| 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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| 01/07/1988 | EP0251274A2 A recording/reproducing system for a magnetic recording medium |
| 01/07/1988 | EP0251023A2 A circuit for biasing a magnetoresistive sensor and amplifying signals produced thereby |
| 01/07/1988 | EP0250812A2 Process for manufacturing a magnetic head |
| 01/07/1988 | EP0250616A1 Process for the preparation of spherical alpha-aluminium oxide particles, aluminium oxide particles and their use |
| 01/07/1988 | EP0250560A1 Magnetic recorder medium having discrete magnetic storage and saturable layers and magnetic signal processing apparatus and method using the medium |
| 01/07/1988 | DE3721043A1 Videosignal-verarbeitungssystem fuer ein doppellaufwerk-videobandgeraet A video signal processing system for a double-drive-videobandgeraet |
| 01/06/1988 | CN85104393B Reproducing device with multiple-tracked magnetic head and the multiple-tracked magnetic head-tracking and controlling method |
| 01/05/1988 | US4717978 Screw shaft adjustment means for a magnetic disk drive unit |
| 01/05/1988 | US4717975 Erasing device |
| 01/05/1988 | US4717974 Waveguide apparatus for coupling a high data rate signal to and from a rotary head scanner |
| 01/05/1988 | US4717866 Stepping motor excitation sequences |
| 01/05/1988 | US4717623 Radiation-curable coating compositions applied to fluorine-treated surfaces |
| 01/05/1988 | US4717622 Magnetic recording media |
| 01/05/1988 | US4717603 Applying a magnetic recording substance |
| 01/05/1988 | US4717592 Cobalt-chromium layer formed by vacuum deposition or sputtering |
| 01/05/1988 | US4717584 Method of manufacturing a magnetic thin film |
| 01/05/1988 | US4717493 Preparation of magnetic coating |
| 01/05/1988 | US4716783 Intermittent gear lock mechanism |
| 01/05/1988 | US4716776 Rotary to linear converter with lead screw |
| 01/05/1988 | CA1231173A1 Helical band drive for disc storage apparatus |
| 12/30/1987 | WO1987007975A1 Magnetic head |
| 12/29/1987 | US4716485 Cartridge-shaped cleaning device with a rotable cleaning assembly |
| 12/29/1987 | US4716484 Magnetic head comprising a core formed of small and large thin film patterns |
| 12/29/1987 | US4716483 Three piece head actuator arm assembly for disc drive |
| 12/29/1987 | US4716482 Head actuator limit stop assembly for a disk memory drive |
| 12/29/1987 | US4716480 Carriage latch for a disc drive |
| 12/29/1987 | US4716479 Magnetic disk head opening mechanism with an expanded opening range |
| 12/29/1987 | US4716478 Two point attachment with single point clamping for connecting the arm stack to the actuator member in a disc memory drive |
| 12/29/1987 | US4716476 Tape recording apparatus |
| 12/29/1987 | US4716078 Magnetic particles on smooth carbon substrate |
| 12/29/1987 | US4716077 Magnetic recording medium |
| 12/29/1987 | US4716076 Mixture of magnetic powder of iron oxide and chromium dioxide with carbon black |
| 12/29/1987 | US4716063 Transfer layer is composed of unsaturated cycloacetal compound, mercapto compound, and (meth)acrylic ester |
| 12/29/1987 | US4715977 Good rheology |
| 12/23/1987 | EP0250205A2 Reaction product of phosphate-ester and alkoxysilan |
| 12/23/1987 | EP0250138A1 Servo system for a hard disk drive |
| 12/23/1987 | EP0250112A2 Alkyl acrylate copolymers, recording media containing such copolymers and method of production of such copolymers and recording media |
| 12/23/1987 | EP0249995A1 Head positioning system for floppy disk drives |
| 12/22/1987 | US4714969 Method and apparatus for erasing a signal recorded on a magnetic disk |
| 12/22/1987 | US4714967 Binarily related variable rate recorder |
| 12/22/1987 | US4714866 Rate-of-change signal generator using sampling techniques |
| 12/22/1987 | US4714654 Magnetic recording medium |
| 12/22/1987 | US4714641 Copper substrate with iron or iron oxides dispersed therein |
| 12/22/1987 | CA1230677A1 Magneto-optical file memory |
| 12/16/1987 | EP0249482A2 Magnetic recording and/or reproducing apparatus having modes with mutually different carrier frequencies |
| 12/16/1987 | EP0249222A1 Radiation curable resin |
| 12/16/1987 | EP0249216A2 Magnetic recording medium and method of manufacturing the same |
| 12/16/1987 | EP0249064A2 Disk drive optimized channel circuit |
| 12/16/1987 | EP0249062A2 Disk drive actuator velocity limiting circuit |
