| 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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| 12/26/1978 | US4131923 Magnetic-head locating arrangement for floppy-disk mechanisms |
| 12/26/1978 | US4131921 Head positioning system for disc files |
| 12/26/1978 | US4131912 Apparatus for recording and reproducing video signals on a magnetic tape movable at different speeds |
| 12/26/1978 | US4131717 Magnetic recording medium |
| 12/26/1978 | US4130912 Tape head cleaning device |
| 12/26/1978 | CA1045244A1 Magnetic recording and reproducing apparatus |
| 12/26/1978 | CA1045243A2 Tape motion control in an incrementing magnetic tape transport |
| 12/19/1978 | US4130847 Corrosion resistant thin film head assembly and method for making |
| 12/19/1978 | US4130846 Magnetic transducer |
| 12/19/1978 | US4130844 Method and means for tracking magnetic tracks |
| 12/19/1978 | US4130739 Circuitry for compression of silence in dictation speech recording |
| 12/19/1978 | US4129937 Method of making grounded transducer for magnetic record disks |
| 12/19/1978 | CA1044804A1 Transducer positioning system |
| 12/19/1978 | CA1044801A1 Pre-recorded digital data compensation system |
| 12/12/1978 | US4129892 Back-up pressure mechanism with tensioned elongated member |
| 12/12/1978 | US4129880 Channel depletion boundary modulation magnetic field sensor |
| 12/12/1978 | CA1044367A1 Rotary head assembly forming air bearing with tape |
| 12/12/1978 | CA1044207A1 Container for magnetic tape |
| 12/05/1978 | US4128852 Tape transport mechanism for recording and playing back video signals |
| 12/05/1978 | US4128691 Process for the production of a magnetic recording medium |
| 12/05/1978 | US4128673 Method for super calendering magnetic recording elements |
| 12/05/1978 | US4128672 Process of making a magnetic recording medium |
| 12/05/1978 | CA1043905A1 Magnetic recording apparatus |
| 12/05/1978 | CA1043638A1 Magnetic recording member |
| 12/05/1978 | CA1043593A1 Process for production of ferromagnetic powder |
| 12/05/1978 | CA1043588A1 Powdery material for magnetic recording medium and process for production of same |
| 11/28/1978 | US4127884 Magnetic head and method of making the same |
| 11/28/1978 | US4127883 Supporting mechanism for magnetic tape recorder |
| 11/21/1978 | US4126885 Card recording and/or reproducing apparatus |
| 11/21/1978 | US4126714 Process for treating chromium dioxide |
| 11/21/1978 | US4126494 Magnetic transfer record film |
| 11/21/1978 | CA1043010A1 Data storage mechanism having a flexible magnetic disk |
| 11/14/1978 | US4125882 Disc file system with improved seek control |
| 11/14/1978 | US4125668 Lubricants comprising dialkanolamine derivatives |
| 11/14/1978 | US4125474 Process for producing ferrogmagnetic iron oxide powder comprising a pre-treatment with a reducing agent |
| 11/14/1978 | CA1042546A1 Method and apparatus for controlling the risetime of a digital magnetic recording waveform |
| 11/14/1978 | CA1042278A1 Method of producing a magnetic recording material |
| 11/14/1978 | CA1042277A1 Magnetic recording medium and method of making the same |
| 11/14/1978 | CA1042276A1 Magnetic recording medium with lubricant |
| 11/07/1978 | US4124874 Magnetic information transducer assembly |
| 11/07/1978 | US4124736 Surface protected magnetic recording members |
| 11/07/1978 | CA1042100A1 Device for controlling the position of a magnetic head with respect to an information track to be followed |
| 10/31/1978 | US4123791 Magnetic transducer device with outrigger bars |
| 10/31/1978 | US4123790 Magnetic head with mechanically isolated thin film sensor |
| 10/31/1978 | US4123788 Magnetic information carrier with optical servo tracks and apparatus for reading and writing the same |
| 10/31/1978 | CA1041663A1 Method of manufacturing a magnetic head and magnetic head manufactured by means of the method |
| 10/31/1978 | CA1041661A1 Magnetic tape head indexing mechanism with single armature spring |
| 10/31/1978 | CA1041291A1 Magnetic tape binder system |
| 10/24/1978 | US4122505 Magneto-resistive reading head with suppression of thermal noise |
| 10/24/1978 | US4122503 Positioning system and method particularly useful for magnetic disk drives |
| 10/24/1978 | US4122502 Playback system for a magnetic tape recorder |
| 10/24/1978 | US4122499 Video signal recording and reproducing system for special motion effects |
