| 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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| 01/08/1991 | US4984113 Information storage and reproduction apparatus and method employing a flexible belt record member |
| 01/08/1991 | US4984104 Apparatus for recording an information signal at a second part of a given track by sampling and holding a tracking control signal used for tracking at a first part of the given track |
| 01/08/1991 | US4984103 Method for reading/writing for a floppy disc drive with buffer memory |
| 01/08/1991 | US4984102 Information signal recording apparatus and apparatus for reproducing the same |
| 01/08/1991 | US4984101 Record medium |
| 01/08/1991 | US4984100 Magnetic disk apparatus |
| 01/08/1991 | US4983465 Thin film magnetic head |
| 01/08/1991 | US4983455 Corrosion resistance, smooth running |
| 01/08/1991 | US4983421 Method for producing magnetic recording media |
| 01/08/1991 | US4983311 Binder is vinyl chloride copolymer containing hydroxyl group containing unsaturated ether |
| 01/08/1991 | US4982687 Applying a liquid |
| 01/08/1991 | CA1278859C Method for fabrication a multiple-head magnetic transducer |
| 01/08/1991 | CA1278820C Adjustable degausser |
| 01/08/1991 | CA1278770C Magnetic alloy thin film |
| 01/04/1991 | CA2020263A1 Magnetic recording medium and method of manufacture therefor |
| 01/03/1991 | DE3921765A1 Stabilising flywheel for spacecraft - is combined with disc for data recording with separate movable write-read head |
| 01/03/1991 | DE3921182A1 Magnetic data recording system - has head with thin film structure providing optimum field |
| 01/03/1991 | DE3920808A1 Head drum for video recorder - has flat form built into drum with short axial length |
| 01/02/1991 | EP0406123A2 Still/slow circuit for a VCR with two heads |
| 01/02/1991 | EP0406060A1 Magnetoresistive effect transducer |
| 01/02/1991 | EP0406052A1 Method for making a multitrack magnetic head and multitrack magnetic head |
| 01/02/1991 | EP0406051A1 Hall effect magnetic nead head |
| 01/02/1991 | EP0405900A2 Methods of manufacturing magnetic heads |
| 01/02/1991 | EP0405413A1 Magnetic recording medium |
| 01/02/1991 | EP0405309A1 Highly coercive magnetic strip |
| 01/02/1991 | CN2068717U 磁头 Magnetic head |
| 01/02/1991 | CN2068716U Portable supper low voice radio |
| 01/02/1991 | CN1048279A Recording device for recording optically detectable information pattern on record carrier |
| 01/02/1991 | CN1011111B Apparatus for digital signal playback |
| 01/02/1991 | CN1011094B Rotational magnetic head device |
| 01/01/1991 | US4982302 Heating |
| 01/01/1991 | US4982301 Magnetic head for perpendicular magnetic recording system and process |
| 01/01/1991 | US4982300 Restrictively damped actuator mount for disc drives |
| 01/01/1991 | US4982298 Adaptive velocity profile system for a disk drive head |
| 01/01/1991 | US4982297 Head positioning system for compensating for erroneous detection of recorded position error information |
| 01/01/1991 | US4982296 Head and disk assembly for fixed disk drive |
| 01/01/1991 | US4982295 Method for centering a read/write head of a magnetic data storage apparatus on a track of a magnetic disk |
| 01/01/1991 | US4982076 Magnetic recording medium |
| 01/01/1991 | US4982065 Method of producing a core for magnetic head |
| 01/01/1991 | US4981741 Coating alloy |
| 01/01/1991 | US4981719 Process for the production of a magnetic recording material |
| 12/27/1990 | WO1990016063A1 Multitrack recording magnetic head with a compact matrix structure |
| 12/27/1990 | WO1990016062A2 Integrated magnetic recording head |
| 12/27/1990 | WO1990015986A1 Microfabricated microscope assembly |
| 12/27/1990 | EP0404741A1 Low wear closure glass for magnetic tape heads |
| 12/27/1990 | EP0404383A2 Apparatus for recording and reproducing video signals of high resolution image |
| 12/27/1990 | EP0404340A2 Lithographic technique using laser scanning for fabrication of electronic components and the like |
| 12/27/1990 | EP0404333A2 Low friction macromolecular materials for coating disk and head surfaces |
| 12/27/1990 | EP0404332A2 Three-pole magnetic head with reduced flux leakage |
| 12/27/1990 | EP0404251A1 Recording device for recording an optically detectable information pattern on a record carrier |
