Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
03/1995
03/08/1995EP0641461A1 Encapsulated magnetic particles, pigments and carbon black, compositions and methods related thereto
03/08/1995CN1099898A Memory-aid recording tape making method for learning language
03/08/1995CN1099896A Magnetic head unit
03/08/1995CN1099895A Integrated transducer-suspension structure for longitudinal recording
03/08/1995CN1099894A Magnetic head for recording with ultra low force
03/07/1995US5396391 Magnetic recording system providing a magnetic head having opposite sides for applying different magnetic field strengths to a magnetic recording medium
03/07/1995US5396390 Magnetic head assembly for floppy disc drive
03/07/1995US5396389 Thin-film magnetic circuit board and magnetic head using the same
03/07/1995US5396388 Compact, high-speed, rotary actuator and transducer assembly with reduced moment of inertia and mass-balanced structural overlap with drive motor and organizing method for the same
03/07/1995US5396387 Air bearing magnetic head sliders
03/07/1995US5396386 Roll insensitive air bearing slider
03/07/1995US5396385 Floppy disk drive
03/07/1995US5396383 Integral lubricating fluid delivery system for a flying head in a magnetic disk storage system
03/07/1995US5396380 Resolution enhancement of absolute track position using iterative process and position bursts with track following capability
03/07/1995US5396379 Apparatus and method for reducing effects of slip/stick in a disk drive head assembly
03/07/1995US5396376 Multi-track embedded servo recording format and method
03/07/1995US5396375 Dual head type magnetic disc recording/reproducing apparatus
03/07/1995US5396372 Audio signal recording and reproducing apparatus
03/07/1995US5396369 Degausser for magnetic stripe card transducing system
03/07/1995US5395743 Photographic element having a transparent magnetic layer and a process of preparing the same
03/07/1995US5395696 Magnetic recording medium having a lubricant layer of a fluoroalkyl sulfo-compound
03/07/1995US5395672 Large-capacity magnetic memory card and manufacturing method
03/07/1995CA1334687C Cleaning device
03/02/1995WO1995006314A1 Load/unload apparatus and driving control circuit
03/02/1995WO1995006313A1 Magnetic recording tape
03/02/1995WO1995006312A1 Disk drive rotary actuator with rocking pivot
03/02/1995WO1995006311A1 Method of recording/locating magnetic tracks on a disk data carrier and a device for implementing said method
03/02/1995WO1995005900A1 Non-recirculating, die supplied doctored roll coater with solvent addition
03/02/1995DE4328265A1 Magnetic tape apparatus for recording and/or reproducing data signals
03/01/1995WO1995006948A1 Magnetic oxide material and method of its manufacture
03/01/1995EP0640965A1 Magnetic head apparatus and manufacturing methods
03/01/1995EP0640959A1 Magnetic recording medium with fungiresistance and process for manufacturing same
03/01/1995EP0640958A1 Acicular alloy magnetic powder particles
03/01/1995EP0640957A1 Method of manufacturing floating magnetic head device
03/01/1995EP0640956A1 Method and apparatus for rotary actuator arc compensation correction in a direct access storage device
03/01/1995EP0640955A1 Magnetic head assembly with write pole/shield structure
03/01/1995EP0640954A2 Magnetic head devices for data cartridges
03/01/1995EP0640840A2 Magnetic field sensing method and apparatus
03/01/1995CN1099506A Disc drive apparatus
03/01/1995CN1099504A Data recording disk drive with low-flying transducer carrier
03/01/1995CA2131106A1 Biaxially oriented, laminated polyester film
02/1995
02/28/1995US5394380 Magneto-optic recording apparatus and method therefor
02/28/1995US5394286 Method for the addressing of elementary heads of a multipack head for recording on a magnetic medium, and magnetic head implementing said method
02/28/1995US5394285 Multi-track longitudinal, metal-in-gap head
02/28/1995US5394284 Direct access storage device having a stable ball bearing cage design
02/28/1995US5394281 Magnetic head loading/unloading mechanism with a ramp having an oscillating function
02/28/1995US5394280 Detecting a servo error on a magnetic tape and identifying extent and location of the detected servo error by linked control marks
02/28/1995US5394279 Method and apparatus for simultaneoulsy searching two sides of a tape for locations of blanks between recorded signals
02/28/1995US5394278 Method and apparatus for erasing information from a magnetic tape
