Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
02/1992
02/12/1992EP0470863A1 A magnetic recording and reproducing apparatus
02/12/1992EP0470826A1 Magneto-optical recording system
02/12/1992EP0470792A1 Method of digital signal recording
02/12/1992EP0470687A2 Magneto-resistive sensor
02/12/1992EP0470472A2 Audio signal recording and playback apparatus of magnetic recording and playback apparatus
02/12/1992EP0470400A2 Data head positioning signal generating method and apparatus therefor
02/12/1992EP0470363A1 Magnetic tape with abrasive
02/12/1992EP0470349A2 A disk drive in which magnetic head-to-disk capacitive coupling is eliminated
02/12/1992EP0470138A1 Temperature-resistant, play-free bearing arrangement for a rotary component
02/12/1992CN2096111U Multi-purpose bio-electric information trans-and storage device
02/12/1992CN1015497B Magneto-optical disc memory alloy material and preparation method thereof
02/12/1992CN1015496B Magnetic head air bearing slider
02/11/1992US5087996 Disk drive method and apparatus
02/11/1992US5087995 Information signal reproducing apparatus for effecting tracking control by using three or more rotary heads
02/11/1992US5087992 Method for assigning tracks on a magnetic data storage disk to different read/write frequency zones
02/11/1992US5087526 Dimensional stability, flatness
02/11/1992US5087501 Non-magnetic substrate coated with a ferromagnetic powder and resinous binder; low deformation ratio; high density recording; durable
02/11/1992US5087482 Method of manufacturing magnetic recording medium capable of recording information at a high recording density
02/11/1992US5087481 Polishing substrate to reduce or eliminate surface cracking, and etching
02/11/1992US5087332 Process for making a thin film magnetic head with single step lift-off
02/11/1992US5086553 Method of producing a fly-type composite magnetic head with appropriate bonding glasses
02/11/1992CA1295733C Signal recording and/or reproducing apparatus
02/11/1992CA1295702C Rotating transformer
02/06/1992WO1992002015A2 Method for producing write and/or read heads for magnetic recording
02/06/1992WO1992002014A1 Magnetic head
02/06/1992WO1992001629A1 Vaterite and production method
02/06/1992WO1992001570A1 Magnetic card and method of preventing forgery of data
02/06/1992DE4124573A1 Magnetic disc recording system - has head elements set into sliding carrier of sintered material
02/06/1992DE4116702A1 Tracking regulator for video or DAT - has guide roller eccentrically mounted and moved by actuator to vary tape position
02/05/1992EP0469931A1 Magnetic recording and reproduction apparatus for data processing unit and magnetic tape for use in such apparatus
02/05/1992EP0469706A1 Method and means for index pulse generation in a data storage system
02/05/1992EP0469623A2 Optical magnetic disk
02/05/1992EP0469600A1 Semiconductor integrated circuit containing a circuit having an impedance circuit externally attached thereto
02/05/1992EP0469431A1 Erasing device for magnetic recording media
02/05/1992EP0469319A2 A non-invasive laser positioning system for rotary actuators
02/05/1992EP0469191A2 Gear drive carriage and stepper adjustment system
02/05/1992EP0468962A1 Process for positioning a magnetic-disc memory, and device for carrying out the process
02/04/1992US5086362 Multiple-track magnetic recording head having a matrix of magnetic microheads
02/04/1992US5086361 Rotary head drum for video tape recorder
02/04/1992US5086360 Constant flying height slider
02/04/1992US5086345 Method of operation in a still video camera system for transferring track information from a playback device to the still video camera
02/04/1992US5085941 Sulfonated hydroxy functional polyurethane binder
02/04/1992US5085935 Flux spreading thin film magnetic devices
02/04/1992US5085915 Magnetic recording medium
02/04/1992US5085911 Hard surface, low friction coefficent nosticking
02/04/1992US5085889 Multistep mixing with solvent, polymer binder, dispersants to form dispersion, applying as layer and drying
02/04/1992US5085800 Glycol dispersion of precipitated calcium carbonate
02/04/1992US5084957 Method for aligning thin film head pole tips
