| 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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| 08/01/1989 | CA1258121A1 Stable stretched surface recording medium |
| 08/01/1989 | CA1258008A1 Magnetic recording medium |
| 08/01/1989 | CA1257961A1 Process for producing magnetic powder |
| 07/26/1989 | EP0325477A2 Methods of recording and/or reproducing digital signals |
| 07/26/1989 | EP0325365A2 Compensated magneto-resistive read head |
| 07/26/1989 | EP0325300A2 Flying-type composite magnetic head |
| 07/26/1989 | EP0325256A2 Apparatus for reproducing digital video signal |
| 07/26/1989 | EP0325237A2 Method and apparatus for producing magnetic recording medium |
| 07/26/1989 | EP0325166A2 Head wheel arrangement for a recorder |
| 07/26/1989 | EP0325095A2 Orienting magnetic particles on a substrate |
| 07/26/1989 | EP0324966A1 Plastic suspension arm assembly |
| 07/26/1989 | EP0324962A2 Process for optimizing head position to overcome disk misclamping and imperfections |
| 07/26/1989 | EP0324942A1 Manufacturing method of a magnetic record carrier |
| 07/26/1989 | EP0324853A1 Magneto-optical disk. |
| 07/26/1989 | EP0324760A1 Method and apparatus for establishing production history |
| 07/26/1989 | CN1034284A Disk drive having improved linear actuator |
| 07/25/1989 | USRE33001 Digital television tape recording |
| 07/25/1989 | US4851945 Demagnetizing device having an oscillating permanent magnet |
| 07/25/1989 | US4851944 Ganged MR head sensor |
| 07/25/1989 | US4851943 Disk drive assembly tool |
| 07/25/1989 | US4851942 Floating magnetic head having a magnetic core buried in a channel on an air bearing rail |
| 07/25/1989 | US4851940 Longitudinal recording and/or reproducing apparatus |
| 07/25/1989 | US4851939 Actuator driving apparatus and magnetic disk drive system with a smaller number of high power amplifiers than actuators |
| 07/25/1989 | US4851936 Erasing method for erasing information corrected on a magnetic recording medium |
| 07/25/1989 | US4851935 Drum assembly for a magnetic recording and reproducing apparatus |
| 07/25/1989 | US4851933 Magnetic disk apparatus having magnetic head with pre-erase gap |
| 07/25/1989 | US4851931 Method and apparatus for producing an audio magnetic tape recording at high speed from a preselected music library |
| 07/25/1989 | US4851465 Vinyl chloride, sulfur or phosphorus acid unsaturated monomer, hydroxy-containing unsaturated monomer, magnetic recording media |
| 07/25/1989 | US4851292 Plate-like barium ferrite particles suitable for use in magnetic recording and process for producing the same |
| 07/25/1989 | US4851289 Magnetic recording medium |
| 07/25/1989 | US4851288 Cobalt-adsorbed iron oxide particles and polar thermo plastic resin binder; video tapes used with ferrite heads |
| 07/25/1989 | US4851276 Magnetizing the magnetic powder layer in a perpendicular direction; smoothness; high density recording disks |
| 07/25/1989 | US4851258 Modifying ferric oxide particles with cobalt and ferrous iron in alkaline solution |
| 07/25/1989 | US4851096 Deposition of sintered silicon nitride layer with refractive index improving additive |
| 07/25/1989 | CA1257926A1 Apparatus for recording a video signal |
| 07/20/1989 | DE3800197A1 Method for surface machining of substrate plates |
| 07/19/1989 | EP0324378A2 Process for producing magnetic head of floating type |
| 07/19/1989 | EP0324123A2 Method and apparatus for manufacturing of a magneto-optic recording and/or erasable information carrier |
| 07/19/1989 | EP0324005A1 Solenoidal thin film read/write head for computer mass storage device and method of making same |
| 07/19/1989 | CN1034084A Rotary magnetic head device |
| 07/18/1989 | US4849843 Demagnetizer for a magnetic head of a cassette tape recorder |
| 07/18/1989 | US4849842 Method for the manufacture of a mechanically shielding layer for a magnetic read/write head, and magnetic read/write head using this method |
| 07/18/1989 | US4849841 Transducer head core structure with recessed magnetic closures |
| 07/18/1989 | US4849840 Carriage device for floppy disk apparatus having head arm with regulating material |
| 07/18/1989 | US4849839 Magnetic tape recording and/or reproducing apparatus rotary head assembly having sweeping device |
| 07/18/1989 | US4849837 Method of, and apparatus for, recording audio signals using recording signals free of audio frequencies |
| 07/18/1989 | US4849834 Read channel architecture for processing read head signals |
