Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
06/1992
06/23/1992US5124961 Floating head for use with a recording apparatus of magneto-optical memory device
06/23/1992US5124870 Thin film magnetic head having multilayer winding structure
06/23/1992US5124869 Matrix device with magnetic heads, notably in thin layers
06/23/1992US5124866 Recording head core yoke with full length core support
06/23/1992US5124865 Microminimonolithic magnetic head slider having vertically extending slots to reduce flux leakage losses
06/23/1992US5124864 Magnetic head supporting device including a flexible member of polymeric resinous material
06/23/1992US5124853 Information signal recording apparatus recording pilot signals for tracking control
06/23/1992US5124851 Data recording apparatus with recorded data verifying means
06/23/1992US5124807 Dual deck videocassette recorder system
06/23/1992US5124424 Polyurethane resin binder for magnetic recording mediums comprising a polycarbonate polyol
06/23/1992US5124207 Magnetic iron oxide particles
06/23/1992US5124184 Films containing liquid crystalline polymers
06/23/1992US5123933 Applying lapping tape having abrasive particles of diamond and aluminium oxide or silicon carbide; minimization or surface roughness
06/23/1992US5123376 Apparatus for manufacturing magnetic recording medium
06/23/1992US5123156 Method for the production of a read-write magnetic head
06/23/1992CA1304157C Magnetic tape system with write retry means
06/21/1992WO1992011631A1 Recording media containing (fluorinated phenoxy) (3-perfluoroalkylphenoxy)-cyclic phosphazene lubricant
06/21/1992CA2097293A1 Recording media containing (fluorinated phenoxy) (3-perfluoroalkylphenoxy)-cyclic phosphazene lubricant
06/21/1992CA2058102A1 Viterbi decoding system including variable-order equalizer
06/20/1992CA2057752A1 Data preservation method
06/19/1992CA2054072A1 Apparatus and method for transducer crosstalk cancellation in a disk drive system
06/17/1992EP0490876A2 Method of and apparatus for positioning transducers by digital conversion of analog signals
06/17/1992EP0490669A2 A magnetic recording system
06/17/1992EP0490665A1 Biaxially oriented polyester film for magnetic recording media
06/17/1992EP0490646A1 Magnetic recording medium
06/17/1992EP0490608A2 Magnetoresistive sensor
06/17/1992EP0490485A2 Rotating memory system
06/17/1992EP0490345A1 Non-magnetic substrate of magnetic head, Magnetic head and method for producing substrate
06/17/1992EP0490327A1 Multilayer which shows magnetoresistive effect and magnetoresistive element using the same
06/17/1992EP0490223A1 Magnetic recording media
06/17/1992EP0490201A1 Magnetic recording medium
06/17/1992EP0490138A2 Apparatus for dubbing a recorded video tape in synchronism with the playing of the video tape
06/17/1992EP0490069A2 Magnetic disk drive
06/17/1992EP0489760A1 Data transfer head
06/17/1992EP0119201B1 An improved automatic head position tracking servo for a rotary head magnetic tape recording and reproducing apparatus
06/17/1992DE4141204A1 Automatic track finding system for magnetic tape recorder - uses pilot signal with four frequency components to generate aliasing signals used to determine track error
06/17/1992DE4039849A1 Circuitry generating data clock signals for magnetic disc store - uses PLL with ring oscillator based upon delay stages
06/16/1992US5123006 High density recording and reproduction system and method
06/16/1992US5122917 Unitary read-write head array for magnetic media
06/16/1992US5122916 Electromagnetic head having interference compensation circuitry
06/16/1992US5122915 Low-noise preamplifier for magneto-resistive heads
06/16/1992US5122912 Signal processing apparatus selecting a scrambled signal having a desired dc component from among a plurality of scrambled signal obtained by scrambling an input-data signal with respective pseudo-random signals
06/16/1992US5122703 Integrally molded armature for swing-type actuator
06/16/1992US5122702 Rotary voice coil motor with a flat coil
06/16/1992US5122423 Durable, having fewer defects
06/16/1992US5122414 Magnetic recording medium and method for making
06/16/1992US5122392 Method and apparatus for manufacturing magnetic recording medium
06/16/1992CA1303733C Tracking servo system for disc memory
06/16/1992CA1303731C Method and apparatus for locating the edge of a magnetic tape
06/16/1992CA1303730C Recording and/or reproducing apparatus for longitudinal recording
06/16/1992CA1303729C Method and apparatus for recording and/or reproducing a pcm signal
06/16/1992CA1303665C Bulk degausser
06/11/1992WO1992009945A2 Small envelope disk drive
06/10/1992EP0489088A1 Magnetic head positioner
06/10/1992EP0489040A1 Process and device for copying magnetic tapes.
