Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › 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
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)
07/1991
07/31/1991EP0439144A2 Apparatus and method for an image frame in plural blocks
07/30/1991US5036490 Memory device with dual cantilever means
07/30/1991US5036421 Disc cartridge having an improved shutter configuration
07/30/1991US5035332 Collapsible rack for books, tapes, compact discs and the like
07/30/1991CA2033825A1 Static tape cassette reel lock
07/30/1991CA1287168C Cassette tape recording and/or reproducing apparatus and cassettes for use therein
07/30/1991CA1287167C Automatic loading hub for supply reel on reel to reel tape drive and method
07/25/1991WO1991011004A1 Disk file including means for ensuring disk/hub concentricity
07/25/1991WO1991010995A1 Shaft mounting for a disk file
07/24/1991EP0438315A2 Magneto-optical recording device
07/24/1991EP0438297A2 Objective lens cleaning cartridge
07/24/1991EP0438144A2 Tape cassette
07/24/1991EP0437943A2 Magnetic tape cassettes
07/24/1991EP0437513A1 Frame-by-frame data recording film information exchange system using dedicated magnetic tracks on film.
07/24/1991EP0266420B1 Flexible cassette for use with a reel periphery driven transport
07/24/1991EP0248908B1 Disk cartridge having shutter and a device for opening and closing the shutter
07/24/1991EP0225879B1 Storage means for tape or disc recording media
07/24/1991CN1053317A Information processing apparatus and optial head incorporated therein
07/24/1991CN1013320B Magnetic tape cassette
07/23/1991US5034943 Information storage device
07/23/1991US5034904 Vision system illumination calibration apparatus
07/23/1991US5034844 Disc cartridge with bent shutter plate to facilitate mounting of shutter plate on disc casing
07/23/1991US5034843 Resilient protrusion for positioning in a spool of a magnetic tape cassette
07/23/1991US5034842 Carrier with thumb wind advance for videocassette
07/23/1991US5034841 Device for counting the usage of a tape cassette and method for its manufacture
07/23/1991US5034839 Structures for fixedly supporting tape guides in a magnetic tape cassette
07/23/1991US5034832 Adaptor for a small-sized tape cassette
07/23/1991CA1286640C Recording medium keeping case
07/17/1991EP0437223A2 Optical data medium cassette
07/17/1991EP0437093A2 Data disc and method for retrieving data recorded on data disc
07/17/1991EP0437091A2 Disc player
07/16/1991US5031780 Slot-wall shelf for video cassette display
07/16/1991CA1286401C Security system for protecting information
07/16/1991CA1286273C Tape cassette having rewind control mechansim
07/11/1991WO1991010235A1 Hub lock for video cassette
07/11/1991WO1991010233A1 Protective, vibration damping, stabilizer rings for optical discs
07/10/1991EP0436494A2 Improved reel spring for magnetic tape cassettes
07/09/1991US5031065 Carrier with tape connector interlock for videocassette
07/09/1991US5031062 Method and apparatus for reducing disk distortion under clamping load in a disk drive apparatus
07/09/1991US5030058 Method for stacking articles and feeding the stacks to a discharge site
07/09/1991US5029716 Tape cassette storage system
07/03/1991EP0435495A2 Information recording apparatus with a non-Newtonian liquid bearing
07/03/1991EP0435267A2 Cassette loading apparatus
07/03/1991EP0435054A1 Process and circuit arrangement for recording and for determining the existence and the reproduction of information signals
07/03/1991EP0434922A2 Storage holder for magnetic tape cassette
07/03/1991CN1052744A Cassette door with plastic spring
07/03/1991CN1052743A System for recording/reproducing signals on/from magnetic tape in cassettes
07/02/1991US5029319 Cleaning sheet for a magnetic disc
07/02/1991US5029318 Magnetic tape cassette with lock plates
07/02/1991US5029035 Tape guide for guiding magnetic tape in a videotape cassette
07/02/1991US5029034 Video cassette with optical output of information
07/02/1991US5029026 Disk drive architecture
07/02/1991US5028012 Magnetic tape winder
07/02/1991US5027955 Storage rack for discs, cassettes and the like
07/02/1991US5027949 Lock for magnetic tape reel shipping case
07/02/1991US5027948 Delivery housing for video tape cassettes and the like
07/02/1991CA1285652C Apparatus for loading and unloading a tape cartridge
06/1991
06/29/1991WO1991010229A1 Method and apparatus for cleaning portions of a video cassette recorder
06/29/1991CA2072578A1 Method and apparatus for cleaning portions of a video cassette recorder
06/27/1991WO1991009401A1 Cassette door with plastic spring
06/26/1991EP0434230A2 Optical recording medium and method of recording and reproducing information thereon
06/26/1991EP0434143A2 Arrangement comprising a magnetic tape cassette apparatus with a drive unit and a load mechanism for magnetic tape cassettes, and a magnetic tape cassette
06/26/1991EP0434134A1 System for recording/reproducing signals on/from magnetic tape in cassettes
06/25/1991US5027396 Execution protection for floppy disks
06/25/1991US5027249 Tape cartridge bearing
06/25/1991US5026577 Magnetic recording medium lubricated with a cholesteric liquid crystal
06/25/1991US5026000 Video cassette integral dust door latch/spring
06/20/1991DE4033095A1 System for recording-reproducing signals on-from magnetic tape
06/19/1991EP0433057A1 A tape cassette having front surfaces to guide a tape accommodated therein
06/19/1991EP0432878A2 Water based cleaning composition
06/19/1991EP0432832A1 Method and device for removing a flexible product from a carrier plate
06/19/1991EP0432779A1 Information processing apparatus and optical head incorporated therein
06/19/1991CN1052391A Laser light disc case
06/19/1991CA2032364A1 System for recording/reproducing signals on/from magnetic tape in cassettes
06/18/1991US5025339 Disk drive apparatus with oil damper on eject lever
06/18/1991US5024394 Tape cassette
06/18/1991US5024332 Non-smear erasable label kit
06/18/1991US5024168 Carousel storage device with rotating objects on top thereof
06/18/1991CA1285068C Leader tape staking rod and related method of assembly
06/13/1991WO1991008570A1 Debris control in an enclosed magnetic tape cartridge
06/12/1991EP0431914A2 Magnetic tape cassettes
06/12/1991EP0431913A2 Magnetic tape cassettes
06/12/1991EP0431908A2 Magnetic tape cassettes
06/12/1991EP0431899A2 Magnetic tape cassettes
06/12/1991EP0431898A2 Magnetic tape cassettes
06/12/1991EP0431489A2 Information processing device and optical disk memory used therefor
06/12/1991EP0430956A1 Storage case for circular data carriers.
06/12/1991CN2078920U Semi-automatic push-moving video tape cassette box
06/12/1991CN1052208A Limited use video cassette and integral mailer
06/11/1991US5023856 Optically readable record carrier for recording information, 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
06/11/1991US5023741 Programmable limited play video tape cassette
06/11/1991US5023740 Tape cassette having tape protecting covers
06/11/1991US5023739 High recording density
06/11/1991US5022522 Book and sound recording holder
06/11/1991US5022520 Slider locking device of digital audio tape cartridge
06/11/1991US5022519 Flexible disk jacket
06/11/1991US5022516 Substantially rectangular storage container, in particular for flat articles
06/05/1991EP0430717A2 Improvements in, or relating to tape duplicator systems
06/05/1991EP0430498A2 Magnetic disc
06/05/1991EP0430433A2 A tape cassette having tape guides made of polyethylene
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