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)
10/1998
10/27/1998US5828528 MR sensors with selected resistances for the sensing and biasing layers to enhance reading capabilities
10/27/1998US5828527 Thin-film magnetic head having magnetic resistance effect stabilizing layer
10/27/1998US5828526 Magnetoresistance effect element and magnetic field detection device
10/27/1998US5828525 Differential detection magnetoresistance head
10/27/1998US5828524 Rotary head assembly with angularly displaced heads
10/27/1998US5828523 For recording and/or reproducing a signal
10/27/1998US5828522 Velocity control of head load/unload mechanism in a disk drive using dither
10/27/1998US5828521 Arm unit for hard disk drive
10/27/1998US5828520 Magnetic head-mounted to a tip portion of a carriage via adhesive in an adhesive filling groove
10/27/1998US5828516 Method of detecting position of a head of disk recording system using a digital servo control method
10/27/1998US5828515 Automatic servo control gain compensation technique for hard disk drive
10/27/1998US5828514 Servo error detection in a noisy environment
10/27/1998US5828513 Servo address apparatus and positioning methods for read, write and seek operations in a direct access storage device
10/27/1998US5828511 Writing and reading high density magnetic tapes
10/27/1998US5828510 Magnetic disk recording and playback apparatus using independently formed recorded pattern sets for clock generation
10/27/1998US5828509 Magnetic disk recording and playback apparatus using independently formed recorded pattern sets for clock generation
10/27/1998US5828508 Technique for reducing overhead in a data storage system
10/27/1998US5828507 Method for recording data onto tape-shaped recording media for high-speed retrieval based on system log information recorded in a leading partition
10/27/1998US5828506 Magnetic head interface having a single narrow band of contact for longitudinal edge track record/reproduce on magnetics-on-film (MOF)
10/27/1998US5828491 Phase plate technology for laser marking of magnetic discs
10/27/1998US5828054 Focusing method and system for focus capture and focus control in optical disc system including detection of Quad Sum signal to close focus
10/27/1998US5828031 Head transducer to suspension lead termination by solder ball place/reflow
10/27/1998US5827600 Polymer support, lower layer of polymer binder and non-magnetic powder, thin upper magnetic layer of polymer binder and ferromagnetic powder; minimization of signal loss with wet-on-wet coating
10/27/1998US5827599 Edge face of back layer does not protrude; reduced frequency of powder falling onto surface of magnetic layer
10/27/1998US5826326 Method for manufacturing a composite metal and ferrite head transducer
10/27/1998US5826325 Method of merging heads
10/27/1998US5826292 Disk cleaning and drying apparatus
10/22/1998WO1998047144A1 Device and method for storing data on a hard disk
10/22/1998WO1998047137A1 Runout calibration for disc drive system
10/22/1998WO1998046966A1 Apparatus and methods for measuring gaps while compensating for birefringence effects in the measurement path
10/22/1998WO1998046392A1 Method of making tape support surface by laser micro-machining
10/22/1998WO1998031009A3 Actuator bearing cartridge for top down assembly
10/22/1998WO1998014935A3 A magnetic recording head having a carbon overcoat array on slider air bearings surfaces
10/21/1998EP0872829A1 Device for the treatment of magnetic recording tapes
10/21/1998EP0872828A2 Thin film magnetic head
10/21/1998EP0872815A2 Improved control of magnetic printed sheets
10/21/1998EP0872760A1 Magnetically coated film with azimuth recorded tracks
10/21/1998EP0871867A1 Method and apparatus for positioning a magnetoresistive head
10/21/1998EP0761002B1 Servo-writing system for use in a data recording disk drive
10/21/1998CN1196815A Crash stop airlock mechanism
10/21/1998CN1196814A Current perpendicular-to-plane spin valve type magnetoresistive transducer
10/21/1998CN1196549A 磁头及其制造方法 The magnetic head and manufacturing method thereof
10/21/1998CN1040334C Carboxylic-acid functional polyurethane polymers and their use in magnetic recording media
10/20/1998US5825971 Magnetic head replacement structure in helical scan magnetic recording and reproducing apparatus and method thereof
10/20/1998US5825969 Information management apparatus for inhibiting reproduction in a video cassette recorder
10/20/1998US5825596 Hard disk drive
