Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
03/1984
03/21/1984EP0103463A2 Apparatus and method for positioning subsequent recordings on a video tape relative to an existing recording
03/21/1984EP0103352A2 Magnetic sensor, particularly playback head for magnetic recording media
03/20/1984US4438471 Magnetic head for perpendicular magnetic recording system
03/20/1984US4438470 Magnetic head of magnetic reluctance effect type and a method for making the same
03/20/1984US4438469 Deflectable transducer mounting assembly
03/20/1984US4438467 Magnetic disk track following servo burst amplitude drop compensation
03/20/1984US4438466 D.C. Controlled adjustable ramp signal generator and method
03/20/1984US4438465 Tracking control system for an information signal recording and reproducing apparatus
03/20/1984US4438463 Tracking control system
03/20/1984US4438462 Document identification employing exchange-anisotropic magnetic material
03/20/1984US4438213 Magnetic head slider material and method for producing the same
03/20/1984US4438156 Mono-particle magnetic dispersion in organic polymers for magnetic recording
03/20/1984US4438066 Zero to low magnetostriction, high coercivity, polycrystalline, Co-Pt magnetic recording media
03/20/1984US4437882 Ferromagnetic powder treated with an organic silane compound
03/20/1984US4437881 Iron, silicon, chromium, nickel
03/20/1984CA1164090A1 Multichannel transducer structure with improved interchannel cross talk rejection
03/14/1984EP0102897A1 Automatic read head cleaning device for a cassette recorder apparatus
03/14/1984EP0102881A1 Magnetic iron carbon nitride based material, and preparation and application as magnetic recording material
03/14/1984EP0102819A1 Barium ferrite particles for magnetic recording media
03/14/1984EP0102811A2 Video signal recording apparatus
03/14/1984EP0102809A1 Magnetic reproducing apparatus
03/14/1984EP0102600A2 Method and apparatus for a magnetic recording/reproducing
03/14/1984EP0102581A2 Magnetic recording material
03/14/1984EP0102518A1 Composition for forming thick magnetic recording medium
03/13/1984US4437128 System and method of recording and reproducing wide band channel information by means of several narrow band channels
03/13/1984US4436786 Magnetic recording medium
03/13/1984US4436593 Self-aligned pole tips
03/13/1984US4436257 Reel driving method for tape recorder and a driving mechanism for its practice
03/13/1984US4435900 Method of manufacturing a magnetic head unit
03/13/1984CA1163506A1 Magnetic recording medium
03/07/1984EP0102043A2 Magnetic head driving unit
03/07/1984EP0101995A1 Magnetic recording medium and method of producing such a medium
03/07/1984EP0101908A1 A replaceable bobbin for a cassette cleaner unit
03/07/1984EP0101826A1 Method of forming a magnetic layer on a substrate
03/07/1984EP0101825A1 Magnetoresistive sensor for vertically recorded data and method of sensing such data
03/06/1984US4435736 Isolated multiple core magnetic transducer assembly
03/06/1984US4435485 Magnetic recording medium
03/06/1984CA1163149A1 Magnetic recording medium
02/1984
02/29/1984EP0101616A2 Magnetic head shifting means for flexible disk memory system
02/29/1984EP0101591A2 Process for the preparation of magnetic dispersions containing a binder
02/28/1984US4434446 Magnetic head
02/28/1984US4434445 Magnetic head for high track density
02/28/1984US4434210 Magnetic recording medium
02/28/1984CA1163016A1 Video signal reproducing apparatus
02/28/1984CA1163014A1 Head tracking control system
02/22/1984EP0101352A1 Read/write head with a planar coil or coils
02/22/1984EP0101344A1 Information carrier with thermo-destructible magnetic memory elements
02/22/1984EP0101080A1 Magnetic recording medium
02/22/1984EP0101020A2 Flexible layered magnetic recording support with back layer
