Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
07/1986
07/29/1986US4603360 Video signal recording and reproducing apparatus
07/29/1986US4603359 Rotary head device
07/29/1986US4603357 Magnetic recording detection pointer that measures the time per data cell during which the analog waveform exceeds a predetermined detection threshold
07/29/1986US4603162 Radiation curable resin, paint or ink vehicle composition comprising said resin and magnetic recording medium or resistor element using said resin
07/29/1986US4603091 Cobalt-chromium-tantalum alloy, anisotropic
07/29/1986US4603081 Apint, vinyl chloride-vinyl carboxylate-vinyl alcohol-unsaturated acid polymer, blends radiation curing
07/29/1986US4603080 Magnetic recording media comprising fine particles of organosilica gel in the magnetic recording layer
07/29/1986US4603073 Opaque polyester film containing fine carbon black particles
07/29/1986EP0110988A4 Magnetic data storage and drive apparatus.
07/23/1986EP0188324A2 Magnetic coating comprising electron beam curable polyurethanes
07/23/1986EP0057178B1 A method for recording track marking information on flexible magnetical information carrier discs and apparatus for fine adjustment of the position of a reading head
07/23/1986CN86100117A Card player for educational use
07/22/1986US4602307 Compound type magnetic head
07/22/1986US4602305 Magnetic disc memory apparatus incorporating temperature compensation
07/22/1986US4602301 Two sided magnetic disk drive apparatus with controlled timing means
07/22/1986US4602298 Video tape recorder having uninterrupted tracking control during insert edit mode
07/22/1986US4602175 For positioning magnetic heads in a disk file
07/22/1986US4601950 Magnetic recording medium and manufacturing method thereof
07/22/1986US4601947 Magnetic recording medium
07/22/1986US4601946 Non-magnetic support with magnetic recording layer of ferromagnetic powder containing graphite and fatty acid ester
07/22/1986US4601912 Method of preparing a magnetic recording medium
07/22/1986US4601433 Toroidal core winding apparatus
07/22/1986US4601099 Method for manufacturing a magnetic head
07/22/1986CA1208360A1 Magnetizing apparatus
07/22/1986CA1208359A1 Magnetoresistive head
07/22/1986CA1208358A1 System for mounting magnetic transducer means on opposite sides of a flexible rotating magnetic disc
07/17/1986WO1986004179A1 Playback tracking control apparatus
07/16/1986EP0187440A1 Method for manufacturing a magnetic recording medium
07/16/1986EP0187434A2 Spherical magnetite particles
07/16/1986EP0187169A2 Process of manufacturing magnetic recording media and the media
07/15/1986US4600965 Current driving circuit
07/15/1986US4600958 Thin-film multitrack magnetic head of high track density
07/15/1986US4600957 Glass-bonded magnetic head having diffusion barriers
07/15/1986US4600956 Rotary head assembly for use in a tape recording/reproducing apparatus
07/15/1986US4600952 Helical scan video tape recorder with auxiliary heads for blur free high speed reproduction pictures
07/15/1986US4600650 Binders, polyurethanes, epoxy resins, vinyl acetatevinyl chloride copolymer, polyisocyanate
07/15/1986US4600638 Magnetic recording medium
07/15/1986US4600521 Electron-beam reactive magnetic coating composition for magnetic recording media
07/15/1986US4600488 Control method of magnetic anisotropy and device utilizing the control method
07/15/1986CA1207900A1 Magnetic head and method of fabricating same
07/15/1986CA1207899A1 Method for calibrating a machining sensor
07/09/1986EP0186911A2 Reversible memory system
07/09/1986EP0186662A1 Self-timed runout correction pattern.
