| Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826) |
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| 02/28/1991 | DE4026190A1 Audio tape cassette contg. magnetic tape - with coating of pigment and binder on rear face with specified max. coefft. of friction against felt cushion |
| 02/28/1991 | DE3932059A1 Verfahren und einrichtung zum kopieren von magnetbaendern Method and device for copying magnetbaendern |
| 02/27/1991 | EP0414604A2 Magnetic stripe reading apparatus for passbook |
| 02/27/1991 | EP0414548A2 Low frequency restorer |
| 02/27/1991 | EP0414537A2 Organic ferromagnetic substance |
| 02/27/1991 | EP0414473A2 Magnetic head device |
| 02/27/1991 | EP0414111A2 Magnetic recording medium |
| 02/27/1991 | EP0414101A2 Magnetic recording medium |
| 02/27/1991 | EP0328534B1 A process for the preparation of magnetic hexaferrite particles, particles obtained and products containing them |
| 02/26/1991 | US4996677 Multichannel magnetic and optical linear head |
| 02/26/1991 | US4996623 Laminated suspension for a negative pressure slider in a data recording disk file |
| 02/26/1991 | US4996622 Achieving high density recording; smooth glass surface protects from dust |
| 02/26/1991 | US4996621 Superconducting device for reading information from a magnetic recording medium |
| 02/26/1991 | US4996620 Electromagnetic transducers having E-shaped cores and shielding therebetween |
| 02/26/1991 | US4996619 Apparatus for adjustably supporting a head carriage |
| 02/26/1991 | US4996618 Magnetic disk apparatus having additional carriage adapted to prevent adsorption of magnetic head |
| 02/26/1991 | US4996616 Head suspension load beam with reinforcing ribs |
| 02/26/1991 | US4996615 Head assembly |
| 02/26/1991 | US4996614 Magnetic recording apparatus having dust removing surface feature |
| 02/26/1991 | US4996610 Disk-type magnetic recording apparatus with video signal discrimination means |
| 02/26/1991 | US4996609 Magnetic head recording multitrack servo patterns |
| 02/26/1991 | US4996608 Disk drive clock writer |
| 02/26/1991 | US4996607 Audio signal recording apparatus |
| 02/26/1991 | US4996272 Vinyl chloride, vinyl monomer containing hydroxy groups, vinyl monomer containing quaternary ammonium group |
| 02/26/1991 | US4995923 Containing at least one transition element and one rare earth element; resistant to oxidation; high reflectance |
| 02/26/1991 | CA1280569C Thermoforming of laminated articles |
| 02/25/1991 | CA2023615A1 Disk control apparatus |
| 02/21/1991 | WO1991002366A1 Ferromagnetic metal particle and production thereof |
| 02/21/1991 | WO1991002354A1 Disk drive system using multiple embedded quadrature servo fields |
| 02/21/1991 | WO1991002350A1 Floppy maintenance disk for a computer disk drive |
| 02/21/1991 | WO1991002349A1 Architecture for 2-1/2 inch diameter single disk drive |
| 02/21/1991 | WO1990016062A3 Integrated magnetic recording head |
| 02/20/1991 | EP0413644A1 Comparator circuit for amplitude modulated high frequency signals |
| 02/20/1991 | EP0413423A2 Thin film metal alloy magnetic recording disk |
| 02/20/1991 | EP0413185A2 Video Tape Recorder |
| 02/20/1991 | EP0413154A2 Double carrier deflection high sensitivity magnetic sensor |
| 02/20/1991 | EP0412993A1 Tape drive machines. |
| 02/20/1991 | CN1049423A Linear actuator for a disk file |
| 02/20/1991 | CN1011740B Recorder for re-recording |
| 02/19/1991 | US4995025 Spherical pivoting actuator for read/record head |
| 02/19/1991 | US4994931 Actuator structure for a magnetic head suspension assembly in a disk drive |
| 02/19/1991 | US4994520 Carbon black-graft polymer, method for production thereof, and use thereof |
| 02/19/1991 | US4994321 Perpendicular magnetic recording medium and the method for preparing the same |
| 02/19/1991 | US4994320 Thin magnetic film having long term stabilized uniaxial anisotropy |
| 02/19/1991 | US4994306 Method for applying plural liquids to continuously moving nonmagnetic carrier |
| 02/19/1991 | US4994305 Continuously moving flexible plastic resin support while in contact with cylinders to form thin films of metal on the support |
| 02/19/1991 | US4994304 Method of hardening |
| 02/18/1991 | EP0422030A4 Disk drive memory. |
| 02/13/1991 | EP0412792A2 Magnetic recording medium |
| 02/13/1991 | EP0412739A2 A laminated suspension for a negative pressure slider in a data recording disk file |
