| 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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| 09/02/1987 | EP0234252A1 Locking mechanism for video cassettes |
| 09/02/1987 | EP0234231A2 Container for a picture and sound record carrier |
| 09/02/1987 | CN87100968A Single piece tape reel and assembly |
| 09/01/1987 | US4691309 Magazine for discs in holders, and combination of a disc-player with such a magazine |
| 09/01/1987 | US4690278 Cassette tape holder |
| 09/01/1987 | CA1226363A1 Latching mechanism for a tape carrier |
| 08/27/1987 | WO1987005145A1 Release tool |
| 08/27/1987 | WO1987005143A1 Method and apparatus for cleaning operating components of a video player/recorder |
| 08/27/1987 | WO1987005129A1 Cassette recorder with programmable recording |
| 08/26/1987 | EP0233644A2 An optical recording disc |
| 08/26/1987 | CN86209426U Inner case of cassette for communication |
| 08/25/1987 | US4689705 Counter device for a magnetic recording disk cartridge |
| 08/25/1987 | US4689702 Magnetic tape cassette |
| 08/25/1987 | US4689253 Tallow quaternary ammonium salt |
| 08/25/1987 | US4688860 Truck and holder for tape cartridges |
| 08/25/1987 | US4688742 Strip media tensioning system |
| 08/25/1987 | US4688682 Tape cartridge storage system |
| 08/25/1987 | CA1226063A1 Optical memory disc |
| 08/25/1987 | CA1226062A1 Reel hub for a magnetic tape cassette |
| 08/24/1987 | EP0188523A4 Improved substrate for rigid disk storage media and method and apparatus for making the same. |
| 08/19/1987 | EP0233138A1 Manufacturing method for a recorded disc-shaped matrix |
| 08/19/1987 | EP0233028A2 Tape cassettes |
| 08/19/1987 | EP0232811A2 Method and device for winding magnetic tape using magnetic alignment |
| 08/19/1987 | EP0232620A2 Magnetic tape cartridges |
| 08/18/1987 | US4688206 Device for opening and closing a shutter member of a disk cartridge |
| 08/18/1987 | US4688203 Optical recording and reproducing apparatus |
| 08/18/1987 | US4688129 Protective jacket for a disk-shaped recording medium |
| 08/18/1987 | US4688128 Magnetic tape cassette having two layered portions |
| 08/18/1987 | US4688127 Magnetic recording disk cartridge with locking member |
| 08/18/1987 | US4687536 Apparatus for centering and attaching a reinforcing ring to a floppy disk |
| 08/18/1987 | US4687231 Identification card readable by a magnetic system |
| 08/18/1987 | US4687157 Tape cassette, in particular a video cassette, and a pressure spring for this |
| 08/18/1987 | US4687100 Reel storage container |
| 08/13/1987 | WO1987004837A1 Process for producing a prerecorded disk-shaped matrix |
| 08/12/1987 | EP0232090A2 Housing |
| 08/12/1987 | EP0231307A1 System for storing magnetic tape cassettes and compact discs |
| 08/12/1987 | CN87100722A Stackable container |
| 08/12/1987 | CN87100496A Magnetic tape cassette |
| 08/11/1987 | US4686666 Flexible micro disk |
| 08/11/1987 | US4685638 Cassette for accommodating electrically conductive film |
| 08/11/1987 | US4685187 Method of loading magnetic recording tape in cassette cases |
| 08/11/1987 | CA1225460A1 Disc holder for a rigid optically readable disc |
| 08/06/1987 | DE3602763A1 Marking means for sound and/or image carriers |
| 08/05/1987 | EP0230963A2 Information processing apparatus |
| 08/05/1987 | EP0230695A1 Disc-shaped information carrier having an insert piece provided with a central bore |
| 08/05/1987 | EP0230610A1 Cassette tape recording and/or reproducing apparatus |
| 08/05/1987 | EP0230566A2 Format patterning method for magnetic recording media |
| 08/05/1987 | EP0230558A1 Container for the storage of record carriers |
| 08/05/1987 | CN86108367A Flexible magnetic disc apparatus |
