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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07/03/1991 | EP0435315A2 Magnetic recording medium and process of manufacturing the same |
07/03/1991 | EP0435264A1 Binders for powder and magnetic recording media using same |
07/03/1991 | EP0435255A1 Magnetic disk apparatus |
07/03/1991 | EP0435159A1 Longitudinal magnetic recording medium |
07/03/1991 | EP0435080A1 Antistatic highly adhesive film, process for producing said film, and magnetic card using said film |
07/03/1991 | EP0435054A1 Process and circuit arrangement for recording and for determining the existence and the reproduction of information signals |
07/03/1991 | EP0435002A1 Sealing glass and magnetic head comprising the same |
07/03/1991 | EP0434687A1 Rotating positioning device for magnetic disk memories |
07/03/1991 | EP0237561A4 Audio and video digital recording and playback system |
07/03/1991 | CN2080210U Endless speed measuring and cleaning tape |
07/03/1991 | CN1052743A System for recording/reproducing signals on/from magnetic tape in cassettes |
07/03/1991 | CN1052702A High magnetic conductivity wear-resisting alloy |
07/02/1991 | US5029317 Protection layers |
07/02/1991 | US5029313 Photofinishing apparatus with film information exchange system using dedicated magnetic tracks on film |
07/02/1991 | US5029032 Amorphous alloy thin film, between first core and nonmagnetic spacer |
07/02/1991 | US5029031 Composite type magnetic head assembly with simplified azimuth angle adjustment |
07/02/1991 | US5029030 Rotary actuator system with zero skew angle variation |
07/02/1991 | US5029029 Linear actuator with reduced wear guide way |
07/02/1991 | US5029021 Video recording/reproducing apparatus and method of editing video tape |
07/02/1991 | US5028940 Camera apparatus for magnetically recording on film |
07/02/1991 | US5028683 Electron-beam curable polyurethane compositions; and method |
07/02/1991 | US5028676 Resin for magnetic recording media from vinyl chloride with quanternary and phosphoric monomers |
07/02/1991 | US5028497 Magnetic recording medium utilizing a fungicide |
07/02/1991 | US5028496 Magnetic coated recording medium and method of manfacturing the same |
07/02/1991 | US5028483 Magnetic recording medium comprising acicular dendrite free iron oxide magnetic pigment particles |
07/02/1991 | US5028450 Method and apparatus for coating a thin film web by use of a plurality of pads facing an orifice |
07/02/1991 | US5028305 Terbium-cobalt-iron-chromium alloy containing oxygen |
07/02/1991 | US5028278 Forming silicon compound and transition metal compound layers on iron oxide particle, reduction to the metal, magnetic recording media |
07/02/1991 | US5028269 Co-containing magnetic pigments, processes for the production thereof and the use thereof |
07/02/1991 | US5028242 Lapping member and lapping tape |
07/02/1991 | CA1285651C Restoring and clocking pulse width modulated data |
06/29/1991 | WO1991010229A1 Method and apparatus for cleaning portions of a video cassette recorder |
06/29/1991 | CA2072578A1 Method and apparatus for cleaning portions of a video cassette recorder |
06/27/1991 | WO1991009375A1 Integrated vehicle positioning and navigation system, apparatus and method |
06/26/1991 | EP0434547A1 Multitrack magnetic read head |
06/26/1991 | EP0434261A1 Apparatus for supporting a conductor sleeve in a head gimbal assembly |
06/26/1991 | EP0434230A2 Optical recording medium and method of recording and reproducing information thereon |
06/26/1991 | EP0434134A1 System for recording/reproducing signals on/from magnetic tape in cassettes |
06/26/1991 | EP0433896A2 Low-noise preamplifier stage, in particular for magnetic heads |
06/26/1991 | EP0433894A1 Process for producing magnetic metal powder for magnetic recording |
06/26/1991 | EP0433838A2 Process for the preparation of stabilized chromium dioxide and magnetic recording medium containing this material |
06/26/1991 | EP0174376B1 Heat-resistant film or sheet |
06/26/1991 | CN1052567A 磁盘记录系统 Disk recording system |
06/25/1991 | US5027334 Magneto-optical disk device with movable coil |
06/25/1991 | US5027248 Magnetic recording and reproducing apparatus with a tape guide |
06/25/1991 | US5027247 Film magnetic head for high frequency recording |
06/25/1991 | US5027246 Thin film magnetic head and a method for manufacturing thereof |
