| 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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| 10/09/1985 | EP0156960A2 Disc, tape and hybrid disc-tape memory apparatus and drive assembly |
| 10/09/1985 | EP0156916A1 Photomagnetic recording and reproducing apparatus having device for detecting direction of magnetization of magnetic recording medium |
| 10/08/1985 | US4546461 Method for recording information on a recording disc |
| 10/08/1985 | US4546398 Perpendicular magnetic recording and reproducing head |
| 10/08/1985 | US4546395 Differential signal decoders |
| 10/08/1985 | US4546392 Information recording and reproducing apparatus |
| 10/08/1985 | US4546242 Method for protecting against the re-transfer of uniquely recorded information on a data carrier and apparatus for recording and/or reading re-transfer-protected information |
| 10/08/1985 | US4546044 Magnetic recording medium |
| 10/08/1985 | US4546038 Magnetic recording medium |
| 10/08/1985 | US4546036 Magnetic recording medium having opaque polyester film base |
| 10/08/1985 | US4546035 Polymeric additives for magnetic coating materials |
| 10/08/1985 | US4546030 Polyethylene terephthalate film, process for the production thereof and magnetic recording medium therefrom |
| 10/08/1985 | CA1194687A1 Magnetic recording medium and method for the production thereof |
| 10/02/1985 | EP0156731A1 Apparatus for magnetically recording and/or reproducing audio and video signals |
| 10/02/1985 | EP0156625A2 Vertical magnetic recording medium and process for preparation thereof |
| 10/02/1985 | EP0156568A1 Cleaning apparatus for a video unit |
| 10/02/1985 | EP0156420A1 Recording and/or reproducing device |
| 10/02/1985 | EP0156220A1 Magnetic head |
| 10/02/1985 | EP0156065A1 Cleaning diskette for flexible disk drive transducers |
| 10/02/1985 | EP0155999A2 Temperature compensating mechanism for positioning of a magnetic head of a magnetic disk drive |
| 10/02/1985 | EP0155966A1 Process for producing biaxially oriented polyester film |
| 10/01/1985 | US4544974 Alumina glass composition and magnetic head incorporating same |
| 10/01/1985 | US4544973 Swing-arm arrangement for a magnetic disc storage apparatus |
| 10/01/1985 | US4544972 Swinging actuators for use in magnetic disc type memory devices |
| 10/01/1985 | US4544969 Servomechanism for disc player |
| 10/01/1985 | US4544968 Sector servo seek control |
| 10/01/1985 | US4544967 Automatic scan tracking servo system |
| 10/01/1985 | US4544966 Tracking control system using intermittently recorded pilot signals |
| 10/01/1985 | US4544964 Strobe for read/write chain |
| 10/01/1985 | US4544960 Electronic still camera |
| 10/01/1985 | US4544958 High-speed recording and reproducing of signals |
| 10/01/1985 | US4544602 Oxidation resistant |
| 10/01/1985 | US4544601 Backing of carbon black, surgace-treated hydrophobic calcium carbonate and binder; durability; |
| 10/01/1985 | US4544591 Perpendicular magnetic recording medium |
| 10/01/1985 | US4544574 Method of manufacturing a magnetic recording medium |
| 10/01/1985 | US4544463 Method for producing equiaxed iron or iron alloy particles |
| 10/01/1985 | US4544421 Multi-directional field annealing of a thin-film electromagnetic read/write head |
| 09/26/1985 | WO1985004278A1 Vertically magnetized magnetic head |
| 09/26/1985 | WO1985004277A1 Magnetic recording/reproducing apparatus |
| 09/25/1985 | EP0155817A2 Method of pre-recording tracking information on magnetic media |
| 09/25/1985 | EP0155756A2 Recording head slider assembly |
| 09/25/1985 | EP0155746A1 Arch flexure for winchester sliders |
| 09/25/1985 | EP0155664A2 Rotary head type PCM recording and reproduction method and system |
| 09/25/1985 | EP0155563A1 Rotary drum assembly |
| 09/25/1985 | EP0155532A1 Magnetic record carriers |
| 09/25/1985 | EP0155531A2 Process for producing cobalt containing isotrope magnetic iron oxides |
| 09/25/1985 | EP0155529A2 Method of magnetically recording video signals and an apparatus therefor |
| 09/25/1985 | EP0155519A2 Apparatus for recording flexible magnetic disks |
| 09/25/1985 | EP0155452A1 Large-diameter optical disk substrate made of polycarbonate, process for its production and mold therefore |
| 09/25/1985 | EP0155381A1 Scan tracking arrangement for videorecorders using piezoelectric elements |
