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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07/21/1992 | US5132179 Magnetic recording medium comprising plural magnetic layers |
07/21/1992 | US5132173 Magnetic recording medium having a silicon oxide protective layer with an electrical specific resistance of from 3.3×1013 to 5.0×15 ohm.cm |
07/21/1992 | US5132158 Abrasion resistance |
07/21/1992 | US5132132 Coating two magnetic coating solutions on continuously traveling support by use of two dies each having two lips in confronting relation to each other through slits for supplying coating solutions, second lips of each die having curved tops |
07/21/1992 | US5131995 Method of manufacturing titanium magnetic disk substrate |
07/21/1992 | US5131977 Base plate for recording disc and a method for its manufacture |
07/16/1992 | DE4200350A1 Abrasive coated belts - comprise flexible substrate and abrasive agent layer contg. three types of abrasive grains of specified sizes and hardnesses |
07/15/1992 | EP0494793A1 Magnetic recording medium with improved backside coating |
07/15/1992 | EP0494703A2 Particles containing iron carbide |
07/15/1992 | EP0494678A1 Method for manufacturing magnetic recording medium |
07/15/1992 | EP0494640A2 Rotary head assembly |
07/15/1992 | EP0484433A4 Architecture for 2-1/2 inch diameter single disk drive |
07/15/1992 | CN1062805A Manganese bismuth adding rare-earth element magneto-optical film medium |
07/14/1992 | US5130878 Thin film magnetic head comprising a protective layer |
07/14/1992 | US5130877 Thin film head on ferrite substrate with inclined top pole |
07/14/1992 | US5130876 Solid state scanning transducer that utilizes low flux densities |
07/14/1992 | US5130875 Multichannel magnetic head having a plurality of head chips fixed on a common head base |
07/14/1992 | US5130874 Disk file actuator with heat dissipation and simplified component mounting |
07/14/1992 | US5130871 Disk drive with rotatable diamond-shaped actuator arm |
07/14/1992 | US5130868 Apparatus and method for positioning a transducer for recording, reproducing or erasing information on a medium |
07/14/1992 | US5130867 Magnetic disk unit utilizing a predetermined range for the frictional coefficient between the magnetic head and the recording medium |
07/14/1992 | US5130866 Method and circuitry for in-situ measurement of transducer/recording medium clearance and transducer magnetic instability |
07/14/1992 | US5130861 Method and apparatus for reproducing a digital video signal |
07/14/1992 | US5130745 Film information exchange system using dedicated magnetic tracks on film |
07/14/1992 | US5130202 Magnetic recording medium containing an isocyanate-free branched thermoplastic polyurethane binder resin with urea groups at the chain ends |
07/14/1992 | CA1305252C Overwriting system for magneto-optical recording |
07/09/1992 | WO1992011636A1 Device for controlling positioning of head of disc drive and method of controlling the same |
07/09/1992 | WO1992011630A1 Rigid disk drive with dynamic head loading apparatus |
07/09/1992 | WO1992011629A1 Rotary inertial latch for disk drive actuator |
07/09/1992 | WO1992011542A1 Media flaw detection apparatus for a magnetic disc drive |
07/09/1992 | DE4200198A1 Magnetic recording medium based on iron@ powder contg. cobalt - concentrated at surface of particles for good dispersibility, squareness ratio and alignment |
07/09/1992 | DE4141181A1 Magnetic recording medium with improved recording density - uses thin film of cobalt containing oxygen with the main magnetic axis at 20 to 80 degrees with the horizontal deposited by evaporation |
07/09/1992 | CA2058656A1 Magnetic head |
07/08/1992 | EP0494095A2 Particles containing iron carbide |
07/08/1992 | EP0493902A2 Magnetic head slider and method for making same |
07/08/1992 | EP0493885A2 Slider units for information recording devices and methods of making them |
07/08/1992 | CN2109615U Single sound track recorder imitating stereophonic adjusting circuit |
07/08/1992 | CN1062630A Arrangement for recording-clock run-in codewords at beginning of track on magnetic record carrier |
07/07/1992 | US5128822 Configuration for negative pressure air bearing sliders |
07/07/1992 | US5128821 Flying head slider and magnetic disk unit employing same |
07/07/1992 | US5128813 Thermal compensated head positioner servo for disk drive |
07/07/1992 | US5128812 Data transducer positioning system for rotating disk data storage apparatus |
07/07/1992 | US5128811 Apparatus for reproducing a binary digital signal, comprising a read head having a specially selected gap length |
07/07/1992 | US5128568 Self-biasing timing circuit for achieving long time delays |
07/07/1992 | US5128435 Magnetic recording medium based on epoxy resins modified by isocyanates with poly(perfluoroether) backbones |
07/07/1992 | US5128216 Lubricants for magnetic media |
07/07/1992 | US5128215 Styrene-butadiene |
07/07/1992 | US5128206 Magnetic recording supports |