06/25/1991 | US5027245 Magnetic head for multi-track recording having read and write transducers formed by thin-film technology |
06/25/1991 | US5027244 Read/write head assembly with erase gaps of meandering shape |
06/25/1991 | US5027243 Self-initialization of short magnetoresistive sensors into a single domain state |
06/25/1991 | US5027242 Magnetic disk apparatus having at least six magnetic disks |
06/25/1991 | US5027241 Data head load beam for height compacted, low power fixed head and disk assembly |
06/25/1991 | US5027240 Disk head assembly load beam |
06/25/1991 | US5027239 Routing a sleeve and conductors in a head-gimbal assembly |
06/25/1991 | US5027238 Floating type magnetic head with flexure cutout |
06/25/1991 | US5027235 Method for controlling a dynamic tracking head of a digital video tape recorder |
06/25/1991 | US5027233 Method for determining servo position data in a disk drive |
06/25/1991 | US5027229 Magnetic recording apparatus and magnetic recording/reproducing apparatus |
06/25/1991 | US5027228 Analog type magnetic recording and reproducing device with digital input/output coupling |
06/25/1991 | US5027223 Electronic still camera |
06/25/1991 | US5026614 Used for high frequency and high density recording heads |
06/25/1991 | US5026605 With copper or manganese compound |
06/25/1991 | US5026598 Magnetic recording medium |
06/25/1991 | US5026577 Magnetic recording medium lubricated with a cholesteric liquid crystal |
06/25/1991 | US5026470 Sputtering apparatus |
06/20/1991 | DE4039852A1 Magnetic disc drive system - has disc stack and thin film magnetic heads to provide large storage capacity |
06/20/1991 | DE4039841A1 Magnetic recording method using QPSK modulation operation - superimposing processed digital audio signal onto analogue components |
06/20/1991 | DE4033095A1 System for recording-reproducing signals on-from magnetic tape |
06/19/1991 | EP0433165A1 Magnetic disc recording apparatus and magnetic disc playback apparatus |
06/19/1991 | EP0433059A2 Disc drive apparatus with tracking servomechanism |
06/19/1991 | EP0433021A2 Floating type magnetic head device |
06/19/1991 | EP0432953A2 A system for sensing and amplifying magnetic field signals |
06/19/1991 | EP0432922A2 An optical apparatus for electrically inter-coupling rotating and stationary devices |
06/19/1991 | EP0432890A2 Magnetoresistive sensor |
06/19/1991 | EP0432877A2 Rotary head actuator for a magnetic disk drive data storage device |
06/19/1991 | EP0432869A2 Head core slider for rigid magnetic disk drive and method of producing the same |
06/19/1991 | EP0432733A2 Flying head slider assembly |
06/19/1991 | EP0432725A2 Biaxially oriented polyester film |
06/19/1991 | EP0432724A1 Biaxially oriented polyester film |
06/19/1991 | EP0432536A2 Magnetic recording medium and method for making it |
06/19/1991 | EP0432387A1 Access authorising or shopping magnetic card with additional optical stripe |
06/19/1991 | CN2079343U Recording letter |
06/19/1991 | CN1052389A Apparatus for demagnetizing magnetic head |
06/19/1991 | CN1052388A Solid state scanning transducer that utilizes low flux densities |
06/19/1991 | CN1012923B Tape recorder |
06/19/1991 | CA2032364A1 System for recording/reproducing signals on/from magnetic tape in cassettes |
06/18/1991 | US5025343 Ferrite cores bonded together, non-magnetic layers interposed between them |
06/18/1991 | US5025342 Thin-film magnetic head device for recording and reproducing |
06/18/1991 | US5025341 Thermo-magnetic recording head |
06/18/1991 | US5025336 Disk drive apparatus |
06/18/1991 | US5025335 Architecture for 21/2 inch diameter single disk drive |
06/18/1991 | US5025329 Electronically controlled magnetic tape editing device |
06/18/1991 | US5025147 Laser light |
06/18/1991 | US5024903 Magnetic recording medium having a magnetic layer of a quaternary alloy |
06/18/1991 | US5024892 Magnetic recording medium having a binder comprising a copolymer which includes a vinyl compound having a dialkylaminoalkyl group |
06/18/1991 | US5024885 Floppy disk having ferromagnetic particles on a nonmagnetic support; durability |
06/18/1991 | US5024854 Partial oxidation of iron, cobalt, nickel, then vapor deposition of mixed metal and oxide particles at room temperature |
06/18/1991 | US5023991 Electrical guide for tight tolerance machining |
06/18/1991 | CA1285067C Carriage latch for a disc drive |
06/18/1991 | CA1284989C Inner perfluoropolyethereal lubricants for magnetic recording media |