| Patents for G11B 25 - Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing (7,037) |
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| 01/16/1990 | US4894728 Data acquisition and recording system |
| 01/09/1990 | US4892423 Rotary actuator and fabrication process therefor |
| 01/03/1990 | CN2050653U Support mechanism of tape disk frame of tape drive set |
| 01/03/1990 | CN1038535A Magnetic recording reproducing device |
| 01/02/1990 | US4891727 Memory device |
| 01/02/1990 | US4891726 Rotary magnetic head and guide drum assembly with reduce mounting height |
| 12/28/1989 | WO1989011148A3 Tape drive machines |
| 12/27/1989 | EP0348242A2 Cassette loading mechanism |
| 12/27/1989 | EP0348165A2 Disc recording and/or reproducing apparatus |
| 12/26/1989 | US4890179 Magnetic tape backup device for use with a floppy disk drive |
| 12/26/1989 | US4890174 Rotary voice coil micro-hard disk drive system |
| 12/20/1989 | EP0347076A2 Aligned stretched surface recording medium |
| 12/19/1989 | US4888659 Tape cartridge for use in disc drive |
| 12/19/1989 | US4888655 Air filtration system for disc drives |
| 12/14/1989 | EP0302893A4 Wipers for pair of stabilized magnetic disks. |
| 12/12/1989 | US4887178 Aligned stretched surface recording medium |
| 12/12/1989 | US4887176 Double-sided magnetic recording device supporting two transducers in fixed relation |
| 11/29/1989 | EP0343982A2 Apparatus for recording and/or reproducing information |
| 11/29/1989 | EP0303670A4 Hard disk drive module and receptacle therefor. |
| 11/23/1989 | EP0342968A2 Method for recording and reproducing information, apparatus therefor and recording medium |
| 11/23/1989 | EP0342619A2 Magnetic recording and reproducing apparatus |
| 11/21/1989 | US4882511 Brushless three-phase D.C. motor |
| 11/16/1989 | WO1989011148A2 Tape drive machines |
| 11/15/1989 | EP0341957A2 Vibration absorbing structure of a disc apparatus |
| 11/14/1989 | US4881140 Integrated disc drive and actuators support |
| 11/08/1989 | EP0340294A1 Multi-cassette indexing mechanism for a tape transport |
| 11/07/1989 | US4879607 Magnetic card reader device |
| 11/07/1989 | CA1262774A1 Disc player |
| 11/02/1989 | EP0339765A2 Disk drive spindle motor |
| 11/02/1989 | DE3813155A1 Man-controlled advertising-text/-music message |
| 11/01/1989 | CN1036853A Linear read write device and magnetic disk apparatus |
| 10/12/1989 | DE3810438A1 Cylinder store for magnetic-optical or optical data storage and reproduction |
| 10/10/1989 | US4873593 Multi-cassette indexing mechanism for a tape transport |
| 10/10/1989 | US4873592 Pinch roller drive engagement mechanism for a communications monitor and logger |
| 10/05/1989 | WO1989009470A1 Portable record reproducer |
| 10/04/1989 | EP0335271A2 Cassette loading device for recording and/or reproducing apparatus |
| 10/03/1989 | US4871903 Apparatus for rapidly accessing a large data base employing an optical disc reading system with multiple heads and track position compensation means |
| 09/27/1989 | EP0334257A2 Automatic video cassette changer |
| 09/26/1989 | US4870518 Removable cartridge disc drive with radial arm voice coil actuator |
| 09/26/1989 | US4870516 Portable dictating machine |
| 09/20/1989 | EP0333128A2 Linear access mechanism and magnetic disk apparatus |
| 09/19/1989 | US4868373 Memory card comprising an optical memory disc and microelectronic memory component, and apparatus for transferring information to and from such card |
| 09/19/1989 | CA1259699A1 Optical memory card reader |
| 09/13/1989 | EP0332395A2 Ultra-compact recorder |
| 09/13/1989 | EP0332171A2 Disc player |
| 09/12/1989 | US4866550 Magnetic recording and reproducing apparatus with selective loading of different sized magnetic tapes |
| 09/12/1989 | CA1259406A1 Disc drive system having a plurality of large sized rigid magnetic discs driven by a directly coupled dc brushless motor |
| 09/08/1989 | WO1989008313A1 Disk drive apparatus |
| 09/08/1989 | WO1989008306A1 Removable cartridge disc drive with radial arm voice coil actuator |