07/08/1986US4599668 Inductively-coupled, thin-film M-R head
07/08/1986US4599667 Automatic azimuth angle adjustment head mounting structure
07/08/1986US4599666 Disk drive system apparatus band actuator
07/08/1986US4599663 Recording apparatus with stable disc support and high magnetic flux hold-down
07/08/1986US4599660 Video signal reproducing apparatus
07/08/1986US4599659 Floppy disk drive apparatus
07/08/1986US4599280 Magnetic recording medium
07/08/1986US4599266 Siloxane polymner film covering metal, layerr
07/08/1986CA1207442A1 Magnetic head assembly for tape recorders having reversible tape motion
07/03/1986WO1986003920A1 Magnetic recording/reproducing apparatus
07/02/1986EP0186603A1 Process for producing magnetized hexagonal ferrites, use of these ferrites as basic materials for magnets or magnetic registration
07/02/1986EP0186427A1 Stretched surface recording medium
07/02/1986EP0186356A2 Metallic thin-film magnetic recording medium having a hard protective layer
07/02/1986EP0186032A1 Thin-film magnetic head for a recording medium to be perpendicularly magnetized
07/02/1986EP0185844A1 Head carrier with a magnetic head
07/02/1986EP0185774A1 Composite magnetic head device
07/02/1986EP0185764A1 Magnetic recording/reproducing apparatus
07/02/1986EP0185657A1 Multitrack magnetic head
07/02/1986CN85202497U Recorder cartridge cleaner
07/02/1986CN85107309A Thin magnetic head slider and process method of materials used for the slider
07/02/1986CA1206942A Mode changing apparatus
07/01/1986US4598328 Mechanical damper for disk drives having band drive actuators
07/01/1986US4598327 Servo control system using servo pattern time of flight for read/write head positioning in a magnetic recording system
07/01/1986US4598325 Apparatus for transmitting digital signals across a rotary gap
07/01/1986US4598052 Alumina base substrate of recording head and process for the production thereof
07/01/1986US4598017 Composite magnetic disk with Si and SiC substrate
07/01/1986US4598014 Carbon black
07/01/1986US4597990 Magnetic media dispersed in elastomeric polyurethane and hydroxy p
07/01/1986US4597958 Aging suspension of ferric hydroxide while controlling temperature and ph
07/01/1986US4597801 Silane dispersing agent for magnetic media
06/1986
06/25/1986EP0185579A1 Method for displacing a mobile system moved by an electric motor along a given trajectory
06/25/1986EP0185406A1 Magnetic head having core parts of an amorphous ferromagnetic metal
06/25/1986EP0185289A1 Thin-film magnetic head on a non-magnetic substrate for perpendicular magnetization
06/25/1986EP0185239A2 Identity card to be read by using a magnetic system
06/25/1986EP0185209A2 Magnetic disk coating method and apparatus
06/25/1986EP0185112A1 Magnetic recording medium
06/24/1986USRE32193 Composite magnetic recording disk
06/24/1986US4597023 System for transmitting signals via a record carrier in the form of a tape
06/24/1986US4596747 Plastic film substrate, primer coating comprising carbon black dispersed in radiation curable unsaturated acryloyl containing material, magnetic layer
06/24/1986US4596740 Plastic substrate, crosslinked polymer comprising polyallyl compound, acrylic compound, thermosetting resin, alkyl silicate hydrolyzate, polysiloxane, rare earth metal amorphous layer
06/24/1986US4596739 Bisphenol A epoxy resin, blocked polyisocyanate, hydroxyl carboxylate polyester, melamine resin, magnetic particles
06/24/1986US4596735 Magnetic recording medium and method for making
06/24/1986US4596646 Producing thin film of cobalt-platinum alloy on substrate by sputtering using target containing platinum and cobalt
06/19/1986WO1986003616A1 Vertical magnetic head
06/18/1986EP0184714A2 Coloured magnetic toner, process for its preparation and its use
06/17/1986US4595964 Magnetic head and method of making the same
06/17/1986US4595963 Flexible magnetic disc driving apparatus
06/17/1986US4595960 Phase-reversed dithered automatic scan tracking system
06/17/1986US4595950 Method and apparatus for marking the information content of an information carrying signal
06/17/1986US4595738 Polypropylene film
06/17/1986US4595640 Lubricant system for magnetic recording media containing isomeric acids or alcohols
06/17/1986US4595631 Aluminum, titanium, chromium oxides
06/17/1986US4595481 Magnetic material plated simultaneously on two surfaces of disc
06/17/1986US4595440 Transfer process for forming magnetic disk memories
06/17/1986US4594772 Method of manufacturing composite magnetic transducer
06/11/1986EP0184500A1 Method for displacing a mobile system moved by an electric motor along a given trajectory, and apparatus for carrying out said method
06/11/1986EP0184387A2 A method of controlling the operation of a disk file and a disk file