| 09/25/1985 | EP0155294A1 Method of and apparatus for realising spatial sound effects. |
| 09/24/1985 | US4543621 Spiral track disk drive |
| 09/24/1985 | US4543301 Magnetic recording medium |
| 09/24/1985 | US4543275 Method of forming thin vapor deposited film of organic material |
| 09/24/1985 | US4543268 Electron-beam adhesion-promoting treatment of polyester film base for magnetic recording media |
| 09/24/1985 | US4543198 Ferrite magnetic material for magnetic recording and process for the preparation thereof |
| 09/24/1985 | CA1194224A1 Apparatus for reproducing video signals |
| 09/24/1985 | CA1194223A1 Apparatus for reproducing information from a track of a magnetic record carrier |
| 09/24/1985 | CA1194222A1 Method and apparatus of recording or reproducing stereophonic information in a magnetic record carrier, magnetic record carrier and amplifier circuit to be used in conjunction with an apparatus for carrying out the method |
| 09/24/1985 | CA1194220A1 Method for identifying a sound recording and duplicating installation using said method |
| 09/18/1985 | EP0155090A1 Stretched surface recording disk substrate |
| 09/18/1985 | EP0154903A1 Magnetic coating composition and magnetic recording medium |
| 09/18/1985 | EP0154827A1 Magnetic recording medium comprising an undercoating made of a mixture of thermosetting polyurethane and polyester resins |
| 09/18/1985 | EP0154738A1 Media heat curing method |
| 09/18/1985 | EP0154736A2 Divisible multiple-head magnetic recording array |
| 09/18/1985 | EP0154707A1 Magnetic recording media |
| 09/17/1985 | US4542431 Mode changing mechanism for cassette tape player |
| 09/17/1985 | US4542430 Tape recorder |
| 09/17/1985 | US4542429 Apparatus for reducing starting adhesion between a magnetic disc and flying head |
| 09/17/1985 | US4542428 Disk for measuring off-track quantity of magnetic head, and measuring apparatus using the disk |
| 09/17/1985 | US4542425 Apparatus for reading a record carrier |
| 09/17/1985 | US4542422 Electromagnetic transducer head assembly |
| 09/17/1985 | US4542421 Muting circuit in combination with a tape recorder |
| 09/17/1985 | US4542419 Method and apparatus for recording and reproducing an information signal comprising a video signal and audio signal |
| 09/17/1985 | US4542415 Tracking error detecting device for disc-type video signal recorder/reproducer |
| 09/17/1985 | US4542071 Lubricated magnetic recording disk |
| 09/17/1985 | US4542062 Magnetic recording medium |
| 09/17/1985 | CA1193736A1 Apparatus for error correction |
| 09/17/1985 | CA1193718A1 Playback apparatus for producing still images |
| 09/17/1985 | CA1193717A1 Method and apparatus for tracking control |
| 09/17/1985 | CA1193716A1 Method and apparatus for single frame recording on video tape |
| 09/17/1985 | CA1193479A1 Metal oxide patterns with planar surface |
| 09/12/1985 | WO1985003905A1 Heat-resistant film or sheet |
| 09/11/1985 | EP0154485A2 Video signal recording and/or reproducing apparatus having a function of carrying out assembled recordings |
| 09/11/1985 | EP0154313A2 Small portable cassette tape player |
| 09/11/1985 | EP0154307A2 Magnetic transducer head utilizing the magnetoresistance effect |
| 09/11/1985 | EP0154285A2 Process for producing ferromagnetic metal powder |
| 09/11/1985 | EP0154221A2 Video signal reproducing circuit for a video tape recorder |
| 09/11/1985 | EP0154202A1 Process for preparing supports for magnetic recording with a backside layer, and supports for magnetic recording thus prepared |
| 09/11/1985 | EP0154158A1 Process for manufacturing magnetic recording media |
| 09/11/1985 | EP0154120A1 Tape guide arrangement for helical scan magnetic recording and playback apparatus |
| 09/11/1985 | EP0154086A2 Data recovery circuit |
| 09/11/1985 | EP0154085A2 Head positioning apparatus for a magnetic disc device |
| 09/11/1985 | EP0154005A2 Twin track vertical read-write head structure |
| 09/11/1985 | EP0153949A1 Magnetic recording structure and process |
| 09/10/1985 | US4541028 Hand-held transducing device for insertable records |
| 09/10/1985 | US4541026 Hybrid read-write head for perpendicular recording media |
| 09/10/1985 | US4541021 Electronic still camera |
| 09/10/1985 | US4541020 Data recording/reproducing apparatus |
| 09/10/1985 | US4541019 Recording system for recording data on tape in a disk-recording format |