| 09/06/1989 | EP0330731A2 Front loading disk player |
| 09/05/1989 | US4864449 Cassette for tape recording and/or reproducing apparatus accommodating cassettes of different sizes |
| 09/05/1989 | US4862584 Disk drive assembly station |
| 08/29/1989 | US4862301 Double cassette tape player |
| 08/23/1989 | EP0328556A1 Spherical pivoting actuator for read/record head |
| 08/22/1989 | US4860194 A method for using a modular unitary disk file subsystem |
| 08/22/1989 | US4860128 Recordable data device having identification symbols formed thereon and cooperating data processing system having registering symbols |
| 08/15/1989 | US4858047 Fine head positioning system for a tape backup drive |
| 08/15/1989 | US4857087 Disk file employing dual filters |
| 08/09/1989 | CN1034629A Holding mechanism of magnetic tape disc for magnetit tape driving device |
| 08/08/1989 | US4855849 Disk drive motor mount |
| 08/02/1989 | EP0325838A2 Optical data storage drum, drive, and method |
| 08/01/1989 | US4853805 Multi-cassette indexing mechanism for a tape transport |
| 07/25/1989 | US4851929 Recorder/player device with stationary recording medium and constant speed signal head drive |
| 07/19/1989 | CN2041447U 磁带录音机 Tape recorder |
| 07/19/1989 | CN1034084A Rotary magnetic head device |
| 07/18/1989 | US4849839 Magnetic tape recording and/or reproducing apparatus rotary head assembly having sweeping device |
| 07/18/1989 | US4848699 Car-shaped video tape rewinder |
| 07/13/1989 | DE3742828A1 Method of inserting and fastening exactly in position bearing and guiding parts in a chassis of an apparatus |
| 07/11/1989 | CA1257387A1 Miniaturized tape cartridge drive and data processors |
| 07/04/1989 | US4845581 Disc housing clamping method |
| 07/04/1989 | US4844377 Mounted on a magnetic recording/reproducing apparatus |
| 06/28/1989 | CN1004660B Optical storage |
| 06/27/1989 | US4843504 Superconductor devices useful for disk drives and the like |
| 06/27/1989 | US4843500 Disk storage drive |
| 06/27/1989 | US4843498 Dictating machine arranged like a telephone handset |
| 06/14/1989 | EP0319530A1 Magnetic or other recording device with one or more rotating engraving heads. |
| 06/13/1989 | US4839759 Tape bed and mode-changing mechanism arrangement for thin cassette type recorder |
| 06/13/1989 | US4839754 Winchester disk drive motor circuitry |
| 06/13/1989 | US4839508 Card reader |
| 06/07/1989 | EP0319247A2 Double-sided disk player |
| 06/07/1989 | CN2039051U Universal diskette controller |
| 06/06/1989 | US4836465 Magnetic tape transport system |
| 05/31/1989 | EP0317686A1 Data processing system using magnetic information carriers |
| 05/30/1989 | US4835637 Disk file with in-hub motor |
| 05/24/1989 | DE3835210A1 Locking mechanism for the cover panel of a disc player |
| 05/23/1989 | US4833667 Spindle motor assembly for low acoustic noise environments |
| 05/23/1989 | US4833666 Disc-record player suitable for scanning disc of different types |
| 05/23/1989 | US4833554 Hard disk drive module and receptacle therefor |
| 05/23/1989 | US4833310 Device for reading and writing magnetic and/or IC card as external memory |
| 05/18/1989 | WO1989004539A1 Multi-cassette indexing mechanism for a tape transport |
| 05/17/1989 | EP0316156A2 Tape cassette loading system |
| 05/16/1989 | US4831660 Mode change mechanism for tape recorders |
| 05/16/1989 | US4831614 Direct access storage unit using tunneling current techniques |
| 05/16/1989 | US4831612 Optical disc reading apparatus |
| 05/16/1989 | US4831475 Magnetic disc device including device for controlling humidity in a disc enclosure |
| 05/16/1989 | US4831473 Dust door mechanism in tape player |
| 05/16/1989 | US4829657 In-spindle motor assembly for disk drive and method for fabricating the same |
| 05/09/1989 | US4829503 Optical memory |
| 05/02/1989 | US4827363 Cassette tape recorder |
| 04/25/1989 | US4825316 Thermal deformation controlled enclosure for a disk drive system |