| Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826) |
|---|
| 12/20/1989 | EP0346453A1 Magnetic head with constant area wear profile. |
| 12/20/1989 | EP0346439A1 Low drag stabilizer device for stabilizing the interface between a transducer and a moving medium. |
| 12/19/1989 | US4888658 Magnetic head for magnetic recording and reproducing unit |
| 12/19/1989 | US4888657 Contoured head assembly for use in a cassette loaded recorder |
| 12/19/1989 | US4888656 Pivot mechanism for rotary disc drives |
| 12/19/1989 | US4888654 Method of writing and reading digital data interspersed with analog audio frequency data on magnetic recording tape |
| 12/19/1989 | US4888653 High speed video tape duplicator |
| 12/19/1989 | US4888212 Grinding for surface smoothness |
| 12/19/1989 | US4888211 Process for preparation of vertical magnetic recording medium |
| 12/19/1989 | EP0214175A4 Vertical magnetic recording arrangement. |
| 12/14/1989 | WO1989012295A1 Magnetic tape as information carrier |
| 12/14/1989 | WO1989012294A1 Thin-film magnetic with high secondary track attenuation |
| 12/14/1989 | EP0302893A4 Wipers for pair of stabilized magnetic disks. |
| 12/14/1989 | DE3918724A1 Magnetic recording medium |
| 12/14/1989 | DE3917502A1 Process for preparing microcrystalline barium ferrite platelets |
| 12/14/1989 | DE3818393A1 Duennfilm-magnetkopf mit hoher nebenspurdaempfung Duennfilm-magnetic head with high nebenspurdaempfung |
| 12/13/1989 | EP0346123A2 Plate-like composite ferrite particles for magnetic recording and process for producing the same |
| 12/13/1989 | EP0346074A2 Mass of fine particles of inorganic material and method of producing the same, ultrathin film of the inorganic fine particles and method of making the same, magnetic recording medium and method of providing the same method of manufacturing patterns of inorganic material, and method of manufacturing wirings of inorganic material |
| 12/13/1989 | EP0346063A2 Magneto-optical information recording method and apparatus |
| 12/13/1989 | EP0345877A1 Magneto-optical recorder with a modulated magnetic field |
| 12/13/1989 | EP0345697A2 Magnetic recording medium |
| 12/13/1989 | EP0345644A2 Polyester film for magnetic recording media |
| 12/13/1989 | EP0240529B1 Compositions of particulate magnetic oxides with a structure of the lacunar spinel type, preparation and application thereof |
| 12/13/1989 | EP0222820B1 Flux sensitive tracking |
| 12/13/1989 | CN1006107B Magnetic thin film and magnetic head useing this magnetic thin film |
| 12/13/1989 | CN1006098B Video / tape / recorder |
| 12/13/1989 | CN1006097B Magnetic disc reproducing apparatus |
| 12/12/1989 | US4887179 Substrate for rigid disk storage media and method and apparatus for making the same |
| 12/12/1989 | US4887178 Aligned stretched surface recording medium |
| 12/12/1989 | US4887177 Magnetic head having an electro-chemically inert gap of hard material |
| 12/12/1989 | US4887176 Double-sided magnetic recording device supporting two transducers in fixed relation |
| 12/12/1989 | US4887173 Storage apparatus including head drive control |
| 12/12/1989 | US4887170 Magnetic recording/reproducing apparatus for magnetically reproducing signals from one tape and recording the signals onto a second tape |
| 12/12/1989 | US4886714 Platelike magnetic powder and a recording medium which uses the platelike magnetic powder |
| 12/12/1989 | US4886703 Binder is a vinyl chloride copolymer containing a nitrogen compound |
| 12/07/1989 | DE3917576A1 Magnetic recording/replaying device |
| 12/06/1989 | EP0345107A1 Multilayer protective coating for a substrate, process for protecting a substrate by the plasma deposition of such a coating, coatings obtained and their uses |
| 12/06/1989 | EP0345085A2 Magnetic recording medium and process for the production thereof |
| 12/06/1989 | EP0345037A2 A digital signal recording apparatus |
| 12/06/1989 | EP0344958A1 Head driving circuit |
| 12/06/1989 | EP0344759A2 High track density media with optical servo tracks and method and apparatus for inscribing the tracks on the media |
| 12/06/1989 | EP0344754A2 Video tape recorder |
| 12/06/1989 | EP0344626A1 System for reproducing video records from a magnetic video tape recorder |
| 12/06/1989 | EP0344366A1 Magnetic head-support assembly and access mechanism for a disk drive |
| 12/06/1989 | EP0344278A1 Laminated poles for recording heads. |
| 12/06/1989 | CN2049011U Multifunctional bedside radio-recorder |
