| 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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| 11/26/1987 | DE3617483A1 Magnetic-disc cassette with integrated magnetic-tape reels for recording and reproducing electromagnetic signals, in particular for EDP installations |
| 11/25/1987 | EP0246756A1 Apparatus for communicating air between the interior and exterior of a sealed disk drive |
| 11/24/1987 | US4709285 Head assemblies mounted for optimum contact with a flexible magnetic disk |
| 11/17/1987 | CA1229409A1 Flexible disk drive optimized for automated manufacture |
| 11/12/1987 | DE3615389A1 Greeting card or the like with an integrated sound carrier on which a personalised recorded message can be left |
| 11/10/1987 | US4706141 Video tape recorder with first and second loading positions |
| 11/04/1987 | EP0243973A2 Compact disk drive |
| 11/03/1987 | US4704651 Cassette tape deck operating mechanism |
| 10/29/1987 | DE3713321A1 Computer-plattenlaufwerksystem Computer disk drive system |
| 10/27/1987 | US4703379 Hard disk drive with erasing apparatus |
| 10/27/1987 | US4703372 Portable electrocardiographic recorder |
| 10/20/1987 | US4701896 Interactive plural head laser disc system |
| 10/20/1987 | US4701601 Transaction card with magnetic stripe emulator |
| 10/13/1987 | US4700246 Disk drive with isolated voice coil motor magnet |
| 10/07/1987 | CN87101768A Optical stores apparatus |
| 09/29/1987 | US4697215 Tape draw-out mechanism |
| 09/15/1987 | US4694446 Simplified sound reproducing device of random selecting type |
| 09/15/1987 | US4694444 Record disc replacing means |
| 09/15/1987 | US4694365 Recording medium for recording and/or reproducing apparatus |
| 09/09/1987 | CN87101889A Optical storage |
| 09/08/1987 | US4692828 Magnetic disk drive capable of mechanical connection to a data processing instrument without deformation |
| 09/08/1987 | US4692825 One-way clutch assembly with pawl and ratchet |
| 09/02/1987 | EP0234654A1 Apparatus for establishing data transfer by means of a portable electronic card |
| 08/19/1987 | EP0232916A2 Disc drive assembly |
| 08/19/1987 | EP0232620A2 Magnetic tape cartridges |
| 08/18/1987 | US4688131 Information processing apparatus having locking means permitting ready detachment of the magnetic disk drive assembly |
| 08/18/1987 | US4688121 Cassette adaptor for 8-track cartridge tape player |
| 08/13/1987 | WO1987004844A1 Optical memorizing device |
| 08/13/1987 | WO1987004840A1 Optical memorization device |
| 08/12/1987 | EP0232115A2 Device for reading and writing magnetic and/or IC card as external memory |
| 08/11/1987 | US4686592 Disk drive assembly |
| 08/05/1987 | EP0230610A1 Cassette tape recording and/or reproducing apparatus |
| 07/29/1987 | EP0230069A1 Card and Device for the transfer of data between the card and a data processing unit |
| 07/29/1987 | EP0229996A2 System for recording, storing and reading information signals on a record medium |
| 07/28/1987 | US4683506 Disc drive arrangement for a hard disc cartridge with a read/write head retract mechanism |
| 07/28/1987 | US4683505 Alternately centered disk pack assembly and method |
| 07/15/1987 | EP0228904A2 Magnetic tape cartridges |
| 07/15/1987 | EP0228903A2 Magnetic heads |
| 07/15/1987 | EP0228738A1 Disc player |
| 07/14/1987 | US4680656 Plural-disk rotatable disk memory with air circulation system |
| 07/08/1987 | EP0228286A2 Magnetic tape cartridges |
| 07/07/1987 | US4679100 Rotary head type magnetic recording and reproducing device |
| 06/30/1987 | US4676672 Precision spindle |
| 06/30/1987 | CA1223660A1 Battery holder of cassette tape player |
| 06/24/1987 | CN86108820A Rotary brake rigging and its making method |
| 06/19/1987 | DE3643125A1 Loading base with integrated components |
| 06/17/1987 | CN86107146A Supporting magnetic head device for magnetic tape recording |
