| 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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| 01/20/1987 | US4638387 Composition for sliding contact part of recording/reproducing apparatus |
| 01/20/1987 | US4638385 Tape recorder having an improved system for controlling tape travel and magnetic head movement |
| 01/20/1987 | US4638384 Head positioning mechanism for rotating disk data storage system |
| 01/20/1987 | US4638383 Micro hard-disk drive system |
| 01/20/1987 | US4638382 Push-pull amplifier and method for operation, particularly recording amplifier for video tape recorders |
| 01/20/1987 | US4638380 Digital video tape recorder apparatus |
| 01/20/1987 | US4638379 Tracking control system for a video tape recorder |
| 01/20/1987 | US4638378 Fidelity control during operation of duplicator machines |
| 01/20/1987 | US4638230 Bang-bang controlled velocity command generator |
| 01/20/1987 | US4638038 Carboxylic acid-grafted phenoxy resins |
| 01/20/1987 | US4637964 Magnetic recording medium |
| 01/20/1987 | US4637963 Magnetic recording medium and method for making |
| 01/20/1987 | US4637959 Magnetic recording medium |
| 01/20/1987 | US4637953 Magnetooptical recording medium with laminated anti-reflection film |
| 01/20/1987 | CA1216941A1 Thermo-magnetic recording materials supporting small stable domains |
| 01/20/1987 | CA1216940A1 Writing, erasing and readout system for magneto-optic recording medium |
| 01/20/1987 | CA1216936A1 Magnetic recording medium |
| 01/17/1987 | CN85102342A Apparatus for multiple recording and replaying of audio and video siganls |
| 01/17/1987 | CN85101862A 磁头 Magnetic head |
| 01/17/1987 | CN85101121A Recording and/or replaying apparatus for video frequency signal |
| 01/15/1987 | WO1987000381A2 Method and device for the electronic processing of stored video signals |
| 01/14/1987 | EP0208605A2 Improved magnetic head supporting device |
| 01/14/1987 | EP0208556A2 Magnetic tape system with write retry means |
| 01/14/1987 | EP0208549A2 A magneto-optical medium |
| 01/14/1987 | EP0208536A2 Apparatus for recording and/or reproducing an additional information signal |
| 01/14/1987 | EP0208471A2 Magnetic transfer methods |
| 01/14/1987 | EP0208280A2 Positioning device for objects with a low mass, in particular magnetic heads, with regard to a second object, and magnetic-disc memory with such a device |
| 01/14/1987 | EP0208157A1 Device for detecting and testing a magnetic-layer carrier |
| 01/14/1987 | EP0208054A2 A magnetic record disk and a magnetic record disk file |
| 01/14/1987 | CN86201196U Cassette recorder which is able to display characters and figures |
| 01/14/1987 | CN85105245A Magnetic record device |
| 01/13/1987 | US4636902 Crosstalk shielding assembly for addition to one head of a dual magnetic head assembly |
| 01/13/1987 | US4636901 Thin film magnetic head having magnetic layers of different thickness and manufacturing method therefor |
| 01/13/1987 | US4636900 Arrangement for the elimination of crosstalk between data and servo heads |
| 01/13/1987 | US4636899 Method and magnetic head assembly for recording and reproducing control signals |
| 01/13/1987 | US4636898 Multichannel magnetic head |
| 01/13/1987 | US4636897 Perpendicular magnetic recording and reproducing thin film head |
| 01/13/1987 | US4636896 Disk recording and playback apparatus having magnetic head separation device |
| 01/13/1987 | US4636895 Tape head apparatus for a cassette tape recorder |
| 01/13/1987 | US4636894 Recording head slider assembly |
| 01/13/1987 | US4636893 Piezoelectric driven mass storage |
| 01/13/1987 | US4636890 Magnetic tape recorder |
| 01/13/1987 | US4636886 Rotary head recording system |
| 01/13/1987 | US4636885 Servo system for a magnetic disk memory having spiral tracks |
| 01/13/1987 | US4636884 Head positioning control system in magnetic disk device of index servo system |
| 01/13/1987 | US4636883 Magnetic head control apparatus |
| 01/13/1987 | US4636882 Head tracking apparatus |
| 01/13/1987 | US4636876 Audio digital recording and playback system |
| 01/13/1987 | US4636874 System for reproducing information signals on a magnetic tape which incrementally adjusts, in a plurality of steps the speed of the magnetic tape and the positioning and rotational speed of the magnetic head upon a change of mode |
