| 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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| 10/03/1991 | WO1991015015A1 Cassette case |
| 10/02/1991 | EP0449517A1 Optical disc |
| 10/02/1991 | EP0449330A2 Tape cassette loading system |
| 10/02/1991 | EP0449141A1 Magnetic disk jacket |
| 10/02/1991 | DE4109918A1 Device for cleaning floppy discs - has cleaning head which pumps ionised air onto surface and sucks dust away |
| 10/02/1991 | DE4009306A1 Kassettenarchiv Library |
| 10/01/1991 | US5053906 Service cassette for VHS video cassette recorder |
| 10/01/1991 | US5053905 Photopolymer protective coatings |
| 10/01/1991 | US5052634 Static tape cassette reel lock |
| 10/01/1991 | CA2039209A1 Tape cassette having reels displaceable towards the rear corners |
| 09/29/1991 | CA2038447A1 Magnetic disk jacket |
| 09/25/1991 | EP0448408A2 Optical cutting method and optical cutter |
| 09/25/1991 | EP0448320A2 Shutter for cartridge and apparatus for molding same |
| 09/25/1991 | EP0447557A1 Protective case for tape cartridge |
| 09/25/1991 | EP0162689B1 Magnetic disc reproducing apparatus |
| 09/24/1991 | US5051858 Recording disk having improved centering hub and magnetic yoke arrangement |
| 09/24/1991 | US5051857 Disc cartridge having a slidingly movable shutter |
| 09/24/1991 | US5050792 Floppy disk directory envelope form |
| 09/24/1991 | CA1289662C Cassette adapter for playback device, such as a compact disk player |
| 09/24/1991 | CA1289661C Cassette holder in recording and reproducing apparatus for magnetic tape cassette having underside-covering sliding shutter member |
| 09/20/1991 | CA2012554A1 Prolong vcr tape cassette |
| 09/18/1991 | EP0447025A1 Magnetic recording media and processes for manufacture thereof |
| 09/18/1991 | EP0446910A1 Theft detection apparatus and flattened wire target and method of making same |
| 09/18/1991 | EP0446629A2 Cassette accommodating method and index card for cassette case |
| 09/18/1991 | EP0446409A2 Control system for a compact disc player |
| 09/18/1991 | EP0446336A1 Apparatus for magnetically determining the status of a cartridge in a magnetic recorder |
| 09/18/1991 | EP0446319A1 Labelling method |
| 09/17/1991 | USRE33695 Disc case |
| 09/17/1991 | US5050147 Disc changer, and associated player cooperating with the disc changer |
| 09/17/1991 | US5050031 Video cassette rental system and method and record playback counter therefor |
| 09/17/1991 | US5050030 Disk cassette with shutter attaching feature |
| 09/17/1991 | US5050029 Lid lock member tape cassette with light leading |
| 09/17/1991 | US5049337 Molding method for magnetic tape cassette |
| 09/17/1991 | US5048142 Electromagnetic tape cleaner |
| 09/14/1991 | CA2037958A1 Theft detection apparatus and flattened wire target and method of making same |
| 09/12/1991 | DE4006933A1 Universal decoder for program-accompanying data - is of modular type usable in VHF and TV receivers for wide range evaluation |
| 09/12/1991 | DE4006930A1 Communication signal reception system - has VHF or TV receiver including audio cassette part with incorporated or added decoder |
| 09/11/1991 | EP0445220A1 Computer diskette dispenser and storage device |
| 09/11/1991 | EP0445133A1 Computer communication interface |
| 09/10/1991 | US5048008 Disk cartridge |
| 09/10/1991 | US5047887 Method and apparatus for cleaning the tape head and tape path of a video cassette recorder using a wetted cleaning tape |
| 09/10/1991 | US5046683 Cassette reel spring tip configuration |
| 09/10/1991 | US5046678 Binding tape reel having a tape cleaning tool |
| 09/05/1991 | WO1991013017A1 Wear resistant charge dispersing tape cartridge capstan |
| 09/04/1991 | EP0444881A2 Tape cassette |
| 09/04/1991 | EP0444623A2 Tape cassette loading mechanism |
| 09/03/1991 | US5046171 Welding pattern for a cleaner liner in a magnetic disk cartridge |
| 09/03/1991 | US5046170 Information carrier disk housing having incorrect insertion prevention |
| 09/03/1991 | US5046168 Apparatus for controlling the leader block drive in a device |