| 10/24/1978 | US4122234 Magnetic memory element, epoxy resin, polyamine, cellulose acetate butyrate |
| 10/24/1978 | US4122216 Ferro-magnetic acicular particles for recording medium and process for preparing the same |
| 10/24/1978 | US4121964 Apparatus and methods for fabrication of magnetic printing belt |
| 10/17/1978 | US4121265 Temperature compensation for data storage apparatus |
| 10/17/1978 | US4121264 Method for recording information signal and control signal |
| 10/17/1978 | US4121263 Method and apparatus for control signal separation to regain synchronization between a visual image projector and an audio program |
| 10/17/1978 | US4121262 Magnetic recording/reproducing device |
| 10/17/1978 | US4120629 Production control apparatus |
| 10/17/1978 | CA1040766A1 Tuner with digitally coded indicia |
| 10/17/1978 | CA1040740A1 Track following servo system |
| 10/17/1978 | CA1040547A1 Oil mist lubricator for metal tape |
| 10/10/1978 | US4120011 Magnetic head employing easy axis thin film inductor |
| 10/10/1978 | US4120010 Air bearing head support |
| 10/10/1978 | US4120008 Overlap track servo for dynamic position correction in a rotary-head tape recorder |
| 10/10/1978 | US4119536 Method of disposing of a ferrous-ion containing acidic aqueous waste by forming polycrystalline iron compound particles |
| 10/10/1978 | CA1040308A1 Signal recording and/or reproducing apparatus with phase shifting to compensate for amplitude levels at overlap points |
| 10/10/1978 | CA1040305A1 Slotted rotating head which files relative to flexible magnetic media |
| 10/10/1978 | CA1040304A2 Visual and magnetic recording system |
| 10/03/1978 | US4118747 Composite magnetic head |
| 10/03/1978 | CA1039849A1 Integrated mr read, inductive write, recording head |
| 09/26/1978 | US4117523 Magnetic sensor having a hollow housing sealed with a shield cap |
| 09/26/1978 | US4117522 Isthmian precision adjustable mount for magnet head assembly |
| 09/26/1978 | US4117521 Flexible disc recorder with skewed transducer transport |
| 09/26/1978 | US4117519 Guide drum apparatus in a magnetic recording and/or reproducing apparatus |
| 09/26/1978 | US4117190 Graphite anti-abrasion layer |
| 09/26/1978 | CA1039124A1 Magnetic recording medium |
| 09/26/1978 | CA1039086A1 Magnetic powder and tape prepared therefrom |
| 09/26/1978 | CA1039050A1 Magnetic iron oxides with improved orientability and a process for their production |
| 09/26/1978 | CA1039049A1 Magnetic pigments with improved orientability and a process for their production |
| 09/19/1978 | US4115827 Magnetic transducer for narrow track recording and playback |
| 09/19/1978 | US4115823 Track following servosystem for data storage apparatus |
| 09/19/1978 | US4115786 Constant wavelength magnetic recording |
| 09/19/1978 | US4115290 Resin coatings, nitrocellulose binder |
| 09/19/1978 | US4114259 Pole pairs, slotted spacers |
| 09/12/1978 | US4114183 Recording system with gas supported record medium |
| 09/12/1978 | US4114029 Magnetic recording |
| 09/12/1978 | US4113994 Dictation recording and transcribing system utilizing selectable dual message record-playback apparatus |
| 09/12/1978 | US4113528 Oxidizing agent added to slurry of metal or alloy particles formed by reducing metal ions under magnetic field |
| 09/12/1978 | CA1038493A1 Shielded magnetoresistive magnetic transducer and method of manufacture thereof |
| 09/12/1978 | CA1038492A1 Stacked flexible record disk storage apparatus having enhanced disk separation using a primary bending mode in a stack of disks |
| 09/12/1978 | CA1038491A1 Stacked flexible record disk storage apparatus having enhanced disk separation with transducer mounted in disk separator |
| 09/12/1978 | CA1038489A1 Selectively tensioned transducer assembly for operation in compliant relation to individual memory discs of a partitionable aggregate of rotating flexible discs |
| 09/12/1978 | CA1038488A1 Stabilization of partitionable memory with flexible rotating discs |
| 09/05/1978 | US4112472 Longitudinal scan, cam shaped, turntable rotor for magnetic recording |
| 09/05/1978 | US4112381 Peak detector |
| 09/05/1978 | US4112187 Flexible |
| 09/05/1978 | US4112184 Magnetic recording medium and method of preparing |
| 09/05/1978 | US4110902 Method for manufacturing a magnetic head for video signal |