| 01/13/1987 | US4636873 Method and apparatus for recording and reproducing an information signal with a larger tape wrapping angle |
| 01/13/1987 | US4636745 Signal waveform equalizing circuitry |
| 01/13/1987 | US4636448 Smoothness, orientation |
| 01/13/1987 | US4636435 Polymeric thin film, process for producing the same and products containing said thin film |
| 01/13/1987 | US4636433 Ferrite |
| 01/13/1987 | US4636420 Grooved magnetic substrates and method for producing the same |
| 01/10/1987 | CN85101049A 自动跟踪装置 Automatic tracking device |
| 01/08/1987 | DE3620978A1 Magnetic compositions |
| 01/08/1987 | DE3620612A1 Cobalt-modified ferric oxide particles |
| 01/08/1987 | DE3523396A1 Process for producing a magnetic recording material |
| 01/07/1987 | EP0207692A2 A servo control system for centring a transducer head on a data track on a magnetic record |
| 01/07/1987 | EP0207391A2 Process for producing magnetic record carriers |
| 01/07/1987 | EP0207258A1 Greeting-card or the like with an individually recordable integrated sound carrier |
| 01/07/1987 | CN86102817A 磁头 Magnetic head |
| 01/06/1987 | US4635156 Cleaning cassette for magnetic tape apparatus |
| 01/06/1987 | US4635154 Cleaning ribbon and method for cleaning a video player/recorder |
| 01/06/1987 | US4635153 Magnetic transducer head |
| 01/06/1987 | US4635152 Magnetic resonance-type playback apparatus including a magnetic material having magnetic anisotropy |
| 01/06/1987 | US4635151 Rotary actuator having preloaded spring crash stop |
| 01/06/1987 | US4635143 Waveform equalizer for signal reproduced from magnetic recording medium |
| 01/06/1987 | US4635138 Microprocessor controlled reproducing apparatus having asynchronous reproducing capability |
| 01/06/1987 | US4634633 Magnetic recording medium |
| 01/06/1987 | US4634632 Kneading mixture of ferromagnetic particles and vinyl acetate-vinyl alcohol-vinyl chloride polymer, adding rubber |
| 01/06/1987 | US4634627 Wear resistance |
| 01/06/1987 | US4634512 Disk and plug |
| 01/06/1987 | US4634386 Audio-visual teaching apparatus |
| 01/02/1987 | DE3620943A1 Process for joining ceramic elements with glass |
| 01/02/1987 | DE3522375A1 Tape cassette apparatus |
| 12/31/1986 | WO1986007651A1 Magnetic recording medium |
| 12/31/1986 | CN85204647U Multi-function cassette tape recorder for helping foreign language learning |
| 12/31/1986 | CN85104990A Video tape recorder |
| 12/31/1986 | CN85104702A Cassette tape recording and/or reproducing apparatus |
| 12/30/1986 | US4633451 Optical servo for magnetic disks |
| 12/30/1986 | US4633352 Magnetic field noise shield for a magnetic head |
| 12/30/1986 | US4633351 Method and apparatus for hydrodynamic magnetic recording |
| 12/30/1986 | US4633346 Magnetic head positioning device for a flexible disk |
| 12/30/1986 | US4633345 Positioning misaligned disk heads |
| 12/30/1986 | US4633344 Unambiguously tracking a data track in response to signals derived from the track data itself |
| 12/30/1986 | US4633343 Method of and apparatus for writing data on a recording medium and the medium so produced |
| 12/30/1986 | US4633342 Rotary head type magnetic recording and reproducing device |
| 12/30/1986 | US4633340 Magnetic recording and reproducing apparatus with means for increasing amount of information to be stored in a magnetic memory disk |
| 12/30/1986 | US4633338 Magneto-optical recording and reproducing apparatus having a magnetization direction detecting apparatus for a magnetic recording medium |
| 12/30/1986 | US4633337 Floppy disk driving with suitable on-delay and off-delay timing |
| 12/30/1986 | US4633336 Magnetic recording apparatus |
| 12/30/1986 | US4633333 Detection of instantaneous speed variations in a tape drive |
| 12/30/1986 | US4633332 Multi-mode magnetic recording system and multi-mode magnetic recording and playback system for VTR |
| 12/30/1986 | US4633331 Information signal delay system utilizing random access memory |
| 12/30/1986 | US4632883 Vertical recording medium with improved perpendicular magnetic anisotropy due to influence of beta-tantalum underlayer |
| 12/30/1986 | US4632878 Magnetic recording medium |
| 12/30/1986 | US4632870 Containing nonmagnetic composite oxide powder of zinc and aluminum |
| 12/30/1986 | US4632868 Ferromagnetic alloy powder in binder |