| 12/05/1989 | US4885650 Magnetic head having boron carbide surfaces |
| 12/05/1989 | US4885649 Thin film head having a magneto-restrictive read element |
| 12/05/1989 | US4885646 Digital recorder using partial response method |
| 12/05/1989 | US4885645 Write compensator for magnetic disk apparatus |
| 12/05/1989 | US4885516 Techniques for disk servo track following |
| 12/05/1989 | US4885208 Containing polar aromatic compound |
| 12/05/1989 | US4885189 Method of producing magnetic recording media |
| 12/05/1989 | US4884623 Method for producing a gap spacer for magnetic heads |
| 12/05/1989 | CA1263781A1 Coating composition containing polymeric surfactant |
| 12/05/1989 | CA1263746A1 Apparatus for recording and/or reproducing digital signal |
| 11/30/1989 | WO1989011641A1 Process and device for non-intrusively, continuously and automatically taking, storing and supplying analysis samples and data for future evaluation |
| 11/30/1989 | DE3916379A1 Magnetic recording and reproducing apparatus |
| 11/30/1989 | DE3916157A1 Automatic control circuit for the drum phase of a digitial audio tape apparatus |
| 11/29/1989 | EP0343930A2 Data signal processing apparatus |
| 11/29/1989 | EP0343726A1 Apparatus for recording or reproducing an electric signal |
| 11/29/1989 | EP0343576A2 Binders for magnetic recording media and magnetic recording media |
| 11/29/1989 | EP0343422A2 Process for making a record carrier |
| 11/29/1989 | EP0343332A1 Magnetic disc driving apparatus |
| 11/29/1989 | EP0303670A4 Hard disk drive module and receptacle therefor. |
| 11/29/1989 | CN2048613U Multi-functional computer language machine |
| 11/29/1989 | CN1037609A Information carrying device |
| 11/29/1989 | CN1037483A Resin laminates and process for production thereof |
| 11/29/1989 | CN1005941B Magnetic multilayer structure |
| 11/28/1989 | US4884261 Storage media transducer loading/unloading and carriage lock mechanism |
| 11/28/1989 | US4884157 Thin film magnetic head with coil windings receiving trench |
| 11/28/1989 | US4884156 Magnetic head having a thin-film and a coil |
| 11/28/1989 | US4884155 Self-loading head assembly for disk drives |
| 11/28/1989 | US4884154 Flanged transducer supporting arm for a magnetic head/arm assembly |
| 11/28/1989 | US4884152 Method for restoring track 0 |
| 11/28/1989 | US4883711 Nonmagnetic intermediate layer magnetic multilayer element |
| 11/28/1989 | CA1263435A1 Magnetic material having high permeability in the high frequency range |
| 11/23/1989 | EP0342966A2 Magnetic disc |
| 11/23/1989 | EP0342625A2 Head suspension mechanism for a recording apparatus |
| 11/23/1989 | EP0342624A2 Magneto-optical data recording system |
| 11/23/1989 | EP0342227A1 Laminated sendust metal-in-gap video head. |
| 11/23/1989 | DE3915167A1 Reinigungseinrichtung fuer bandgeraete Cleaning device for tape devices |
| 11/23/1989 | DE3816097A1 Head drum for a recorder |
| 11/21/1989 | US4882783 Pre-recorded magnetic video tape having an information code on the synchronization track |
| 11/21/1989 | US4882644 Magnetic head supporting mechanism |
| 11/21/1989 | US4882639 Changeover writing circuit for magnetic disk apparatus operable at plural densities |
| 11/21/1989 | US4882637 Copying apparatus for copying a magnetic pattern from a master magnetic tape on a duplicate magnetic tape and method of operating such a copying apparatus |
| 11/21/1989 | US4882636 High speed contact printing process for prerecorded magnetic tape |
| 11/21/1989 | US4882635 Rotating drum device for a VCR in which the position of the magnetic head is controlled by a magnetic positioning device |
| 11/21/1989 | US4882559 Permanent magnet type demagnetizing head |
| 11/21/1989 | US4882236 Rigid magnetic recording disks and method of producing same |
| 11/21/1989 | US4882225 Polysiloxane or silicon coating |
| 11/21/1989 | US4882197 Method for depositing a lubricant layer to manufacture a magnetic recording medium |
| 11/21/1989 | CA1263182A1 Magnetic head supporting device |
| 11/16/1989 | WO1989011148A2 Tape drive machines |
| 11/16/1989 | DE3814878A1 Process for producing at least one thin-film magnetic head |
| 11/15/1989 | EP0342130A2 Servo amplifier circuit |
| 11/15/1989 | EP0341852A2 High efficiency disk format and synchronization system |
| 11/15/1989 | EP0341843A2 A process of forming a conductor pattern |
| 11/15/1989 | EP0341794A2 Method and apparatus for reproduction of magnetic tape by using rotary drum heads |