07/02/1992 | DE4142052A1 Magnetic recording material - has non-magnetic substrate with two ferromagnetic layers of specified coercivity relationship and residual flux density relationship |
07/02/1992 | DE4141651A1 Tracking data securing for variable speed magnetic tape - includes deduction of deviation data function from comparison of instantaneous with normal speed track following data |
07/01/1992 | EP0493114A2 Magnetic recording medium |
07/01/1992 | EP0493035A1 Servo control method for magnetic disk apparatus |
07/01/1992 | EP0492963A2 Heterocyclic thione functional polyurethane polymers and their use in magnetic recording media |
07/01/1992 | EP0492888A2 Thin film magnetic head for use with magneto-optic disk drive |
07/01/1992 | EP0492848A2 Transducer head and method of making same |
07/01/1992 | EP0492775A2 Method and Apparatus for positioning head on target cylinder of disk |
07/01/1992 | EP0492774A2 Method and system for correcting offset of head position signal |
07/01/1992 | EP0492762A1 Method & apparatus for providing uniaxial anisotropy in magnetic recording disks |
07/01/1992 | EP0492704A1 Arrangement for recording clock run-in codewords in a track on a magnetic record carrier |
07/01/1992 | EP0492648A2 High density magnetic recording medium |
07/01/1992 | EP0492568A1 Magnetic recording medium |
07/01/1992 | EP0492441A1 Magnetic recording medium |
07/01/1992 | EP0492419A2 Viterbi decoding system including variable-order equalizer |
07/01/1992 | EP0492325A2 Method and circuit for the regeneration of a binary bitstream from a ternary signal |
07/01/1992 | EP0491920A1 Method for producing write and/or read heads for magnetic recording. |
07/01/1992 | EP0338063B1 Magnetic recording/reproducing head and process for making it. |
07/01/1992 | CN2108979U Magnetic head and drum cleaning sheet for videocorder |
07/01/1992 | CN1062425A Magnetoresistive sensor based on spin valve effect |
06/30/1992 | US5126990 Method of evaluating a storage medium by recirculating a test sample of a signal |
06/30/1992 | US5126986 Over write capable magnetooptical recording medium, recording method and apparatus using the same |
06/30/1992 | US5126985 Method of recording information on a record carrier of the thermomagnetic type, and device for carrying out the method |
06/30/1992 | US5126984 External magnetic field generating device for optical magnetic disk apparatus |
06/30/1992 | US5126919 Cooling system for an electronic circuit device |
06/30/1992 | US5126907 Thin film magnetic head having at least one magnetic core member made at least partly of a material having a high saturation magnetic flux density |
06/30/1992 | US5126906 Rotary magnetic head device with rotary transformer having high coupling coefficient |
06/30/1992 | US5126904 Magnetic head supporting structure with thick and thin portions for an information recording apparatus |
06/30/1992 | US5126903 Combination of a magnetic head and a magnetic head supporting device |
06/30/1992 | US5126902 Floating type magnetic head |
06/30/1992 | US5126901 Thin film magnetic head having a narrow upper surface |
06/30/1992 | US5126897 Magnetic recording/reproducing apparatus capable of reducing a setting time in a head positioning control mode |
06/30/1992 | US5126896 Recording or reproducing apparatus having a head positioning, motor power control circuit |
06/30/1992 | US5126895 Shockproof data transducer position control system for rotating disk data storage apparatus |
06/30/1992 | US5126893 Digital signal reproducing circuit |
06/30/1992 | US5126892 Rotating head type reproducing apparatus for reproducing an information signal from a record bearing medium having many parallel recording tracks and pilot signals of different frequencies |
06/30/1992 | US5126891 Magnetic recording apparatus |
06/30/1992 | US5126232 Photolithography using positive photoresis including post bake and flood exposure |
06/30/1992 | US5126215 Excellent electromagnetic characteristics and running durability at high density recording |
06/30/1992 | US5126202 Magnetic recording medium containing ferro magnetic powder, polar group containing resins in a specific ratio and carbon black of a specific size range |
06/30/1992 | US5126179 Titanium, aluminum and oxygen alloy from cold rolling; wear resistant, for computers |
06/30/1992 | US5126027 Uniform heating of both surfaces of base plates gives uniform physical properties; magnetic recording media, disks |
06/30/1992 | CA1304499C Magnetoresistive read transducer with insulator defined trackwidth |
06/28/1992 | CA2033271A1 Tape cassette |
06/25/1992 | WO1992010833A1 Bobbin for supporting disk drive actuator coil |
06/25/1992 | WO1992010832A1 Capillary attraction magnetic head and method of making |
06/25/1992 | WO1992008165A3 Transparent magnetic recording layers and photographic elements containing the same |
06/24/1992 | EP0491563A2 Information recording/reproducing apparatus |
06/24/1992 | EP0491382A2 Magnetic head base |
06/24/1992 | EP0491350A2 Apparatus and method for transducer crosstalk cancellation in a disk drive system |
06/24/1992 | EP0491327A2 Data protection method |
06/24/1992 | EP0491264A1 Magnetic disc |