| 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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| 03/20/1979 | US4145724 Automated magnetic tape cartridge retrieval handling and replay machine |
| 03/20/1979 | US4145301 Process for preparing magnetic oxides |
| 03/20/1979 | CA1050952A1 Tape cartridge drive |
| 03/13/1979 | US4144549 Transducer positioning device |
| 03/13/1979 | US4144466 Damping vibrations in voice coil actuator |
| 03/13/1979 | US4143458 Method of making a thin film magnetic head assembly |
| 03/13/1979 | CA1050594A1 Bearing structure |
| 03/13/1979 | CA1050437A1 Cleaner for a playing head of a cassette player |
| 03/07/1979 | EP0000967A1 Continuous coating of webs having spliced joints |
| 03/07/1979 | EP0000946A2 Apparatus for controlling the movement of the data head in a moving-head data recording system |
| 03/06/1979 | US4143405 Automatic head scan tracking system |
| 03/06/1979 | US4143259 Method of fabricating stainless steel aluminum rotor |
| 03/06/1979 | US4142420 Method for electrically calibrating the output of pressure transducers |
| 03/06/1979 | CA1050162A1 Thin-film head with overlapping legs |
| 03/06/1979 | CA1050118A1 Peak detector |
| 03/06/1979 | CA1049932A1 Soundhead restore mechanism |
| 02/27/1979 | USRE29922 Track selection control means for magnetic signal recording and reproducing systems |
| 02/27/1979 | US4142221 NAB tape cartridge eraser and splice finder |
| 02/27/1979 | US4142218 Magnetoresistive head |
| 02/27/1979 | US4142216 Aural-visual product display |
| 02/27/1979 | US4142010 Method for applying a viscous fluid to a substrate |
| 02/27/1979 | CA1049250A1 Process for preparing ferromagnetic chromium dioxide |
| 02/27/1979 | CA1049238A1 Method of bonding ferrite blocks |
| 02/22/1979 | WO1979000075A1 Cleaning and lubricating compositions |
| 02/21/1979 | EP0000749A1 Method for the preparation of needle-shaped ferrimagnetic iron oxides and their application |
| 02/20/1979 | US4141053 Magnetic tape head cleaning apparatus |
| 02/20/1979 | US4141052 Erase head |
| 02/20/1979 | US4141051 Variable dynamic range magneto-resistive head |
| 02/20/1979 | US4141050 Magnetic recording head assembly support with a sinuous gimbal spring |
| 02/20/1979 | US4141049 Loading mechanism for negative pressure sliders |
| 02/20/1979 | US4141048 Video signal recording and/or reproducing apparatus |
| 02/20/1979 | US4141047 Method and apparatus for correcting tracking errors of a transducer which scans parallel record tracks |
| 02/20/1979 | US4141045 Random selection control system for recording tape cartridges |
| 02/20/1979 | US4140539 Hydrothermal process for producing dense iron oxide pigments |
| 02/20/1979 | CA1049141A1 Value/use control and identification system for magnetic cards |
| 02/20/1979 | CA1048865A1 Multilayer magnetic recording elements and process of preparation |
| 02/20/1979 | CA1048759A1 Magnetic transducer head core manufacturing method |
| 02/13/1979 | US4139877 Modular read/write head carriage with drive for floppy disk units |
| 02/13/1979 | US4139873 Method and apparatus for video signal recording |
| 02/13/1979 | US4139867 Method for fast- and slow-motion reproduction of video signals stored in a succession of parallel tracks on a record medium |
| 02/13/1979 | CA1048641A1 Method and apparatus for mounting a cassette record-playback head |
| 02/13/1979 | CA1048640A1 Power supply circuit |
| 02/13/1979 | CA1048470A1 Stackable winding cores for magnetic tapes |
| 02/13/1979 | CA1048250A1 Method of manufacturing magnetic heads |
| 02/06/1979 | US4138702 Head arrangement for perpendicular recording information on a magnetic record carrier |
| 02/06/1979 | US4138697 Data recording system for indicating power outage on master and slave recorders |
| 02/06/1979 | US4138696 Device for automatically recording, reproducing and translating, a magnetic transducer |
| 02/06/1979 | US4138386 Polyester film for magnetic tape |
| 02/06/1979 | US4138229 Two kinds of particles |
| 02/06/1979 | CA1048149A1 Rotating head apparatus having a protruding diameter headwheel which supports a protruding flying head |