| 12/27/1990 | EP0265487A4 Magnetically controlled scanning magnetic head tracking control system |
| 12/27/1990 | CA1278399C Vinyl chloride resins and compositions incorporating such resins |
| 12/27/1990 | CA1278377C Track following servo for higher density disk files |
| 12/27/1990 | CA1278179C Electrophoretic method of producing high-density magnetic recording media and a composition and a suspension for practicing the same |
| 12/26/1990 | CN1010998B Disc drive compatible tape cartridge |
| 12/26/1990 | CN1010997B Magnetic recording and reproducing apparatus |
| 12/26/1990 | CN1010995B Method and apparatus for recoding a digital signal |
| 12/26/1990 | CN1010994B Cassette tape recording and reproducing apparatus |
| 12/26/1990 | CN1010993B Magnetic tape recording and/or reproducing apparatus with rotary head assembly |
| 12/26/1990 | CN1010992B Coding mode for high-density digital recording in multiple tracks |
| 12/26/1990 | CA2019733A1 Magnetic recording medium |
| 12/25/1990 | US4980876 In a disk storage system |
| 12/25/1990 | US4980788 Thin-film-type magnetic head device |
| 12/25/1990 | US4980787 Mass-balanced magnetic head assembly for a floppy disk drive |
| 12/25/1990 | US4980784 Magnetic disk apparatus |
| 12/25/1990 | US4980783 Apparatus for automatically applying servo track data to a selected servo surface of a hard disk within a hard disk assembly |
| 12/25/1990 | US4980230 Magnetic recording medium |
| 12/25/1990 | US4980199 Process for producing a magnetic recording medium |
| 12/25/1990 | US4980198 Laser CVD and plasma CVD of CrO2 films and cobalt doped CrO2 films using organometallic precursors |
| 12/25/1990 | US4979691 Contact printer |
| 12/23/1990 | CA2015151A1 Three-pole magnetic head with reduced flux leakage |
| 12/19/1990 | EP0403275A2 A magnetic recording medium |
| 12/19/1990 | EP0403076A2 Magnetic medium for longitudinal recording |
| 12/19/1990 | EP0403001A2 Magnetic tape apparatus with a magnetic head |
| 12/19/1990 | EP0402913A2 Magnetic disk substrate and method of manufacturing the same |
| 12/19/1990 | EP0402912A2 Disk memory system |
| 12/19/1990 | EP0402880A2 Method for manufacturing multiturn thin film coil |
| 12/19/1990 | EP0402568A2 Method of manufacturing a titanium magnetic disk substrate |
| 12/19/1990 | EP0402538A1 Erasing device for a relatively moving magnetic layer memory |
| 12/19/1990 | EP0328556A4 Spherical pivoting actuator for read/record head |
| 12/18/1990 | US4979158 Bias magnetic field abnormality detecting apparatus which controls recording and erasing of information |
| 12/18/1990 | US4979064 Magnetic recording/playback head comprising a superconducting material |
| 12/18/1990 | US4979063 Design for an actuator arm for a disc drive |
| 12/18/1990 | US4979059 System for storing data in a separate memory when the number of positioning errors of a magnetic disc exceeds a threshold |
| 12/18/1990 | US4979053 Method of controlling recording magnetic field applied by gap of magnetic head in accordance with recording density of disk and magnetic apparatus therefor |
| 12/18/1990 | US4979052 Digital signal magnetic recording/reproducing apparatus |
| 12/18/1990 | US4979051 For writing servo signals onto a magnetic medium |
| 12/18/1990 | US4979046 Magnetic recording and reproducing apparatus for recording upper-sidebond-eliminated FM signal |
| 12/18/1990 | US4978916 Method for magnetically characterizing the recording layer of a magnetic information carrier, and apparatus for performing the method |
| 12/18/1990 | US4978902 Synchronous rotation control system of magnetically recording disk |
| 12/18/1990 | US4977666 Method of forming a coil on a core |
| 12/16/1990 | WO1990016064A1 A gear-wheel drive for a cleaning cassette for use in cassette tape recorders |
| 12/16/1990 | CA2056615A1 Gear-wheel drive for a cleaning cassette for use in cassette tape recorders |
| 12/16/1990 | CA2018915A1 Magnetic disk substrate and method of manufacturing the same |
| 12/16/1990 | CA2010355A1 Method of manufacturing a titanium magnetic disk substrate |
| 12/12/1990 | EP0402065A2 Magnetic recording medium |
| 12/12/1990 | EP0401983A1 Thin film device for rotational magnetic flux conduction |
| 12/12/1990 | EP0401905A2 Magnetic tape apparatus with a magnetic head |
| 12/12/1990 | EP0401836A1 A composite substrate |
| 12/12/1990 | EP0401835A1 A magnetic material |