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)
12/1999
12/22/1999CN1239570A Magnetic recording mediumand magnetic recorder/reproducer comprising same
12/22/1999CN1239491A Polyester compsn. and film made therefrom
12/22/1999CN1239296A By-pass write drivers for high-performance data recording
12/22/1999CN1239295A Focus capture for optical disc system
12/22/1999CN1239294A Focus capture for optical disc system
12/22/1999CN1239288A Method of changing rotational rate of storage medium from initial rate to desired rate
12/22/1999CN1239287A Servo control system for information storage device
12/22/1999CN1239286A Focusing method and system for focus capture and focus control in optical disc system including detection of quad sum signal to close focus
12/22/1999CN1239285A Analog to digital converter and assembly for use in optical drive system and method therefore
12/22/1999CN1239279A Disk apparatus having improved head carriage structure
12/22/1999CN1239278A Apparatus and method for lapping magnetic heads
12/22/1999CN1047710C Data placement on tape for digital video tape recorder suitable for high speed picture playback
12/21/1999US6006006 Frame pulse generation apparatus for a video cassette recorder
12/21/1999US6005798 Magnetoresistance effect device, and magnetoresistance effect type head, memory device, and amplifying device using the same
12/21/1999US6005753 Magnetic tunnel junction magnetoresistive read head with longitudinal and transverse bias
12/21/1999US6005752 Magnetic data recording/reproducing device having a linear motor which includes a pair of coils integrally assembled with a carriage assembly on both sides thereof
12/21/1999US6005751 Recording head skewed read gap/write gap positioning
12/21/1999US6005750 Head suspension including coupled flexure and damper constraint layer
12/21/1999US6005748 Spindle motor with multiple thrust plate fluid dynamic bearing
12/21/1999US6005747 High capacity disk drive with two stator windings
12/21/1999US6005743 Disk drive with multiple actuators on a single axis and disk surfaces of differing track pitch
12/21/1999US6005742 Method and apparatus for controlling a multiple-stage actuator for a disk drive
12/21/1999US6005741 Reproducing apparatus using pilot signal crosstalk for tracking control and using pilot signals to eliminate a back lock condition
12/21/1999US6005740 Method and apparatus for developing position error curves for magneto-resistive heads
12/21/1999US6005739 Technique for controlling the position error signal of a disk drive
12/21/1999US6005738 Methods and systems for self-servo-writing including writing positioning and timing bursts at different track pitches
12/21/1999US6005736 Method and means for active shock protection in a magnetic disk storage device using electrostatic forces
12/21/1999US6005733 Preamplifier bias circuit for use in an AC coupled magnetoresistive read head amplifier
12/21/1999US6005732 Device and method for restoring data in digital VCR
12/21/1999US6005731 Channel quality circuit employing a test pattern generator in a sampled amplitude read channel for calibration
12/21/1999US6005729 Analog signal processing circuit with integrated gain and timing error signal processing
12/21/1999US6005728 Disk recording medium for embodying high capacity hard disk drive
12/21/1999US6005727 Servo decoder for decoding an error correcting servo code recorded on a disc storage medium
12/21/1999US6005726 Apparatus for compensating thermal asperity and DC undershoot in the data channel of a disk storage system
12/21/1999US6005725 Variable zone layout and track pitch parameter considerations for information storage disk drive
12/21/1999US6005667 Optical displacement measurement apparatus and information recording apparatus
12/21/1999US6005507 Data decoding apparatus
12/21/1999US6004654 Magnetic multilayer film, magnetoresistance element, and method for preparing magnetoresistance element
12/21/1999US6004487 Laser for texturing surfaces and rotation of magnetic recording disks
12/21/1999US6004473 Magnetic write head having a coil with submicron pitch
12/21/1999US6004472 Dual etch step process for making a three etch depth air bearing slider
12/21/1999US6004437 Thin-film magnetic recording head manufacturing method
12/21/1999US6004030 Calibration apparatus and methods for a thermal proximity sensor
12/21/1999US6003364 Glide head for testing a disc surface
12/21/1999US6003361 System for predicting accurate MR sensor height
12/21/1999US6003223 Common alignment target image field stitching method for step and repeat alignment in photoresist
12/16/1999WO1999065022A2 E-block actuator assembly
12/16/1999WO1999065020A2 Laminated e-block actuator assembly
12/16/1999WO1999065019A2 Parallel coded spread spectrum communication for data storage
12/16/1999DE19926489A1 Head unit for magnetic disc system
