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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05/28/1985 | US4520413 Integrated magnetostrictive-piezoelectric-metal oxide semiconductor magnetic playback head |
05/28/1985 | US4520410 Scan tracking apparatus for helical scan video tape recorder |
05/28/1985 | US4520409 Thermal and magnetic recording head |
05/28/1985 | US4520079 Magnetic recording medium |
05/28/1985 | US4520076 Magnetic recording medium |
05/28/1985 | US4520070 Magnetic recording medium and process for producing same |
05/28/1985 | US4520069 Vertical orientation of eliptical ferromagnetic particles; high- density magnetic tapes |
05/28/1985 | US4520040 Ferromagnetic films for high density recording and methods of production |
05/28/1985 | CA1187998A1 Pcm signal processor |
05/28/1985 | CA1187984A1 Magnetoresistive transducer assemblies |
05/28/1985 | CA1187983A1 Delay and optimum amplitude equalizers for a readback circuit |
05/28/1985 | CA1187982A1 Pcm signal processing circuit |
05/28/1985 | CA1187937A1 Automatic calibration system for signal amplifier circuits |
05/23/1985 | WO1985002289A1 A magnetic information recording and/or reading head with increased wear-resistant properties and a method for manufacturing the same |
05/22/1985 | EP0142391A2 Read/write head positioner arrangement |
05/22/1985 | EP0142238A1 Apparatus and method for degaussing magnetic storage media |
05/21/1985 | US4519007 Servo-track position detection systems |
05/21/1985 | US4519006 Magnetic head device |
05/21/1985 | US4519005 Magnetic tape reproducing apparatus |
05/21/1985 | US4519003 Video recorder including a plurality of operating elements |
05/21/1985 | US4518970 Method for forming a latent image and apparatus for carrying out the same |
05/21/1985 | US4518925 Signal processing circuits |
05/21/1985 | US4518904 Stepper motor control for data disk system |
05/21/1985 | US4518881 Linear motor |
05/21/1985 | US4518657 Recording medium and recording-reproduction system provided with the recording medium |
05/21/1985 | US4518656 Magnetic recording medium and process for producing the same |
05/21/1985 | US4518634 Method and apparatus for coating magnetic recording media |
05/21/1985 | US4518627 Fluid layer carried on a non-magnetic support; rotating magnetic field |
05/21/1985 | US4518626 Process for preparing magnetic recording medium |
05/21/1985 | CA1187603A1 Apparatus and method for controlling the position of a rotary head |
05/15/1985 | EP0141764A2 New tape endings for recording tapes |
05/15/1985 | EP0141558A1 Process of manufacture for barium ferrite particles for magnetic recording media |
05/15/1985 | EP0141499A1 Disk drive servo techniques |
05/15/1985 | EP0141147A2 Magnetic recording medium |
05/15/1985 | EP0140977A1 Magnetic head and method of manufacture thereof |
05/15/1985 | EP0140957A1 Audio digital recording and playback system. |
05/14/1985 | US4517616 Thin film magnetic recording transducer having embedded pole piece design |
05/14/1985 | US4517615 Rotary head for magnetic tape record and playback |
05/14/1985 | US4517612 Reproducing apparatus with controlled gain output independent of tracking errors |
05/14/1985 | US4517610 Multichannel signal recovery circuit |
05/14/1985 | US4517609 Video signal recording apparatus |
05/14/1985 | US4517552 Method and apparatus for N-to-M encoding |
05/14/1985 | US4517257 High density |
05/14/1985 | US4517041 Method for attaching a workpiece to a workpiece carrier |
05/14/1985 | CA1187174A1 Magnetic disk substrate with a core of synthetic material |
05/14/1985 | CA1187040A1 Method of making edge protected ferrite core |
05/08/1985 | EP0140582A2 Magnetic recording medium having a perfluoropolyether polymer protective coating |
05/08/1985 | EP0140524A1 Multi channel magnetic transducer head and method of manufacturing same |
05/08/1985 | EP0140513A1 Thin film magnetic recording structures |
