| 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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| 06/16/1987 | US4673610 Magnetic recording medium having iron nitride recording layer |
| 06/16/1987 | US4673602 Composite substrate plate for magnetic or optical disk and process for production thereof |
| 06/16/1987 | US4673591 Production of layer-type magnetic recording media |
| 06/16/1987 | US4673590 Abrasion or calendering support, coating with radiation polymerized layer and magnetic layer |
| 06/16/1987 | US4673357 Teaching machine |
| 06/16/1987 | US4672913 Apparatus for making magnetic recording medium |
| 06/16/1987 | EP0225801A1 Optical devices |
| 06/16/1987 | CA1223066A1 Apparatus for recording and reproducing information on a record carrier in the form of a tape |
| 06/16/1987 | CA1223064A1 Doublet detector for data recording or transmission |
| 06/11/1987 | DE3543254A1 Recording medium in disc form for vertical magnetisation |
| 06/10/1987 | EP0225141A2 Magneto-optical recording media |
| 06/10/1987 | EP0225124A2 Lightweight rigid compact configuration for the voice coil carriage and printed circuit cable in a disc drive |
| 06/10/1987 | EP0225030A1 Radiation curable phosphorate ester compounds and magnetic recording medium incorporating cured phosphorate ester |
| 06/10/1987 | EP0224978A2 Silicone polymer-coated powder or particulate material |
| 06/10/1987 | EP0224929A2 Apparatus and method for preventing unauthorized dubbing of a recording signal |
| 06/10/1987 | EP0224852A2 Construction for installing a stepping motor of a floppy disk drive unit |
| 06/09/1987 | US4672594 Magneto-optical recording system utilizing a leakage magnetic field of focusing actuator |
| 06/09/1987 | US4672496 Magnetic head having electromechanical transducer disposed at one end thereof |
| 06/09/1987 | US4672495 Thin-film magnetic head |
| 06/09/1987 | US4672494 Magnetic head for effecting perpendicular magnetic recording |
| 06/09/1987 | US4672493 Thin-film magnetic head with a double gap for a recording medium to be magnetized vertically |
| 06/09/1987 | US4672492 Magnetic head assembly for tape recorders having reversible tape motion |
| 06/09/1987 | US4672491 Apparatus for positioning objects of low mass, in particular magnetic heads |
| 06/09/1987 | US4672490 Recording and reproducing device for magnetic disc including a head damping device |
| 06/09/1987 | US4672489 Head rotation apparatus for video tape recorder |
| 06/09/1987 | US4672487 Magnetic disk memory having a disk pack hub seated at both sides of a disk pack |
| 06/09/1987 | US4672480 Apparatus for recording digital data of various kinds on a slant track of a recording tape |
| 06/09/1987 | US4672477 Cassette tape deck |
| 06/09/1987 | US4672468 Magnetic recording apparatus with recording of first and second sound signals |
| 06/09/1987 | US4672467 Low cross-talk system for recording digitally coded color television signals on magnetic tape |
| 06/09/1987 | US4672009 Magnetic recording medium with vertically oriented magnetic particles |
| 06/09/1987 | US4672002 Magnetic recording medium |
| 06/09/1987 | US4671999 Magnetic recording media having perfluoropolyether coating |
| 06/09/1987 | US4671998 Magnetic recording medium |
| 06/09/1987 | US4671995 Containing phosphate ester antistatic agent |
| 06/09/1987 | US4671993 Magnetic recording medium |
| 06/09/1987 | US4671978 Protective coating around central circular hole comprising radiation poly,erized polymer and matting agent |
| 06/09/1987 | US4671971 Process for manufacturing a magnetic recording medium |
| 06/09/1987 | US4671969 Production of layer-type magnetic recording media |
| 06/09/1987 | US4671885 Process for the preparation of magnetized hexagonal ferrites, use of these ferrites as base materials for magnets or for magnetic recording |
| 06/09/1987 | US4671828 Magnetic thin film |
| 06/09/1987 | US4671145 Method and apparatus for the surface machining of substrate plates for magnetic memory plates |
| 06/09/1987 | US4670972 Method for making magnetic heads |
| 06/09/1987 | CA1222816A1 Magnetic erasing head |
| 06/04/1987 | WO1987003413A1 Magnetic recording media |
| 06/04/1987 | WO1987003412A1 Detection and amplification circuit |
| 06/04/1987 | DE3640093A1 Magnetic recording medium |
| 06/04/1987 | DE3542242A1 Process for producing magnetic heads |
