| 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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| 09/18/1984 | US4472752 For reading information |
| 09/18/1984 | US4472750 Data record with pre-recorded transducer positioning signals, and system for utilizing same |
| 09/18/1984 | US4472748 Method of processing information signal with respect to opto-magnetic record medium |
| 09/18/1984 | US4472747 Audio digital recording and playback system |
| 09/18/1984 | US4472455 Production of magnetic recording media |
| 09/18/1984 | US4472369 Process for producing ferrites |
| 09/18/1984 | US4472248 Method of making thin-film magnetic recording medium having perpendicular anisotropy |
| 09/18/1984 | EP0056799A4 Indicator device for cassettes loaded with magnetical information carrier. |
| 09/17/1984 | EP0123674A4 Linear head actuator. |
| 09/17/1984 | EP0112330A4 Head lift mechanism. |
| 09/13/1984 | WO1984003580A1 Data transfer system using digital disc |
| 09/13/1984 | WO1984003579A1 Noise cancelling system for low frequency analog recording |
| 09/12/1984 | EP0118254A1 Process for producing fine particles of ferromagnetic metal powder |
| 09/12/1984 | EP0118253A1 Fine particles of ferromagnetic metal and process for producing the same |
| 09/12/1984 | EP0118188A1 Magnetic disc recording and reproducing apparatus |
| 09/12/1984 | EP0118169A1 Thin-film magnetic writing head with anti-saturation back-gap layer |
| 09/12/1984 | EP0117910A1 Apparatus for signal evaluation by accumulation at one rate and releasing and testing at a slower rate |
| 09/12/1984 | EP0117909A1 Method of and apparatus for evaluating the audio characteristics under the control of a video picture frame number |
| 09/12/1984 | EP0117908A1 Method of and apparatus for analyzing the signal transfer characteristics of a signal processing unit |
| 09/11/1984 | USRE31668 Load survey recorder for measuring electrical parameters |
| 09/11/1984 | US4471396 Disc recording apparatus including integral track zero and crash stop means |
| 09/11/1984 | US4471392 Automatic scan tracking with ringing control |
| 09/11/1984 | US4471390 Flexible diskette data duplication |
| 09/11/1984 | US4471248 Electric motor with elastic vibration damping rotor to shaft coupling |
| 09/11/1984 | US4471009 Thermosetting film-forming recording layer composition and method therefor |
| 09/11/1984 | US4470873 Method of manufacturing magnetic sensor comprising at least two magnetoresistive elements |
| 09/11/1984 | US4470844 Reduction of iron oxide, dispersion in liquid, coating, separation, and heat treatment |
| 09/11/1984 | CA1174357A1 Head positioning servo for disk drive |
| 09/11/1984 | CA1174329A1 Synchronizing signal detecting circuit |
| 09/05/1984 | EP0117753A2 Methods of and apparatus for recording digital information signals |
| 09/05/1984 | EP0117520A2 Voice coil actuator and method of manufacturing a coil for such an actuator |
| 09/05/1984 | EP0117508A2 Current driving circuit |
| 09/05/1984 | EP0117455A1 Multiplex magnetic recording and reproduction system |
| 09/04/1984 | US4470088 Pivot suspension for head arm on disk drive |
| 09/04/1984 | US4470087 Head base drive mechanism in tape player |
| 09/04/1984 | US4470084 Stabilized bias system for magnetic tape read and write heads |
| 09/04/1984 | US4470081 Controlled return to A.C. digital magnetic and reproducing system |
| 09/04/1984 | US4470079 Tracking control system in a magnetic recording and reproducing apparatus |
| 09/04/1984 | US4469758 Magnetic recording materials |
| 09/04/1984 | US4469751 Magnetic recording media comprising specific types of silicone lubricants in the magnetic layer thereof |
| 09/04/1984 | US4469750 Magnetic recording media comprising fluorinated organosilicones in a magnetic layer thereof |
| 09/04/1984 | US4469624 Ferromagnetic powder and cellulose nitrate |
| 09/04/1984 | US4469566 Method and apparatus for producing electroplated magnetic memory disk, and the like |
| 09/04/1984 | US4469505 Method for producing cobalt metal powder |
| 09/04/1984 | CA1173958A1 Servo system for data storage apparatus |
| 09/04/1984 | CA1173957A1 Media interchange switch for magnetic disk drives |