02/22/1984EP0100841A1 Integrated magnetic transducer head assembly including an inductive write device and a magnetoresistive read device
02/21/1984US4433352 Device for recording and/or reading binary data on both faces of a flexible magnetic disk
02/21/1984US4433351 In an analog audio record/playback system
02/21/1984US4433350 Tracking error detection system in a magnetic reproducing apparatus
02/21/1984US4433349 Bias control apparatus for a recording system
02/21/1984CA1162646A1 Test unit for a high-rate multitrack digital recorder
02/21/1984CA1162643A1 Rotary actuator assembly for disk drive head positioner
02/16/1984WO1984000628A1 Management of defects in storage media
02/15/1984EP0100669A1 Acicular ferromagnetic alloy particles for use in magnetic recording media
02/15/1984EP0100545A2 Electron beam curable polyurethane compositions
02/15/1984EP0100484A1 Method of manufacturing cobalt-epitaxial layered iron oxides for magnetic recording
02/14/1984US4432028 Shielded magnetoresistance transducer high data density applications
02/14/1984US4432027 Magnetic head
02/14/1984US4432026 Apparatus and method for determining read head position
02/14/1984US4432025 System and method for formatting pairs of concentric magnetic tracks of different capacity to a plurality of equal capacity logical tracks
02/14/1984US4432024 Method and apparatus for minimizing non-linear distortion in the recording of a bi-level signal
02/14/1984US4432021 Rotary recording medium reproducing apparatus
02/14/1984US4431712 Vinyl acetate-vinyl chloride-unsaturated acid terpolymer, polyurethane, polyisocyanate
02/14/1984US4431703 Magnetic recording medium
02/14/1984US4431702 Magnetic recording medium
02/14/1984US4431700 Magnetic recording medium
02/14/1984US4431461 Method for producing Al-base alloy substrates for magnetic recording media
02/14/1984US4430782 Apparatus and method for burnishing magnetic disks
02/14/1984CA1162299A1 Magnetic disk assembly, cartridge for same and recording/reproducing apparatus for use
02/14/1984CA1162113A1 Process for producing magnetic recording medium
02/14/1984CA1162052A1 Highly orientable iron particles
02/14/1984CA1162051A1 Reduction of iron oxide to conserve hydrogen
02/08/1984EP0100191A2 Floppy disks with enlarged partition-holes
02/08/1984EP0100054A2 Magnetic recording medium
02/08/1984EP0100017A1 Magnetic-recording carriers
02/08/1984EP0099925A1 Lubrication of magnetic recording media.
02/07/1984US4430679 Magnetically shielded carrying arm arrangement for a magnetic disc storage
02/07/1984US4430440 Magnetic head slider material
02/07/1984US4430387 Base plate for magnetic recording disc
02/07/1984US4430362 Polyurethane from polyester and polyisocyanate, thermoplastic phenoxy resin, binders, crosslinking
02/07/1984CA1161951A1 Fitting mechanism of rotary head and the like in vtr
02/07/1984CA1161950A1 Magnetic transducer head utilizing magneto resistance effect
02/07/1984CA1161946A1 Method and apparatus for recording digitized information on a record medium
02/02/1984WO1984000436A1 Water-based magnetic coating composition
02/01/1984EP0099839A1 Biaxially oriented polyester film, process for its preparation and its use as a magnetic tape basis
02/01/1984EP0099831A1 Magnetic head for perpendicular recording media
02/01/1984EP0099564A2 Perpendicular magnetic recording medium and manufacturing method thereof
02/01/1984EP0099536A1 Magnetic-recording carrier
02/01/1984EP0099533A2 Magnetic recording medium
01/1984
01/31/1984US4429390 Digital signal transmitting system
01/31/1984US4429337 Magnetic head unit having thermally dissipating cover plate
01/31/1984US4429024 Layer of plasma-polymerized compound
01/31/1984US4429023 Magnetic recording medium
01/31/1984US4429017 Magnetic recording medium
01/31/1984US4429016 Vertical type containing cobalt and chromium
01/31/1984US4429010 High density magnetic recording medium