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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08/12/1987 | EP0231739A2 Voice coil motor magnet assembly |
08/12/1987 | EP0231625A1 Taper-flat slider |
08/12/1987 | CN87100502A Thin film magnetic head and method of manufacturing thereof |
08/11/1987 | US4686596 Recording head core yoke and method of manufacture |
08/11/1987 | US4686595 Apparatus for repositioning a transducer in the absence of electrical current to a drive system |
08/11/1987 | US4686592 Disk drive assembly |
08/11/1987 | US4686590 Apparatus for positioning a magnetic head |
08/11/1987 | US4686589 Recording and reproducing apparatus having an automatic tracking control system using multiple pilot signals |
08/11/1987 | US4686588 Azimuth adjustment apparatus for a magnetic head |
08/11/1987 | US4686585 VTR having automatic carrier detection |
08/11/1987 | US4686584 Video signal reproduction apparatus and method having noise reduction for fast video reproduction |
08/11/1987 | US4686563 Apparatus and method for locating dropouts |
08/11/1987 | US4686472 Magnetic sensor having closely spaced and electrically parallel magnetoresistive layers of different widths |
08/11/1987 | US4686470 Magnetic disk for measuring the azimuth of a transducer head |
08/11/1987 | US4686151 Substrate material for magnetic recording media |
08/11/1987 | US4686149 Corona discharge treatment, coating with hydrophobic polymer, and irradiation |
08/11/1987 | US4686147 Silicone containing polyimides insulation layer |
08/11/1987 | US4686146 Radiation-cured recording composition with bi-part lube |
08/11/1987 | US4686145 Magnetic recording medium, a process for preparing a magnetic recording medium and a binder composition therefor |
08/11/1987 | US4686142 Process for the production of iron oxides epitaxially coated with cobalt the coated oxides and their cue |
08/11/1987 | US4686139 Binder: resin and diphenyl methane diisocyanate hardening agent; high sensitivity |
08/06/1987 | DE3603431A1 Process for preparing acicular (needle-shaped) ferromagnetic metal particles consisting essentially of iron |
08/05/1987 | EP0231128A2 Plate-like barium ferrite particles and process for producing the same |
08/05/1987 | EP0231103A2 A head positioning system |
08/05/1987 | EP0231095A2 Oriented Polyester Film |
08/05/1987 | EP0230911A2 Magnetic recording medium |
08/05/1987 | EP0230831A1 Product for the instantaneous use as a thermal protection or dissipation screen |
08/05/1987 | EP0230566A2 Format patterning method for magnetic recording media |
08/04/1987 | US4685015 Cleaner cartridge, in particular for cleaning audio and video tape recorders and players |
08/04/1987 | US4685014 Production method of thin film magnetic head |
08/04/1987 | US4685013 Magnetic tape head alignment system |
08/04/1987 | US4685012 Magnetic head with anisotropy in plane of core ports |
08/04/1987 | US4685010 Locking and ejecting device for a recording and reproducing apparatus for magnetic discs |
08/04/1987 | US4685007 Disk drive with track zero location system |
08/04/1987 | US4685005 Two-module-read, read-after-write, bi-directional tape drive |
08/04/1987 | US4685004 Rotary head type PCM recording and reproduction method and system |
08/04/1987 | US4684793 Device for acquiring, storing and evaluating the data of a checking process |
08/04/1987 | US4684572 Magnetic recording medium |
08/04/1987 | US4684547 Format patterning method for magnetic recording media |
08/04/1987 | US4684546 Method of making a magnetic recording medium |
08/04/1987 | US4684454 Sputtering process for making magneto optic alloy |
08/04/1987 | US4684438 Process for producing a coil for a magnetic recording head |
07/30/1987 | DE3602394A1 Process for preparing oxide-free metal powder |
07/29/1987 | EP0230190A1 High density electrical connector and its use in a magnetic recording device with rotary heads |
07/29/1987 | EP0230073A1 Magnetic head for use in perpendicular registration |
07/29/1987 | EP0230034A2 Perpendicular magnetic recording medium |
07/29/1987 | EP0229996A2 System for recording, storing and reading information signals on a record medium |