| 06/03/1987 | EP0224403A1 Process for manufacturing a magnetic transducer made up of several heads |
| 06/03/1987 | EP0224379A2 Compensation method to correct thermally induced off-track errors in disc drives |
| 06/03/1987 | EP0224378A2 Means for parking read/write heads in a disc drive using the back-emf of the spindle motor to operate a stepper motor |
| 06/03/1987 | EP0224342A2 A magnetic head for recording and playback |
| 06/03/1987 | EP0224321A1 Magnetic recording apparatus for recording two kinds of mutually different information signals on independent tracks of a magnetic tape |
| 06/03/1987 | EP0224211A2 Head wheel arrangement for a recorder |
| 06/03/1987 | EP0224186A2 Tracking control method and device in rotary head type magnetic recording and reproducing apparatus |
| 06/03/1987 | EP0223984A1 Thin film magnetic head with main and auxiliary poles for perpendicular magnetization |
| 06/03/1987 | EP0223933A2 Process for producing magnetic heads |
| 06/02/1987 | US4670865 Method of recording information on magneto-optic information storage medium |
| 06/02/1987 | US4670807 Magnetic write head with smooth frequency response |
| 06/02/1987 | US4670806 Self loading slider for magnetic recording heads |
| 06/02/1987 | US4670805 Sintered body for magnetic head and process for producing the same |
| 06/02/1987 | US4670804 Expandable suspension for a read/write head in a disk file |
| 06/02/1987 | US4670800 Edge guided magnetic tape tracking |
| 06/02/1987 | US4670799 Erasing apparatus |
| 06/02/1987 | US4670797 Method of magnetically recording coded digital video signals and an apparatus therefor |
| 06/02/1987 | US4670796 Rotary head type PCM recorder |
| 06/02/1987 | US4670732 Electrical lapping guide resistor |
| 06/02/1987 | US4670356 Multilayer-recording media containing rare earth and transition metals |
| 06/02/1987 | US4670340 Magnetic recording medium and method |
| 06/02/1987 | US4670337 Containing abrasive particles |
| 06/02/1987 | US4670333 Backing layer containing fatty acid and copper or copper compound |
| 06/02/1987 | US4670323 Magneto-optic recording medium having a metal oxide recording layer |
| 06/02/1987 | US4670322 Metal oxide magnetic substance and a magnetic film consisting thereof and their uses |
| 06/02/1987 | US4670319 Polyester film for magnetic recording media |
| 06/02/1987 | US4670316 Thermo-magnetic recording materials supporting small stable domains |
| 06/02/1987 | US4670177 Oxidation |
| 06/02/1987 | US4670072 Attaching film to support, stretching, deflecting bonding |
| 06/02/1987 | US4669328 Feed mechanism |
| 05/27/1987 | EP0223610A2 Thermal isolation of the voice coil motor from base plate and carriage guide rails of a disc drive |
| 05/27/1987 | EP0223530A2 Method of recording on magnetooptical disc |
| 05/27/1987 | EP0223236A2 Magnetic-tape apparatus |
| 05/27/1987 | EP0223172A2 Method for recording signals on a magnetic tape |
| 05/27/1987 | EP0223050A2 Fine isometric hexaferrite pigments, process for preparing same and use thereof |
| 05/27/1987 | EP0222985A2 MIG magnetic head for video recording |
| 05/27/1987 | EP0222916A1 External magnetic field reversing apparatus for photomagnetic disks |
| 05/27/1987 | EP0222820A1 Flux sensitive tracking. |
| 05/27/1987 | EP0222794A1 Flux sensitive tracking |
| 05/27/1987 | DE3541293A1 Erasing method for magnetic, moved, sheet-like information stores |
| 05/27/1987 | CN86105946A Expandable suspension for supporting a slider and moving it to the disk in a data recording disk file |
| 05/26/1987 | US4669022 Magnetic-tape scanning device with improved rating transformer mounting and method of manufacturing such a device |
| 05/26/1987 | US4669017 Cleaning cassette |
| 05/26/1987 | US4669016 Thin layered magnetic head |
| 05/26/1987 | US4669015 Multiple gap magnetic reading head |
| 05/26/1987 | US4669014 Alignment system for magnetic disc drive |
| 05/26/1987 | US4669013 Multiple coils for reduction of stray magnetic fields in disk file actuators |
| 05/26/1987 | US4669012 Head apparatus for a cassette tape recorder |
| 05/26/1987 | US4669011 Slider assembly with dynamically positionable transducer |
| 05/26/1987 | US4669010 Floppy disk drive |
| 05/26/1987 | US4669009 Floppy disc recording and/or reproducing apparatus having a loading mechanism for loading a cartridge which accomodates a floppy disc |
| 05/26/1987 | US4669007 Magnetic recording/reproducing apparatus |