| 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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| 07/11/1979 | EP0002697A1 Sprung mass oscillation system |
| 07/10/1979 | US4161005 Magnetic heads and fixing material with an additional filler of MoS2 |
| 07/10/1979 | US4161004 Head positioning mechanism for recording/playback machine |
| 07/10/1979 | US4160315 Method of making a magnetic head assembly |
| 07/03/1979 | CA1057850A1 Magnetic head switching system |
| 06/28/1979 | WO1979000383A1 Thin-film coil producing method |
| 06/26/1979 | US4159493 Combined magnetic head having recording and playback cores |
| 06/26/1979 | US4159492 Automatic reverse apparatus for magnetic recorder/player |
| 06/26/1979 | US4159489 Magnetic record reproducing system |
| 06/26/1979 | CA1057396A1 Self-lubricating magnetic recording diskette |
| 06/19/1979 | US4158871 Kit for servicing tape cartridge playback unit |
| 06/19/1979 | US4158870 Reflecting means for visual inspection of magnetic tape head |
| 06/19/1979 | US4158868 Universally adjustable head support for tape deck |
| 06/19/1979 | US4158865 Automatic switching device for cassette tape recorder |
| 06/19/1979 | US4158862 Selective fixation method for producing permanent magnetic recordings |
| 06/19/1979 | US4158857 Jitter measuring apparatus |
| 06/19/1979 | CA1056945A1 System for recording and/or reproducing a video signal |
| 06/19/1979 | CA1056944A1 Method of detecting alterations in signals corresponding to the read-out of a data carrier and system for implementing such a method |
| 06/13/1979 | EP0002241A1 Magnetic recording tapes incorporating polyurethane elastomer binders in the magnetic layer |
| 06/12/1979 | US4158213 Multitrack magnetic heads |
| 06/12/1979 | US4158212 Magnetic tape head azimuth assembly |
| 06/12/1979 | CA1056511A1 Intermetallic layers in thin films for improved electromigration resistance |
| 06/12/1979 | CA1056502A1 Eliminating part of magnetic crostalk in magnetoresistive sensors |
| 06/12/1979 | CA1056500A1 Read/write machine for magnetic striped document card |
| 06/12/1979 | CA1056498A1 Method and apparatus for inserting data records on magnetic tape |
| 06/12/1979 | CA1056467A1 Bias/erase oscillator |
| 06/12/1979 | CA1056150A1 Magnetic fe oxide and process for producing the same |
| 06/05/1979 | US4157581 Hand-operated bulk eraser for magnetic tape cassettes |
| 06/05/1979 | US4157577 Rotatable storage apparatus with digitally responsive circuitry for track selection |
| 06/05/1979 | US4157576 Track-dependent transducer position control in magneto-dynamic storage devices, and a magnetic recording medium to which this method is applicable |
| 06/05/1979 | US4157571 Frame-by-frame memory display system |
| 06/05/1979 | CA1056056A1 Multiple flexible disk file |
| 06/05/1979 | CA1056055A1 Storage system having a universal disk drive and a family of data modules |
| 06/05/1979 | CA1056054A1 Amplifier with howling-preventing circuit |
| 06/05/1979 | CA1056053A1 Method and apparatus for supporting tape along a path of a rotating head |
| 05/30/1979 | EP0002133A1 Positioning servo mechanism |
| 05/29/1979 | US4156882 Magnetic transducer |
| 05/29/1979 | CA1055607A1 Tape sensing device for magnetic tape recording and/or reproducing apparatus |
| 05/29/1979 | CA1055234A1 Method of manufacturing magnetic heads |
| 05/22/1979 | US4156261 Scanning device for a magnetic tape instrument |
| 05/22/1979 | US4156258 Head positioning device for multi-track tape recorders |
| 05/22/1979 | US4156052 Polyisobutylene oligomer as lubricant |
| 05/22/1979 | US4156037 Process for producing a magnetic recording medium |
| 05/22/1979 | CA1055158A1 Magnetic recording apparatus |
| 05/22/1979 | CA1055155A1 Magnetoresistive head with oblique equipotential strips |
| 05/22/1979 | CA1055154A1 Rotating memory accessing mechanism |
| 05/22/1979 | CA1055151A1 Recording and/or playback apparatus |
| 05/22/1979 | CA1054789A1 Audio-visual teaching system |
| 05/15/1979 | US4155106 Magnetic head using a semiconductor element |
| 05/15/1979 | US4154895 Magnetic recording member |
