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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04/15/1986 | US4583135 Tracking device using multiple piezoelectric elements for track centering |
04/15/1986 | US4583134 Coded control signal to control tape recorder |
04/15/1986 | US4583132 Recording/reproducing apparatus for selectively processing monaural, stereo and bilingual signals |
04/15/1986 | US4583130 AST for a two track VTR |
04/15/1986 | US4582812 Aluminum oxide substrate material for magnetic head and method for producing the same |
04/15/1986 | US4582759 Magnetic recording medium and process for producing same |
04/15/1986 | US4582757 Audio, video, computor applications; smooth, stable tape running for extended period |
04/15/1986 | US4582754 Magnetic recording medium |
04/15/1986 | US4582746 Magnetic recording medium |
04/15/1986 | US4582623 Barium ferrite magnetic powder and recording medium employing the same |
04/10/1986 | WO1986002190A1 Track post-control system for a magnetic tape unit with transverse track recording |
04/10/1986 | WO1986002189A1 Compound magnetic head |
04/10/1986 | CN85108275A Method and apparatus for recording pcm signal |
04/10/1986 | CN85108011A Magnetic head and process for producing same |
04/09/1986 | EP0177263A2 Automatic tracking apparatus |
04/09/1986 | EP0177235A1 Apparatus for recording audio and video signals |
04/09/1986 | EP0177231A2 Digital video recording |
04/09/1986 | EP0177073A2 Disk carrier and plug |
04/09/1986 | EP0176983A2 Silane dispersing agent for magnetic media |
04/09/1986 | EP0176922A2 Perpendicular magnetization film and the preparation thereof |
04/09/1986 | EP0176919A2 Process for the preparation of fine isotropical ferrite powder having a spinel structure |
04/09/1986 | EP0176636A1 Polymeric thin film and products containing the same |
04/08/1986 | US4581664 Disk accessing circuitry |
04/08/1986 | US4581663 Buried servo recording system having dual transducers |
04/08/1986 | US4581662 Position control apparatus for controlling positions of rotary heads with respect to a recording medium |
04/08/1986 | US4581661 Erasing apparatus employing multiple magnetically premeable members |
04/08/1986 | US4581567 Device for feeding magnetic head |
04/08/1986 | US4581296 Magnetic recording media |
04/08/1986 | US4581283 Mixture of ferromagnetic powder, wax, and thermoplastic elastomer |
04/08/1986 | US4581270 Protective coating is photopolymerizable coating of acrylated resin, aromatic ketone, and silicone lubricant |
04/08/1986 | US4581251 Heat treatment of ferric oxide prior to treatment with cobalt |
04/08/1986 | US4581246 Production of magnetic recording media |
04/08/1986 | US4581245 Method of manufacturing of abrasion resisting magnetic recording product |
04/08/1986 | US4581109 Magnetic plated media and process thereof |
04/08/1986 | US4581080 Magnetic head alloy material and method of producing the same |
04/08/1986 | US4580966 Orientation processing device for magnetic particles on disc-shaped magnetic recording medium |
04/02/1986 | EP0176368A2 Diskette having wear-resistant magnetizable layer |
04/02/1986 | EP0176257A2 Magnetic recording apparatus for intermittently recording a video signal |
04/02/1986 | EP0176131A1 Magnetic head |
04/02/1986 | EP0176017A2 The use of nucleating agents for improving dimensional stability, abrasion resistance and stretchability of polyester films |
04/02/1986 | EP0175839A1 Data transducer restraint |
04/02/1986 | EP0175800A1 Magnetic transducer head |
04/01/1986 | US4580185 Video player/recorder cleaning apparatus and method |
04/01/1986 | US4580180 Method of and apparatus for scanning tape with scanning head |
04/01/1986 | US4580178 Magnetic data storage system |
04/01/1986 | US4580177 Switching circuit for AC bias signal |
04/01/1986 | US4580176 Adaptive equalization circuit for magnetic recording channels utilizing signal timing |
04/01/1986 | US4580175 Endless, folded magnetoresistive head |
04/01/1986 | US4579780 Coating layer containing viscous dimethyl polysiloxane silicone oil |
