| 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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| 08/23/1989 | EP0329300A2 Magnetic disk substrate polishing assembly |
| 08/23/1989 | EP0329265A2 Data storage method |
| 08/23/1989 | EP0329116A1 Method for manufacturing perpendicular magnetic recording medium |
| 08/23/1989 | EP0328998A2 Magnetic-recording medium |
| 08/23/1989 | EP0328739A2 Method for the magnetic recording of audio signals by overwriting, and device for carrying out such method |
| 08/23/1989 | EP0328556A1 Spherical pivoting actuator for read/record head |
| 08/23/1989 | EP0328534A1 A process for the preparation of magnetic hexaferrite particles, particles obtained and products containing them. |
| 08/23/1989 | EP0147436B1 Apparatus for reading magnetically recorded information |
| 08/23/1989 | CN1035017A Display-sound converting method and its device |
| 08/22/1989 | US4860183 Planar linear pulse motor |
| 08/22/1989 | US4860140 Magnetic head closure having ferrite substrate and closure and conductive thin film coil deposited in recess of substantially same shape in ferrite substrate |
| 08/22/1989 | US4860139 Planarized read/write head and method |
| 08/22/1989 | US4860138 Differentially sensitive single track read/write head design with improved biasing |
| 08/22/1989 | US4860135 Thermal compensation mechanism for magnetic disk drive data storage units |
| 08/22/1989 | US4860132 Rotatable head assembly with offset sub-head gaps |
| 08/22/1989 | US4860131 Method for recorrecting head position in a disk drive |
| 08/22/1989 | US4860126 Tape transporting device |
| 08/22/1989 | US4860125 Apparatus for recording information in a magnetic record carrier with control to selectively record a whole or part of a track |
| 08/22/1989 | US4859638 Magnetic head sliders, materials therefor, and the process for the production thereof |
| 08/22/1989 | US4859501 Method for providing a perpendicular recording medium for use with a ring-shaped recording and reproducing head |
| 08/22/1989 | US4859500 Method for preparing a magnetic recording medium |
| 08/22/1989 | US4859495 Method of preparing perpendicularly oriented magnetic recording media |
| 08/22/1989 | US4858808 Tape handling apparatus |
| 08/22/1989 | US4858265 Cleaning apparatus for magnetic tape |
| 08/17/1989 | DE3902958A1 Process for the interleaved recording of data for a plurality of data channels |
| 08/16/1989 | EP0328459A1 Permanent magnet magnetic head |
| 08/16/1989 | EP0328306A1 Magnetic head assembly and disk file employing same |
| 08/16/1989 | EP0328211A1 Pivotable rotatable magnetic head unit |
| 08/16/1989 | EP0328141A1 Recording and reproducing apparatus |
| 08/16/1989 | EP0328104A2 Magnetic head and method of manufacturing the same |
| 08/16/1989 | EP0327750A2 Method of and apparatus for placing a magnetic workpiece in a slot of a non-magnetic support |
| 08/16/1989 | CN1034820A Method of recording information on a record carrier of the thermomagnetic type, and device for carrying out the method |
| 08/16/1989 | CN1034819A All-tone organ with separately-recorded magnetic plates |
| 08/15/1989 | USRE33022 Ferromagnetic amorphous alloy |
| 08/15/1989 | US4858212 Recording method on magnetooptical disc with laser magnetic field |
| 08/15/1989 | US4858049 Magnetic film and magnetic head using the same |
| 08/15/1989 | US4858048 Complex magnetic transducer head of single magnetic pole type for perpendicular mode recording |
| 08/15/1989 | US4858047 Fine head positioning system for a tape backup drive |
| 08/15/1989 | US4858046 Head feed device |
| 08/15/1989 | US4858043 Magnetic head assembly for a flexible magnetic disk drive unit |
| 08/15/1989 | US4858041 Tracking servo control |
| 08/15/1989 | US4858040 Bimorph actuator for a disk drive |
| 08/15/1989 | US4858039 Streaming tape drive with direct block addressability |
| 08/15/1989 | US4858034 Modular unitary disk file subsystem with differing density zones |
| 08/15/1989 | US4857663 Hypoglycemic N-(2-substituted-3-dialkylamino-2-propenylidene)-N-alkylalkanaminium salts |
| 08/15/1989 | US4857417 Cobalt-containing iron oxide magnetic particles and method for the preparation of the same |
| 08/15/1989 | US4857402 Magnetic recording medium |
