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)
11/1999
11/09/1999US5982574 Automatic tracking frequency servo demodulation technique for DVCR applications
11/09/1999US5982573 Disk drive and method for minimizing shock-induced damage
11/09/1999US5982569 Read/write data interface and method of operation
11/09/1999US5982568 Apparatus for detecting error in magnetic head for use in disk storage system
11/09/1999US5982567 Magnetic recording apparatus with magnetic recording medium having high recording density
11/09/1999US5982494 Non-contact position sensor
11/09/1999US5982308 Technique for compensation for missing pulses when decoding gray code data in hard disk drive
11/09/1999US5982177 Magnetoresistive sensor magnetically biased in a region spaced from a sensing region
11/09/1999US5982175 Magnetic sensor with CMOS multivibrator
11/09/1999US5982173 Method of characterizing and compensating for read head nonlinearity in a disk drive
11/09/1999US5981903 Laser system for simultaneous texturing of two sides of a substrate
11/09/1999US5981902 Texturing apparatus for magnetic recording medium and magnetic recording medium process thereby
11/09/1999US5981055 Tape-type magnetic recording medium and signal reproducing method using the same
11/09/1999US5981054 Magnetic recording medium and method for manufacturing the same
11/09/1999US5981053 Tamper resistant magnetic stripes
11/09/1999US5981039 For magnetic latent images with high resolution and high magnetic attracting force to magnetic toner
11/09/1999US5981018 A multilayer comprising a sputtered sublayer chromium-vanadium alloy layer on the nonmagnetic substrate, a magnetic alloy layer comprising cobalt, chromium, platinum, tantalum, niobium and a carbon overcoatings; computers
11/09/1999US5981017 Magnetic disk having a heat sink layer above the substrate and method of making
11/09/1999US5981015 Method for selecting a material suitable for a substrate for information recording media, material selected using this method, and magnetic disk formed using this material
11/09/1999US5980997 Method for preparing a substrate for a magnetic disk
11/09/1999US5980985 An apparatus comprising a turntable having an aligned center aperture for receiving the disc-shaped recording medium to deposit the resin coatings with a uniform thickness
11/09/1999US5980011 Identification card printer
11/09/1999US5979236 Balancing apparatus
11/09/1999CA2048868C Magnetic recording medium and information recording-reproduction method using the same
11/09/1999CA2048499C Magneto-optical recording device
11/04/1999WO1999056277A1 An optical recording head having a solid immersion lens
11/04/1999WO1999056276A2 Thin-film magnetic recording head manufacture using selective imaging
11/04/1999WO1999056093A1 Remote sensor head for laser level measurement devices
11/04/1999WO1999056074A2 Element comprising a layer structure and a current-directing means
11/04/1999WO1999048090A3 A rotary magnetic head device for a magnetic recording and reproducing apparatus.
11/04/1999WO1999040574A3 Arrangement for reading information from a magnetic record carrier
11/03/1999EP0953978A1 Magnetic recorder/reproducer and method of magnetic recording/reproducing
11/03/1999EP0953973A2 Magnetic head unit, and recording and/or reproducing apparatus
11/03/1999EP0953937A1 Security element to prevent counterfeiting of value documents
11/03/1999EP0953849A2 Spin tunnel magneto-resistance effect type magnetic sensor and production method thereof
11/03/1999EP0953548A1 Method of producing glass substrate for information recording medium
11/03/1999EP0952966A1 $g(b)-QUARTZ-BASED GLASS-CERAMICS
11/03/1999EP0826209B1 Electrical grounding system for instruments used in assembling disc drives
11/03/1999CN1233821A Magnetic head unit, and recording and/or reproducing apparatus
11/03/1999CN1046171C Optical recording medium having dual information surface
11/02/1999US5978782 Neural network signal processor for magnetic storage channels
11/02/1999US5978752 Model validation algorithm for characterizing parameters and uncertainty in a disc drive
11/02/1999US5978546 Digital/analog compatible video tape recorder
11/02/1999US5978542 VTR tape format for compressed digital video using overlapped areas for forward and reverse high speed playback
11/02/1999US5978326 Information processing apparatus using an offset signal to control the position of a probe
11/02/1999US5978319 Thin electro-magnetic coil assembly for attachment to a slider
11/02/1999US5978189 Substrate for a magnetic recording medium having laser beam absorption characteristic and a magnetic recording medium using the substrate
11/02/1999US5978188 Multitrack tape device using a movable magnetic head with a planar surface and including a tape supporting device
