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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08/07/1985 | EP0150498A2 Perpendicular Magnetic Recording Medium |
08/07/1985 | EP0150393A1 Magnetic recording media |
08/07/1985 | EP0150372A1 Combined write and read magnetic head for a recording medium to be magnetized longitudinally or vertically |
08/07/1985 | EP0150371A1 Thin film magnetic head for a recording medium to be magnetized vertically |
08/07/1985 | EP0150368A1 Combined write and read magnetic head to magnetize vertically a corresponding recording medium |
08/07/1985 | EP0150306A1 Information storage disk transducer position control |
08/06/1985 | US4533967 Multiple leg multichannel magnetic transducer structure and method of manufacturing |
08/06/1985 | US4533965 Magnetic read/write circuit |
08/06/1985 | US4533603 Substrate and thin layer of manganese, aluminum, and copper or alloy thereof |
08/06/1985 | US4533582 Stabilized magnetic recording materials and process for tailoring and stabilizing of magnetic recording materials |
08/06/1985 | US4533566 Electron-beam adhesion-promoting treatment of polyester film base for silicone release liners |
08/06/1985 | US4533565 Method for surface treatment of ferromagnetic fine powder and forming a magnetic recording device |
08/06/1985 | US4532802 Apparatus for analyzing the interface between a recording disk and a read-write head |
08/06/1985 | CA1191608A1 Magnetic recording head array with staggered head arrangement |
08/06/1985 | CA1191606A1 Differential magnetoresistive sensor for vertical recording |
08/06/1985 | CA1191605A1 Magnetic recording apparatus |
08/06/1985 | CA1191601A1 Tracking control devices for video tape recorders |
08/06/1985 | CA1191595A1 Method and apparatus for recording and reproducing an information signal comprised of a video signal and audio signal |
08/06/1985 | CA1191559A1 Circuit for detecting existance of information signal |
08/01/1985 | WO1985003400A1 Rotary head type magnetic image recorder/reproducer |
08/01/1985 | WO1985003244A1 Coating process |
08/01/1985 | WO1985003243A1 Ptfe coating process |
07/31/1985 | EP0150005A1 Magnetic storage medium |
07/30/1985 | US4532629 Apparatus for error correction |
07/30/1985 | US4532621 Device and method for recording information on a disk |
07/30/1985 | US4532565 Tape recorder |
07/30/1985 | US4532562 Servo control of seek operation in magnetic disk drive |
07/30/1985 | US4532178 Magnetic recording media comprising a magnetic layer on one side of a support and a non-magnetic tio layer on the other side |
07/30/1985 | US4532172 Support having coating on surface and back sides of binder and powder selected from extenders and white pigments, with finer surface roughness on surface side |
07/30/1985 | US4531990 Method for producing a magnetic tape |
07/30/1985 | CA1191255A1 Embedded servo track following system and method for writing servo tracks |
07/30/1985 | CA1191254A1 Playback system for tv signals recorded on magnetic tape |
07/24/1985 | EP0149509A2 Magnectic head core and process of manufacturing the same |
07/24/1985 | EP0149483A2 Coatings for magnetic recording structures |
07/24/1985 | EP0149281A2 Magnetic head |
07/24/1985 | EP0149257A2 Method of and apparatus for recording video signal associated with photographic image |
07/24/1985 | EP0149015A2 Method and apparatus for copy-protecting magnetic storage media |
07/24/1985 | EP0148999A1 Tape recorder head position controlling device |
07/23/1985 | US4531170 Combination magnetic head |
07/23/1985 | US4531169 Read/write head-positioning apparatus for a magnetic recording disk drive unit |
07/23/1985 | US4531167 Servowriter system for magnetic disc drives |
07/23/1985 | US4531166 Magnetic tape drive with adaptive servo |
07/23/1985 | US4531165 Automatic amplitude equalizer based upon monitoring of channel power loss |
07/23/1985 | CA1190734A1 Magnetic recording medium and composition and method therefor |
07/17/1985 | EP0148634A2 Ferromagnetic alloy particles for magnetic recording media and process for their manufacture |
07/17/1985 | EP0148628A2 Magnetic head core and method for producing the same |
07/17/1985 | EP0148580A1 Cleaning apparatus for a disc drive |
07/17/1985 | EP0148378A2 Magnetic recording and playback apparatus |
