| 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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| 10/28/1993 | DE4308680A1 Preventing unauthorised use of optical disc e.g. CD-ROM - comparing first information read out from area of disc inaccessible to user with second information concerning authentic disk |
| 10/27/1993 | EP0567080A1 Optical information storage disk for use with electronic article surveillance systems |
| 10/27/1993 | CN2144850Y Cyclic recording tape |
| 10/26/1993 | US5257154 Recording medium disk with clearance for adhesive bond |
| 10/26/1993 | US5257153 Disc case |
| 10/26/1993 | US5257091 Optical alignment system for aligning a multiple gap tape head assembly |
| 10/26/1993 | US5257024 Search position encoder |
| 10/26/1993 | US5255408 Photographic film cleaner |
| 10/21/1993 | DE4312204A1 Tape cassette with double front flap having guidance cam-ways - has rib extending over rear side of tape guide to prevent cam pin penetrating concave region upon closure |
| 10/20/1993 | EP0566403A2 Enclosures for disks |
| 10/20/1993 | EP0566032A2 Hub type optical disk and injection molding die for molding its disk substrate |
| 10/20/1993 | EP0565888A2 Magnetic tape cassette |
| 10/20/1993 | EP0565736A1 Tape cassette |
| 10/20/1993 | CN1077562A Magnetic tape cassette |
| 10/20/1993 | CN1077561A Protecting shell for disc and material for same |
| 10/20/1993 | CN1077560A 磁带导辊 Tape guide roller |
| 10/19/1993 | US5255259 Method of access to recording medium, and apparatus and method for processing information |
| 10/19/1993 | US5255145 Shutter spring stop for disk cartridges |
| 10/19/1993 | US5255144 Brake device for tape reel in magnetic tape cassette |
| 10/19/1993 | US5255143 Means for visualization of rotary movement in tape cassettes |
| 10/19/1993 | US5253822 Tape cartridge having a name plate with an index formed thereon |
| 10/19/1993 | US5253756 Container for data-storage devices |
| 10/16/1993 | CA2093850A1 Magnetic tape cassette |
| 10/14/1993 | WO1993020558A1 Ribbed-belt for belt-driven tape pack |
| 10/14/1993 | WO1993020555A1 Tape guide roller |
| 10/14/1993 | WO1993020547A1 Index key |
| 10/14/1993 | WO1993016475A3 Support with compartments for cassettes containing recording media |
| 10/13/1993 | EP0565281A2 Information handling system incorporated with an information security measure |
| 10/12/1993 | US5253234 Disk storage/select player |
| 10/12/1993 | US5253218 Compact magazine loaded disk player |
| 10/12/1993 | US5253136 Tape cassette having an information indicating portion for indicating information relating to predetermined characteristics of the tape cassette |
| 10/12/1993 | US5253066 TV recording and viewing control system |
| 10/12/1993 | US5251844 Gimbaled compliant guide for tape drivers |
| 10/12/1993 | US5251750 Molded CD tray and pop up rosette therefor |
| 10/12/1993 | US5251749 Compartmentalized; biased spring members |
| 10/12/1993 | US5251348 Contact cleaner roll cleaning system |
| 10/06/1993 | EP0564187A2 Recording and reproducing apparatus |
| 10/06/1993 | EP0563433A2 Closure and positioning mechanism for streamer cartridges |
| 10/06/1993 | CN1077047A Magnetic tapes and CD disks storage Unit and storage apparatus |
| 10/05/1993 | US5251090 Self sealing data storage element |
| 10/05/1993 | US5249759 Tape cassette casing having biasing element for improved traveling and take-up of magnetic tape |
| 09/30/1993 | DE4226408C1 Inscription contact e.g. for magnetic tape video cassette - is accessed by VTR engaging the contacts formed by embossed letters on cassette |
| 09/30/1993 | DE4209969A1 Handling and positioning system for magnetic tape cassette assembly - holds cassette by grippers on carriage with pneumatic cylinders operating with stop for accurate location |
| 09/29/1993 | EP0562994A2 Method and apparatus for cleaning disks |
| 09/29/1993 | EP0550443A4 Security tag for compact disc storage container |
| 09/29/1993 | CN1076804A System zones for non beginning of tape operations |
| 09/29/1993 | CN1076803A Volume format information |
| 09/28/1993 | US5249177 Structure for preventing dislocation of a spring in an optical disk cartridge |
| 09/28/1993 | US5249093 Magnetic disk |
| 09/28/1993 | US5248990 Process for producing optical recording medium for optical data recording and reproduction |
| 09/23/1993 | DE4207684A1 Housing for computer tape spools - has housing formed by two half sections that wave central registration features and self latching action |
