| 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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| 05/05/1987 | US4662667 Optical record handling apparatus |
| 05/05/1987 | US4662579 Coined reel leaf spring for a video tape cassette |
| 05/05/1987 | US4662049 Mechanism for joining tape leaders |
| 05/05/1987 | US4662025 Cleaning device |
| 05/05/1987 | CA1221456A1 Magnetic disc cartridge |
| 04/29/1987 | EP0219980A1 Device for opening and closing a shutter member provided in a disc cartridge |
| 04/29/1987 | EP0219950A2 Magnetic tape cartridges |
| 04/29/1987 | CN85104757A Tape casette holder |
| 04/28/1987 | US4661875 Information storage disc assembly |
| 04/28/1987 | US4661874 Low friction cleaner for magnetic transducer head |
| 04/28/1987 | US4660784 Tap cartridge |
| 04/28/1987 | EP0147396A4 Secure transaction card and verification system. |
| 04/28/1987 | CA1221164A1 Method and apparatus for hydrodynamic magnetic recording |
| 04/23/1987 | WO1987002503A1 Recording/regenerative apparatus for disc cartridge |
| 04/23/1987 | WO1987002343A1 Apparatus & method for initiating a tape winding operation |
| 04/23/1987 | WO1987002288A1 Tape staking and control apparatus |
| 04/22/1987 | EP0219173A2 Measuring cassette with electrical measured-data transmission |
| 04/22/1987 | EP0219079A2 Device for keeping the tension of a moving tape at a constant level by a pneumatic drop in pressure |
| 04/22/1987 | EP0054566B1 Method and apparatus for automatically loading tape cartridges with supply tape |
| 04/22/1987 | CN86104629A Magnetic tape cassette loading system in recording and/or reproducing apparatus |
| 04/21/1987 | US4660119 Flexible magnetic disk sheet |
| 04/21/1987 | US4660118 Disc cassette with slidable cover |
| 04/21/1987 | US4660117 Disk cartridge having a flexible disk storage medium and a disk file including such a cartridge |
| 04/21/1987 | US4660116 Video tape cassette with internal tape erasing means |
| 04/21/1987 | US4660115 Video tape cassette with internal tape erasing means |
| 04/21/1987 | US4660105 Cassette recording or non-recording indicating mechanism |
| 04/21/1987 | US4659407 Process for manufacturing optical disks by pressing |
| 04/21/1987 | US4658981 Recording tape cartridge |
| 04/21/1987 | US4658944 Disc clutch mechanism for a magnetic disc apparatus of cartridge type |
| 04/21/1987 | CA1220859A1 Cassette removable piece |
| 04/16/1987 | DE3635222A1 Protective cassette covering |
| 04/15/1987 | EP0218265A2 Device for aligning and feeding magnetic-tape cassettes in a supply device to a machine for loading magnetic-tape cassettes |
| 04/15/1987 | EP0218264A2 Pneumatic tape tensioning device for a machine for loading magnetic-tape cassettes |
| 04/15/1987 | EP0218231A2 Shutter arrangement for a disc cartridge |
| 04/15/1987 | EP0217894A1 Data carrier tape with transfer strip; also a process and a device for its manufacture |
| 04/15/1987 | CN85107390A Tape cassette |
| 04/14/1987 | US4658393 Optical memory disc |
| 04/14/1987 | US4658318 Magnetic disk cartridge having improved locking mechanism and ringing pad |
| 04/14/1987 | US4658317 Flexible magnetic disk write protect device |
| 04/14/1987 | US4658306 Method of recording identification signal on software recording medium |
| 04/14/1987 | US4656717 Method for manufacturing tape cassettes using an open-bottom assembly tray |
| 04/14/1987 | CA1220547A1 Method and apparatus for authenticating memory disk |
| 04/09/1987 | DE3634353A1 Apparatus for winding up a magnetic tape onto a cassette |
| 04/09/1987 | DE3634331A1 Apparatus for winding up a magnetic tape onto a cassette |
| 04/08/1987 | EP0217785A1 Magnetic disk cassette having internal biasing ribs |
| 04/08/1987 | EP0217517A1 Security card and security card blank |
