Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
11/1996
11/19/1996US5576907 Variable speed recording and/or reproducing apparatus including a plurality of rotary heads arranged with head gaps having particular azimuth angles
11/19/1996US5576906 Synchronous detection of concurrent servo bursts for fine head position in disk drive
11/19/1996US5576902 Method and apparatus directed to processing trick play video data to compensate for intentionally omitted data
11/19/1996US5576583 Swing-type actuator
11/19/1996US5576114 High density magnetic recording medium containing hexagonal system ferrite powder
11/19/1996US5576111 Nonmagnetic base plate with surface texture and roughness, high density recording
11/19/1996US5576099 Inductive head lamination with layer of magnetic quenching material
11/19/1996US5576098 Thin film magnetic head
11/19/1996US5576085 Thin-film recording medium with soft magnetic layer
11/19/1996US5576075 Method for production of magnetic recording medium
11/19/1996US5575897 Method of manufacturing soft-magnetic multilayer thin film including re-dissolution effect magnetically isolating layer
11/19/1996CA2051730C Magnetic storage device and manufacturing method thereof
11/14/1996WO1996036049A1 Actuator of disk apparatus, intermediate product of its arm, and their production method
11/14/1996WO1996036044A1 Suspension design for supporting a low mass read/write head
11/14/1996WO1996036043A2 Method of manufacturing a magnetic head having a thin, wear-resistant layer, and magnetic head obtainable by said method
11/14/1996WO1996035987A1 Video media security and tracking system
11/14/1996WO1996035823A1 Transport system for thin film sputtering system
11/14/1996DE19516474A1 Verfahren und Vorrichtung zur Herstellung von magnetischen Aufzeichnungsmedien Method and apparatus for the production of magnetic recording media,
11/14/1996CA2218383A1 Video media security and tracking system
11/13/1996EP0742557A2 Thin film magnetic head for use with magneto-optic disc drive
11/13/1996EP0742551A1 Information recording medium and manufacturing method therefor
11/13/1996EP0742550A2 Magnetic recording medium
11/13/1996EP0742549A2 Magneto-resistive read/write tape head
11/13/1996EP0742473A1 Longitudinal bending interface for thick film magnetic recording
11/13/1996EP0742238A1 Polymer compositions suitable for use as dispersing resins
11/13/1996EP0723697A4 Flex circuit vibration sensor
11/13/1996EP0715758A4 Tape servo using azimuth servo blocks
11/13/1996CN1135642A Negative-pressure type magnetic head slide-block and magnetic-disk device containing said slide-block
11/13/1996CN1135631A Magnetic recording disc having structuralized test tape for controlling slide-block fall-zone structure
11/13/1996CN1135630A Head drum assembly incorporating therein parts coated with piezoelectric thin film layer
11/13/1996CN1135629A Headdrum fitted with component coated with diamond-type carbon
11/13/1996CN1135628A Brushless head drum assembly
11/13/1996CA2175744A1 Dual step metal surfaces electropolishing for improved optical properties and resultant products
11/12/1996US5574961 Phase-separated material (U)
11/12/1996US5574702 Magnetic head current control circuit for use in a magnetic head drive device, and magnetic/magnetooptical recording apparatus using the same
11/12/1996US5574616 Degaussing technique
11/12/1996US5574607 Magnetic disk cartridge
11/12/1996US5574606 For writing and/or reading data into and/or from a magnetic tape
11/12/1996US5574605 Antiferromagnetic exchange coupling in magnetoresistive spin valve sensors
11/12/1996US5574604 Inner diameter disk drive head/slider load/unload device
11/12/1996US5574602 Processing servo signals concurrently read from plural spaced-apart servo areas for a magnetic tape having serpentine data track scanning
11/12/1996US5574565 Data placement on tape for a digital video tape recorder suitable for high speed picture playback
11/12/1996US5574234 Floating-ball device for precise axial alignment between opposing structures
11/12/1996US5574216 Rotary drum centering method and apparatus
11/12/1996US5573897 Smoothness, coextrusion with a dummy layer, drying
11/12/1996US5573863 Oxygen
11/12/1996US5573809 Process for forming a magnetoresistive device
11/12/1996US5573444 Polishing method
11/12/1996US5573200 Hook type coil winding machine
11/12/1996US5572895 Method of mutually displacing at least two parts of an actuator, and actuator for use in such a method
