Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
06/1994
06/29/1994EP0346453B1 Magnetic head with constant area wear profile
06/29/1994CN1088706A Drum of a tape recorder and an assembling method therefor
06/29/1994CN1088705A Regenerator of magnetic recording
06/29/1994CN1025254C Magnetic recording medium
06/28/1994US5325349 Hard disc drive and a servo signal writing apparatus
06/28/1994US5325344 Magneto-optical recording and reproducing device having integrally formed recording and reproducing magnetic heads
06/28/1994US5325254 Thin film inductive transducer having improved yoke and pole tip structure
06/28/1994US5325253 Stabilization of magnetoresistive transducer using canted exchange bias
06/28/1994US5325252 Magnetic disc apparatus having two flexible bending members of an FPC between a fixing portion and a rocking actuator bent in opposite directions
06/28/1994US5325250 Magnetic head
06/28/1994US5325248 For scanning a magnetic tape by rotating a magnetic head
06/28/1994US5325247 Digital multi-rate notch filter for sampled servo digital control system
06/28/1994US5325246 Automatic tracking method for helical scan magnetic tape recorder using reproduced timing signal to sample two out-of-phase reference signals
06/28/1994US5325245 Method and apparatus for writing magnetic head positioning signal
06/28/1994US5325244 Magnetic recording data storage system
06/28/1994US5325242 Magnetic recording/reproducing apparatus for decreasing an error rate in recording/reproducing a digital signal
06/28/1994US5325241 Write precompensation with frequency synthesizer
06/28/1994US5325239 Apparatus for producing recorded tape-like magnetic record carriers, record carrier obtained thereby, and device for reproducing the record carriering device for reproducing the record carrier
06/28/1994US5325238 Method and apparatus for high speed duplication of audio or digital signals
06/28/1994US5325030 Voice coil motor driving circuit with retracting function
06/28/1994US5324593 Magnetic
06/28/1994US5324582 Magnetic recording medium
06/28/1994US5324571 Magnetic recording medium comprising a support and a plurality of layers in which the magnetic layer has a specified plastic deformation
06/28/1994US5324357 For magnetic recording media
06/24/1994CA2109370A1 Magnetic disk drive unit
06/24/1994CA2109249A1 Magnetic disk drive unit
06/24/1994CA2108703A1 Magnetic disk drive unit
06/23/1994WO1994013484A1 Biaxially oriented copolyester film
06/23/1994WO1994013483A1 Improved biaxially oriented copolyester film for magnetic recording media
06/23/1994WO1994013480A1 Coated biaxially oriented copolyester film
06/23/1994WO1994013477A1 Biaxially oriented penbb film coated with antistatic coatings
06/23/1994WO1994013470A1 Biaxially oriented copolyester film for magnetic recording disks and magnetic recording disks made therefrom
06/23/1994WO1994013467A1 Biaxially oriented penbb film primed with radiation curable coating composition
06/23/1994WO1994013466A1 Biaxially oriented penbb film for magnetic recording medium and magnetic recording media made therewith
06/23/1994WO1994013463A1 Improved biaxially oriented copolyester film for magnetic recording media
06/23/1994DE4343253A1 Initialisation of recording material for digital information
06/23/1994DE4311884A1 Magnetic tape digital data recording appts.
06/23/1994DE4243234A1 Recording and reproduction appts., e.g. CD player
06/22/1994EP0602964A1 Laminated polyester film for magnetic recording medium
06/22/1994EP0602567A2 Magnetic transducer head
06/22/1994EP0602533A1 Magnetic recording medium
06/22/1994EP0602486A2 Floating magnetic head
06/22/1994EP0602469A2 Recording method on magnetic tape with slant tracks
06/22/1994EP0602051A1 Transducer/track alignment method for magnetic recording media.