| 04/08/1987 | EP0217393A2 Magazine type disk holder |
| 04/08/1987 | EP0217254A2 Stackable container for recording media |
| 04/08/1987 | EP0217220A1 Tape cartridge |
| 04/08/1987 | EP0217157A1 Tape guide for VTR tape cassette |
| 04/08/1987 | EP0216915A1 Process for fabricating optical recording disk |
| 04/08/1987 | CN86203905U Video cassette with counter |
| 04/07/1987 | US4656550 Disk cartridge |
| 04/07/1987 | US4656549 Improvements in plate springs for tape cassettes in particular video tape cassettes |
| 04/07/1987 | US4656548 Tape cassette containing echo-erasing means |
| 04/07/1987 | US4655876 Lasers, etching, sputtering |
| 04/07/1987 | US4655408 Separate tape guide for a continuous loop tape cassette |
| 04/07/1987 | US4655348 Magnetic recording disc-jacket assembly |
| 04/07/1987 | US4655344 Apparatus for storing recording media |
| 04/07/1987 | US4655057 Security device for a video cassette recorder or the like |
| 04/07/1987 | US4654917 Compact disc cleaner |
| 04/02/1987 | DE3633238A1 Video storage disc and operating device for it |
| 04/02/1987 | DE3534958A1 Extendable disk-stack cartridge, in particular for EDP installations, for recording electromagnetic signals |
| 04/01/1987 | EP0216708A2 Disk cartridge |
| 04/01/1987 | EP0216442A2 Disk drive apparatus |
| 04/01/1987 | EP0215965A1 Holder for audio tape cassettes |
| 04/01/1987 | EP0215958A1 Disc cartridge |
| 04/01/1987 | EP0127657B1 Cleaning cassette |
| 04/01/1987 | EP0056798B1 Information recording apparatus with a disc loaded in a cassette |
| 04/01/1987 | CN86106358A Disk drive apparatus |
| 03/31/1987 | US4654799 Software vending system |
| 03/31/1987 | US4654742 Disk cassette pressure spring mechanism |
| 03/31/1987 | US4654741 Magnetic disc apparatus with liner that avoids bent edges of magnetic discs |
| 03/31/1987 | US4654740 Magnetic tape cassette with tape reel assembly having floating reel hub |
| 03/31/1987 | US4654733 Floppy disc chucking device |
| 03/31/1987 | US4654729 Cassette cover opening mechanism |
| 03/31/1987 | US4653539 Self-sealing check valve |
| 03/26/1987 | WO1987001857A1 A locking mechanism for a reel storage container |
| 03/26/1987 | DE3631882A1 Magnetic tape cassette |
| 03/25/1987 | EP0215538A2 Closure construction having back-up support means |
| 03/25/1987 | EP0215023A1 Magnetic tape cassette having a prerecorded low frequency tone. |
| 03/25/1987 | CN86204285U Cassettee circulating tape which is driven in duplex direction |
| 03/24/1987 | US4653041 Record disk drive |
| 03/24/1987 | US4653038 Record support apparatus |
| 03/24/1987 | US4652961 Micro-floppy diskette with inner containment system |
| 03/24/1987 | US4652480 Flexible disk |
| 03/24/1987 | US4651882 System for storing and dispensing magnetic tape cartridges |
| 03/24/1987 | US4651876 Cassette protective cover |
| 03/24/1987 | CA1219443A1 Three part diskette labeling system |
| 03/18/1987 | EP0214889A1 Method and apparatus for recording data of which the authentification has to be assured |
| 03/18/1987 | EP0214820A2 Magnetic tape cartridges |
| 03/18/1987 | EP0214604A2 Tape cartridge |
| 03/18/1987 | EP0214562A2 Bobbin for goods in the form of a band |
| 03/18/1987 | CN86105081A Magnetic tape cassette with magnetic tape protective closure and bias means therefor |
| 03/18/1987 | CN86103484A Magnetic tape recording and/or reproducing apparatus with rotary head assembly |
| 03/17/1987 | US4650979 Method for the detection of authenticity in a data carrier and apparatus for applying said method |
| 03/17/1987 | US4650601 Improved scale visibility |
| 03/17/1987 | US4650136 Magnetic tape cassette |
| 03/17/1987 | US4650080 Videocassette display rack |
| 03/17/1987 | US4650072 Magazine for sound recording media |