| 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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| 07/12/1990 | DE3900120A1 Car radio RF-components or LW, MW, SW, VHF mounted on individual cassettes |
| 07/10/1990 | US4940275 Apparatus for scanning recording media with an automatic medium-change mechanism and structure for mounting same on a vehicle |
| 07/04/1990 | CN1008669B Storage device with movable information carrier |
| 07/03/1990 | US4939715 Tape scanning apparatus |
| 07/03/1990 | CA1271177A1 Tape draw-out mechanism |
| 06/27/1990 | EP0375358A2 Helical scan tape record apparatus and method |
| 06/27/1990 | EP0375182A2 Optical disk insertion apparatus |
| 06/27/1990 | EP0374899A2 Magnetic tape cassette loading system in recording and/or reproducing apparatus |
| 06/27/1990 | EP0374163A1 Magnetic recorder/player device with stationary recording medium |
| 06/27/1990 | EP0197159B1 Optical disc player |
| 06/27/1990 | EP0176602B1 Optical disc player |
| 06/26/1990 | US4937691 Recording and/or reproducing apparatus for controlling thermal expansion problems in disk drives |
| 06/26/1990 | US4937684 Information recording-reproducing apparatus |
| 06/26/1990 | US4937438 Magnetic encoding apparatus and method |
| 06/22/1990 | CA2005672A1 Helical scan tape record apparatus and method |
| 06/19/1990 | US4935916 Apparatus for recording and reproducing information including energy storing means |
| 06/19/1990 | US4935829 Tape recorder with mode changing motor mounted on cassette holder |
| 06/19/1990 | US4935811 Surface defect inspection apparatus with microscope |
| 06/14/1990 | WO1990006580A1 Electro-mechanical data store |
| 06/13/1990 | EP0373138A1 A drying device for recorder/player units |
| 06/13/1990 | EP0372684A2 Data storage apparatus |
| 06/13/1990 | CN1008407B Optical stores apparatus |
| 06/12/1990 | US4933927 Disk centering method and apparatus for centering disks for disk drives |
| 06/12/1990 | US4933785 Disk drive apparatus using dynamic loading/unloading |
| 06/06/1990 | EP0371273A2 Battery-powered device, with easy attachment to the user's body, for the reproduction of electroacoustic signals |
| 06/05/1990 | US4932019 Disk player having a vibration dissipating device |
| 06/05/1990 | US4931890 Tape player assembly having a capstan mounted on a pivotal plate |
| 06/05/1990 | US4931338 Test disk having fluorocarbon resin asperities for magnetic disk drive component testing |
| 05/31/1990 | WO1990005982A1 Method and apparatus for improved thermal isolation and stability of disk drives |
| 05/31/1990 | WO1990005974A1 High density disc drive with magnetic clutch and a removable cartridge |
| 05/31/1990 | WO1990005961A1 Magnetic encoding apparatus and method |
| 05/29/1990 | US4930033 Tape cleaner and degausser apparatus |
| 05/29/1990 | US4930029 Magnetic disk apparatus |
| 05/29/1990 | US4930028 Tape recorder |
| 05/23/1990 | EP0369684A2 Magnetic recording and/or reproducing apparatus |
| 05/23/1990 | CN1042442A Cassette holder device for tape recorder |
| 05/23/1990 | CA2003897A1 Magnetic encoding apparatus and method |
| 05/22/1990 | US4928029 In-spindle motor assembly for disk drive and method for fabricating |
| 05/17/1990 | DE3838653A1 Conical store of glass for purely magnetic, magnetic-optical or structural-optical data storage and reproduction and process for producing the same |
| 05/16/1990 | EP0368416A1 System for recording and/or reading signals on/from information carriers in cassettes |
| 05/16/1990 | CN1042261A Simplified acoustic playback apparatus |
| 05/15/1990 | US4926277 Structure improvement of cleaner tape cartridge for video tape recorder/player |
| 05/15/1990 | US4926082 Superconductor devices for disk drives |
| 05/14/1990 | CA2000477A1 High density disk drive with magnetic clutch and a removable cartridge |
| 05/09/1990 | EP0367510A2 Apparatus and method for near contact magnetic recording |
| 05/09/1990 | EP0367454A2 Cassette holder device for tape recorder |
| 05/09/1990 | EP0367190A2 A cassette holding apparatus for a cassette tape player |
| 05/08/1990 | US4923406 Spindle motor flex cable |
| 05/02/1990 | EP0366118A2 Tape recorder with disc player |
