Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826) |
---|
12/13/1988 | US4791032 Magnetic recording media and process of fabricating |
12/13/1988 | US4791021 Magnetic recording medium |
12/13/1988 | US4790972 Polypropylene, adhesive, barrier layer; heat sealing before forming into containers |
12/13/1988 | CA1246738A1 Magnetic-tape-cassette apparatus comprising a servo device |
12/13/1988 | CA1246737A1 Cassette tape recording and/or reproducing apparatus |
12/13/1988 | CA1246736A1 Method and apparatus to improve the positioning accuracy of a tracking arm |
12/13/1988 | CA1246321A1 Magnetic particles and method of production thereof |
12/08/1988 | DE3816467A1 Magnetic recording medium |
12/08/1988 | DE3717552A1 Laminated magnetic head with main pole and auxiliary pole |
12/07/1988 | EP0293864A2 Halogen-containing polyether and its use |
12/07/1988 | EP0293809A2 Method and apparatus for controlling the positioning of a head in a recording/reproducing apparatus |
12/07/1988 | EP0293685A2 Process for the preparation of stabilized acicular ferromagnetic chromiumdioxide |
12/07/1988 | EP0293662A2 A process for making a thin film metal alloy magnetic recording disk with a hydrogenated carbon overcoat |
12/07/1988 | CN87103744A Phonographic recorder tape for special purpose |
12/06/1988 | US4790014 Low-pitched sound creator |
12/06/1988 | US4789972 Selectively controlling the erasure in a magneto-optic recording medium |
12/06/1988 | US4789914 Thin film magnetic read-write head/arm assemblies |
12/06/1988 | US4789913 Method and apparatus for lubricating a magnetic disk continuously in a recording file |
12/06/1988 | US4789910 Magnetic yokes with magnetic gap |
12/06/1988 | US4789906 Video signal recording apparatus |
12/06/1988 | US4789838 Pulse detection circuit using amplitude and time qualification |
12/06/1988 | US4789606 Magneto-optical recording medium |
12/06/1988 | US4789599 Epoxy containing vinyl chloride resin, perfluoroalkyl acid, magnetic powder; heat resistance |
12/06/1988 | US4789598 With platinum and chromium for corrosion resistance, noise reduction; high density disks |
12/06/1988 | US4789591 Iron oxide layer with absorged cobalt; high density, high resolution, thermal stability |
12/06/1988 | US4789590 Vinyl chloride resin containing solfonate or caroxylic acid; magnetic tape head cleaner |
12/06/1988 | US4789583 Magnetic recording medium |
12/06/1988 | US4789581 Magnetic recording medium |
12/06/1988 | US4789494 Magnetic recording media |
12/06/1988 | US4789238 Method of inspecting magnetic disk surface |
12/06/1988 | US4788762 Method of manufacturing a magnetic head for a video magnetic tape apparatus |
12/06/1988 | CA1246216A1 Arch flexure for winchester sliders |
12/06/1988 | CA1246215A1 Air bearing slider design |
12/06/1988 | CA1246214A1 Moving magnet disc drive actuator |
12/01/1988 | WO1988009550A1 Magnetic or other recording device with rotating engraving head(s) |
12/01/1988 | DE3717655A1 Device for the magnetic recording and replaying of a number of video signals, using a tape-shaped recording carrier |
11/30/1988 | EP0292886A2 Process for applying dispersions to flexible supports in such a way that no patterns occur |
11/30/1988 | EP0292740A2 Recording and reproducing apparatus |
11/30/1988 | EP0292519A1 Process and device for generating material structures of atomic dimensions. |
11/29/1988 | US4788713 One button control system for telephone answering device |
11/29/1988 | US4788613 Magnetic head having coil bobbin for mounting printed circuit board |
11/29/1988 | US4788612 Extended metal in gap head |
11/29/1988 | US4788611 Magnetic transducer head |
11/29/1988 | US4788608 Head positioning system for positioning a magnetic head on an eccentric target track |
11/29/1988 | US4788602 Rotary head type recording and/or reproducing apparatus |
11/29/1988 | US4788590 RF converter employing an SAW filter |
11/29/1988 | US4788103 Magnetic recording medium |
11/29/1988 | US4788095 Metal oxide magnetic substance and a magnetic film consisting thereof and their uses |
11/29/1988 | US4788092 High density, low noise, coercive force; ferromagnetic powder dispersed with binder |
11/29/1988 | US4787942 Uniform films |
