Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
06/1986
06/11/1986EP0184190A1 Digital information recording and reproducing apparatus
06/11/1986EP0184034A2 Perpendicular magnetic recording medium and method of producing same
06/11/1986EP0183988A2 Magnetic powders for magnetic recording media and magnetic recording media employing said magnetic powder therein
06/11/1986EP0183831A1 Technique for measuring very small spacings
06/11/1986EP0183699A1 Servo pattern
06/10/1986US4594629 Cassette cleaning device
06/10/1986US4594628 Magnetic head having cobalt-containing zinc-ferrous ferrite core
06/10/1986US4594627 Safety latch for pickup heads and carriage disc drive
06/10/1986US4594623 Rotary scanning tape recorder with improved head drum clamping
06/10/1986US4594622 Track following servo system for a disk file
06/10/1986US4594621 Rotary head type digital information signal recording and reproducing apparatus and tracking control method therein
06/10/1986US4594620 Disk storage file with a four phase, single phase drive stepping motor
06/10/1986US4594619 Magnetic reproduce apparatus with magnetoresistive head
06/10/1986US4594617 Method and apparatus for cleaning a recording and/or reproducing head
06/10/1986US4594526 Bimorph electromechanical transducer and control circuit device therefor
06/10/1986US4594296 Magnetic recording medium
06/10/1986US4594267 Process for producing cobalt-containing magnetic iron oxide powder
06/10/1986US4594262 Electron beam adhesion-promoting treatment of polyester film base
06/10/1986US4594174 Magentic powder and binder containing carboxyl group, epoxy group and vinyl chloride
06/10/1986CN85103945A Rapid-audio device for tone frequencies
06/10/1986CA1205909A1 Cleaning disc
06/10/1986CA1205906A1 Magnetic head preamplifier/driver
06/10/1986CA1205725A1 Corrosion-resistant and wear-resistant amorphous alloy and a method for preparing the same
06/10/1986CA1205666A1 Non-staling gum composition and method of preparation
06/05/1986WO1986003326A1 Device for cleaning tape contacting members in video tape recorders and the like apparatus
06/05/1986WO1986003324A1 Optimum control of overwrite by record gap length selection
06/05/1986WO1986003144A1 Foil with two surfaces which run essentially plane-parallel to one another, and process and device for its production
06/04/1986EP0183481A2 Apparatus and method for locating dropouts
06/04/1986EP0183427A2 Magnetic recording medium
06/04/1986EP0183412A2 Apparatus for recording and reproducing data on a magnetic recording medium
06/04/1986EP0183411A1 Video tape recorders
06/04/1986EP0183120A2 Magnetic recording member
06/04/1986EP0183033A2 Combined magnetic channel signal sensor and servo control track following system and method
06/03/1986US4593375 Read-write processor with internal diagnostic data path
06/03/1986US4593368 Technique for measuring very small spacings
06/03/1986US4593337 Video cassette play counting, storing and reading system
06/03/1986US4593336 Method of reading information
06/03/1986US4593334 Thin film transducer
06/03/1986US4593333 Magnetic head
06/03/1986US4593332 Magnetic reproduction system utilizing magnetic body as capacitor
06/03/1986US4593329 Magnetic data storage apparatus having a magnetic disk normally in contact with a transducer head, and method of operation
06/03/1986US4592963 Mixture of carbon in binder
06/03/1986US4592961 Particle filled flexible coating composition of aromatic polyester and vinylidene chloride copolymer
06/03/1986US4592952 Backing containing titanium dioxide and carbon black powder in binder
06/03/1986US4592950 Containing vaporizer-overheater elements of a refractory material
06/03/1986US4592948 Magnetic recording medium
06/03/1986US4592942 Magnetic recording medium
06/03/1986US4592801 Method of patterning thin film
05/1986
05/28/1986EP0182371A2 Protection film structure for functional devices