| 05/01/1990 | US4922406 Labyrinth seal in disk storage drive |
| 05/01/1990 | US4922351 Optical information recording and reproducing apparatus |
| 04/25/1990 | EP0364998A2 Recording-reproducing apparatus for the gapless recording and/or reproducing of messages |
| 04/25/1990 | CA2001525A1 Tape recorder with disc player |
| 04/24/1990 | US4919357 Ship-shaped video-tape rewinder |
| 04/19/1990 | DE3835261A1 Portable audio and/or video unit |
| 04/18/1990 | EP0363419A1 Latch mechanism for disk drives. |
| 04/18/1990 | CN2056273U Dual floppy driver |
| 04/18/1990 | CN1041471A Connectorless hermetic optical disk system |
| 04/17/1990 | US4918559 Shutter assembly for a disk cartridge |
| 04/17/1990 | US4918550 Mis-insertion apparatus for a tape transport capable of receiving cassettes of varying sizes for play |
| 04/17/1990 | CA1267974A1 Optical information recording and reproducing apparatus |
| 04/11/1990 | EP0362285A1 Disk drive architecture. |
| 04/10/1990 | US4916687 Apparatus for mounting and rotating an optical card for recording and/or reproducing information |
| 04/10/1990 | US4916684 Head drive arrangement for a data reproducing apparatus |
| 04/05/1990 | WO1990003642A1 Connectorless hermetic optical disk system |
| 04/04/1990 | EP0361783A2 Disk file with symmetric housing |
| 03/28/1990 | EP0362285A4 Disk drive architecture. |
| 03/28/1990 | EP0360123A2 Super-large capacity data storage drive |
| 03/28/1990 | CN1040881A 磁带录音机 Tape recorder |
| 03/27/1990 | US4912580 Information storage system with readily removable high capacity disk drive unit |
| 03/27/1990 | US4912312 Optical card duplicating system |
| 03/22/1990 | WO1990003031A1 Recording/reproducing apparatus |
| 03/21/1990 | EP0359364A2 A rigid transparent disk for testing sliders and a method of forming the same |
| 03/13/1990 | CA1266719A1 Precision spindle |
| 03/08/1990 | DE3927661A1 Reduction of cylinder size in digital audio tape equipment - using upper and lower drum of reduced dia. with heads mounted on reduced dia. cylinder |
| 03/07/1990 | EP0357171A2 Optical disc player and method for its manufacture |
| 03/07/1990 | EP0356985A2 Recording-reproduction system having movable reel chassis |
| 03/07/1990 | EP0356984A2 Disc player |
| 03/07/1990 | EP0356977A2 Rotating disc device |
| 03/06/1990 | US4907098 Information recording-reproducing apparatus |
| 02/28/1990 | EP0356184A2 Tape-loading mechanism for a magnetic recording/reproducing apparatus for selective use of tape cassettes of two different sizes |
| 02/28/1990 | EP0355309A2 Battery operated apparatus for reproducing electro-acoustical signals, easily attachable to the body of a user |
| 02/28/1990 | EP0355282A1 Magnetic cassette player for recording and reproducing pictures and sound |
| 02/27/1990 | US4905114 Disk drive compatible tape cartridge with device for positioning the tape relative to the disk drive |
| 02/27/1990 | US4905110 Disk drive spindle motor |
| 02/22/1990 | WO1990001771A1 Double-sided magnetic recording device supporting two transducers in fixed relation |
| 02/20/1990 | US4903149 Tape cassette loading system for a magnetic recording and reproducing apparatus |
| 02/14/1990 | EP0354834A2 Surface defect inspection apparatus |
| 02/14/1990 | EP0354783A2 Magnetic recording/reproducing apparatus for selective use with tape cassettes of two different sizes |
| 02/14/1990 | EP0354679A2 Method and apparatus for assembling disk drive units |
| 02/14/1990 | CN1039673A Cassette loading mechanism |
| 02/13/1990 | US4900908 Card accessing apparatus having a head disposed under a card feeding stage |
| 02/06/1990 | US4899237 Divided housing for supporting magnetic disks |
| 01/30/1990 | US4897744 Apparatus for selectively loading small or large tape cassettes |
| 01/25/1990 | WO1990000800A1 Device for making time-independent a tape recording device and a tape reading device |
| 01/23/1990 | US4896237 Magnetic tape cartridge compatible with disk drive and tape drive mechanism therefor |
| 01/23/1990 | US4896231 Backbone gasket for disc drives |
| 01/16/1990 | US4894739 Disc recording and/or reproducing apparatus |
| 01/16/1990 | US4894738 Disk storage drive |
| 01/16/1990 | US4894735 Disk drive housing structure |