06/09/1992US5121371 Optical servo system for magnetic disk
06/09/1992US5121274 Magnetic head having feninb gap layer
06/09/1992US5121273 Computer disk head interconnect assembly
06/09/1992US5121270 Multitransducer head positioning servo for use in a bi-directional magnetic tape system
06/09/1992US5121266 Magnetic recording/reproducing apparatus
06/09/1992US5121265 Magnetic recording and reproducing apparatus
06/09/1992US5121264 Method and apparatus for reproduction of magnetic tape by using rotary drum heads
06/09/1992US5121260 Read channel optimization system
06/09/1992US5121259 Video tape recorder with after-recording capability
06/09/1992US5121258 Apparatus for anhysteretic duplication of a flexible magnetic disk
06/09/1992US5121057 Media flaw detection apparatus for a magnetic disk drive with squaring and summing of in-phase and quadrature-phase detected signals
06/09/1992US5120927 High track density media with optical servo tracks and method and apparatus for inscribing the tracks on the media
06/09/1992US5120615 Magnetic disk substrate and method of manufacturing the same
06/09/1992US5120608 Magnetic recording media comprising a polyurethane binder resin containing perfluoro groups
06/09/1992US5120604 Particles coated with multilayers of spinel ferrites, the lower layer containingcobalt and the upper layer containing manganese and/or nickel and zinc; coercive force and erasing characteristic
06/09/1992US5120603 Magneto-optic recording medium with oriented langmuir-blodgett protective layer
06/09/1992US5119537 Method for assembling the actuator mechanisms of a magnetic disk apparatus
06/04/1992DE4038322A1 Thin film magnetic head for magnetic disc memory - has optimised geometry to provide high efficiency operation
06/03/1992EP0488892A2 Recording signal amplifier apparatus
06/03/1992EP0488811A2 Magnetic recording and reproducing apparatus
06/03/1992EP0488752A2 Digital signal recording apparatus using a rotary head
06/03/1992EP0488725A1 Data storage system
06/03/1992EP0488658A2 Rotary head adjuster
06/03/1992EP0488657A2 Magnetic recording medium
06/03/1992EP0488640A2 Signal recording apparatus
06/03/1992EP0488539A2 Method of manufacturing flying magnetic head
06/03/1992EP0488377A2 Magnetic recording medium and method of magnetically recording analog or, preferably, digital picture signals
06/03/1992EP0488276A2 Diagnostic system of magnetic recording channel and magnetic disk drive apparatus
06/03/1992EP0487914A2 Stiffened load beam for a magnetic disk drive
06/03/1992EP0449853A4 Self-compensating high density data recording and detection scheme
06/03/1992EP0185764B1 Magnetic recording/reproducing apparatus
06/03/1992CN1061673A Magnetooptical recording media
06/02/1992USRE33949 Vertical magnetic recording arrangement
06/02/1992US5119259 Magnetic disk
06/02/1992US5119258 Magnetic disc with low-friction glass substrate
06/02/1992US5119257 Rotary head device having a motor within the rotary drum, and magnetic recording and reproducing apparatus using the same
06/02/1992US5119256 Head cleaning device for a floppy disk drive
06/02/1992US5119255 Magnetic saturation controlled scanning magnetic transducer
06/02/1992US5119254 Data transducer position control system for rotating disk data storage equipment
06/02/1992US5119249 Tracking error detection circuit using pilot signals during tape reproduction
06/02/1992US5119248 Method of recording servo signals
06/02/1992US5119244 Method and apparatus for recording data information on a magnetic recording medium
06/02/1992US5119243 Digital signal magnetic recording/reproducing apparatus
06/02/1992US5118976 Controlled-drag voice coil magnetic actuator
06/02/1992US5118580 Magnetic recording media prepared from polyurethane copolymers formed utilizing an interferter compound