| 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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| 03/19/1985 | US4505966 Magnetic recording medium |
| 03/19/1985 | CA1184293A1 Magnetic recording and playback of signals and magnetic transducing head therefore |
| 03/19/1985 | CA1184292A1 Linear moving coil actuator |
| 03/14/1985 | WO1985001177A1 Method of and apparatus for realising spatial sound effects |
| 03/14/1985 | WO1985001147A1 Magnetic recording structure and process |
| 03/14/1985 | WO1985001145A1 Track offest correction and gain adjustment in a disk drive servo using stored correction values |
| 03/14/1985 | WO1985001144A1 Photomagnetic recording and reproducing apparatus having device for detecting direction of magnetization of magnetic recording medium |
| 03/13/1985 | EP0133916A2 Process for forming a thin insulative coating on a substrate |
| 03/12/1985 | US4504880 Integrated magnetic recording head assembly including an inductive write subassembly and a magnetoresistive read subassembly |
| 03/12/1985 | US4504877 Auto-reverse type cassette tape player |
| 03/12/1985 | US4504874 Tape recorder |
| 03/12/1985 | US4504873 Identification field scan apparatus |
| 03/12/1985 | US4504871 Magnetic media test fixture apparatus |
| 03/12/1985 | US4504870 Automatic level adjustment with means for minimizing drop-out effects |
| 03/12/1985 | US4504542 Magnetic recording medium having a subbing layer of amorphous saturated polyesters |
| 03/12/1985 | US4504540 Thin film element |
| 03/12/1985 | US4504327 Corrosion-resistant and wear-resistant magnetic amorphous alloy and a method for preparing the same |
| 03/12/1985 | CA1183952A1 Protection against the re-transfer of recorded information of a data carrier |
| 03/12/1985 | CA1183950A1 Method for processing an information signal and means for carrying out the method |
| 03/12/1985 | CA1183945A1 Tracking control system for an information signal recording and reproducing apparatus |
| 03/12/1985 | CA1183944A1 Video signal reproducing apparatus |
| 03/06/1985 | EP0133706A2 Method and system for storing and retrieving multiple channel sampled data |
| 03/06/1985 | EP0133684A1 Substrate for a magnetic disc and method manufacturing same |
| 03/06/1985 | EP0035542B1 Composite magnetic head with multitrack support structure |
| 03/05/1985 | US4503473 For a floppy disc drive |
| 03/05/1985 | US4503471 Control arrangement for electronic appliance |
| 03/05/1985 | US4503440 Thin-film magnetic writing head with anti-saturation back-gap layer |
| 03/05/1985 | US4503439 Thin-film, compliant, non-pressure-point-telegraphing, electromagnetic read/write head structure |
| 03/05/1985 | US4503438 Method of erasing magnetic latent image in thermo-magnetic recording |
| 03/05/1985 | US4503396 Circuit and method for generating a ramp signal |
| 03/05/1985 | US4503394 Magnetoresistive sensor having a closed domain structure and electrode biasing |
| 03/05/1985 | US4503198 Binders for magnetic tapes |
| 03/05/1985 | US4503125 Protective overcoating for magnetic recording discs and method for forming the same |
| 03/05/1985 | US4503120 Vinyl acetate-vinyl chloride-maleic acid polymer and polyesterurethane |
| 03/05/1985 | US4503119 Magnetic recording media |
| 03/05/1985 | CA1183603A1 Apparatus and method for determining read head position |
| 02/28/1985 | WO1985000918A1 Method and apparatus for hydrodynamic magnetic recording |
| 02/26/1985 | US4502082 Spiral recording and associated system |
| 02/26/1985 | US4502021 Constant bandwidth automatic gain control system |
| 02/26/1985 | US4501801 Magnetic recording medium |
| 02/26/1985 | US4501800 Silicone lubricant contains carboxyl groups |
| 02/26/1985 | US4501795 Magnetic recording medium |
| 02/26/1985 | US4501774 Process for the production of cobalt-containing magnetic iron oxide powder |
| 02/26/1985 | US4501610 Acicular; aqueous iron oxide or oxyhydroxide suspension non-alkali metal salt of organic acid |
| 02/26/1985 | US4501225 Apparatus for making a magnetic recording medium |
| 02/26/1985 | CA1183254A1 Magnetic recording medium |
| 02/26/1985 | CA1183235A2 Apparatus for maintaining synchronization of a self- clocking stream of data |
| 02/20/1985 | EP0133233A1 Data transfer apparatus for use with a flexible magnetic disk or the like |
| 02/20/1985 | EP0133232A1 Data transfer apparatus for use with a flexible magnetic disk or the like |
| 02/19/1985 | US4501014 Method for eliminating unwanted acoustic signals in audio programs to be edited for reproduction |
