| Patents for G11B 23 - Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus (25,121) |
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| 06/05/1984 | CA1168642A1 Miniature type tape cassette |
| 05/30/1984 | EP0109682A2 Recording tape cassette |
| 05/30/1984 | EP0109668A2 Door slide mechanism for a disk cartridge |
| 05/30/1984 | EP0109488A1 Mini-cassette |
| 05/30/1984 | EP0109392A1 Restraining and sealing mechanism for disc cartridge |
| 05/29/1984 | US4451912 Record extraction mechanism for disc player |
| 05/29/1984 | US4451864 Magnetic-tape cassette |
| 05/29/1984 | US4451836 Optical disc write/read apparatus |
| 05/29/1984 | CA1168358A1 Optical disk cassette |
| 05/29/1984 | CA1168357A1 Single reel tape cartridge with leader block door seal |
| 05/24/1984 | WO1984002029A1 Container |
| 05/23/1984 | EP0109092A1 Container |
| 05/23/1984 | EP0108750A1 Head access door, opening mechanism and method of sealing |
| 05/22/1984 | US4449677 Tape cassette |
| 05/22/1984 | US4449676 Tape cassette having a reel displacement limiting mechanism |
| 05/16/1984 | EP0108579A2 Magnetic disk cartridge |
| 05/16/1984 | EP0108258A1 A master disk for optical disk manufacture, and a method and the system for manufacturing the same |
| 05/15/1984 | US4448362 Method of and apparatus for the tape loading and use of a single turntable in the rendition of a taped program |
| 05/09/1984 | EP0107913A1 Radiation-sensitive carrier body utilized as stamper structure |
| 05/08/1984 | US4447899 Optical disc method, media and apparatus for writing and/or reading information |
| 05/08/1984 | US4447218 Method and apparatus for the automatic folding of floppy disc storage envelopes |
| 05/08/1984 | US4447021 Tape cartridge of cassette system |
| 05/08/1984 | US4447020 Magnetic recording tape cartridge |
| 05/08/1984 | US4447019 Magnetic tape cartridge with resilient belt driving means and separate tape and belt idlers |
| 05/02/1984 | EP0107421A1 Stretched surface recording disk and method of manufacture |
| 05/01/1984 | US4446549 Alkanedioldiacrylate lacquer information track |
| 05/01/1984 | US4446492 Information recording system |
| 05/01/1984 | US4446205 Magnetic recording tape having a leader tape |
| 05/01/1984 | US4446193 Diazoketone endcapped polymer |
| 05/01/1984 | US4445651 Tape cassette |
| 05/01/1984 | US4445650 High speed bidirectional magnetic tape transport with constant tension |
| 05/01/1984 | US4445634 Blank sheet of packaging case for video tape cassette |
| 05/01/1984 | US4445612 Self-locking box for tape cassettes and information flap |
| 04/26/1984 | WO1984001657A1 Device for a video tape cassette intended for rental purposes |
| 04/26/1984 | WO1984001565A1 In-cassette loading machine |
| 04/26/1984 | WO1984001564A1 Cassette loading machine |
| 04/26/1984 | WO1984001563A1 Machine for loading cassettes |
| 04/25/1984 | EP0106661A2 Method and apparatus for disk drive alignment |
| 04/25/1984 | EP0106570A1 Memory disc drive |
| 04/25/1984 | EP0106508A2 Reel hub assembly for tape transport |
| 04/24/1984 | US4445158 Cleaning head assembly for a cassette cleaner |
| 04/24/1984 | US4445157 Flexible magnetic disk cassette |
| 04/24/1984 | US4445155 Flexible magnetic disk cassette and a recording and/or reproducing apparatus for the same |
| 04/24/1984 | US4445150 Recording in a single track visual signals associated with audio signals recorded in opposed directions in plural tracks |
| 04/24/1984 | US4445147 Merchandising device having recording selection and display |
| 04/24/1984 | US4444820 High density information disc lubricants |
| 04/24/1984 | CA1166226A1 Adapter for a miniature type tape cassette |
| 04/17/1984 | US4443874 Information-disc cassette |
| 04/17/1984 | US4443872 Video disc player having caddy lockout mechanism |
