Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
11/1986
11/05/1986EP0200192A2 Magnetic recording/reproduction apparatus
11/05/1986EP0200191A2 Read circuit for floppy disk drive
11/05/1986EP0200144A2 Carboxylic acid grafted phenoxy resins
11/05/1986EP0200015A1 Process for producing at least one magnetic head according to the thin-film technique
11/04/1986US4621299 High energy degausser
11/04/1986US4621296 Magnetic head unit
11/04/1986US4621030 Perpendicular magnetic recording medium and manufacturing method thereof
11/04/1986US4621027 Magnetic recording medium
11/04/1986US4621018 Magnetic layer of cobalt adsorbed iron oxide on a transparent support
11/04/1986US4621016 Fluorinate graphite and carbon black in magnetic layer
11/04/1986US4621008 Magnetic recording medium
11/04/1986US4620987 With a silane coupling agent, then polymerizing a vinyl-type monomer; toners
11/04/1986CA1213670A1 Multi-layer amorphous optical recording medium
10/1986
10/29/1986EP0199522A2 Step-up type magnetic head
10/29/1986EP0199422A1 Magnetic head for vertical recording
10/29/1986EP0199271A2 Improved magnetic recording member
10/29/1986EP0199244A2 Polyester base film for magnetic recording media
10/29/1986EP0199234A2 Portable magnetic card writer
10/29/1986EP0198922A1 Aircraft data acquisition and recording system.
10/29/1986EP0198841A1 Track post-control system for a magnetic tape unit with transverse track recording.
10/29/1986CN85102339A Method of making a linear standard magnetic tape
10/28/1986US4620253 Low mass actuator system for magnetic recording disk
10/28/1986US4620252 Symmetrical coil actuator for a magnetic disk drive
10/28/1986US4620251 Magnetic transducer support structure
10/28/1986US4620244 Compensation method to correct thermally induced off-track errors in disc drives
10/28/1986US4620243 Disk drive incremental rewrite
10/28/1986US4620242 Apparatus for controlling a reversible tape drive in a magnetic tape player
10/28/1986US4620238 Method and apparatus for recording and replay of digital audio data
10/28/1986US4619872 Magnetic plated media
10/28/1986US4619869 Biaxially oriented polyester film
10/28/1986US4619868 Magnetic recording medium
10/28/1986US4619861 Magnetic powders with improved dispersibility
10/28/1986US4619856 Multilayer-no magnetic support, radiation polymerizable compound and fines, and magnetic layer
10/28/1986US4619855 Ferromagnetic fines in polymer blend of vinyl acetate (or propionate)-vinyl chloride copolymer, polyurethane and acrylic resin
10/28/1986US4619777 Preparation of a magnetic dispersion
10/28/1986US4619720 Magnetic amorphous alloys comprising Co, Fe, Zr, and Nb
10/23/1986WO1986006202A1 Encoder output phase selection system for magnetic disk memory
10/22/1986EP0198647A2 Method and apparatus for detecting a dead zone in the transfer function of a signal processing system
10/22/1986EP0198619A2 Slider for supporting a transducing head
10/22/1986EP0198560A1 Magnetic transducing head
10/22/1986EP0198511A1 Magnetic recording/reproducing apparatus
10/22/1986EP0198472A2 Magnetic recording medium and method for producing the same
10/22/1986EP0198436A2 Method for the preparation of isotropic magnetic cobalt containing iron oxides from ferric salts
10/22/1986EP0198318A1 Magnetic head cleaning system in a magnetic tape apparatus
10/22/1986EP0198307A1 Coating composition containing polymeric surfactant
10/22/1986EP0198120A2 Magnetic head with soft magnetic half cores
10/22/1986EP0198110A2 Process for producing ferromagnetic chromium dioxide
10/21/1986US4618902 Magnetic head with clamping erase back core
10/21/1986US4618901 High density magnetic head
10/21/1986US4618899 Record mode discrimination circuit
10/21/1986US4618898 Method and apparatus for reading a disk
10/21/1986US4618897 System for synchronizing plural data storage devices to a common master
10/21/1986US4618542 Metal carbonylsin vapor form, a reducing gas and optional oxidizing gas; plasma excitation
10/21/1986US4618537 Recording medium
10/21/1986US4618536 Magnetic recording medium
10/21/1986US4618535 Magnetic recording medium
10/21/1986CA1213044A1 Process of lift-off of material
10/21/1986CA1213041A1 Head support and positioning assembly for record/playback device
10/21/1986CA1213040A1 Apparatus for reading a record carrier
10/21/1986CA1213039A1 Method of recording a digital information signal on a record carrier, record carrier provided with such an information signal, and read/write apparatus for such a record carrier
10/21/1986CA1212996A1 Magnetic sensor
10/15/1986EP0197785A2 Substrate material for magnetic recording media
10/15/1986EP0197782A1 Apparatus for reproducing digital signals
10/15/1986EP0197663A2 Methods of and apparatus for controlling a bimorph distortion detection device
10/15/1986EP0197608A1 Magnetic recording element
10/15/1986EP0197532A2 Magnetic head
10/15/1986EP0197520A2 Magnetic recording/reproducing apparatus
10/15/1986EP0197394A2 Electromagnetic actuator and magnetic disk file employing same
10/15/1986EP0197361A1 Perpendicular magnetic-recording medium and process for its production
10/15/1986EP0197333A2 Method for recording a signal on a record carrier in the form of a tape
10/15/1986EP0197195A2 Polyester-polyurethane composition and use thereof
10/15/1986EP0197158A1 Compound magnetic head
10/15/1986EP0197046A1 Flexible coating.
10/15/1986CN86101479A Simple type recording and reproducing apparatus for acoustic
10/15/1986CN85102724A 磁头 Magnetic head
10/14/1986US4617600 Magnetic head having a thin strip of magnetoresistive material as a reading element
10/14/1986US4617599 PCM signal recording/reproducing apparatus
10/14/1986US4617234 Excellent reproduction, low noise
10/14/1986US4617226 Magnetic recording medium
10/14/1986US4617164 Process for stretching polyester films
10/14/1986US4616920 Copying machine having an endless photoreceptor belt
10/14/1986CA1212760A1 Dual purpose head cleaner
10/14/1986CA1212759A1 Disk drive carriage structure
10/14/1986CA1212536A1 Coating compositions
10/09/1986WO1986005915A1 Data carrier tape with transfer strip; also a process and a device for its manufacture
10/08/1986EP0196985A1 Aluminium base alloy substrates for magnetic memory discs
10/08/1986EP0196860A1 Microfloppy disc drive head cleaner
10/08/1986EP0196678A2 Radiation-curable coatings containing reactive pigment dispersants
10/08/1986EP0196605A2 Magnetic head assembly
10/08/1986EP0196384A2 Calibration standard for flying height testers and method of manufacturing same
10/08/1986EP0071618B1 Digital television tape recording
10/08/1986EP0038858B1 Digitally controlled automatic bias circuit for magnetic recording
10/07/1986US4616284 Cleaning cassette with means for intermittently wetting a cleaning tape
10/07/1986US4616283 Apparatus for cleaning a video player/recorder
10/07/1986US4616282 Magnetic recording and/or playback device and magnetic transducing head therefor
10/07/1986US4616280 Mechanism for adjusting magnetic head
10/07/1986US4616279 Electrical connections for thin film transducer heads
10/07/1986US4616278 Information record disk having a unified structure
10/07/1986US4616277 Disk drive storage system having means for compensating for seek driving forces coupled between head actuators
10/07/1986US4616276 Disk file servo control system with fast reduction of repeatable head position error