| 05/15/1979 | US4154875 Process for manufacturing a magnetic record member |
| 05/15/1979 | US4154874 Of aluminum and a transition metal, annealing, masking |
| 05/08/1979 | US4153920 Recording method employing a magnetic recording medium |
| 05/08/1979 | US4153919 Protective hood for cassette tape recorders |
| 05/08/1979 | US4153754 Magnetic recording medium in which an N-acylsarcosine derivative is used as a dispersing agent |
| 05/08/1979 | CA1053866A1 Microcellular heterocyclic polymer structures |
| 05/01/1979 | US4152742 Back bar retainer for magnetic head |
| 05/01/1979 | US4152741 Ferrite core magnetic head with improved reinforcement filler |
| 05/01/1979 | US4152739 Disk pack cartridge opening and partitioning apparatus |
| 05/01/1979 | US4152736 Magnetic disk file |
| 05/01/1979 | US4152734 Automatic tracking for a playback transducer |
| 05/01/1979 | US4152731 Read circuit for distinguishing false peaks in an alternating current playback signal |
| 05/01/1979 | US4152487 Magnetic record member |
| 05/01/1979 | US4152486 Curie temperature, alloy of dysprosium and iron |
| 05/01/1979 | US4152485 Magnetic recording medium |
| 05/01/1979 | US4152484 Magnetic recording media |
| 05/01/1979 | US4152476 Surface carrier film, magnetic coating, card substrate including polyester web coated on one side with polyethylenimine or polyethylene and on other side with adhesive |
| 05/01/1979 | US4152469 Thin film of lubricant applied to surface |
| 04/24/1979 | US4151600 Magneto-resistive detector with scanning bubble domain |
| 04/24/1979 | US4151591 Transverse track magnetic transducing heads |
| 04/24/1979 | US4151574 Magnetic head using a magnetic field-sensitive element and method of manufacturing same |
| 04/24/1979 | US4151573 Magnetic recording device for double sided media |
| 04/24/1979 | US4151570 Automatic scan tracking using a magnetic head supported by a piezoelectric bender element |
| 04/24/1979 | US4151569 Positionable transducer mounting structure using a piezoelectric bender element |
| 04/24/1979 | US4151568 Circuit arrangement for the slow, constant forward or reverse movement of the write/read heads in a cylinder memory |
| 04/24/1979 | US4150479 Method of making magnetic head cores with cant angles |
| 04/18/1979 | EP0001524A1 Novel ferromagnetic material based on chromium dioxide and rhodium dioxide, and its preparation |
| 04/18/1979 | EP0001435A1 Process for the production of non-agglomerated gamma ferric (III) oxide |
| 04/17/1979 | US4150408 Thin-film magnetic head for reading and writing information |
| 04/17/1979 | US4150407 Electrically controllable carrying-arm arrangement |
| 04/17/1979 | US4150406 Transducer lifting means employing plural flexures |
| 04/10/1979 | US4149207 Cartridge and flexible magnetic disk assembly |
| 04/10/1979 | US4149206 Cleaner for a playing head of a cassette player |
| 04/10/1979 | US4149205 Magnetic head and process for making laminated magnetic head |
| 04/10/1979 | US4149204 Minor bit reduction on a magnetic head |
| 04/10/1979 | US4149201 Transducer centering system |
| 04/10/1979 | US4149200 Transducer positioning system |
| 04/10/1979 | US4149199 Magnetic disc storage device with track centering correction |
| 04/10/1979 | US4149198 Transducer positioning system |
| 04/10/1979 | US4148644 Light-sensitive silver halide photographic materials |
| 04/03/1979 | US4148083 Reproducing system having scanning transducer means which are selectively deflectable to avoid tracking errors |
| 04/03/1979 | US4148082 Tracking control apparatus |
| 04/03/1979 | US4148080 Di-bit recording technique and associated system |
| 04/03/1979 | US4146956 Method for manufacturing a multipolar erasing head |
| 03/27/1979 | US4146911 Head spacing control |
| 03/27/1979 | US4146671 Low calcium content |
| 03/27/1979 | US4146031 Leader or trailer for a magnetic tape |
| 03/27/1979 | CA1051546A1 Combination end of tape sensor and tape guide device |
| 03/27/1979 | CA1051353A1 Spindle depress/brake mechanism |
| 03/20/1979 | US4145725 Electromagnetic actuator |