04/01/1986 | US4579778 Magnetic recording medium |
04/01/1986 | CA1202716A1 Magnetic reproduction system |
03/26/1986 | EP0175614A2 Magnetic recording medium and manufacturing method thereof |
03/26/1986 | EP0175535A1 Magnetic composite |
03/26/1986 | EP0175389A2 Magnetic recording medium |
03/26/1986 | EP0175339A2 Magnetic recording medium |
03/26/1986 | EP0175050A2 Magnetic head and process for making it |
03/26/1986 | EP0175001A1 Vertically magnetized magnetic head |
03/25/1986 | US4578729 Magnetic recording medium |
03/25/1986 | US4578728 Thin amorphous alloy film, ceramic |
03/25/1986 | US4578726 Head arm mounting device for one or more scanning heads in recording playback apparatus for disk records |
03/25/1986 | US4578723 Head positioning system with automatic gain control |
03/25/1986 | US4578722 Method for checking disk identity in a flexible disk recorder |
03/25/1986 | US4578719 Tracking error recognition in reproduced digital signals |
03/25/1986 | US4578717 Magnetic record card transducing apparatus and method |
03/25/1986 | US4578314 Abrasive particles in dispersion |
03/25/1986 | US4578313 Particles coated with carbon produced by thermal decomposition |
03/25/1986 | US4578311 Magnetic recording medium |
03/25/1986 | US4578299 Magnetic recording media |
03/25/1986 | US4578280 Process for the production of a magnetic recording material with perpendicular orientation |
03/25/1986 | US4577521 Carriage drive unit |
03/25/1986 | US4577362 Apparatus for removing foreign matter from flexible support |
03/19/1986 | EP0174714A1 Magnetic transducer head structure and method of use |
03/19/1986 | EP0174376A1 Heat-resistant film or sheet |
03/18/1986 | US4577289 Hardware key-on-disk system for copy-protecting magnetic storage media |
03/18/1986 | US4577250 Hall effect magnetic head |
03/18/1986 | US4577244 Techniques for disk servo |
03/18/1986 | US4577240 Multiple zone multiple disk video recording system |
03/18/1986 | US4577239 Video tape recorder usable with different types of tape cassettes |
03/18/1986 | US4577077 Surface smoothing method for disk-like recording medium |
03/18/1986 | US4576876 Magnetic recording medium |
03/18/1986 | US4576866 Vinyl acetate-vinyl chloride copolymer |
03/18/1986 | US4576726 Magnetic coating composition |
03/18/1986 | US4576700 Perpendicular magnetic recording medium method for producing the same, and sputtering device |
03/18/1986 | US4576699 Cosputtering rare earth and transition metals, concentration, variations |
03/18/1986 | US4576635 Treating acicular metal oxyhydroxide with silicon compound, dehydrating, and reducing |
03/18/1986 | EP0119200A4 Video recording and reproducing apparatus for controlling the transport of the tape. |
03/12/1986 | EP0174144A2 Process for preparing magnetic layer and magnetic head prepared using the same |
03/12/1986 | EP0174095A2 Tracking control apparatus |
03/12/1986 | EP0174024A2 Magnetic recording medium and method of producing the same |
03/12/1986 | EP0173977A2 Magnetostrictive recording head |
03/12/1986 | EP0173965A2 Power control device for disk apparatus |
03/12/1986 | EP0173942A2 Magnetoresistance effect type magnetic head apparatus |
03/12/1986 | EP0173910A2 Isometric iron oxides with superior coercivity, process for their production and their use |
03/12/1986 | EP0173844A2 A head alignment servo-system for a multiple magnetic recording disk file and its method of use |
03/12/1986 | EP0173840A2 Apparatus for disorienting magnet particles in magnetic recording media |
03/11/1986 | US4575777 Magnetic recording and reproducing head |
03/11/1986 | US4575776 Magnetic recording disk file servo control system including an actuator model for generating a simulated head position error signal |
03/11/1986 | US4575775 Magnetic recording disk having a sector servo pattern for use with a multiple element head |
03/11/1986 | US4575773 Method and apparatus for selectively recording instrument quality data or composite instrument quality data and video signals on a commercial unmodified video tape recorder |
03/11/1986 | US4575475 Magnetic recording medium |