06/22/1994EP0408762B1 Magnetic recording medium having balanced characteristics
06/22/1994CN2169895Y Double magnetic head playing device
06/22/1994CN1088341A Circuit for calculating DC value in digital recording and reproducing system
06/22/1994CN1088339A Apparatus for replaying of magnetic recorde
06/21/1994US5323380 Information recording disc and system
06/21/1994US5323368 Track crossing apparatus and method using the difference between pick-up velocity and a predetermined velocity
06/21/1994US5323285 Shielded dual element magnetoresistive reproduce head exhibiting high density signal amplification
06/21/1994US5323283 Floating magnetic head slider
06/21/1994US5323282 Thin-film magnetic head
06/21/1994US5323278 Data storage system
06/21/1994US5323277 Sound recording apparatus
06/21/1994US5323276 Error removal method for a multi-track tape recorder system
06/21/1994US5323274 Reproducing apparatus
06/21/1994US5323273 Audio signal recording and playback apparatus of magnetic recording and playback apparatus
06/21/1994US5322987 Pneumatic hub locking device for etching optical servo tracks on magnetic disks
06/21/1994US5322733 Magnetic recording medium
06/21/1994US5322716 Method for producing magnetic recording medium
06/21/1994US5322595 Manufacture of carbon substrate for magnetic disk
06/21/1994US5321882 Slider fabrication
06/16/1994DE4342079A1 Hard disc drive for computer - has angled slots across head face to expel lubricant radially outwards from disc centre
06/15/1994EP0601963A2 System for recording/reproducing both digital and analog signals
06/15/1994EP0601939A2 Apparatus and method for anhysteretically recording from master drum to slave web
06/15/1994EP0601894A1 Disc reading method and disc reading apparatus
06/15/1994EP0601839A1 Process for coating magnetic recording device or medium
06/15/1994EP0601691A1 Tape recorder having a rotary head drum
06/15/1994EP0601472A1 Magnetic recording medium
06/15/1994EP0601471A1 Magnetic recording medium
06/15/1994EP0436656B1 Single stage seek method
06/15/1994EP0256110B1 Apparatus and method for increasing storage capacity of recording media
06/15/1994CN1088015A Separable hard magnetic disk device with slot-like fixation
06/14/1994US5321570 Systems using superimposed, orthogonal buried servo signals
06/14/1994US5321569 Rotary magnetic head drum assembly
06/14/1994US5321564 Data head offset detecting circuit in magnetic disk unit and magnetic disk unit using said data head offset detecting circuit
06/14/1994US5321563 Biasing and erasing apparatus and method for magnetic tape recording devices to improve signal-to-noise ratio
06/14/1994US5321561 Format for recording digital audio onto magnetic tape with enhanced editing and error correction capability
06/14/1994US5321560 Embedded servo system for low power disk drives
06/14/1994US5321559 Asynchronous peak detection of information embedded within PRML class IV sampling data detection channel
06/14/1994US5321558 Method of storing data on a magnetic tape
06/14/1994US5321557 Magnetic recording and reproducing apparatus having multiple magnetic heads
06/14/1994US5321239 Card processing method
06/14/1994US5320914 Magnetic recording medium comprising a styrene copolymer or an acrylic copolymer
06/14/1994US5320901 Magnetic recording medium
06/14/1994US5320769 Comprising block polymers with polyurethane and vinyl polymer segments and magnetic powder
06/09/1994WO1994012976A1 Apparatus and method for reducing effects of slip/stick in a disk drive head assembly
06/09/1994WO1994012975A1 Method and apparatus for tape track identification
06/09/1994WO1994012974A1 Gimbal bond plate
06/09/1994WO1994012952A1 Horizontal magnetoresistive head for detecting magnetic data
06/09/1994WO1994012554A1 Radiation curable oligomers and magnetic recording media prepared therefrom
06/09/1994DE4341319A1 Producing a magnetic recording medium - with the precipitation section on a cooling cylinder limited by its min and max distances from the evaporation spot
06/08/1994EP0600794A1 Magnetic multilayer structure and detector with giant magnetoresistance and manufacture of this structure
06/08/1994EP0600737A2 Disc device
06/08/1994EP0600716A1 Magnetic recording medium
06/08/1994EP0600697A1 Perpendicular magnetic film, multilayered film for perpendicular magnetic film and process for producing perpendicular magnetic film
06/08/1994EP0600549A2 Thin-film magnetic head and method of manufacturing the magnetic head
06/08/1994EP0600409A2 Magnetic disk unit
06/08/1994EP0600376A2 Magnetic recording/reproducing apparatus for carrying out high-speed reproduction with use of line memory