02/28/1995US5394277 Method for determining servo track pair position and longitudinal tape position for a tape using dedicated servo format
02/28/1995US5394249 Multisystem adaptable type signal processing and recording/reproducing apparatus
02/28/1995US5393584 Magnetic disc
02/28/1995US5393376 Depositing two seedlayers with sandwiched insulation layer, frame plating pole tip, removing second seedlayer and part of insulation, depositing gap layer, removing insulation layer, frame plating second pole tip
02/28/1995US5392976 Servo system
02/28/1995US5392507 Method of positioning magnetic heads on a turntable
02/23/1995WO1995005659A1 Disk chucking failure detection system
02/23/1995DE4429472A1 Production process for a magnetic recording medium
02/23/1995DE4428637A1 Process for preparing acicular cobalt-containing magnetic iron oxides
02/23/1995DE4327851A1 Process for the production of magnetic recording media
02/22/1995EP0639829A1 Pneumatic edge clamp and magnetic bias array for anhysteretic recording
02/22/1995EP0639828A1 Magnetic information recording/reproducing apparatus and magnetic medium for use therewith
02/22/1995EP0639827A1 Rotary head apparatus
02/22/1995EP0639826A2 Magnetic recording device with automatic media-test function
02/22/1995EP0639825A1 Customized data recovery procedure
02/22/1995EP0449853B1 Self-compensating high density data recording and detection method
02/22/1995CN1099183A Digital signal magnetic recording and reproducing apparatus
02/22/1995CN1099179A Roll insensitive air bearing slider
02/22/1995CN1099178A Magnetoresistive spin valve sensor having a nonmagnetic back layer
02/21/1995US5392295 Circuit for performing test procedures on data storage/recovery system
02/21/1995US5392180 Magnetic head drum for video data recording and reading apparatus
02/21/1995US5392179 Magnetic read/write head assembly with a reduced slider size
02/21/1995US5392174 Method and apparatus for controlling the speed of movement of the head of a disk drive apparatus to a target track
02/21/1995US5392173 Method and apparatus for controlling a small spacing between a magnetic head and a magnetic recording medium
02/21/1995US5392172 Magnetic head circuit having a write current changeover circuit with a clamp voltage depending on write current for high-speed data transfer
02/21/1995US5392171 Fully integrated programmable filters for disc drive subsystems
02/21/1995US5392170 Magnetic tape storage unit with improved ability to read data by using a set of multiple read elements
02/21/1995US5392169 Electrical means to diminish read-back signal waveform distortion in recording heads
02/21/1995US5392164 Dubbing system
02/21/1995US5391842 Carrier strip head interconnect assembly
02/21/1995US5391522 Glass-ceramic for magnetic disks and method for manufacturing the same
02/21/1995US5391429 High strength; bonding strength
02/21/1995US5391414 Diskettes having crosslinked adhesive bond to hub
02/21/1995US5391395 A solution prepared from methansulfonic acid and sodium peroxydisulfate can be used as a direct replacement for a nitric acid bath in processing aluminum substrates
02/15/1995EP0638897A2 Tracking error detection circuit
02/15/1995EP0638895A1 Method of mutually displacing at least two parts of an actuator, and actuator suitable for use in such a method
02/15/1995EP0638894A2 A magnetic recording/reproduction apparatus and method for adjusting head height therein
02/15/1995EP0638893A2 Magnetic head with flux sensing element for recording/reproducing on tape
02/15/1995EP0638619A2 Magnetic ink concentrate
02/15/1995EP0638618A2 Magnetic ink concentrate
02/15/1995EP0561775B1 Circuit for reversing a magnetic field
02/15/1995EP0425705B1 Helical scan-type rotary head drum unit
02/15/1995CN1098814A Dubbing circuit in Hi-Fi video cassette player
02/15/1995CN1027665C Anti-mould disc and its production method
02/15/1995CN1027664C Device for recording digital information signal on record carrier
02/14/1995US5390062 Thin-film magnetic circuit board and magnetic head using the same
02/14/1995US5390061 Multilayer magnetoresistance effect-type magnetic head
02/14/1995US5390059 Flying head slider supporting mechanism having active air pressure control
02/14/1995US5390058 Magnetic head assembly with spring arms held on one side of head arm
02/14/1995US5390054 Method and system for minimizing the error rate of a digital recording system by predicting the optimal bias current
02/14/1995US5390053 Circuit for controlling the overall upper cutoff frequency of an amplifier stage