| 08/15/1989 | US4857388 Magnetic recording medium |
| 08/15/1989 | US4856181 Method for manufacturing terminal contacts for thin-film magnetic heads |
| 08/15/1989 | CA1258525A1 Reproduction of magnetic recordings |
| 08/10/1989 | WO1989007315A1 Streaming tape drive with direct block addressability |
| 08/10/1989 | WO1989007309A1 Torsion transducer |
| 08/09/1989 | EP0327381A2 Apparatus for demagnetizing magnetic heads |
| 08/09/1989 | EP0326978A1 Process for the preparation of hexagonal ferrites |
| 08/09/1989 | EP0326904A1 Thin-film magnetic head with an integrated magnetoresistive sensor |
| 08/09/1989 | EP0326756A1 Method and apparatus for detecting abnormal operation of moving storage apparatus |
| 08/09/1989 | EP0326749A2 Magneto-resistive sensor element |
| 08/09/1989 | EP0326741A2 Unbiased single magneto-resistive element ganged read head sensor |
| 08/09/1989 | EP0326683A2 Capacitive measurement and control of the fly height of a recording slider |
| 08/09/1989 | CN1034627A Magnetic tape with raised upper limit of recording frequency |
| 08/09/1989 | CN1004981B Regeneration-delaying method |
| 08/08/1989 | US4855856 Cleaning device for vhs video casette players |
| 08/08/1989 | US4855855 Tape recorder head cleaner |
| 08/08/1989 | US4855854 Thin-film magnetic head |
| 08/08/1989 | US4855853 Actuator for positioning heads in magnetic disc apparatus |
| 08/08/1989 | US4855852 Mounting structure for magnetic head |
| 08/08/1989 | US4855851 Head suspension for magnetic recording |
| 08/08/1989 | US4855844 Method of prerecording tape and apparatus for use therewith |
| 08/08/1989 | US4855843 Digital video recording |
| 08/08/1989 | US4855261 Containing cadmium oxide; workable, transparent, strong |
| 08/08/1989 | US4855175 Magnetic recording medium and production thereof |
| 08/08/1989 | US4855028 Electrodeposition mirroring pattern on electrode |
| 08/08/1989 | US4854662 Optical data signal apparatus for optically coupling a plurality of data channels between stationary and rotating systems |
| 08/08/1989 | US4854262 Coating apparatus |
| 08/08/1989 | US4854036 Apparatus for assembling magnetic tape drive read/write head modules |
| 08/08/1989 | US4854035 Method of manufacturing a magnetic head |
| 08/02/1989 | EP0326438A2 Forming method of magnetic recording medium protective film |
| 08/02/1989 | EP0326317A1 Stabilized magnetic metal pigment |
| 08/02/1989 | EP0326219A1 Rotatable magnetic-head unit for a magnetic apparatus |
| 08/02/1989 | EP0326206A1 Method of and apparatus for recording an information signal |
| 08/02/1989 | EP0326192A2 Magneto resistive coupled thin films for magnetic flux sensing |
| 08/02/1989 | EP0326165A2 Iron Carbide fine particles and a process for preparing the same |
| 08/02/1989 | EP0326140A2 Flying-type composite magnetic head |
| 08/02/1989 | EP0325801A1 Surface treatment method for a magnetic recording carrier |
| 08/02/1989 | EP0182901B1 Magnetic tape apparatus |
| 08/02/1989 | EP0179299B1 Alignment disk and method for producing it |
| 08/02/1989 | CN1034444A Magnetic head used for both erasing and magnetic biasing oscillators |
| 08/01/1989 | US4853815 Magnetic thin-film head on a nonmagnetic substrate for vertical mangetization |
| 08/01/1989 | US4853814 Magnetic head with constant area wear profile |
| 08/01/1989 | US4853813 Magnetic head supporting device |
| 08/01/1989 | US4853812 Structure for supporting magnetic head |
| 08/01/1989 | US4853811 Magnetic disk drive with low profile head-suspension system |
| 08/01/1989 | US4853810 Method and apparatus for controlling the flying height of the head in a magnetic storage unit |
| 08/01/1989 | US4853808 Linear actuator for disc drive |
| 08/01/1989 | US4853802 Single stage feedforward equalizer |
| 08/01/1989 | US4853800 Method and circuit for recording broadband signals on a magnetic record medium |
| 08/01/1989 | US4853799 Magnetic disk apparatus capable of writing at two different track densities |
| 08/01/1989 | US4853633 Magnetic head electromagnetic conversion efficiency measuring method and element therefor |
| 08/01/1989 | US4853289 Magnetic lacquer dispersions, process for their production and their use |
| 08/01/1989 | US4853080 Lift-off process for patterning shields in thin magnetic recording heads |