and apparatus for recording/reproducing data |
| 12/27/1991 | EP0462820A2 Magnetic recording medium |
| 12/27/1991 | EP0462775A2 Signal reproducing apparatus |
| 12/27/1991 | EP0462570A2 Magnetic recording medium |
| 12/27/1991 | EP0462385A2 Thin film magnetic head |
| 12/27/1991 | EP0462276A1 Magnetic recording and reproducing apparatus |
| 12/26/1991 | WO1991020079A1 Read channel detector with improved signaling speed |
| 12/26/1991 | WO1991020077A1 Optical servo system for magnetic disk |
| 12/24/1991 | US5075809 Rotary magnetic head tape-scanning device with heads protected from cross-talk by mounting on a head carrier and by annular shielding of a portion of the head projecting from the head carrier |
| 12/24/1991 | US5075803 Signal discriminating device for vtr having expanded dynamic range |
| 12/24/1991 | US5075801 Electromagnetic drive circuitry for anhysteretic duplication of a flexible magnetic disk |
| 12/24/1991 | US5075280 Thin film magnetic head with improved flux concentration for high density recording/playback utilizing superconductors |
| 12/24/1991 | US5075180 Vinyl acetate-vinyl chloride copolymer binder in backing |
| 12/24/1991 | US5075179 Stabilized binder gives waterproofing, oxidation resistance |
| 12/24/1991 | US5075169 Plate-like composite ferrite particles for magnetic recording and process for producing the same |
| 12/24/1991 | US5075167 Two magnetic layers containing ferromagnetic powder and binder , first layer containing hydrocarbyl fatty acid ester and seco nd containing hydrocarbyloxyhydrocarbyl fatty acid ester |
| 12/24/1991 | US5074971 Dissolving anodized aluminum film to widen pores uniformly bef ore coating with magnetic film |
| 12/24/1991 | US5074029 Method for stringing wire on an actuator arm |
| 12/18/1991 | EP0461933A2 Coating method and apparatus for magnetic recording medium |
| 12/18/1991 | EP0461907A2 Magneto-optical recording/reproducing device |
| 12/18/1991 | EP0461880A2 Video tape recorder |
| 12/18/1991 | EP0461834A2 A magnetic recording medium and its manufacturing process |
| 12/18/1991 | EP0461665A2 Magnetic recording and/or reproducing apparatus |
| 12/18/1991 | EP0461132A1 Circuit arrangement for reversing a magnetic field. |
| 12/18/1991 | EP0305474B1 Voice coil linear actuator |
| 12/18/1991 | CN2091017U Double-face magnetic tape |
| 12/18/1991 | CN1057123A Controlling position of rotatable transducer in devices employing such transducers |
| 12/18/1991 | CN1015138B Magnetic head supporting device for magnetic tap recorder |
| 12/17/1991 | US5073951 Method of inspecting an adhesive to fasten a center hub to a magnetic disk |
| 12/17/1991 | US5073836 Single pole write and a differential magneto-resistive read for perpendicular recording |
| 12/17/1991 | US5073835 Head tracking system with memory for storing correct tracking positions |
| 12/17/1991 | US5073834 Disk file or tape drive with high servo sample rate embedding additional servo sectors within individual data sectors |
| 12/17/1991 | US5073833 Method for compensating for misalignment |
| 12/17/1991 | US5073832 Carriage controlling apparatus for floppy disk apparatus |
| 12/17/1991 | US5073460 Magnetic recording medium and process for producing the same |
| 12/17/1991 | US5073449 Magnetic recording medium and method for producing the same |
| 12/17/1991 | US5073439 Magnetic recording medium comprising a vinyl chloride based resin group containing an epoxy group or a polar or both and further a polyurethane resin containing three hydroxyl groups and one polar group |
| 12/17/1991 | US5073406 Method of producing a magnetic recording medium |
| 12/17/1991 | US5073242 Method of making integrated magnetic read/write head/flexure/conductor structure |
| 12/17/1991 | US5073214 Magnetic material for a magnetic head |
| 12/17/1991 | US5072688 Extrusion-type coating head for coating a magnetic recording medium |
| 12/17/1991 | CA1293321C Rotary magnetic head device |
| 12/17/1991 | CA1293161C Process for protecting and lubricating surfaces subjected to friction and wear |
| 12/11/1991 | EP0460860A1 Rotatable work tool assembly |
| 12/11/1991 | EP0460702A2 Magnetic head |
| 12/11/1991 | EP0460644A2 Head base for securing a magnetic head element |
| 12/11/1991 | EP0460640A1 Polyester film for magnetic recording media |
| 12/11/1991 | EP0460104A1 Suspension system for magnetic heads |
| 12/11/1991 | CN1056945A 磁盘装置 Disk device |
| 12/11/1991 | CN1056944A Magnetooptical recording medium |