| 12/16/1987 | EP0248945A2 Method of transferring an information code onto the synchronizing track of a video tape, circuit arrangement for carrying out the method and video tape manufactured in accordance with the method |
| 12/16/1987 | EP0248897A1 Method and apparatus for magnetic transducing |
| 12/15/1987 | US4713713 Cleaning tape cartridge used in videotape recorders |
| 12/15/1987 | US4713712 Cassette type cleaning device for the cleaning of playing/recording head, erasing head, and capstan/pinch roller |
| 12/15/1987 | US4713711 Thin film magnetic transducer having center tapped winding |
| 12/15/1987 | US4713710 Compact multiple magnetic head apparatus |
| 12/15/1987 | US4713709 Twin head for electronic still camera and a method for making the same |
| 12/15/1987 | US4713708 Magnetoresistive read transducer |
| 12/15/1987 | US4713707 Tracking mount for a contactless recording and/or reproducing head |
| 12/15/1987 | US4713706 Device for mounting magnetic head |
| 12/15/1987 | US4713705 Means and methods for improved transducing of flexible disk packs |
| 12/15/1987 | US4713703 Information recording and reproducing apparatus |
| 12/15/1987 | US4713700 A recording circuit having means to automatically set the recording current of a magnetic recording head |
| 12/15/1987 | US4713297 Lamellar magnetic core utilizing low viscosity epoxy adhesive |
| 12/15/1987 | US4713293 Fatty acid and ester lubricants; ferromagnetic metal powders pretreated with surfactants |
| 12/15/1987 | US4713288 Ferromagnetic, organic, carbon layers, durable |
| 12/15/1987 | US4713287 Magnetic recording medium |
| 12/15/1987 | US4713279 Magnetic recording medium |
| 12/15/1987 | US4713278 Magnetic recording medium |
| 12/15/1987 | US4713262 Evaporating magnetic metal onto tape substrate |
| 12/15/1987 | US4713261 Method for preparing ferromagnetic iron oxide particles |
| 12/15/1987 | CA1230417A1 Magnetic head assembly with decreased setting time of adhesives |
| 12/15/1987 | CA1230307A1 Conveyor system |
| 12/10/1987 | DE3618661A1 Head wheel arrangement for a recorder |
| 12/09/1987 | EP0248650A2 Magnetic disc device |
| 12/09/1987 | EP0248556A2 Abrasion resistant magnetic recording member |
| 12/09/1987 | EP0248467A1 Magnetic head |
| 12/09/1987 | EP0248402A2 Magnetic recording medium and production thereof |
| 12/09/1987 | EP0248092A1 Method for monitoring the performance of the head-disc-interface and device for preventing data losses due to magnetic head-disc-interferences |
| 12/09/1987 | CN87103907A Magnetic thin film and magnetic head useing this magnetic thin film |
| 12/09/1987 | CN87103343A 录音机 Recorder |
| 12/08/1987 | US4712203 Method and apparatus for thermo magnetic recording/erasing information with preselected magnetic field switching |
| 12/08/1987 | US4712146 Thin and compact micro-Winchester head and disk assembly |
| 12/08/1987 | US4712145 Operating mechanism for small portable cassette tape player |
| 12/08/1987 | US4712144 Method and apparatus for reading recorded data by a magnetoresistive head |
| 12/08/1987 | US4712064 Magnetoresistive sensor for detecting position or speed of a ferromagnetic body |
| 12/08/1987 | US4711924 Carboxylic acid-grafted phenoxy resins |
| 12/08/1987 | US4711819 Magnetic recording medium |
| 12/08/1987 | US4711817 Carboxylic acid-grafted phenoxy resins |
| 12/08/1987 | US4711814 Microspheres with thin coatings of silver; then gold |
| 12/08/1987 | US4711810 Magnetic medium for horizontal magnetization recording and method for making same |
| 12/08/1987 | US4711809 Magnetic recording medium |
| 12/08/1987 | US4711018 Method of manufacturing a magnetic head core |
| 12/08/1987 | CA1230177A1 Head moving apparatus using stepping motor |
| 12/08/1987 | CA1230060A2 High fidelity stereophonic reproduction system |
| 12/03/1987 | WO1987007422A1 Magneto-optical disk |
| 12/03/1987 | DE3618427A1 Process for producing magnetic heads |
| 12/03/1987 | DE3618236A1 Method and device for the electronic processing of stored video signals |
| 12/02/1987 | EP0247991A1 Method and apparatus for the multichannel detecting and digital recording of low-frequency physiological signals having a small amplitude |
| 12/02/1987 | EP0247872A2 Magnetic head assembly for a flexible magnetic disk drive unit |
| 12/02/1987 | EP0247868A2 Magnetic film and magnetic head using the same |