| 02/19/1985 | US4500932 Signal processing circuit |
| 02/19/1985 | US4500599 Mixture of two ferric oxide powders in binder |
| 02/19/1985 | US4500407 Disk or wafer handling and coating system |
| 02/19/1985 | CA1182905A1 Magnetic transducer head utilizing magnetoresistance effect |
| 02/19/1985 | CA1182904A1 Videorecorder for recording a vision carrier that is frequency modulated with a video signal |
| 02/19/1985 | CA1182846A1 Rolling bias spring |
| 02/13/1985 | EP0133141A1 Filled and biaxially oriented polyester films and their use in the production of magnetic tapes |
| 02/13/1985 | EP0133066A2 Laminate for thermal protection or heat dispersion means |
| 02/13/1985 | EP0133025A1 Cassette tape recording and/or reproducing apparatus |
| 02/13/1985 | EP0132967A1 Magnetic recording medium |
| 02/13/1985 | EP0132951A1 Polyester film and magnetic recording medium made therefrom |
| 02/13/1985 | EP0132918A2 Magnetic tape recording and reproducing apparatus |
| 02/13/1985 | EP0132852A2 Magnetic reproducing apparatus |
| 02/12/1985 | US4499572 Method for reading information or defect out of rotating disc |
| 02/12/1985 | US4499570 Dropout circuit arrangement for converting an information signal into a rectangular signal |
| 02/12/1985 | US4499516 Cleaning disk with opaque ring |
| 02/12/1985 | US4499515 Integrated magnetostrictive-piezoresistive magnetic recording playback head |
| 02/12/1985 | US4499511 System for detecting position of a read-write head in seek operation on a disk memory having data servo spectors |
| 02/12/1985 | US4499510 Precision alignment system for information storage devices |
| 02/12/1985 | US4499507 Data reproducing apparatus for reproducing digital data recorded on multi-tracks |
| 02/12/1985 | US4499138 Magnetic recording medium |
| 02/12/1985 | US4499122 Process for finishing surfaces achieving improved magnetic disk performance |
| 02/12/1985 | US4499121 Method of preparing a magnetic recording medium with a calendering treatment |
| 02/12/1985 | CA1182559A1 Head support arm and head/arm assemblies for disk files |
| 02/12/1985 | CA1182558A1 Apparatus and method for cleaning a video player/recorder |
| 02/05/1985 | US4498146 Management of defects in storage media |
| 02/05/1985 | US4498115 Magnetic-tape cassette having a capstan cleaning device |
| 02/05/1985 | US4498114 Non-abrasive magnetic head cleaning system |
| 02/05/1985 | US4498113 Apparatus and method for cleaning a video player/recorder |
| 02/05/1985 | US4498111 Method and apparatus for recording or reproducing stereophonic information in a magnetic record carrier |
| 02/05/1985 | US4497865 High tensile strength magnetic tapes; shrinkage inhibition |
| 02/05/1985 | US4497864 Ferromagnetic materials dispersed in a polyisocyanate binder and fatty acid non-hydroxy ester |
| 02/05/1985 | US4497850 Method for surface treatment of a magnetic amorphous alloy |
| 02/05/1985 | US4497723 Preparation of acicular, ferrimagnetic iron oxides |
| 02/05/1985 | US4497654 Ferromagnetic metallic powders useful for magnetic recording and processes for producing said metallic powders |
| 02/05/1985 | CA1182214A1 Thermal compensation for magnetic head assembly |
| 02/05/1985 | CA1182213A1 Safeguarding of data recorded on disk by tunnel erase magnetic head assembly |
| 02/05/1985 | CA1182212A1 Method and apparatus for recording digitized information on a record medium |
| 01/31/1985 | WO1985000459A1 Method and apparatus to improve the positioning accuracy of a tracking arm |
| 01/31/1985 | WO1985000458A1 Disk drive positioning system providing passive head crash protection |
| 01/30/1985 | EP0132398A1 A method and apparatus for ion beam generation |
| 01/30/1985 | EP0132396A1 Apparatus for winding a wire around a toroidal core |
| 01/29/1985 | US4497006 Magneto-optic recording/playback head assembly |
| 01/29/1985 | US4497005 Multiple magnetic transducer head, particularly for use with multi-track video tape recording apparatus |
| 01/29/1985 | US4497000 Magnetic recording/reproducing apparatus |
| 01/29/1985 | US4496910 Pre-amplifier having improved sonic performance |
| 01/29/1985 | US4496686 Unsaturated compound, pigment and dispersant containing carboxyl groups |
| 01/29/1985 | US4496626 Magnetic recording medium |
| 01/29/1985 | US4495812 Method and device for balancing circular plate-shaped objects |
| 01/23/1985 | EP0132186A1 Highly integrated magnetic transducer for writing information on a magnetic carrier |