| 02/06/1979 | CA1048147A1 Restraint device for buckling a flexible magnetic disk stack upon partitioning |
| 01/30/1979 | US4137555 Magnetic head |
| 01/30/1979 | US4137554 Magnetic head employing flux interrogation |
| 01/30/1979 | US4137342 Cobalt-doped acicular hyper-magnetite particles |
| 01/30/1979 | CA1047641A1 Rotary head assembly |
| 01/30/1979 | CA1047640A1 Tape head mount |
| 01/30/1979 | CA1047330A1 Thermally resistant magnetic tape |
| 01/23/1979 | US4136373 Bulk tape eraser |
| 01/23/1979 | US4136371 Magnetic head employing hard axis thin film inductor |
| 01/23/1979 | US4136370 Magnetic film sensor |
| 01/23/1979 | US4136369 Disc recorder with lead screw drive |
| 01/23/1979 | US4136368 Through-partitioning of portable flexible disk pack and associated apparatus |
| 01/23/1979 | US4136365 Magnetic disc storage devices having compensation for dimensional changes |
| 01/23/1979 | US4136293 Multi-actuator system using single magnetic circuit |
| 01/23/1979 | US4136158 Production of acicular magnetic iron oxides |
| 01/23/1979 | US4136049 Process for treating acicular magnetite containing co to stabilize the magnetic properties thereof |
| 01/23/1979 | US4135314 Pre-recorded magnetic audio tape for study |
| 01/23/1979 | CA1047161A1 Magnetic head using a magnetic-field-sensitive element and method of manufacturing same |
| 01/16/1979 | US4135219 Demagnetizer for a magnetic head of a recording-reproducing device |
| 01/16/1979 | US4135218 Magnetic recording and reproducing apparatus |
| 01/16/1979 | US4135217 Utilization of stored run-out information in a track following servo system |
| 01/16/1979 | US4135036 Process for production of magnetic recording media and recording media |
| 01/16/1979 | US4135032 Carbon black or graphite |
| 01/16/1979 | US4135031 Magnetic recording substance |
| 01/16/1979 | US4135016 High fatty acid substituted silicones |
| 01/16/1979 | CA1046634A1 Magnetic head with thin sheet exhibiting magnetoresistive property |
| 01/16/1979 | CA1046633A1 Transient suppression for tape player integrated circuit preamplifier |
| 01/16/1979 | CA1046307A1 Organometallic salts, metallic powders produced therefrom, and process for making the same |
| 01/16/1979 | CA1046264A1 Ferromagnetic powder for magnetic recording medium and method for preparation thereof |
| 01/16/1979 | CA1046239A1 Method for producing a ferromagnetic chromium oxide |
| 01/10/1979 | EP0000318A1 Semiconductor field-effect sensor for an electric or magnetic field |
| 01/10/1979 | EP0000261A1 Positioning system employing feedforward and feedback control |
| 01/09/1979 | US4134143 Apparatus for driving and controlling a partitionable flexible disk pack |
| 01/09/1979 | US4134140 Voltage mode amplifier for use with a high Q magnetic head |
| 01/09/1979 | US4134126 Color recorder having means for reducing luminance crosstalk in displayed image |
| 01/09/1979 | US4134053 Method and means for capturing magnetic tracks |
| 01/09/1979 | US4133911 Applying a fluid dispersion by spin-coating |
| 01/09/1979 | US4133491 Method of and apparatus for winding up tapes on reels |
| 01/09/1979 | CA1046161A1 Magneto-resistive head with crosstalk compensation |
| 01/09/1979 | CA1046160A1 Device for the magnetic recording by means of a magnetic strip domain as a recording playback head |
| 01/02/1979 | US4133015 Head positioner for disc recorders |
| 01/02/1979 | US4133014 Apparatus for reproducing and/or recording magnetic tape in cassettes |
| 01/02/1979 | US4133011 Sampled data positioning system employing a model of the physical system for time optimal control |
| 01/02/1979 | US4133010 Sound recording apparatus |
| 01/02/1979 | US4132827 Carbon black |
| 01/02/1979 | US4132552 Dimensionally stable polyester film supports with subbing layer thereon |
| 01/02/1979 | US4132350 Magnetic card |
| 01/02/1979 | CA1045714A1 Multi-track magnetic head |
| 12/26/1978 | US4131926 Magnetic tape and recording method therefor |
| 12/26/1978 | US4131924 Flexure mounted magnetic head positioner for high-speed translation |