05/08/1985 | EP0140193A1 Drive mechanism for fixed discs |
05/08/1985 | EP0140012A1 Coil for a voice coil motor |
05/08/1985 | EP0139925A1 Automatic amplitude equalizer |
05/08/1985 | EP0139914A1 Method for information storage using perpendicular magnetization, and magnetic head to carry out the method |
05/08/1985 | EP0139722A1 Center supported actuator carriage assembly |
05/07/1985 | US4516180 Thin film magnetic head |
05/07/1985 | US4516179 Magnetic transducer head utilizing magnetoresistance effect |
05/07/1985 | US4516178 Cylinder crossing detection circuit for disc drive or the like |
05/07/1985 | US4516177 Rotating rigid disk data storage device |
05/07/1985 | US4516176 Magnetic head cleaning diskette |
05/07/1985 | US4516165 Error recovery procedure using selective erasure |
05/07/1985 | US4516162 Method for verifying servo data |
05/07/1985 | US4515857 Magnetic recording medium |
05/07/1985 | US4515856 Dispersed in a resin binder |
05/07/1985 | US4515828 Planarization method |
05/07/1985 | US4514937 Method for the surface treatment of magnetic recording media |
05/07/1985 | CA1186796A1 Device for positioning objects which have a low mass |
05/07/1985 | CA1186503A1 Composition for forming thick magnetic recording medium |
05/02/1985 | EP0139625A1 Magnetic-record carrier |
05/02/1985 | EP0139531A2 Track following servo for higher density disk files |
05/02/1985 | EP0139506A2 Multi-directional field annealing of a thin-film electromagnetic read/write head |
05/02/1985 | EP0139403A2 Method of producing magnetic recording disks |
05/02/1985 | EP0139372A1 Actuator assembly for memory apparatus |
05/02/1985 | EP0139346A2 Diskette transport |
05/02/1985 | EP0139244A1 Magnetic recording medium |
05/02/1985 | EP0139211A2 Suction nozzle |
05/02/1985 | EP0139180A1 Feed device for magnetic head |
05/02/1985 | EP0139086A1 Head access mechanism for magnetic disk memory device |
05/02/1985 | EP0139021A1 Thermomagnetic optical recording method |
05/02/1985 | EP0139018A1 Magnetic transducer head assembly having a single magnetic pole type for perpendicular mode recording |
05/02/1985 | EP0139008A1 Magnetic head |
05/02/1985 | EP0138966A1 Video cassette play counting, storing and reading system |
05/02/1985 | EP0138956A1 Constant bandwidth automatic gain control system |
04/30/1985 | US4514777 Device for cleaning the magnetic head of a recorder/reproducer apparatus for use with a magnetic tape cartridge or the like |
04/30/1985 | US4514776 Magnetic head and method of manufacturing the same |
04/30/1985 | US4514775 Streaming cassette tape transport |
04/30/1985 | US4514773 Circuit arrangement for generating an actuating signal for a piezo-electric element of a positioning device |
04/30/1985 | US4514772 Apparatus for reading/writing data on magnetic disc |
04/30/1985 | US4514771 Method and apparatus for improving disk storage capacity |
04/30/1985 | US4514452 Magnetic recording disk |
04/30/1985 | US4514451 Non-squealing |
04/30/1985 | US4514422 Sugarless;glycerin and sugar alcohol components |
04/30/1985 | US4514216 Acicular ferromagnetic alloy particles for magnetic recording and process for producing the same |
04/30/1985 | CA1186409A1 Magnetic-tape cassette apparatus and magnetic-head unit for use in conjunction with such apparatus |
04/30/1985 | CA1186408A1 Digital recording and reproducing apparatus |
04/25/1985 | WO1985001806A1 Track following servo for higher density disk files |
04/25/1985 | WO1985001724A1 Aluminium oxide glass composition and magnetic head incorporating same |
04/24/1985 | EP0138699A2 Magnetic recorder permitting the reading of a time code, irrespective of the travel speed of the magnetic tape |
04/24/1985 | EP0138580A2 Alloy magnetic recording head |
04/24/1985 | EP0138515A2 An apparatus for use in manufacturing a perpendicular magnetic recording member |
04/24/1985 | EP0138469A2 Print head |