| 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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| 09/13/1988 | US4770941 Ferromagnetic particles dispersed in polymer of vinyl chloride, vinyl alcohol, vinyl carboxylate, amine-modified vinyl, epoxy containing monomer |
| 09/13/1988 | US4770933 Magnetic recording medium |
| 09/13/1988 | US4770932 Magnetic recording medium having an improved back coat layer |
| 09/13/1988 | US4770924 Multilayer ferromagnetic thin film with different oxygen concentration |
| 09/13/1988 | US4770923 Protection film structure for functional devices |
| 09/13/1988 | US4770903 Ferric oxide core with a cobalt ferrite shell |
| 09/13/1988 | US4769899 Method for making a twin head for electronic still camera and a method for making the same |
| 09/13/1988 | US4769898 Method of producing a magnetic head |
| 09/13/1988 | CA1241813A1 Method and apparatus for calendering magnetic tapes |
| 09/08/1988 | DE3705930A1 Circuit arrangement for recording broadband signals onto magnetic tape |
| 09/07/1988 | WO1988006790A1 Wipers for pair of stabilized magnetic disks |
| 09/07/1988 | WO1988006789A1 Crash-prevention for disk drive positioning system |
| 09/07/1988 | WO1988006784A1 Controlled drag for magnet actuator |
| 09/07/1988 | WO1988006783A1 Magnetic tape recorder with device for non-contact transmission of signals between two component parts moving in relation to each other |
| 09/07/1988 | WO1988006782A1 Scanning device for a helical-scan magnetic tape recorder |
| 09/07/1988 | WO1988006780A1 Hard disk drive module and receptacle therefor |
| 09/07/1988 | WO1988005955A3 Improved production of pre-recorded tape cassettes |
| 09/07/1988 | EP0281348A2 Process for producing a magnetic head |
| 09/07/1988 | EP0281009A2 Signal processing circuit |
| 09/06/1988 | US4769733 Wipers for pair of stabilized magnetic disks |
| 09/06/1988 | US4769729 Magnetic head having ferromagnetic amorphous alloy multi-layered film |
| 09/06/1988 | US4769728 Magnetic head having ceramic coupling body |
| 09/06/1988 | US4769727 Self-loading magnetic head slider |
| 09/06/1988 | US4769725 Servo head positioner using VCO and counter for digitizing position information |
| 09/06/1988 | US4769724 Magnetic head drive apparatus which uses a common current source for the read/write head and the erasing head |
| 09/06/1988 | US4769722 Apparatus for recording and reproducing a video signal and for recording and reproducing a PCM audio signal on forward and reverse tape travelling directions |
| 09/06/1988 | US4769293 Magnetic recording medium and production thereof |
| 09/06/1988 | US4769282 Nickel-cobalt series, metals, rare earth elements, oxygen and impurities |
| 09/06/1988 | US4769281 Magnetic recording medium and method of manufacturing the same |
| 09/06/1988 | US4769165 Process for synthesis of ferromagnetic chromium dioxide |
| 09/06/1988 | US4769093 Magnetoresistive device |
| 09/06/1988 | CA1241742A1 Diskette having wear-resistant magnetizable layer |
| 09/06/1988 | CA1241741A1 Variable impedance contrast in data storage media |
| 09/06/1988 | CA1241739A1 Magnetic recording and reproducing apparatus for recording and reproducing a video signal obtained from a high speed scanning video camera |
| 08/31/1988 | EP0280438A2 Method for manufacturing a magnetic disk and the resulting disk |
| 08/31/1988 | EP0280326A2 System and method for using a floppy disk controller for various types of floppy disk drives |
| 08/31/1988 | EP0280163A2 Method for track finding in a recording apparatus |
| 08/31/1988 | EP0279843A1 Surface lubricants for recording surface and method of reducing their depletion. |
| 08/30/1988 | US4768121 Magnetic head formed by composite main pole film and winding core for perpendicular magnetic recording |
| 08/30/1988 | US4768120 Complex magnetic head having non-magnetic center core |
| 08/30/1988 | US4768118 Floating-type magnetic head |
| 08/30/1988 | US4768117 Tape guide drum apparatus having magnetic heads mounted at different height positions |
| 08/30/1988 | US4768115 Computer disc drive system |
| 08/30/1988 | US4768111 Circuit arrangement for shaping an analog read output signal in a rotating mass memory |
| 08/30/1988 | US4768108 Magnetic recording and reproducing system |
| 08/30/1988 | US4768107 High-speed contact printing system with control signal waveform refinement |
| 08/30/1988 | US4768106 Apparatus for recording video and PCM audio signals with insert editing using axially displaced heads |
| 08/30/1988 | US4767958 Stepping motor actuator with two interposed pole tooth pairs |