| 06/09/1987 | US4672487 Magnetic disk memory having a disk pack hub seated at both sides of a disk pack |
| 06/09/1987 | US4672485 Separately pivoted hook arm arrangement for a cassette loading and unloading device |
| 06/04/1987 | DE3542542A1 Disc drive |
| 05/27/1987 | EP0222939A1 Disk file with in-hub motor |
| 05/27/1987 | DE3541681A1 Method and device for the electronic recording of texts |
| 05/27/1987 | CN86107532A Information recording and/or reproducing apparatus |
| 05/26/1987 | US4669008 Disk support device |
| 05/26/1987 | US4669007 Magnetic recording/reproducing apparatus |
| 05/20/1987 | EP0222139A2 Sealed actuator assembly |
| 05/19/1987 | US4667258 Disk drive with multiple head cartridge |
| 05/12/1987 | US4665453 Floppy disc recording and/or reproducing apparatus |
| 05/12/1987 | US4664337 Cassette tape recording and/or reproducing apparatus accommodating cassettes of different sizes |
| 05/07/1987 | DE3538829A1 Portable device for recording and storing dictated texts |
| 05/06/1987 | EP0220812A2 High capacity disc drive |
| 04/29/1987 | EP0219950A2 Magnetic tape cartridges |
| 04/28/1987 | US4661865 Battery holder of single head minimum size cassette tape player |
| 04/28/1987 | US4661735 Arrangement for mounting a plurality of motors |
| 04/22/1987 | EP0218851A2 A disk enclosure |
| 04/21/1987 | US4660110 Magnetic disk storage device with shroud enclosing disk assembly |
| 04/21/1987 | US4658944 Disc clutch mechanism for a magnetic disc apparatus of cartridge type |
| 04/14/1987 | US4658312 Disk storage drive |
| 04/14/1987 | US4657570 Air filter device |
| 04/08/1987 | CN85107244A Power-supply control device for magnetic disc drive |
| 04/07/1987 | US4656617 Start-control method and circuit for optical disc play-back system |
| 04/07/1987 | US4656545 Magnetic disc memory device |
| 04/01/1987 | EP0216442A2 Disk drive apparatus |
| 04/01/1987 | EP0056798B1 Information recording apparatus with a disc loaded in a cassette |
| 04/01/1987 | CN86106358A Disk drive apparatus |
| 04/01/1987 | CN86104932A Record disc replacing means for a selective playing type sound reproducing device |
| 03/31/1987 | US4654728 Portable message device with a hook shaped attaching means |
| 03/31/1987 | CA1219952A1 Optical disk player |
| 03/25/1987 | EP0215712A1 Reading and writing apparatus for identification cards |
| 03/25/1987 | EP0215608A2 Cassette tape recorders |
| 03/18/1987 | EP0214820A2 Magnetic tape cartridges |
| 03/18/1987 | CN86103484A Magnetic tape recording and/or reproducing apparatus with rotary head assembly |
| 03/17/1987 | US4651312 Portable tape player with radio in lid |
| 03/11/1987 | EP0214041A2 Cassette type recording and/or reproducing apparatus |
| 03/10/1987 | US4649453 Cassette tape player having sealing means |
| 03/10/1987 | US4649444 Disk support device having deformation limiting member |
| 03/03/1987 | US4647994 Miniaturized cartridge-type tape drive for data processors |
| 02/24/1987 | US4646181 Magnetic head retaining device |
| 02/19/1987 | DE3528121A1 Sliding bearing for precision running |
| 02/17/1987 | US4644515 Interactive multi-user laser disc system |
| 02/17/1987 | US4644436 Apparatus for determining the type and remaining capacity of a tape |
| 02/10/1987 | US4642715 Environmental conditioning and safety system for disk-type mass memories |
| 02/10/1987 | US4642710 Animated display controlled by an audio device |
| 02/03/1987 | US4641298 Auto loading disc player |
| 02/03/1987 | US4641209 Disc type information storage and retrieval system |
| 02/03/1987 | CA1217561A1 Method and apparatus for suppressing the evaporation of lubricant film coated on magnetic disks of disk storage |
| 02/03/1987 | CA1217560A1 Cassette tape players |
| 01/27/1987 | US4639863 Modular unitary disk file subsystem |
| 01/27/1987 | CA1217271A1 Media spindle clamp for disk drives utilizing removeable recording media |
| 01/22/1987 | DE3624027A1 Magnetic recording and reproducing apparatus |