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)
08/1998
08/18/1998US5796559 Signal transmitting device with an optical coupler for use in a head drum assembly
08/18/1998US5796558 Adaptive micro-actuated head gimbal assembly
08/18/1998US5796557 Disk drive architecture including a current-induced latching device
08/18/1998US5796556 Flex on suspension design minimizing sensitivities to environmental stresses
08/18/1998US5796555 Transducer suspension system having bosses with different inner diameters, and equal outer diameters
08/18/1998US5796554 For attachment to an actuator arm in a disk drive
08/18/1998US5796553 Disk drive head suspension having gaps in the load beam which are at least partially filled with or covered by damping material
08/18/1998US5796552 Suspension with biaxially shielded conductor trace array
08/18/1998US5796551 Landing pads for air bearing sliders and method for making the same
08/18/1998US5796550 Method and apparatus for providing diverging rail edge geometry for air bearing slider
08/18/1998US5796549 Thin film magnetic head
08/18/1998US5796546 Disk apparatus for controlling a seek operation of a read/write head to a target location of a recording disk
08/18/1998US5796545 Device and method for calibrating a time constant of one or more filter circuits
08/18/1998US5796544 Disk drive system which uses a common DAC for digital positioning control and analog positioning control
08/18/1998US5796543 Data track pattern including embedded servo sectors for magneto-resistive read/inductive write head structure for a disk drive
08/18/1998US5796542 Servo-track writer system having a plurality of engaging pins co-axially rotated with head actuator pivot axes
08/18/1998US5796541 Servo track writing measurement of gapped initial clock track to write full clock track
08/18/1998US5796539 Magnetic disk apparatus for a magnetic disk having projections provided thereon
08/18/1998US5796537 Method and arrangement for servoing and formatting magnetic recording tape
08/18/1998US5796535 Sampled amplitude read channel employing a user data frequency synthesizer and a servo data frequency synthesizer
08/18/1998US5796534 Apparatus which performs an ID operation simultaneously with a servo operation using a data recording medium with the ID area recorded immediately before the servo area
08/18/1998US5796533 System for magnetic contact duplication
08/18/1998US5795663 Magnetoresistive multilayer film and methods of producing the same
08/18/1998US5795646 Magnetic recording medium
08/18/1998US5795645 Magnetic recording medium
08/18/1998US5795642 Layer of ferromagnetic powder of iron and group iii element; storage stability
08/18/1998US5795490 Magnetic head damage evaluation method and apparatus therefor
08/18/1998CA2133710C Digital video tape recording/reproducing method for trick play
08/13/1998WO1998035345A1 Magnetic recording medium
08/12/1998EP0858074A2 Encoding device and decoding device suitable for dubbing
08/12/1998EP0858070A1 Disc medium substrate and disc device
08/12/1998EP0857693A1 Processes for producing hydrated iron oxide and ferromagnetic iron oxide
08/12/1998EP0655960B1 Pneumatic hub locking device for etching optical servo tracks on magnetic disks
08/12/1998EP0645043B1 Apparatus for and method of verifying etching of optical servo information on magnetic media
08/12/1998EP0644814B1 Exhaust and particle wastes collecting device for laser etching
08/12/1998CN1190482A Magnetic head and process for producing the head
08/11/1998US5794226 Image manipulating system including means for assigning a file name
08/11/1998US5794056 System for automatic buffering of commands for DASD units
08/11/1998US5793922 Channel code input and reproduction method of frame switcher and channel code reproduction apparatus
08/11/1998US5793743 Reading a magnetic storage medium with a probe that detects tunneling current induced in a magnetic layer by a non-ionizing light beam
08/11/1998US5793580 Mechanically actuated head cleaner for magnetic tape drive
08/11/1998US5793579 Thin film magnetic head and process for producing same
08/11/1998US5793578 Thin film induction recording head having an inset first insulation layer that defines zero throat height and pole tip apex angle
08/11/1998US5793577 Planar geometry thin film head with shaped poles
08/11/1998US5793576 Disk drive with a thermal asperity reduction circuitry using a magnetoresis sensor
08/11/1998US5793575 Rotary transformer for a video cassette recorder having a stator and a rotor equipped with coils
08/11/1998US5793574 Tape head actuator assembly having a shock suppression sleeve
08/11/1998US5793573 Hybrid actuator servo actuated tape drive having a pivotally mounted motion transmission member