12/15/1999EP0964397A2 Digital information recording-reproducing apparatus
12/15/1999EP0939956A4 Writing and reading high density magnetic tapes
12/15/1999EP0756744B1 Arrangement for reproducing n digital signals from n adjacent tracks on a record carrier
12/15/1999EP0746848A4 Synchronous read channel
12/15/1999CN1238525A Miniactuator with integrated sensor and drivers and method of manufacturing the same
12/15/1999CN1238523A Hi-Fi audio signal recording/playback apparatus using video heads
12/15/1999CN1238520A Composite ramp structure for data storage devices
12/14/1999US6003051 Magnetic storage device and filter adjusting method applied to the same
12/14/1999US6002836 Recording and reproducing apparatus in which digital data having various transmission rates are processed at their optimum data rates
12/14/1999US6002555 Thin film magnetic head
12/14/1999US6002554 Multitrack coupled element read head with support structure to eliminate shorting and method for manufacturing same
12/14/1999US6002553 Giant magnetoresistive sensor
12/14/1999US6002552 Adaptive loading/unloading suspension
12/14/1999US6002551 Suspension attachment technique and apparatus for attaching suspension to an actuator arm in a disk drive
12/14/1999US6002550 Magnetic head assembly with ball member for electrically connecting the slider member and the suspension member
12/14/1999US6002549 Dither microactors for stiction release in magnetic disc drives
12/14/1999US6002548 Magnetic head supporting mechanism
12/14/1999US6002547 Disk drive with a rotatably mounted disk drive motor
12/14/1999US6002544 Head positioning control system for use in a disk drive using different target velocity data for read and write seeks
12/14/1999US6002542 Magnetic disc read head positioning device and method
12/14/1999US6002541 Method and apparatus for providing a linear position error sensing (PES) signal
12/14/1999US6002540 Method and apparatus for rotary actuator arc compensation correction in a direct access storage device
12/14/1999US6002539 Method for calibrating a dual element magnetoresistive head
12/14/1999US6002538 PRML regenerating apparatus having adjusted slice levels
12/14/1999US6002536 Digital transmission signal processing system and recording/reproducing system
12/14/1999US6001479 Carbon protective layer on magnetic layer and liquid lubrication layer over carbon comprising a perfluoropolyether and fatty ester, both of which have specific weight average molecular weights; wear resistance, acid gas resistance
12/14/1999US6001468 Magnetic head
12/14/1999US6001447 Longitudinal magnetic recording media and magnetic storage apparatus using the same
12/14/1999US6001446 Magnetic recording medium
12/14/1999US6001445 A transparent glass or glass-ceramic comprising silica and oxides of sodium, potassium and/or lithium, having electric resistivity and low abrasion; a hard disk for a computer
12/14/1999US6001431 Process for fabricating a magnetic recording medium
12/14/1999US6001430 Magnetoresistance effect film and production process thereof
12/14/1999US6001268 Reactive ion etch patterning the ceramic slider using an etchant gas of argon, methyl trifluoride, and sulfur hexafluoride and flowed at a rate which provides a smooth surface on the ceramic slider
12/14/1999US6000620 Magnetic card reader
12/14/1999US6000282 System and method for uniform frequency response independent of slider contact location in glide tests
12/09/1999WO1999063671A1 Apparatus and method for modulation/demodulation with consecutive minimum runlength limitation
12/09/1999WO1999063539A1 Efficient linearization of saturation channels
12/09/1999WO1999063536A2 Very-high-density memory device utilizing a scintillating data-storage medium
12/09/1999WO1999063528A1 Piezoelectric disk latch
12/09/1999WO1999063001A1 Biodegradable polyester resin composition, biodisintegrable resin composition, and molded objects of these
12/09/1999CA2680404A1 Apparatus and method for modulation/demodulation with consecutive minimum runlength limitation
12/08/1999EP0962932A2 Using the applied peak area ratio to determine signal pw50 and head fly height
12/08/1999EP0962919A1 Magnetic recording medium
12/08/1999EP0962918A1 Support for photographic photosensitive materials and process for producing the same
12/08/1999EP0962917A2 Magnetic recording medium
12/08/1999EP0962916A1 Laser texturing of magnetic recording medium using multiple lens focusing
12/08/1999EP0962915A1 Method and apparatus for driving actuator of storage disk device
12/08/1999EP0962547A1 Improved ion beam sputtering
12/08/1999EP0962016A1 System for recording and/or reproducing information, medium for use in the system, and magnetic emboss head and arrangement for formatting the medium
12/08/1999EP0717872B1 Multi-channel rotating transformer
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