| 09/22/1993 | EP0561000A1 Data recording medium, its production, and data recording/reproduction apparatus |
| 09/22/1993 | CN1076541A Tape cassette |
| 09/21/1993 | US5247417 Shutter stop mechanism for disk cartridges |
| 09/21/1993 | US5247416 Disk cartridge with friction-reducing sheet |
| 09/21/1993 | US5247406 Tape cartridge magazine |
| 09/21/1993 | US5246284 Storage cabinet and cabinet module for selectively storing tape cassettes and discs |
| 09/21/1993 | CA1322413C2 Tape cassette |
| 09/16/1993 | WO1993018516A1 Storage |
| 09/16/1993 | WO1993018515A1 Data carrier, in particular a 3,5' floppy disk, and add-on device for such a carrier, and auxiliaries for holding such devices together |
| 09/16/1993 | WO1993018507A1 Removable cartridge disk drive for receiving a cartridge housing a 105mb 3.5 inch hard disk |
| 09/16/1993 | DE4207508A1 Magnetic tape cassette with spool lock when not in use - has spools with toothed frames that are encased by latches when not in use to prevent rotation. |
| 09/16/1993 | DE4207381A1 Recording tape cassette with chip card on face |
| 09/15/1993 | EP0560318A2 Optical card and device to read same |
| 09/15/1993 | CN1076299A Improved leader block for magnetic tape cartridge |
| 09/15/1993 | CN1022145C Lid locking device for tape cassette |
| 09/14/1993 | US5245490 Disc recording and/or reproducing apparatus including a head positioning mechanism having a spiral cam for positioning a head at a reference position |
| 09/14/1993 | US5245485 Multiple tape thickness, multiple recording format tape drive systems |
| 09/14/1993 | US5244555 Floating pocket memory disk carrier, memory disk and method |
| 09/09/1993 | DE4207211A1 Recording tape cassette with chip card on face |
| 09/08/1993 | EP0559273A2 Package for a disc-shaped record carrier having a centre hole |
| 09/08/1993 | CN1076050A Cassette with recording tape |
| 09/08/1993 | CN1022072C Loading and unloading unit for cassette |
| 09/07/1993 | US5243485 Tape reel assembly for electrically encoding tape relative position information |
| 09/07/1993 | US5243484 Cleaning cassette for cassette tape recorders |
| 09/07/1993 | US5242049 Case for a disc cartridge |
| 09/07/1993 | CA1322052C Optically readable record carrier for recording information, method and apparatus for manufacturing such a record carrier, apparatus for recording information on such a record carrier, and apparatus for reading information recorded on such a record carrier |
| 09/07/1993 | CA1322051C Disc drive assembly for magnetic disc memory unit |
| 09/07/1993 | CA1321861C Apparatus having mechanism for cleaning information record medium |
| 09/02/1993 | WO1993017431A1 Data tape recording system having longitudinal address and servo tracks |
| 09/02/1993 | DE4303698A1 Frame for storing CD, music and video cassettes - has side wall parts gripping stored objects at least at their diagonal ends |
| 09/02/1993 | DE4236596A1 CD magazine unit for automatic changer - accommodates discs in parallel compartments each having ejector lever and guide elements spreadable to accommodate different disc diameters |
| 09/01/1993 | EP0558323A1 Tape cassettes |
| 09/01/1993 | EP0558171A1 Volume format information |
| 09/01/1993 | EP0558168A1 System zones for non-beginning of tape operations |
| 09/01/1993 | EP0558066A1 Magnetic tape cassette |
| 09/01/1993 | EP0557920A1 Method and device for removing an injection-molded piece from a mold |
| 09/01/1993 | EP0557571A1 Cleaning cartridge designed for automatic operations |
| 09/01/1993 | CN1021995C Information recording discs |
| 08/31/1993 | US5241441 Disk cartridge with lubricating means in contact with spindle of drive means |
| 08/31/1993 | US5241432 Endless tape conveying device |
| 08/31/1993 | US5240548 Recording medium assembling apparatus |
| 08/31/1993 | US5240201 Integrally molded recyclable video tape cassette |
| 08/31/1993 | US5240200 Tape cassette |
| 08/31/1993 | US5240197 Selectively engageable tape winding shaft and method of use |
| 08/31/1993 | CA1321844C Computer communication interface |
| 08/31/1993 | CA1321799C Method and apparatus for stacking articles and feeding the stacks to a discharge site |
| 08/29/1993 | CA2090054A1 Volume format information |
| 08/29/1993 | CA2090050A1 System zones for non beginning of tape operations |
| 08/28/1993 | CA2090199A1 Tape cassette |