02/04/1992CA1295419C Method and apparatus for eliminating apparent offset in the servo code in a magnetic disc drive
02/04/1992CA1295418C Combined magnetic channel signal sensor and servo control track following system and method
01/1992
01/29/1992EP0468778A2 A magnetic recording medium and a method of manufacturing the same
01/29/1992EP0468746A2 Video Signal reproducing apparatus
01/29/1992EP0468744A2 Driver device of magnetic heads for magnetic record and reproduction
01/29/1992EP0468740A2 Floating magnetic head and method of production thereof
01/29/1992EP0468488A1 Method for making a magnetic recording medium
01/29/1992EP0468129A1 A rotary magnetic head apparatus
01/29/1992EP0468113A1 Multi-track magnetic head
01/29/1992CN2094784U Erasing magnetic head capable of supplying magnetic biasing voltage
01/28/1992US5084798 Magnetic tape apparatus with electrically conductive plastic head support
01/28/1992US5084797 Magnetic head with two canted gaps and the manufacturing method thereof
01/28/1992US5084795 Magnetic head and method of manufacturing the same
01/28/1992US5084794 Shorted dual element magnetoresistive reproduce head exhibiting high density signal amplification
01/28/1992US5084793 Mechanical apparatus having a mechanism for preventing conglutination of contact parts
01/28/1992US5084791 Head position control system for fixed drive including position encoder, temperature sensor and embedded fine servo information
01/28/1992US5084786 Magnetic tape memory apparatus with axially displaced heads enabling after recording and verification
01/28/1992US5084766 Video signal reproducing apparatus having page rolling prevention
01/28/1992US5084640 Eddy current brake with N impedence gaps
01/28/1992US5084343 Wear resistant layer of Co-FeOx in binder
01/28/1992US5084342 Magnetic recording medium
01/28/1992US5084341 Magnetic recording medium comprising a polyurethane resin having a thio, thiocarboxy or dithiocarboxy group; a vinyl chloride resin containing a polar group and a hyroxy group; and a polyisocyanate compound
01/28/1992US5084336 Backing coating of binder and nonmagnetic particle
01/28/1992US5084335 Magnetic recording medium comprising upper and lower magnetic layers
01/28/1992US5084319 Disk-shaped magnetic recording media, their production and information stores containing these recording media
01/28/1992US5084152 Radiofrequency sputtering for preparing a cobalt, chromium and tantalum on chromium
01/28/1992US5084129 Method of producing composite type, metal-in-gap magnetic head core
01/28/1992US5083365 Process for manufacturing a magnetic head
01/28/1992CA2022137A1 Cassette reel lock control apparatus
01/28/1992CA1294835C Modified powder or particulate material
01/27/1992CA2022000A1 Magnetic disc
01/23/1992WO1992001286A1 Circuit arrangement for reversing a magnetic field
01/23/1992WO1992001285A1 Circuit for reversing a magnetic field
01/23/1992WO1992001283A1 Low height disk drive
01/22/1992EP0467737A1 Magnetic read-out device with a matrix network of read heads
01/22/1992EP0467736A1 Magnetoresistive effect read-out magnetic head
01/22/1992EP0467615A2 Magnetic storage system and method of operation
01/22/1992EP0467556A1 Disk apparatus and manufacturing method thereof
01/22/1992EP0467511A1 Apparatus for centering a transducer over a track on a magnetic disk in a disk drive system
01/22/1992EP0467457A1 Thin-film magnetic head
01/22/1992EP0467289A2 Magnetic recording medium
01/22/1992EP0467263A2 Thin film magnetic head and method for manufacturing the same
01/22/1992EP0277958A4 System and method to improve picture quality during shuttling of video tapes
01/21/1992US5083230 Access mechanism for magnetic disk apparatus
01/21/1992US5083229 Disk drive with minimized head-arm excursions
01/21/1992US5083228 Tracking error detecting circuit
01/21/1992US5083227 Arrangement for reproducing an electric signal
01/21/1992US5083226 Magnetic disk drive
01/21/1992US5083225 Digital signal recording and playback apparatus
01/21/1992US5083211 Method and apparatus for optimizing video recording and reproduction
01/21/1992US5082827 Recording head suspension utilizing superconductor means
01/21/1992US5082750 Nickel phosphide, chromium, cobalt-chromium-niobium alloy