| 04/17/1984 | US4443827 Tape cassette |
| 04/17/1984 | US4443398 Forming process for light gauge polymer sheet material |
| 04/17/1984 | CA1165871A1 Optically inscribable record carrier |
| 04/12/1984 | WO1984001467A1 Belt drive for power transfer to cartridge |
| 04/10/1984 | US4442468 Cassette cleaning device |
| 04/10/1984 | CA1165437A1 Case for a rotary recording medium |
| 04/04/1984 | EP0104472A2 Recording tape cartridge |
| 04/03/1984 | US4440586 Method of manufacturing a die for duplicating plastics information carriers |
| 04/03/1984 | US4440458 Holder for video game and computer cartridges, video film cartridges, audio/video cassettes and their storage cases |
| 04/03/1984 | US4440359 Cassette roller guide |
| 04/03/1984 | US4440299 Container for at least one carrier member bearing a reeled tape-like recording medium, especially a magnetic tape cassette, and an assembly of two or more such containers |
| 03/27/1984 | US4439851 Turntable lifting apparatus of a video disc player |
| 03/27/1984 | US4438892 Tape cassette, especially a magnetic tape cassette |
| 03/27/1984 | US4438860 Magnetic tape cassette |
| 03/27/1984 | US4438542 Disk storage drive |
| 03/21/1984 | EP0103314A1 Magnetic-tape cassette |
| 03/20/1984 | US4438468 Tape cassette transferring machine |
| 03/20/1984 | US4438462 Document identification employing exchange-anisotropic magnetic material |
| 03/20/1984 | US4437778 Tape cassette having means for adjusting a tape segment length for a thermal printer |
| 03/14/1984 | EP0102560A2 Audio tape-cassette holder of synthetic material |
| 03/14/1984 | EP0102447A1 Magnetic tape mini-cassette for dictating machines |
| 03/13/1984 | US4436256 Reel shaft/reel hub fitting apparatus |
| 03/13/1984 | US4436253 Device for clamping one terminal end of a tape in a tape reel |
| 03/13/1984 | US4436251 Tape winding system |
| 03/13/1984 | US4436201 Disc cartridge having a detachable lid |
| 03/13/1984 | CA1163710A1 Cassette base for a video tape recorder |
| 03/13/1984 | CA1163708A1 Video tape recorder |
| 03/07/1984 | EP0101908A1 A replaceable bobbin for a cassette cleaner unit |
| 03/06/1984 | USRE31533 Polyacryloyloxyalkyl heterocycle polymer |
| 03/06/1984 | US4435802 Synthetic resin material, particularly surface material for phonograph records with a photograph or picture |
| 03/06/1984 | US4435798 Method and apparatus for cleaning disks containing encoded information |
| 03/06/1984 | US4434955 Magnetic-tape cassette |
| 03/01/1984 | EP0090039A4 Tape cleaning apparatus. |
| 02/28/1984 | US4434480 Automatic loading apparatus |
| 02/22/1984 | EP0101011A2 Recording disc cartridge |
| 02/22/1984 | EP0100823A1 Holders for tape cassettes |
| 02/21/1984 | US4433410 Protective cartridge for optical discs |
| 02/21/1984 | US4433406 Rotary recording medium clamping mechanism |
| 02/21/1984 | US4433405 Rotary recording medium reproducing apparatus having a mechanism for connecting a lid member to a jacket |
| 02/21/1984 | US4433347 Apparatus for automatically reproducing signals in accordance with a mode of the recorded signals |
| 02/21/1984 | US4432827 Method of making cassette holders |
| 02/21/1984 | US4432577 Phonograph record holding device |
| 02/21/1984 | US4432510 Tape cassette |
| 02/21/1984 | US4432505 Lead tape puller and method |
| 02/21/1984 | US4432453 Storage system for either boxed or unboxed cassettes |
| 02/21/1984 | CA1162644A1 Erroneous erasure preventing apparatus |
| 02/15/1984 | EP0100747A2 Optically-readable cards |
| 02/15/1984 | EP0100397A1 Adapter for a magnetic tape cassette |
| 02/14/1984 | US4432084 Apparatus for reproducing signals from a disc |
| 02/14/1984 | US4432024 Method and apparatus for minimizing non-linear distortion in the recording of a bi-level signal |
| 02/14/1984 | US4431237 Tape cassette storage box |