| 09/04/1984 | CA1173956A1 System and method for formatting pairs of concentric magnetic tracks of different capacity to a plurality of equal capacity logical tracks |
| 08/30/1984 | WO1984003386A1 Perpendicular magnetic recording head |
| 08/29/1984 | EP0117158A1 Disc drive carriage slide assembly |
| 08/29/1984 | EP0116923A1 Magnetic recording medium |
| 08/29/1984 | EP0116881A2 Magnetic recording medium and process of manufacturing the same |
| 08/29/1984 | EP0116691A2 Inspection device for write-read heads of disc data carriers in electronical data processing installations |
| 08/29/1984 | EP0116653A1 Process for the production of a metal soap layer as an antifriction layer on a metallized registration support |
| 08/29/1984 | EP0116544A1 Management of defects in storage media. |
| 08/28/1984 | US4468713 Tape recorder tape guide mechanism fixed on pinch roller lever |
| 08/28/1984 | US4468712 Positioner apparatus for tape recorder heads |
| 08/28/1984 | US4468627 RIAA Equalizer circuit |
| 08/28/1984 | US4468436 Magnetic recording material |
| 08/28/1984 | CA1173560A1 Bias control method and apparatus for magnetic recording |
| 08/22/1984 | EP0116451A2 Magnetic transducer structure having reduced track width and a method of manufacturing thereof |
| 08/22/1984 | EP0116450A2 A monolithic multichannel multistack magnetic transducer assembly and method of manufacturing thereof |
| 08/22/1984 | EP0116449A2 Barium ferrite particles for magnetic recording media |
| 08/22/1984 | EP0116427A1 Method and apparatus for utilizing a drive tape |
| 08/22/1984 | EP0116135A1 Method of evaluating and apparatus for analyzing recording characteristics of a recording medium with a prescribed analog electrical signal |
| 08/21/1984 | US4467389 Magnetic tape degausser and method of erasing magnetic recording tape |
| 08/21/1984 | US4467382 Magnetic recording and playback device having means for reducing head corrosion |
| 08/21/1984 | US4467381 Tape recorder head moving mechanism |
| 08/21/1984 | US4467377 Cassette type-tape recorder |
| 08/21/1984 | US4467376 Process for the recording on, and reading of, store tapes |
| 08/21/1984 | US4467374 Method and means for direct-current polarity restoration in magnetic recording |
| 08/21/1984 | US4467372 Signal monitoring instrument |
| 08/21/1984 | US4467253 Differential signal decoder |
| 08/21/1984 | US4467209 Method of producing identification cards and a device for carrying out same |
| 08/21/1984 | US4466164 Core metal rolls with multilayer filler impregnated with epoxy resin coatings |
| 08/16/1984 | WO1984003168A1 Magnetic transducer positioning apparatus |
| 08/16/1984 | WO1984003167A1 Magnetic head |
| 08/15/1984 | EP0115842A1 Magnetic head and method of fabricating same |
| 08/15/1984 | EP0115699A1 Methods and apparatus for recording and reproducing analog signals |
| 08/15/1984 | EP0115516A1 Water-based magnetic coating composition. |
| 08/14/1984 | US4466089 Information signal reproducing apparatus |
| 08/14/1984 | US4466027 Digital tape erasure conditioning system |
| 08/14/1984 | US4466026 Record/reproduce circuit for VTR |
| 08/14/1984 | US4466025 Floppy disc device with a delay mechanism |
| 08/14/1984 | US4466004 Thermomagnetic recording |
| 08/14/1984 | US4465737 Magnetic recording medium |
| 08/14/1984 | US4465735 Magnetic recording medium |
| 08/14/1984 | US4465707 Extrusion through slits, flexible belt supports |
| 08/14/1984 | US4465608 Organic boron compounds |
| 08/14/1984 | CA1172767A1 Write precompensation and write encoding for fm and mfm recording |
| 08/14/1984 | CA1172766A1 Mfm data encoder with write precompensation |
| 08/14/1984 | CA1172754A1 Disc recording apparatus including integral track zero and crash stop means |
| 08/14/1984 | CA1172523A1 Magnetic recording medium |
| 08/08/1984 | EP0115212A1 Signal processing circuits |
| 08/08/1984 | EP0115200A1 Methods and apparatus for recording an information signal on a magnetic medium |
| 08/08/1984 | EP0115197A1 Magnetic erasing head |
| 08/08/1984 | EP0115052A2 Magnetic head device |
| 08/08/1984 | EP0114997A1 Magnetic read head |
| 08/08/1984 | EP0114938A2 On-the-fly multibyte error correction |
| 08/08/1984 | EP0059727B1 Head position system for a disc data store |
| 08/07/1984 | US4464691 Magnetic reproducing system |