| 08/04/1987 | US4685017 Write/protect tab assembly for a floppy disc jacket and method for assembling same |
| 08/04/1987 | US4685016 Door operating mechanism for a cassette usable in a magnetic tape recorder |
| 08/04/1987 | US4685015 Cleaner cartridge, in particular for cleaning audio and video tape recorders and players |
| 08/04/1987 | US4684547 Format patterning method for magnetic recording media |
| 08/04/1987 | US4684078 Tape cassette having a reel support structure |
| 08/04/1987 | US4684030 Display rack assembly |
| 08/04/1987 | US4684027 Stationary storing and dispensing system |
| 07/29/1987 | EP0230275A2 Reader/writer apparatus for optical memory card |
| 07/29/1987 | EP0230259A2 Squared container for objects |
| 07/29/1987 | EP0229996A2 System for recording, storing and reading information signals on a record medium |
| 07/29/1987 | EP0229937A1 Container for the storage of record carriers |
| 07/28/1987 | US4683511 Head and guide cleaning device for video tape recorder |
| 07/28/1987 | US4683510 Lock mechanism for tape protective closure for magnetic tape cassette |
| 07/28/1987 | US4683505 Alternately centered disk pack assembly and method |
| 07/28/1987 | US4682742 Apparatus and method for loading tape into a cassette |
| 07/28/1987 | CA1224871A1 Static reduction in magnetic recording cassettes |
| 07/22/1987 | EP0229727A2 An improved tape splicing machine |
| 07/22/1987 | EP0229419A1 Storage case for a magnetic-tape cassette |
| 07/22/1987 | EP0229052A1 A mechanism for joining tape leaders. |
| 07/22/1987 | CN86204943U Cassette for hi-fi tape |
| 07/21/1987 | US4682322 Disk cartridge |
| 07/21/1987 | US4682317 Subcode signal reading circuit in an optical type disc player |
| 07/21/1987 | US4682313 Disk storing system for disk player |
| 07/21/1987 | US4682260 Magnetic disk cartridge |
| 07/21/1987 | US4682259 Magnetic tape cassette with dustproof mechanism |
| 07/21/1987 | US4682258 Video cassette cartridge construction |
| 07/21/1987 | US4682257 Micro floppy disc head cleaner |
| 07/21/1987 | US4682249 Method of documentating an inventory, and a sealing mechanism for use therewith |
| 07/21/1987 | US4682039 Photoelectric tape profile detector for file security |
| 07/21/1987 | US4681280 Magnetic-tape cassette with stretched liner arrangement |
| 07/21/1987 | US4681278 Guide for restoring and removing a tape leader block to and from a tape cassette |
| 07/21/1987 | US4680997 Video tape cassette tool |
| 07/16/1987 | WO1987004116A1 Apparatus and method for loading tape into a cassette |
| 07/16/1987 | WO1987004095A1 Method of preparing base for memory disk |
| 07/16/1987 | WO1987004094A1 Method of preparing base for memory disk |
| 07/16/1987 | WO1987004093A1 Method of preparing metal base for memory disk |
| 07/15/1987 | EP0228904A2 Magnetic tape cartridges |
| 07/15/1987 | EP0228903A2 Magnetic heads |
| 07/15/1987 | EP0228600A1 Tape cartridge |
| 07/15/1987 | EP0228369A1 Means for pulling tape from a reel. |
| 07/14/1987 | US4680662 Disk cartridge having a shutter mechanism |
| 07/14/1987 | US4680661 Magnetic disk cartridge |
| 07/14/1987 | US4680660 Guide groove for a guard panel on a magnetic tape cassette |
| 07/14/1987 | US4680656 Plural-disk rotatable disk memory with air circulation system |
| 07/14/1987 | US4679744 Magnetic tape winding method and system |
| 07/14/1987 | CA1224265A1 Magnetic tape cassette |
| 07/14/1987 | CA1224161A1 Optical memory disc |
| 07/08/1987 | EP0228286A2 Magnetic tape cartridges |
| 07/07/1987 | USRE32457 Scanning capacitance microscope |
| 07/07/1987 | US4679110 Brake and tape tensioning means for tape cassettes having flanged reels, and a tape cassette, in particular a magnetic tape cassette, including these means |
| 07/07/1987 | US4679109 Tape cassette driven rib device |