07/17/1985 | EP0148306A2 Method for producing a metal alloy strip |
07/16/1985 | US4530022 Apparatus and method for protecting disks in a computer peripheral system |
07/16/1985 | US4530021 Micromotion release of heads from lubricated magnetic disks |
07/16/1985 | US4530020 Self-timed runout correction pattern |
07/16/1985 | US4530019 Servo pattern |
07/16/1985 | US4530016 Magnetic recording and reproducing apparatus |
07/16/1985 | US4530014 Electronic camera |
07/16/1985 | US4530012 Tracking control system for magnetic video recording and/or reproducing apparatus with tracking signal positions staggered with respect to the positions of tracking signals on adjacent tracks |
07/16/1985 | US4529661 Magnetic recording medium |
07/16/1985 | US4529659 Magnetic recording member and process for manufacturing the same |
07/16/1985 | US4529651 Sputtering of polymer coating |
07/16/1985 | US4529649 Magnetic recording medium |
07/16/1985 | US4529524 Process for producing plate-like barium ferrite particles for magnetic recording |
07/16/1985 | CA1190653A1 Digital waveform conditioning circuit |
07/16/1985 | CA1190643A1 Absolute reference embedded servo |
07/10/1985 | EP0148077A2 Method of writing information on a recording medium |
07/10/1985 | EP0148014A2 Magnetic head core and method for producing the same |
07/10/1985 | EP0147993A2 Disk unit |
07/10/1985 | EP0147963A2 Magnetic recording |
07/10/1985 | EP0147918A1 Magnetic-disk accessing circuitry |
07/10/1985 | EP0147773A2 A method of making linearity standard magnetic tape |
07/10/1985 | EP0147746A2 Electron beam irradiation apparatus |
07/10/1985 | EP0147709A2 Process for producing isotropical magnetic-iron oxides containing cobalt and their use |
07/10/1985 | EP0147550A1 Equalization circuits for magnetic recording channels |
07/10/1985 | EP0147436A1 Apparatus for reading magnetically recorded information. |
07/09/1985 | US4528607 Magnetic record/playback head positioning apparatus |
07/09/1985 | US4528605 Rotary magnetic head scanning control system in a magnetic recording and reproducing apparatus |
07/09/1985 | US4528601 Digital signal reproducing apparatus |
07/09/1985 | US4528588 Method and apparatus for marking the information content of an information carrying signal |
07/09/1985 | US4528473 Permanent magnet type step motor |
07/09/1985 | US4528467 Coil for disk file actuator |
07/09/1985 | US4528240 Magnetic recording medium |
07/09/1985 | US4528063 Method for refinishing rigid data storage discs |
07/09/1985 | CA1190318A1 Compensating apparatus for changes in a record medium |
07/04/1985 | WO1985002933A1 Magnetic record medium and apparatus and method for tracking the same |
07/03/1985 | EP0147161A2 Magnetic recording medium having opaque polyesterfilm base |
07/03/1985 | EP0147126A2 Multilayered ferromagnetic amorphous alloy film and magnetic head employing the same |
07/03/1985 | EP0147003A1 Thin-film magnetic read/write head with multiple-layer coil |
07/03/1985 | EP0146897A2 Magnetic recording medium |
07/03/1985 | EP0146861A2 Device with a thin layer magnetic head for perpendicular (vertical) recording |
07/03/1985 | EP0146796A2 Process for the fabrication of thin film magnetic transducer gaps by lift-off |
07/03/1985 | EP0146773A1 Apparatus for recording a digital data |
07/03/1985 | EP0146662A1 Magnetic card reader |
07/03/1985 | EP0146639A1 Method and apparatus for recording digital data signal |
07/03/1985 | EP0146581A1 Inductively-coupled, thin-film m-r head. |
07/02/1985 | US4527212 Magnetic shield and multitrack magnetic head apparatus using same |
07/02/1985 | US4527211 Device for positioning a scanning head in a drive unit for disk records |
07/02/1985 | US4527207 Tape speed control for producing a master tape carrying a digital signal |
07/02/1985 | US4527202 Method and apparatus for recording/reproducing a control signal on and from video signal recordings by an erase head |
07/02/1985 | US4526837 Magnetic recording medium |
07/02/1985 | US4526836 Magnetic recording media comprising a reaction product of a specific type of fluorine resin and a curing polymer material as a binder in the magnetic layer thereof |
07/02/1985 | US4526833 Magnetic recording medium having a perfluoropolyether polymer protective coating |