07/29/1987 | EP0229925A2 Recorded data reproducing apparatus |
07/29/1987 | EP0229891A2 Head positioning system for floppy disk drives |
07/28/1987 | USRE32464 Thin film recording and method of making |
07/28/1987 | US4683511 Head and guide cleaning device for video tape recorder |
07/28/1987 | US4683509 High efficiency magnetic erase head |
07/28/1987 | US4683508 Magneto-resistive head with reduced thermal noise |
07/28/1987 | US4683507 Fixed/adjustable head mount |
07/28/1987 | US4683504 Apparatus for recording and reading binary information on a magnetic disc |
07/28/1987 | US4683503 Information signal reproducing apparatus having means for discriminating a track pitch and selecting the reproduction mode speed |
07/28/1987 | US4683280 Radiation curable composition |
07/28/1987 | US4683167 Cores, cobaltous hydroxide-ferrous hydroxide coating, zinc ion |
07/28/1987 | US4683012 Magnetic thin film |
07/22/1987 | EP0229732A2 Recording and/or reproducing apparatus for longitudinal recording |
07/22/1987 | EP0229621A2 Magnetic head device for magnetic disc |
07/22/1987 | EP0229395A2 Optical magnetic recording and reproducing method and apparatus |
07/22/1987 | EP0229346A1 Polyethylene naphthalate film for high-density magnetic recording media |
07/22/1987 | EP0229292A1 Optical-magnetic recording medium |
07/22/1987 | EP0229280A2 Planar linear pulse motor |
07/22/1987 | EP0229255A2 Polyethylene naphthalate film |
07/21/1987 | US4682257 Micro floppy disc head cleaner |
07/21/1987 | US4682256 Method of manufacturing a composite type magnetic head |
07/21/1987 | US4682255 Actuator arm bearing preload arrangement for a rotary disc drive |
07/21/1987 | US4682254 Gimbal spring supported magnetic recording head |
07/21/1987 | US4682253 Servo positioning system for disk drive system |
07/21/1987 | US4682248 Audio and video digital recording and playback system |
07/21/1987 | US4682245 Video and audio signal recording, reproducing and editing apparatus with replacement of viewed luminance signal component during insert audio editing mode |
07/21/1987 | US4681925 Fluorinated polyacrylates and polyacrylamides having a controlled cross-linking degree, and process for preparing same |
07/21/1987 | US4681813 Ceramic substrate for a thin layer magnetic head |
07/21/1987 | US4681669 Method for producing magnetic recording media |
07/21/1987 | US4681451 Optical proximity imaging method and apparatus |
07/21/1987 | US4681447 Interferometer apparatus and method for determining the spatial relationship of two or more objects |
07/21/1987 | CA1224565A1 Twin track vertical read-write head structure |
07/21/1987 | CA1224564A1 Disk accessing circuitry |
07/16/1987 | WO1987004095A1 Method of preparing base for memory disk |
07/16/1987 | WO1987004094A1 Method of preparing base for memory disk |
07/16/1987 | WO1987004093A1 Method of preparing metal base for memory disk |
07/16/1987 | DE3700757A1 Rotating head |
07/16/1987 | DE3600624A1 Process for stabilizing acicular ferromagnetic chromium dioxide |
07/15/1987 | EP0229014A2 Magnetic recording medium |
07/15/1987 | EP0228909A2 A magnetooptical storage element |
07/15/1987 | EP0228903A2 Magnetic heads |
07/15/1987 | EP0228882A2 Recorder-decoder system and decoder for such a system |
07/15/1987 | EP0228851A2 Sound field expansion systems |
07/15/1987 | EP0228688A2 Perpendicular magnetic recording head |
07/15/1987 | EP0228646A2 A signal processing apparatus for disc memory devices |
07/15/1987 | EP0228534A2 Electrical apparatus for increasing digital data density by signal processing |
07/15/1987 | EP0228526A2 Process and device for application of a magnetic strip on a slide |
07/15/1987 | CN86106790A Ferro-silicon-aluminium magnetic film and its manufacturing method and laminated film magnetic head |
07/14/1987 | US4680742 Magneto-optical recording element |
07/14/1987 | US4680657 Method and apparatus for reproducing magnetically recorded signals with a D.C. biasing magnetic field produced by a D.C. biasing coil |
07/14/1987 | US4680225 Magnetic tape having a leader tape |
07/14/1987 | US4680218 Magnetic recording medium |
07/14/1987 | US4680217 Polyester film for magnetic recording media |