10/20/1998US5825595 Apparatus for reading data
10/20/1998US5825594 Magneto-resistance effect-type magnetic head
10/20/1998US5825593 Electric field modulated MR sensor
10/20/1998US5825592 Magnetic head with bobbin attached to a slidable contact body
10/20/1998US5825591 Frictionally sliding head magnet disk apparatus
10/20/1998US5825590 Magnetic head suspension mechanism with a thin film thereon for creating a bent portion of a vibration absorbing portion
10/20/1998US5825589 Low stiffness apparatus for supporting a read/write transducer head slider
10/20/1998US5825588 For supporting a transducer
10/20/1998US5825587 Shallow etch air bearing surface features for optimized transducer spacing
10/20/1998US5825582 Sliding mode control of a disk drive actuator for positioning a read/write head over a selected track during seeking and tracking operations
10/20/1998US5825581 Magnetic disk drive where seek speed depends on atmospheric pressure and seek direction
10/20/1998US5825580 Data recording/reproducing device and burst position conversion coefficient setting method in the same
10/20/1998US5825579 Disk drive servo sensing gain normalization and linearization
10/20/1998US5825578 Method and apparatus for compensating track position due to written-in runout error in a disc drive
10/20/1998US5825577 Magnetic disk device for detecting a floating state of a magnetic head
10/20/1998US5825576 Information storage unit with magnetic information disc
10/20/1998US5825575 Controlling voice coil motor of hard disk drive for decentralizing abrasion of parking zone of disk
10/20/1998US5825570 PRML regenerating apparatus having reduced number of charge pump circuits
10/20/1998US5825569 Constant-density magnetic disc apparatus and magnetic disc used therefor
10/20/1998US5825568 For use in a disk recording apparatus
10/20/1998US5825567 Apparatus for recording digital signals by controlling frequency characteristics of digital signals utilizing bit extraction and interleaved NRZI molulation
10/20/1998US5825409 Flexible disk mode observer
10/20/1998US5825318 Data and servo sampling in synchronous data detection channel
10/20/1998US5825181 Multi-impact thermal asperity sensor head
10/20/1998US5825180 Magnetic disk test apparatus having heads moveable along substantially parallel axes
10/20/1998US5825179 For testing a magneto-resistive head assembly
10/20/1998US5824920 Method of obtaining a limit glide height
10/20/1998US5824611 For print head, photo or optic sensors, rollers
10/20/1998US5824427 Magnetic recording media and methods for producing the same
10/20/1998US5824409 Iron and platinum thin films, ultra-high density magnetic recording media
10/20/1998US5824387 Magnetic disc with carbon protective layer having regions differing in hardness
10/20/1998US5824386 Very smooth, polished with silica
10/20/1998US5824361 Magnetic head fabrication process
10/20/1998CA2163751C Magnetic tape recording head cleaning apparatus
10/15/1998WO1998045841A1 Improved suspension design for a head gimbal assembly
10/15/1998WO1998045837A2 Bearing for supporting a rotatable member in a recording/reproducing apparatus
10/15/1998WO1998045836A1 Recording format for automatic adjustement, recording device therefor, and automatic adjustement device
10/15/1998WO1998045073A1 Method of producing magnetic metal powder
10/14/1998EP0871231A2 Magnetoresistive element
10/14/1998EP0871174A1 Discoidal recording medium, head slider and recording and/or playback apparatus
10/14/1998EP0871172A2 Method and medium for recording digital data
10/14/1998EP0871159A2 Magnetic recording medium
10/14/1998EP0870270A1 A device for releasably securing a read and/or write head
10/14/1998EP0870269A1 Method and apparatus for secure data storage and manipulation using magnetic media
10/14/1998EP0869981A1 Carboxylic acid functional polyurethane polymers and blends thereof used in magnetic recording media
10/14/1998EP0803119B1 Disk drive stiction release system
10/14/1998EP0575624B1 Circuit for equalizing waveform of signal reproduced by thin film magnetic head
10/14/1998CN2294514Y Floppy disk
10/14/1998CN1196119A Coated substrate drying system
10/14/1998CN1195854A Head slider having trapezoidal shape
10/14/1998CN1195852A Record compensation apparatus of video cassette recorder
10/14/1998CN1195842A Cyclic tape
10/14/1998CN1195841A Head drum assembly for tape recorder
10/14/1998CN1195840A Manufacturing method for magnetic heads
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