08/11/1998US5793572 Shock resistant actuator latch for a disk drive
08/11/1998US5793571 Method for manufacturing a head suspension with a microactuator
08/11/1998US5793570 Magnetic head
08/11/1998US5793569 Three piece suspension
08/11/1998US5793568 Air bearing slider deflection apparatus and method for fabricating same
08/11/1998US5793562 Head drum protector for magnetic recording and reproducing apparatus
08/11/1998US5793560 Storage device having vibratory head
08/11/1998US5793559 In drive correction of servo pattern errors
08/11/1998US5793558 Method for seek time optimization employing voice-coil motor current saturation level to define an adaptive deceleration profile
08/11/1998US5793557 Signal reproducing apparatus
08/11/1998US5793556 High speed PES demodulator
08/11/1998US5793555 Seek optimization for disk files with side-by-side head
08/11/1998US5793554 Self-servowriting system with dynamic error propagation reduction
08/11/1998US5793553 Method and assembly for increasing storage device reliability
08/11/1998US5793552 Method and apparatus for high speed searching in arcuate scan tape drives
08/11/1998US5793551 Amplifier having a differential input capacitance cancellation circuit
08/11/1998US5793550 Magnetoresistive head using sense currents of opposite polarities
08/11/1998US5793548 Fault tolerant sync mark detector for comparing a sign and magnitude of a detected sequence to a target sync mark in sampled amplitude magnetic recording
08/11/1998US5793546 Data transmitting apparatus and data reproducing apparatus using format compatibility to achieve upward and downward compatibility
08/11/1998US5793279 Methods and compositions for optimizing interfacial properties of magnetoresistive sensors
08/11/1998US5793207 Disk drive with a thermal asperity reduction circuitry using a spin valve sensor
08/11/1998US5792718 Compound magnetoresistance effect materials and method for making the same
08/11/1998US5792570 Magnetic recording medium
08/11/1998US5792569 Magnetoresistive device; sensitivity
08/11/1998US5792564 Cobalt platinum alloy containing oxygen
08/11/1998US5792548 Magnetic recording medium having a magnetic layer and an intermediate layer of specified composition
08/11/1998US5792547 Low noise magnetic head for high frequency recording
08/11/1998US5792546 Magneto-resistive head and method of producing the same
08/11/1998US5792543 Tapes, ferromagentic alloy
08/11/1998US5792510 Forming metal alloy film on substrate, forming transition metal film thereon, heating, exposing to hydrogen gas which is absorbed by metal film, cooling to transfer hydrogen into alloy film, heating to desorb
08/06/1998WO1998034230A2 Recording of trick play signals on a record carrier
08/06/1998WO1998034228A2 Recording of a trick play signal in a helical scan type recording apparatus
08/06/1998WO1998034227A2 Recording of a trick play signal on a record carrier
08/06/1998WO1998034226A2 Recording of trick play signals on a record carrier
08/06/1998WO1998034225A2 Sync block numbering of trick play signals during recording of such signals on a record carrier
08/06/1998WO1998034224A2 Direction identifier for recording of trick play signals on a record carrier
08/06/1998WO1998034221A1 Process for producing a pole-trimmed writer in a magnetoresistive read/write head and a data transducer made thereby
08/06/1998WO1998034219A2 Suspension with biaxially shielded conductor trace array
08/06/1998WO1998034092A2 Object inspection and/or modification system and method
08/06/1998CA2250821A1 Recording of a trick play signal on a record carrier
08/05/1998EP0856837A1 Magnetic disk and magnetic recording/reproduction apparatus
08/05/1998EP0856380A2 Method for processing using beam of magnetic line of force, apparatus for carrying out said method, and carriage member for hard disk drive processed by said method
08/05/1998CN1189912A Method and appts. for special analysis in a disk recording system
08/05/1998CN1189675A Magnetoresistive device and magnetoresistive head
08/04/1998US5790433 Method for controlling laser power in a texturing process
08/04/1998US5790353 Composite magnetic head having minimal crosstalk, maximal head output and mitigated sliding surface deformation
08/04/1998US5790352 Magnetoresistive head with asymmetric leads
08/04/1998US5790351 Magnetoresistive head with conductive underlayer
08/04/1998US5790350 Head drum assembly for a VCR with a shaft including a vertical groove and a slanted groove
08/04/1998US5790349 Rotary head device
08/04/1998US5790348 Head stack assembly having a coil portion for damping vibrations which includes elongated openings in the plastic portion
08/04/1998US5790347 Head suspension load beam and flexure construction for reducing structural height
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