| 12/10/1991 | USRE33765 Record/playback apparatus automatically skips unnecessary information during playback |
| 12/10/1991 | US5072435 Information recording device which adjusts its recording parameters to the record carrier to be recorded |
| 12/10/1991 | US5072432 Magnet turn-over mechanism for recording and/or erasing an information on and from a magneto-optical disk by selectively applying a first and a second predetermined magnetic fields |
| 12/10/1991 | US5072431 Magneto-optical disk recording apparatus |
| 12/10/1991 | US5072324 Thin film transducer/transformer assembly |
| 12/10/1991 | US5072323 Magnetic head without an erasure gap for recording new signals over old data |
| 12/10/1991 | US5072322 Monolithic ferrite recording head with glass-protected, self-aligned, machined track |
| 12/10/1991 | US5072320 Magnetic recording and reproducing apparatus having improved durability |
| 12/10/1991 | US5072319 Magnetic recording/or reproducing apparatus |
| 12/10/1991 | US5072318 Disk file with adaptive cancellation of nonrepeatable disk runout |
| 12/10/1991 | US5072316 Recording apparatus |
| 12/10/1991 | US5071715 Magnetic recording medium with a lubricant layer containing a perfluoro polyoxyalkyl compound |
| 12/10/1991 | US5071578 Sulfonated hydroxy-functional polyurethane binder for magnetic recording media |
| 12/04/1991 | EP0459732A1 Apparatus and methods for recording information signals and tracking signals on magnetic tape |
| 12/04/1991 | EP0459726A2 Magnetic disk apparatus |
| 12/04/1991 | EP0459725A1 Magnetic disk apparatus |
| 12/04/1991 | EP0459706A2 Magnetic recording medium comprising acicular dendrite free iron oxide magnetic particles |
| 12/04/1991 | EP0459598A2 Miniaturised tape cartridge drive and data processors |
| 12/04/1991 | EP0459579A1 Read head arrangement comprising 2n read heads of the MR type, and reproduction arrangement comprising the read head arrangement |
| 12/04/1991 | EP0459426A2 Thin film magnetic head |
| 12/04/1991 | EP0459413A2 Method for fabricating a magnetic recording medium |
| 12/04/1991 | EP0459411A2 Magnetic recording medium |
| 12/04/1991 | EP0459404A2 Magnetoresistance-effect thin film head |
| 12/04/1991 | EP0459403A2 Method for manufacturing a magnetic transducer head |
| 12/04/1991 | EP0459265A2 A track address pattern for a magnetic disk apparatus |
| 12/04/1991 | EP0370067B1 Preparation of thin layers of iron iii oxide for optical and/or magnetic recording |
| 12/03/1991 | US5070425 Surface structure of a magnetic disk |
| 12/03/1991 | US5070424 Rotary drum assembly for a video tape recorder |
| 12/03/1991 | US5070423 High-performance actuator array for disk drive with unitary actuator guide means |
| 12/03/1991 | US5070421 Magnetic disk system having tracking control using recorded information |
| 12/03/1991 | US5070420 Magnetic disk drive |
| 12/03/1991 | US5070419 Method and apparatus for recording and reproducing of a recording medium |
| 12/03/1991 | US5070416 Erasing previously recorded signal in apparatus for pulse train recording of digital signal |
| 12/03/1991 | US5069983 Magnetic recording member |
| 12/03/1991 | US5069973 Fluorine-containing solid lubricant |
| 12/03/1991 | US5069967 Durability, thin metal film. plasma polymerized film, fluoropo lymer film |
| 12/03/1991 | US5069963 Magnetic recording medium with a back coat layer of nitrocellulose and polyurethane binder resins and which contains carbon black and titanium dioxide particles |
| 12/03/1991 | US5069962 Magnetic recording media, scratch resistant |
| 12/03/1991 | US5069949 Magnetic recording medium |
| 12/03/1991 | US5069934 Continuous, high speed |
| 12/03/1991 | US5069933 Exposure of ferromagnetic metal film containing oxygen to ozon e; corrosion resistance to salts |
| 12/03/1991 | US5069932 Method of winding up a magnetic recording medium |
| 12/03/1991 | US5069931 Method of preparing a magnetic recording medium |
| 12/03/1991 | US5069807 Binder composition for use in magnetic recording media |
| 12/03/1991 | US5068959 Method of manufacturing a thin film head |
| 12/03/1991 | CA1292801C Fine positioning for disk drive |
| 12/02/1991 | CA2041578A1 Magnetic recording medium comprising acicular dendrite free iron oxide magnetic particles |
| 11/29/1991 | CA2043155A1 Apparatus and methods for recording information signals and tracking signals on magnetic tape |
| 11/29/1991 | CA2042871A1 Magnetic disk apparatus |