| 07/18/1989 | US4849832 Reproducing apparatus with erasing device and erasing function based on frequency multiplexed and/or DPSK coded signal |
| 07/18/1989 | US4849618 Magnetic medium for magnetic embossment and magnetic card using the same |
| 07/18/1989 | US4849305 Lubricant layer, adhesion promoting layer |
| 07/18/1989 | US4849291 Protective layer of perfluoroalkyl methanol ester of (meth)acrylic acid copolymer with (meth)acrylic acid |
| 07/18/1989 | US4849250 Method and apparatus for producing magnetically oriented films on substrates |
| 07/18/1989 | US4847984 Method of assembling a flexible circuit magnetic core winding onto a core member |
| 07/18/1989 | US4847983 Method of making a crystallized glass-bonded amorphous metal magnetic film-non-magnetic substrate magnetic head |
| 07/13/1989 | WO1989006425A1 Inline magnetic head assembly for use in a cassette loaded recorder |
| 07/13/1989 | WO1989006422A1 Thin-film magnetic head and method of producing the same |
| 07/13/1989 | WO1989006421A1 Magnetic head with constant area wear profile |
| 07/13/1989 | WO1989006420A1 Contoured head assembly for use in a cassette loaded recorder |
| 07/12/1989 | EP0323704A2 Thin film magnetic head |
| 07/12/1989 | CN1033892A Magnetic light recorder |
| 07/11/1989 | US4847727 Magnetic memory disc purge erase apparatus |
| 07/11/1989 | US4847718 Cassette with erasing means |
| 07/11/1989 | US4847715 Magnetic head having short distance between gaps for recording reproducing and erasing |
| 07/11/1989 | US4847714 Magnetic head adjusting device for a double cassette tape player |
| 07/11/1989 | US4847707 Rotary head type reproducing apparatus with crosstalk reduction |
| 07/11/1989 | US4847706 Control circuit for double deck cassette tape recorder |
| 07/11/1989 | US4847704 Disk driving device |
| 07/11/1989 | US4847584 Magnetoresistive magnetic sensor |
| 07/11/1989 | US4847561 Domain and domain wall transition spectroscopy |
| 07/11/1989 | US4847161 Computers, storage |
| 07/11/1989 | US4847156 Multilayer video tapes |
| 07/11/1989 | US4847147 Magnetic recording medium |
| 07/11/1989 | US4847109 Vapor deposition of magnetic tapes |
| 07/11/1989 | US4846948 Iron, silicon, aluminum alloy on a substrate, sputtering |
| 07/11/1989 | US4846942 Samarium, cobalt alloy from chloride salts |
| 07/11/1989 | CA1257388A1 Flexible magnetic diskette |
| 07/11/1989 | CA1257387A1 Miniaturized tape cartridge drive and data processors |
| 07/06/1989 | DE3744203A1 Device in a magnetic-tape apparatus for securing a head wheel disc |
| 07/05/1989 | EP0323289A2 Magnetic disc drive |
| 07/05/1989 | EP0323188A2 Magnetic recording and reproducing head unit |
| 07/05/1989 | EP0323154A2 Data transducer position control system for disk storage drive system |
| 07/05/1989 | EP0322895A2 Methods and compositions for electroless plating of magnetic recording media |
| 07/05/1989 | EP0322826A1 Magnetic recording medium |
| 07/05/1989 | EP0322817A2 Recording method for magnetoptical disk and apparatus therefor |
| 07/05/1989 | EP0322420A1 Magnetic recording material. |
| 07/05/1989 | CN1033654A Method of manufacturing sputtering target, sputtering target manufactured thereby and magnetooptic recording medium manufactured by using the same |
| 07/04/1989 | US4845576 Magnetic recording/reproduction apparatus |
| 07/04/1989 | US4845573 System with filter system for improved reliability for recording data on a magnetic recording medium |
| 07/04/1989 | US4845417 Driver for stepping motor |
| 07/04/1989 | US4844991 Fatty acid or salt oriented vertically to plane of film |
| 07/04/1989 | US4844978 Multilayer-substrate, ferromagnetic metal and overcoating |
| 07/04/1989 | US4844977 Heat resistant magnetic alloy on support |
| 07/04/1989 | US4844963 Magentic filler in resin solution on substrate |
| 07/04/1989 | US4844946 Method for preparing a magnetic recording medium |
| 07/04/1989 | CA1256992A1 Microfloppy disc drive head cleaner |
| 07/04/1989 | CA1256855A1 Lubricating compositions having improved film-forming properties |
| 07/04/1989 | CA1256747A1 Aromatic polyester molding |
| 06/29/1989 | WO1989006054A2 Method for producing hall effect sensor for magnetic recording head |
| 06/29/1989 | WO1989006035A1 Low drag stabilizer device for stabilizing the interface between a transducer and a moving medium |
| 06/28/1989 | EP0322078A1 Decoding device for a record carrier provided with a multi-track data pattern which includes error protection data, and player comprising such a decoding device |