| 02/13/1991 | EP0412261A2 A magnetic head with two canted gaps and the manufacturing method thereof |
| 02/13/1991 | EP0412222A2 A data storage medium and process for making the same |
| 02/13/1991 | EP0412221A2 Apparatus for centering a transducer over a track of a magnetic disk |
| 02/13/1991 | CN2071371U Special magnetic head of audio delay reverberation |
| 02/13/1991 | CN1049238A Multi-functional film and sound synchronous record displaying system |
| 02/12/1991 | US4993009 Opto-magnetic recording apparatus with a bias magnetic field generating means movable parallel to a recording surface of a recording medium |
| 02/12/1991 | US4992905 High current pressure sensitive interrupters |
| 02/12/1991 | US4992902 Cassette device for demagnetizing the magnetic head in a cassette-type recorder |
| 02/12/1991 | US4992901 Self aligned magnetic poles using sacrificial mask |
| 02/12/1991 | US4992900 Head wheel arrangement having a rotating nuts with reduced backlash for a recorder |
| 02/12/1991 | US4992899 A data storage system |
| 02/12/1991 | US4992898 Magnetic head slider suspension assembly having inverted load rails |
| 02/12/1991 | US4992897 Device for reading and writing on a magnetic medium |
| 02/12/1991 | US4992893 Alignment disk for magnetic disk driving apparatus and method and apparatus for verifying tracking error of the magnetic disk driving apparatus |
| 02/12/1991 | US4992891 Magnetic tape |
| 02/12/1991 | US4992330 Magnetic recording medium |
| 02/12/1991 | US4992328 Crystal structure |
| 02/12/1991 | US4992316 Recording medium and method of producing the same |
| 02/12/1991 | US4992300 Manufacturing method for a recording medium or a recording head |
| 02/12/1991 | US4992191 Containing silicon; heat resistant magnetic toners |
| 02/12/1991 | CA1280206C Magnetic recording media and servo systems using same |
| 02/10/1991 | WO1991002292A1 Magnetic head suspension apparatus for use with photographic film |
| 02/07/1991 | WO1991001552A1 Cooling body for an element to be cooled |
| 02/07/1991 | WO1991001548A1 Magnetic recording medium |
| 02/07/1991 | WO1991001547A1 Reader/writer for magnetic cards |
| 02/07/1991 | DE4024159A1 Magnetic recording medium with specified orientation - for video tape with improved drop=out rate, still picture time and signal noise ratio |
| 02/07/1991 | DE4023770A1 Optimisation of coercive strength of magnetic recording medium - based on cobalt and nickel, by incorporation of up to 3 atom per cent of oxygen during deposition |
| 02/07/1991 | DE3925628A1 Hi=fi stereo video tape recorder system - uses rotating and fixed sound heads in conjunction with video heads processor and memory |
| 02/06/1991 | EP0412071A2 Very low noise magnetoresistive sensor for high density media applications |
| 02/06/1991 | EP0411915A2 Thin film magnetic head |
| 02/06/1991 | EP0411914A2 Thin film magnetic head |
| 02/06/1991 | EP0411552A2 A disk drive |
| 02/06/1991 | EP0411242A2 Magnetic recording medium |
| 02/06/1991 | EP0410980A1 Magnetographic printing process and device for implementing said process. |
| 02/06/1991 | EP0410973A1 Carrier and method of attachment for disk file head/arm assemblies. |
| 02/06/1991 | CN1049081A Still/slow circuit for vtr with two heads |
| 02/05/1991 | US4991205 Personal identification system and method |
| 02/05/1991 | US4991046 Self aligned lapping guide for inductive record heads |
| 02/05/1991 | US4991045 Suspension assembly |
| 02/05/1991 | US4991031 Rotating head type reproducing apparatus |
| 02/05/1991 | US4991027 Circuit for detecting a video mode |
| 02/05/1991 | US4990400 Containing silica particles |
| 02/05/1991 | US4990389 Disk for magnetic recording |
| 02/05/1991 | US4990362 Removing surface layer titanium plate; forming a nonmagnetic transition metal film |
| 02/05/1991 | US4990361 Method for producing magnetic recording medium |
| 02/05/1991 | US4990276 Contains magnetic particle and dispersing agents in dialkyl ester of phthalic acid media |
| 02/05/1991 | US4990225 Electrodeposition using sulfate or halide salt of iron, cobalt, nickel, chromium, or copper |
| 02/05/1991 | US4990182 Used for high density magnetic recording |
| 02/05/1991 | CA1279930C Method and apparatus for an improved sampled servo seek and track follow disc drive |
| 01/31/1991 | DE4022318A1 Construction of magnetic head for diskette player - consists of two-part ferrite head with metal film and glass encapsulation |