05/28/1986EP0182367A2 Magnetic recording medium and production of the same
05/28/1986EP0182348A1 Rotary cylinder device
05/28/1986EP0182287A2 Perpendicular magnetic recording medium and method for preparing the same
05/28/1986EP0182025A1 Device for closely contacting at least one electromagnetic transducer head
05/28/1986EP0181942A1 Magnetic recording/reproducing apparatus
05/28/1986EP0181887A1 Magnetic storage system
05/28/1986EP0099925B1 Lubrication of magnetic recording media
05/28/1986CN85202759U Magnetic head moping unit for recorder
05/28/1986CN85201636U Portable interpreting equipment
05/27/1986US4592042 Record card transducing apparatus and method
05/27/1986US4591939 Waveform equivalent circuit
05/27/1986US4591933 Disk drive head positioner with optimized seek operation
05/27/1986US4591927 Magnetic tape having multiple tracks and recording apparatus therefor
05/27/1986US4591924 Multiplex magnetic recording and reproduction system
05/27/1986US4591528 Magnetic layer of ferromagnetic alloy powder dispersed in resin binder
05/27/1986CA1205193A2 Disk format for secondary storage system
05/27/1986CA1205190A1 Head positioning apparatus
05/27/1986CA1205189A1 Method and apparatus for disk drive alignment
05/27/1986CA1205186A1 Apparatus for recording and/or reproducing video and audio signals
05/27/1986CA1205185A1 Apparatus for recording and reproducing digital signals
05/22/1986WO1986003048A1 Slider with anti-stiction boss
05/22/1986WO1986002880A1 Method of manufacturing synthetic resin union joint
05/21/1986EP0181784A1 Digital signal processing system and method
05/21/1986EP0181577A2 Magnetic head
05/21/1986EP0181422A1 Disc drive head cleaning means
05/21/1986EP0181405A1 Dielectric ceramic material
05/20/1986US4590532 Magnetic disk assembly cartridge for same and recording/reproducing apparatus for use with same
05/20/1986US4590530 Magnetic head
05/20/1986US4590529 Carriage device for moving and positioning magnetic head
05/20/1986US4590527 Positioning servomechanisms
05/20/1986US4590526 Method and apparatus for controlling head movement relative to a disk in an embedded servo system
05/20/1986US4590525 Recording bias oscillating circuit
05/20/1986US4590524 Multitrack PCM reproducing apparatus
05/20/1986US4590523 Control of auto-tracking in tracking-error correcting system of video recording/reproducing apparatus
05/20/1986US4590250 Polyurethane coatings for magnetic recording structures and production thereof
05/20/1986US4590127 Abrasive used in magnetic recording medium and production thereof
05/20/1986US4590119 Polyester film and magnetic recording medium therefrom
05/20/1986CA1204857A1 Information record disc
05/14/1986EP0181263A2 Narrow contour head assembly
05/14/1986EP0180881A2 Flaky iron oxide pigments, process for their preparation and their use
05/14/1986EP0180852A1 Rotary magnetic head device for magnetic recording/reproduction apparatus
05/14/1986EP0180718A2 Arrangement for adjusting the track position during the reproduction of magnetically recorded frequency-modulated signals
05/14/1986EP0180658A1 Device for positioning very small mass objects
05/14/1986EP0180651A1 Magnetic disc and process for producing it
05/14/1986EP0180624A1 Read/write head positioning apparatus
05/13/1986US4589044 Head-cleaning diskette having jacket with removable tab
05/13/1986US4589043 Magnetic head having a thermoplastic or a thermosetting plastic housing
05/13/1986US4589042 Composite thin film transducer head
05/13/1986US4589041 Differential magnetoresistive sensor for vertical recording
05/13/1986US4589040 Magnetic head position adjusting mechanism
05/13/1986US4589037 Servo control system using a varying frequency servo pattern for read/write head positioning in a magnetic recording disk file
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