| 08/30/1988 | US4767657 Polyester films suitable for use in magnetic tapes |
| 08/30/1988 | US4767644 Method of making abrasive tape |
| 08/30/1988 | US4767516 Sputtering, vacuum deposition, seeding, shields, epitaxial |
| 08/30/1988 | US4767483 Forming a repetitive magnetic pattern, orientation, bonding |
| 08/30/1988 | CA1241440A1 Method and apparatus for controlling a deflectable head |
| 08/30/1988 | CA1241439A1 Video tape recorder |
| 08/29/1988 | EP0183699A4 Servo pattern. |
| 08/25/1988 | WO1988006334A1 Surface coating for magnetic head |
| 08/25/1988 | WO1988006333A1 Holding and adjusting device for a rotary magnetic head system |
| 08/25/1988 | WO1988005474A3 Method for preparing reactive metal surface |
| 08/24/1988 | EP0279734A1 Substrate for a magnetic disc memory and process for its production |
| 08/24/1988 | EP0279626A2 Plate-like magnetite particles, plate-like maghemite particles and process for producing the same |
| 08/24/1988 | EP0279613A2 Magnetic recording tape comprising a support film having a high transverse direction modulus |
| 08/24/1988 | EP0279610A2 Method for producing a magnetic head |
| 08/24/1988 | EP0279581A2 Magneto-optic memory |
| 08/24/1988 | EP0279540A2 Method for formatting a disc, method for reading and writing on a disc thus formatted, disc drive with a disc thus formatted and disc thus formatted |
| 08/24/1988 | EP0279537A2 Magnetoresistive sensor and process for its manufacture |
| 08/24/1988 | EP0279536A2 Magnetoresistive head and process for its manufacture |
| 08/24/1988 | EP0279535A2 Head comprising a magnetoresistive sensor |
| 08/24/1988 | EP0279381A2 Magnetic recording medium |
| 08/24/1988 | EP0279195A1 Process for synthesis of ferromagnetic chromium dioxide |
| 08/24/1988 | EP0279132A1 Device for detecting the position of a plurality of magnetic heads |
| 08/24/1988 | CN87212605U Leave word apparatus for quest |
| 08/23/1988 | US4766510 Carriage shift assembly for disc driving device |
| 08/23/1988 | US4766509 Magnetic head assembly |
| 08/23/1988 | US4766508 Data storage system |
| 08/23/1988 | US4766039 Containing silver, gold or platinum; oxidation resistant |
| 08/23/1988 | US4766034 Magnetic recording medium |
| 08/23/1988 | US4765920 High temperature process for producing fine magnetic particles of M-phase structure |
| 08/23/1988 | CA1241111A1 Thin film magnetic transducer having center tapped winding |
| 08/23/1988 | CA1241110A1 Apparatus for recording and reproducing digital signal |
| 08/23/1988 | CA1241058A1 Magnetic reluctance sensing apparatus and method |
| 08/18/1988 | DE3741532A1 Measuring process and measuring circuit for defect analysis of uncoated locations on magnetic tapes |
| 08/18/1988 | DE3703988A1 Halte- und einstellvorrichtung fuer eine drehbare magnetkopfanordnung Retaining and adjustment device for a rotary magnet head arrangement |
| 08/17/1988 | EP0278783A1 Process for stabilization treatment of ferromagnetic metal powders |
| 08/17/1988 | EP0278655A1 Apparatus for use in cleaning a tape head |
| 08/17/1988 | EP0278525A1 Information recording medium and device for preparing the same |
| 08/17/1988 | EP0278506A2 Head slider supporting mechanism for a magnetic disk apparatus |
| 08/17/1988 | EP0278142A1 Process for the manufacture of thin film magnetic transducers |
| 08/17/1988 | EP0278028A1 Process for producing acicular ferromagnetic metallic particles principally consisting of iron |
| 08/17/1988 | EP0277999A1 Method of manufacture of improved particulate recording media and media resulting therefrom |
| 08/17/1988 | EP0277958A1 System and method to improve picture quality during shuttling of video tapes. |
| 08/16/1988 | US4764914 Least squares method and apparatus for determining track eccentricity of a disk |
| 08/16/1988 | US4764913 Signal processing apparatus for disc memory devices |
| 08/16/1988 | US4764834 Thin film magnetic transducer having a separate magnetically conductive layer |
| 08/16/1988 | US4764833 Perpendicular magnetic head |
| 08/16/1988 | US4764832 Iron-silicon-aluminum alloy layer on a nickle-iron alloy |
| 08/16/1988 | US4764831 Apparatus and method for retaining a head arm of a disk drive assembly |
| 08/16/1988 | US4764830 Magnetic head assembly in floppy disk drive |
| 08/16/1988 | US4764829 Magnetic head assembly capable of effectively correcting position error of a head |
| 08/16/1988 | US4764826 Tape cassette and cooperating apparatus |
| 08/16/1988 | US4764819 Method and apparatus for helical scan type magnetic recording and reproducing with a rotary magnetic head |