11/02/1999US5978187 Thin film magnetic head having a lower pole shaped to improve reproduction characteristics
11/02/1999US5978186 Magnetic head and reproducing apparatus with head having central core with winding thereabout and wire therethrough
11/02/1999US5978185 Rotary head and recording/reading apparatus provided with rotary head
11/02/1999US5978184 Magnetoresistive effect element and thin film magnetic head with the element
11/02/1999US5978183 High resolution lead to shield short-resistant read head
11/02/1999US5978182 Magnetoresistive head with spin valve configuration
11/02/1999US5978181 Magnetic head and magnetic recording/reproducing apparatus
11/02/1999US5978180 Actuator fixing apparatus in hard disk drive
11/02/1999US5978179 Removable cartridge hard disk drive with an inner crash stop
11/02/1999US5978178 Disk drive actuator assembly with arm having high stiffness to mass ratio
11/02/1999US5978177 Magnetic head suspension comprising a flexure bonded to a load beam via a flexible resin
11/02/1999US5978176 Magnetic head for a magnetic disk having a slider with indented portions for providing heat dissipation
11/02/1999US5978174 Magnetic recording component
11/02/1999US5978172 Voice coil driven positioner for coarse and fine positioning of magnetic head in multi-track tape drive
11/02/1999US5978171 Information signal reproducing apparatus with diverse mode tracking control
11/02/1999US5978170 Recording/reproducing apparatus and servo-information recording method
11/02/1999US5978169 Repeated servo runout error compensation in a disc drive
11/02/1999US5978168 MR head differential micro-jog
11/02/1999US5978167 Disk unit creating a position sensitivity correction value using positive and negative cross point values of two-phase servo signals
11/02/1999US5978166 Method of and apparatus for positioning a rotary magnetic head drum in an arcuate scan system
11/02/1999US5978165 Method of determining axial offset distance in helical scan tape drive
11/02/1999US5978164 Signal reproducing circuit adapted for head utilizing magneto-resistive effect
11/02/1999US5978163 Circuit and method for optimizing bias supply in a magnetoresistive head based on temperature
11/02/1999US5978162 Synchronous read channel integrated circuit employing a channel quality circuit for calibration
11/02/1999US5978091 Laser-bump sensor method and apparatus
11/02/1999US5976715 Articles comprising magnetically soft thin films
11/02/1999US5976714 Magnetic recording medium and method of producing the same
11/02/1999US5976713 Exchange-coupling film and, magneto-resistance effect element and magnetic head using thereof
11/02/1999US5976681 Giant magnetoresistors with high sensitivity and reduced hysteresis
11/02/1999US5976668 Base film for magnetic recording medium and magnetic recording medium using same
11/02/1999US5976661 Magnetic recording medium and method of fabricating the same
11/02/1999US5976660 Magnetic recording medium
11/02/1999US5976326 Method of sputtering selected oxides and nitrides for forming magnetic media
11/02/1999US5976274 Soft magnetic amorphous alloy and high hardness amorphous alloy and high hardness tool using the same
11/02/1999US5976254 Coating device
11/02/1999US5974663 Method of manufacturing connecting rod
11/02/1999US5974657 Two step resetting of magnetization of spin valve read head at the row level
10/1999
10/28/1999WO1999044201A3 Device for write compensation in magnetic-media recording
10/28/1999DE19918045A1 Process for encapsulating thin film recording head for mass storage device
10/27/1999EP0952579A2 Information reproduction apparatus
10/27/1999EP0951719A1 Method of and arrangement for formatting a magnetizable medium
10/27/1999EP0951718A1 Bernouilly type flexible media stabilization for laser servowriting
10/27/1999EP0733263B1 A magneto-resistive element comprising amorphous permalloy films and method of preparing the same
10/27/1999CN1233054A Magnetic head
10/27/1999CN1233051A Information recording method and apparatus, information reproducing method and apparatus
10/27/1999CN1233040A Magnetic head and its assemblying method
10/27/1999CN1232995A Image forming method
10/27/1999CN1046042C Recording media containing (fluorinated phenoxy) (3-perfluoroalkyl phenoxy)-cyclic phospazene lubricant
10/26/1999US5974023 Information recording medium, information recording method and information recording apparatus
10/26/1999US5974007 Apparatus for moving a carriage assembly from an initial position to a target position
10/26/1999US5973894 Magnetic recording medium and process for producing same
10/26/1999US5973892 Cleaning roller with sheet-like non-woven fabric coated with abrasive particles of given size to remove foreign matter, which can be trapped into grooves or interstices of the fibers forming the non-woven fabric; nondamaging
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