11/12/1996CA2081864C External magnetic field generation apparatus
11/07/1996WO1996035210A1 Method and device for producing magnetic recording media
11/07/1996WO1996035166A1 Enhanced-performance floppy diskette subsystem
11/07/1996WO1996028816A3 Device for optically scanning a recording medium
11/07/1996DE19616606A1 Read=write system adjustment arrangement for magnetic disc data store
11/06/1996EP0741508A2 Apparatus and method for suppression of electromagnetic interference
11/06/1996EP0741382A1 Marking generating apparatus, method of forming laser marking on optical disk, reproducing apparatus, optical disk and optical disk producing method
11/06/1996EP0741381A2 Magnetic recording disk and magnetic recording and reproducing method
11/06/1996EP0740830A1 Disk drive employing adaptive read/write channel for optimizing head-media-channel performance
11/06/1996EP0531516B1 Thin film laminated magnetic record/playback head for high bit densities and data transfer rates
11/06/1996CN1135084A Method for mfg. soft magnetic film
11/06/1996CN1135076A Recording apparatus employing magnetic head driving circuit
11/06/1996CN1135070A Head drum assembly for use in video cassette recorder
11/06/1996CN1135069A Rotary-type information recording/reproducing apparatus
11/05/1996US5572490 E-type magnetic head for magneto-optical recording device
11/05/1996US5572392 Arbitrary pattern write head assembly for writing timing-based servo patterns on magnetic storage media
11/05/1996US5572391 Protective layer to inhibit oxygen diffusion
11/05/1996US5572390 Magnetic head including an apex portion with two chamfered portions having optimized angles
11/05/1996US5572389 Audio head position adjusting device for a video cassette recorder
11/05/1996US5572388 Magnetic disk drive
11/05/1996US5572387 For use in a data storage disk drive
11/05/1996US5572386 Slider for inhibiting stiction
11/05/1996US5572385 Flying magnetic head and flying magnetic head assembly
11/05/1996US5572383 Magnetic floppy disc drive receiving two discs having different sizes
11/05/1996US5572379 Magnetic recording drive having arrangements for average useful life of magnetorestive effects sensors
11/05/1996US5572378 Direct file access system for magnetic tape
11/05/1996US5572331 Video signal recording format, deep recording/reproducing apparatus and method therefor
11/05/1996US5572269 Magnetic head translation system for recording and reproducing on magnetic-on-film layer
11/05/1996US5571595 Quaternary ammonium perfluoropolyether carboxylate lubricant
11/05/1996US5571591 Magnetic film patterning by germanium or silicon diffusion
11/05/1996US5571573 Process of forming magnetic devices with enhanced poles
10/1996
10/31/1996WO1996034384A1 Protective overcoat in a magnetic recording medium
10/30/1996EP0740299A2 Disk drive with precompensation and read equalization
10/30/1996EP0740297A2 Magneto-optical method and apparatus for recording/reproducing data
10/30/1996EP0740288A2 Magnetic head assembly having beveled air skiving transverse slots
10/30/1996EP0739490A1 Method for making magnetoresistive transducers
10/30/1996EP0643866B1 Magnetic recording medium comprising binder that may be cured using both isocyanate and radiation curing techniques
10/30/1996CN1134582A Head signal supply/retrieval structure for magnetic disk drive
10/29/1996US5570261 Transducer suspension system
10/29/1996US5570251 Thin film magnetic device with plural valves of magnetostriction
10/29/1996US5570250 Disk drive head disk assembly actuator mount mechanism
10/29/1996US5570249 Transducer suspension system
10/29/1996US5570248 Method and system using encoded periodic digital sum variation (DSV) as pilot signal and controlling tracking error using crosstalk from the pilot signal
10/29/1996US5570247 Self servo writing file
10/29/1996US5570245 Data erasing device erasing designated data
10/29/1996US5570244 Method and apparatus for controlling assertion of a write inhibit signal using separate threshold values for each of a plurality of recording surfaces
10/29/1996US5570243 Variable delay circuit including current mirror and ramp generator circuits for use in the read channel of a data storage device
10/29/1996US5570241 Single channel, multiple head servo writing with embedded head identification
10/29/1996US5569544 Magnetoresistive structure comprising ferromagnetic thin films and intermediate layers of less than 30 angstroms formed of alloys having immiscible components
10/29/1996US5569533 Thin-film medium with sublayer