| 09/03/1991 | US5045962 Magnetic tape cleaner |
| 09/03/1991 | US5045959 Disc cartridge with opening for exposing disc extending to thin portion of peripheral wall provided with reinforcement |
| 09/03/1991 | US5045676 Optical media having interlaced data rings |
| 09/03/1991 | US5044497 Audiocassette storage container having offset post members |
| 09/03/1991 | US5044496 Case |
| 08/28/1991 | EP0443450A2 Magnetic tape cassette |
| 08/28/1991 | EP0443271A1 Videotape cartridge for use with an adaptor |
| 08/28/1991 | EP0443265A2 Videotape adaptor for use with a cartridge |
| 08/27/1991 | US5043974 Hermetically sealed |
| 08/27/1991 | US5043968 Apparatus for cleaning the pick up lens of a compact disc player |
| 08/27/1991 | US5042740 Pressure spring for tape cassettes and tape cassettes having said spring |
| 08/27/1991 | US5042659 Case for magnetic tape cassette |
| 08/22/1991 | DE4004675A1 Magnetic tape cassette with deflection roller - having central bore with convex inside face fitted over perpendicular pin |
| 08/21/1991 | EP0442502A2 Disk cartridge |
| 08/21/1991 | CN2083322U Semi-automatic video-tape case with ejection function |
| 08/21/1991 | CN1053963A Disk file including means for ensuring disk/hub concentricity |
| 08/21/1991 | CA2033587A1 Videotape cartridge for use with an adaptor |
| 08/21/1991 | CA2033387A1 Videotape adaptor for use with a cartridge |
| 08/20/1991 | US5041939 Magnetic tape cassette with leaf-shaped spring door closure mechanism |
| 08/20/1991 | US5041938 Magnetic tape cassette |
| 08/20/1991 | US5041923 Data storage case having a write/protect assembly |
| 08/20/1991 | US5040296 Erasable label |
| 08/14/1991 | EP0441631A1 A video cassette case having hard plastic sheets on flat surfaces thereof |
| 08/14/1991 | CN1053857A Magnetic tape cassette having dynamic tape guide |
| 08/13/1991 | WO1991012612A1 Theftproof container |
| 08/13/1991 | US5040210 Lockable tape cassette control system |
| 08/13/1991 | US5040167 Disk cartridge |
| 08/13/1991 | US5040160 Disk and cleaner chip for cleaning optical heads |
| 08/13/1991 | US5040085 Disk storage drive directed to disk drive details |
| 08/13/1991 | US5039180 Storage cabinet with displaceable shelving |
| 08/13/1991 | US5039178 Adaptable cassette and disc pack storage system |
| 08/13/1991 | US5039131 Adhesive sealing strip, printed with identification features, for recording materials |
| 08/13/1991 | US5039024 Method of fixedly mounting tape on core portion of reel made of plastics |
| 08/13/1991 | US5038942 Multi-unit storage carriers for disc-shaped containers |
| 08/13/1991 | US5038932 Cassette and video tape holder |
| 08/13/1991 | US5038462 Apparatus for assembling articles from two halves such as video cassette containers |
| 08/13/1991 | CA2050472A1 Theftproof container |
| 08/07/1991 | EP0440493A2 Tape-cartridge case |
| 08/07/1991 | EP0440424A2 Cassette cases and index sheets therefor |
| 08/07/1991 | EP0440175A2 Disk cartridge |
| 08/07/1991 | EP0440160A1 Tape loading device into cassette |
| 08/07/1991 | EP0191775B1 Recorded information verification system |
| 08/06/1991 | US5038339 Record carrier having servo-track portions and sector addresses having the same predetermined width |
| 08/06/1991 | US5038336 Cleaning device for optical pick-up lens |
| 08/06/1991 | US5038332 Optical information recording medium including an optically detectable mark representing a boundary between the recording and non-recording areas |
| 08/06/1991 | US5038235 Superposed tape cassette storage racks with pusher unit facilitating tape withdrawal |
| 08/06/1991 | US5038030 Surface identification for back-coated magnetic recording medium |
| 08/01/1991 | DE4102093A1 Magnetic tape cassette - has spool locking system to enable cassette to be transported via postal system |
| 07/31/1991 | EP0439375A2 A treatment device |
| 07/31/1991 | EP0439366A2 Tape tension controller |
| 07/31/1991 | EP0439290A1 Recording and reproducing apparatus |