Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
10/1993
10/22/1993CA2094432A1 Polyester film for high density magnetic recording tape
10/21/1993DE4212539A1 Automatic tracking for video recorder with inserted time reference - picking up defined change in signal series in period before and/or after useful signal gaps
10/20/1993EP0566378A1 Magnetic recording medium
10/20/1993EP0566124A1 Coating apparatus
10/20/1993EP0566100A1 Magnetic recording medium
10/20/1993EP0565988A2 Process and device for detecting and decoding soft magnetic ink print features
10/20/1993EP0565918A1 Head positioning mechanism for multitrack tape recorder
10/20/1993EP0565877A2 Magnetic tape recording-reproducing apparatus
10/20/1993EP0565870A1 Magnetic recording medium and method for producing the same
10/20/1993EP0565733A1 Polyethylene 2,6-naphthalenedicarboxylate film
10/20/1993CN1077559A Head device of a tape player
10/19/1993US5255142 Thin film magnetic head with narrow yoke
10/19/1993US5255141 Read-write magnetic head with flux sensing read element
10/19/1993US5255140 Video cassette recorder
10/19/1993US5255139 Magnetic head slider
10/19/1993US5255136 High capacity submicro-winchester fixed disk drive
10/19/1993US5255135 Method of loading slider and magnetic disk apparatus
10/19/1993US5255133 Waveform processing system and method for recording digital information
10/19/1993US5255130 Adjustable write equalization for tape drives
10/19/1993US5255126 AGC circuit with constant envelope circuit for reproduced RF signals from plural channels
10/19/1993US5254995 Analog to digital peak detector utilizing a synchronization signal
10/19/1993US5254946 Magnetic head and disk tester with head centrally mounted on radially-moving, rotatable platform that surrounds disk
10/19/1993US5254449 Photographic element containing thinb transparent magnetic recording layer and method for the preparation thereof
10/19/1993US5254404 Binder having polar groups
10/19/1993US5254373 Process of making thin film magnetic head
10/19/1993US5254182 Easy axis of magnetization perpendicular to film face; oxidation resistance
10/19/1993CA1323421C Disc drive slider configured to counteract roll
10/19/1993CA1323420C Controlled drag for magnet actuator
10/14/1993WO1993020557A1 Data recording medium and data recording apparatus
10/14/1993WO1993020553A1 Biaxially oriented base film and floppy disk for high-density magnetic recording made therefrom
10/14/1993DE4312040A1 Magnetic disc storage system e.g. for computer - has double read-write head with magnetoresistive element for read head, formed as sandwich structure with layers of ferromagnetic anti-ferromagnetic and soft magnetic materials
10/14/1993DE4311238A1 Magnetic recording medium
10/14/1993DE4211798A1 Vacuum vapour deposition equipment for coating substrates - with several magnetron cathode sets, each comprising a magnet pair, a screened target and aperture for a substrate
10/13/1993EP0565367A2 Data recorder using still framing techniques for information retrieval and method
10/13/1993EP0565334A2 A method of bonding components of a thermal ink jet printhead
10/13/1993EP0565162A2 Predictive read-write inhibit decision using fuzzy logic
10/13/1993EP0565110A1 Magnetic recording medium
10/13/1993EP0565102A2 Magnetic laminations and magnetic heads and magnetic recording/reproducing devices using a magnetic lamination
10/13/1993EP0564763A1 Disk drive having an improved transducer suspension assembly
10/13/1993EP0564762A2 Disk drive having an improved transducer suspension assembly
10/13/1993EP0556302A4 Multiple actuator disk drive
10/13/1993EP0502950B1 Process for sputtering multilayers for magneto-optical recording
10/13/1993EP0466899B1 Magnetic dispersion
10/13/1993CN2143806Y Highly efficient recording and playing convertor
10/13/1993CN1077301A High-efficiency recorder
10/12/1993US5253232 Magneto-optical recording apparatus having a magnetic slider with increased rail width
10/12/1993US5253135 Magnetic head having a tape sliding surface and projections formed on the tape sliding surface
10/12/1993US5253134 Thin-film magnetic head
10/12/1993US5253128 Signal recording and reproducing apparatus with redundant control signal head
10/12/1993US5253127 Video tape recorder having a special demagnetizing function
10/12/1993US5253126 Raw error monitoring and reporting
10/12/1993US5253125 Method and apparatus for data fill in failing read channel in parallel transfer drives
10/12/1993US5253124 Apparatus for forming recording tracks on disks with different track-number formats