11/24/1988 | DE3714787A1 Magnetic storage device with a recording medium to be magnetised and a corresponding magnetic head |
11/23/1988 | EP0291693A1 Video apparatus with a scannable record carrier |
11/22/1988 | US4787094 Apparatus for transmitting digital signal |
11/22/1988 | US4787004 Magnetic head including single crystal and polycrystalline ferrites with interfacial oxide layer |
11/22/1988 | US4787003 Step-up type magnetic head |
11/22/1988 | US4787002 Magnetic head having a read/write coil with a d.c. current through it for cancellation of leakage magnetic flux from erase coil |
11/22/1988 | US4787001 Magnetic disc apparatus |
11/22/1988 | US4786999 Transducer suspension mount apparatus |
11/22/1988 | US4786994 Method of and apparatus for controlling the displacement of a movable system driven by an electric motor |
11/22/1988 | US4786993 Voltage amplifier for constant voltage biasing and amplifying signals from a MR sensor |
11/22/1988 | US4786991 Magnetic recording/reproduction apparatus |
11/22/1988 | US4786990 Servo gain compensation in a disc drive |
11/22/1988 | US4786989 Waveform equalizer for signal reproduced from a magnetic recording medium |
11/22/1988 | US4786988 Method and device for recording control signals for high-speed contact printing |
11/22/1988 | US4786984 Method and apparatus for locating the edge of a magnetic tape |
11/22/1988 | US4786657 Polyurethanes and polyurethane/polyureas crosslinked using 2-glyceryl acrylate or 2-glyceryl methacrylate |
11/22/1988 | US4786564 Two layers of nickel-phosphorus alloy, sputtering |
11/22/1988 | US4786559 Magnetooptical storage element |
11/22/1988 | US4786558 Silanol coupling agent |
11/22/1988 | US4786557 Magnetic recording medium of continuous form |
11/22/1988 | US4786553 Cobalt-nickel magnetic film containing zirconium or hafnium; corrosion, wear resistance |
11/22/1988 | US4786551 Ester lubricant, carbon black of two particle size ranges |
11/22/1988 | US4786544 Dispersion of liquid and solid lubricants |
11/22/1988 | US4786430 Glassy boron matrix |
11/22/1988 | US4785526 Method of manufacturing a magnetic head |
11/22/1988 | CA1245051A1 Calibration standards for flying height testers |
11/17/1988 | WO1988009031A1 Forming digital data for magnetic tape |
11/17/1988 | EP0291306A2 Magnetic card and methods for handling it |
11/17/1988 | EP0291248A2 A magneto-optic medium and system |
11/17/1988 | EP0291161A1 Electrolytic treatment of a surface |
11/17/1988 | EP0290823A2 Magnetic head assembly for perpendicular magnetic recording |
11/17/1988 | EP0290522A1 Device for generating and detecting magnetic material structures at atomic levels. |
11/16/1988 | CN88102586A Recorder of turn back automatically |
11/16/1988 | CN87103234A Tape recorder |
11/15/1988 | US4785366 Magnetoresistive read transducer having patterned orientation of longitudinal bias |
11/15/1988 | US4785363 Cartridge alignment mechanism for tape drive |
11/15/1988 | US4785252 Waveform processing circuit |
11/15/1988 | US4785239 Method and apparatus for characterizing magnetic coating compositions as well as improving magnetic particle dispersions |
11/15/1988 | US4785161 Laser machining for producing very small parts |
11/15/1988 | US4784914 Vinyl chloride copolymer with carboxy, sulfonate, phosphonate group, polyurethane blend |
11/15/1988 | US4784913 Support with vinyl chloride resin with cationic ammonium groups |
11/15/1988 | US4784907 Fatty ester lubricant, vinyl chloride polymer-polyurethane blend binder |
11/15/1988 | US4784895 Mixed layer |
11/15/1988 | CA1244939A1 Stretched surface recording disk substrate |
11/15/1988 | CA1244937A1 Magnetic reproducing apparatus having thin film head for use with perpendicularly magnetized medium |
11/15/1988 | CA1244818A1 Magnetic recording medium with lubricant |
11/10/1988 | DE3814536A1 Binder for inorganic additives, and magnetic recording medium containing the binder |
11/09/1988 | EP0290281A2 Apparatus for giving auxiliary magnetic field |
11/09/1988 | EP0290263A1 Platelike magnetic powder and its manufacturing method and a recording medium which use the platelike magnetic powder |
11/09/1988 | EP0290177A1 Process for producing ultrafine metal powder |