10/12/1993US5253123 Apparatus for digitally recording time-multiplexed digital information and pilot signals with different recording current levels
10/12/1993US5253122 Recording of digital video signals on a magnetic medium having a particular energy product and surface roughness
10/12/1993US5252987 Process and apparatus to form on a magnetic tape a latent image by means of recording and erasing magnetic heads
10/12/1993US5252441 Transparent magnetic recording layers and photographic elements containing the same
10/12/1993US5252400 Lubricants for magnetic recording media
10/12/1993US5252392 Magnetic recording medium comprising multiple magnetic layers with specified composition and properties
10/12/1993US5252388 Biaxially oriented polyester film for magnetic recording media
10/12/1993US5252380 Fe, Ni, Cobalt on support with ferrite film and Al or Si film, corrosion resistance
10/12/1993US5252367 Heating a laminated carbon substrates having a cobalt alloy layer, a protecting and lubricating layer
10/12/1993CA1323098C Photofinishing apparatus with film information exchange system using dedicated magnetic tracks on film
10/12/1993CA1323096C Implicit mid roll interrupt protection code for camera using dedicated magnetic tracks on film
10/07/1993DE4309377A1 Compensating track variation in magnetic disc systems - setting centre of servo track head unit as reference for determining correction value to be applied
10/07/1993DE4309376A1 Hard disc system magnetic head control appts. - has digital servo system to monitor if command is received to move heads to new position and to control move.
10/07/1993DE4305835A1 Controlling heads of hard disc drive system by writing in guide pattern - generating signals from disc for evaluation to provide control signals for centring head on track
10/07/1993DE4211481A1 Cobalt-doped magnetic iron oxide pigment with high coercivity yield - produced by mass doping for quicker, simpler and cheaper epitaxial process
10/06/1993EP0564188A1 Perpendicular magnetic film, process for producing the same and magnetic recording medium having the same
10/06/1993EP0564187A2 Recording and reproducing apparatus
10/06/1993EP0563791A2 Fluorine-containing alkyl-succinic acid diester, process for preparing the same and use thereof
10/06/1993EP0563780A1 Magnetic recording and reproducing method
10/06/1993EP0563452A2 Method and system for tape edge sensing
10/06/1993EP0563405A1 Magnetic recording medium
10/06/1993EP0563398A1 Magneto-resistive head
10/06/1993EP0563270A1 Rigid disk drive with dynamic head loading apparatus
10/06/1993EP0563267A1 Rotary inertial latch for disk drive actuator
10/06/1993EP0563246A1 Recording media containing (fluorinated phenoxy) (3-perfluoroalkylphenoxy)-cyclic phosphazene lubricant
10/06/1993CN1077075A Apparatus for recording and reproducing of picture signal
10/06/1993CN1022353C Magneto-optical recording apparatus and energizing circuit
10/05/1993US5251089 Magnetic head
10/05/1993US5251088 Magnetic read head with magneto-resistance effect
10/05/1993US5251086 Tape drive subassembly
10/05/1993US5251085 Pivotable arm assembly with reduced thermal distortion
10/05/1993US5251084 Transducer head base for multiple size drums
10/05/1993US5251083 Flying head slider and method of producing the same
10/05/1993US5251082 Miniaturized disk file pluggable into a card terminal
10/05/1993US5251077 Method of reading digital data on magnetic tape
10/05/1993US5251076 Recording apparatus for electrocardiographs
10/05/1993US5250354 Magnetic recording medium containing magnetic alloy powder and specified binder resins and having a kerr rotational angle of 5 minutes or more
10/05/1993US5250339 Magnetic recording medium
10/05/1993US5250338 Magnetic recording medium
10/05/1993US5250320 Method for producing magnetic recording medium
10/05/1993US5250150 Anisotropically etching facing, thermally oxidizing, etching, depositing magnetic coating, etching, forming aperture, winding conductive wire around circuit through opening
10/05/1993CA1322790C Apparatus and methods to suppress perpendicular fields in longitudinal recording
10/05/1993CA1322789C Single stage seek method
09/1993
09/30/1993WO1993019463A1 Method of and apparatus for forming film on surface of disc
09/30/1993WO1993019462A1 Flexible magnetic recording medium containing polybenzazole polymers
09/30/1993WO1993019461A1 Flexible magnetic recording medium containing polybenzazole polymers
09/30/1993CA2132710A1 Flexible magnetic recording medium containing polybenzazole polymers