| 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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| 07/11/1989 | US4847711 Charge grounding hinge mechanism |
| 07/11/1989 | US4846420 Magnetic tape loading method and apparatus |
| 07/11/1989 | US4846419 Cassette reel having an indicator for tape volume with an upper flange |
| 07/11/1989 | US4846355 Holder for tape cartridges with locking base member |
| 07/11/1989 | US4845820 Process for making cassette spring |
| 07/11/1989 | EP0224498A4 Record playback counter. |
| 07/11/1989 | CA1257388A1 Flexible magnetic diskette |
| 07/11/1989 | CA1257387A1 Miniaturized tape cartridge drive and data processors |
| 07/06/1989 | DE3802008A1 Magnetic-tape cassette container |
| 07/05/1989 | EP0323437A2 Holder for flat audio or video record carrier |
| 07/05/1989 | EP0323199A2 Magnetic tape cassette |
| 07/05/1989 | EP0323167A2 Helical scan tape record apparatus and method |
| 07/05/1989 | EP0323101A2 A tape cassette having a front lid and a back lid |
| 07/05/1989 | EP0323100A2 Tape cassette |
| 07/05/1989 | EP0322853A2 Guide post for magnetic tapes |
| 07/05/1989 | EP0322653A1 Information recording medium |
| 07/05/1989 | EP0322652A1 Recording and/or reproducing apparatus for tape type optical recording medium |
| 07/04/1989 | US4845583 Record diskette or disk jackets lined with powder bonded nonwoven fabrics |
| 07/04/1989 | US4845582 Disc cartridge |
| 07/04/1989 | US4845000 Radiation sensitive carrier body utilized as stamper structure |
| 07/04/1989 | US4844564 Holder for tape cartridges |
| 07/04/1989 | US4844378 Magnetic tape cassette having improved erasure preventing device |
| 07/04/1989 | US4844377 Mounted on a magnetic recording/reproducing apparatus |
| 07/04/1989 | US4844370 Method and device for winding magnetic tape using magnetic alignment |
| 07/04/1989 | US4844247 Document carrier |
| 07/04/1989 | CA1256992A1 Microfloppy disc drive head cleaner |
| 06/29/1989 | DE3742020A1 Presentation device for sales objects |
| 06/28/1989 | EP0321937A2 Container for storing magnetic-tape cassettes |
| 06/28/1989 | CN1033541A Device for changing the position of functional element in electrical apparatus |
| 06/27/1989 | US4843512 Recording disk centering hub |
| 06/27/1989 | US4843511 Magnetic disk cassette having internal biasing ribs |
| 06/27/1989 | US4843510 Magnetic tape cassette with tape protective closure and lock mechanism |
| 06/27/1989 | US4843508 Cleaning cartridge for cleaning the drive head/drive wheel of a cartridge tape drive system |
| 06/27/1989 | US4843487 Tape transporting device |
| 06/27/1989 | US4842348 Container for the storage of magnetic-tape cassettes of other recording media |
| 06/27/1989 | US4842217 Self destruct video tape cassette |
| 06/27/1989 | US4842210 Method and device for winding magnetic tape using magnetic alignment |
| 06/27/1989 | CA1256487A2 Method and apparatus for target reactivation |
| 06/27/1989 | CA1256405A1 Spacer clip |
| 06/21/1989 | EP0321001A1 Device for moving a function part in an electrical apparatus and electromagnetical device for use in prior device |
| 06/21/1989 | EP0320897A1 Write-protected data storage disk assembly |
| 06/21/1989 | EP0320751A1 Package for magnetic tapes wound onto cores |
| 06/21/1989 | CN2039869U Moisture proof storing box for recording tape |
| 06/20/1989 | US4841403 Lid spring locking structure in a magnetic tape cassette |
| 06/20/1989 | US4841386 Cassette recorder with recording programming |
| 06/20/1989 | US4841378 Video camera enablement system utilizing a video cassette characteristic |
| 06/20/1989 | US4840760 Manufacturing method for magnetic tape cassette |
| 06/20/1989 | US4840326 Magnetic tape cassette |
| 06/20/1989 | US4839953 Magnetic disk cartridge assembly system |
| 06/20/1989 | CA1255899A1 Display rack |
| 06/15/1989 | WO1989005510A1 Security device for a video recorder of player |
| 06/15/1989 | DE3901666A1 Verfahren zur magnetkopfreinigung und vorrichtung zur durchfuehrung des verfahrens A method for magnetic head cleaning and device for implementing the method |
| 06/14/1989 | EP0320492A1 Recording disc cartridge |
| 06/14/1989 | EP0319800A2 Optical media having interlaced data rings |
| 06/14/1989 | CN2039449U Fixture of functional block onto tape cassette |
| 06/13/1989 | US4839766 Disk cartridge with improved shutter moving mechanism |
| 06/13/1989 | US4839765 Magnetic recording diskette with offset wiping fabric |
| 06/13/1989 | US4839760 Read/write apparatus for disk cartridge |
| 06/13/1989 | US4838911 Video tape storage cabinet |
| 06/13/1989 | US4838496 Magnetic tape loading method and apparatus |
| 06/13/1989 | US4838421 Multiple use cassette carrying case |
| 06/07/1989 | EP0319301A2 Information recording discs |
| 06/07/1989 | EP0318842A2 Storing and dispensing system |
| 06/07/1989 | EP0318828A2 Locking device for a cassette, and a cassette provided therewith |
| 06/06/1989 | US4837652 Method and apparatus for indexing and labeling electronic disks |
| 06/06/1989 | US4837651 Disc cartridge |
| 06/06/1989 | US4836916 Handling apparatus for magnetic recording disks |
| 06/06/1989 | US4836890 Method for producing optical information recording disk |
| 06/06/1989 | US4836465 Magnetic tape transport system |
| 06/06/1989 | US4836464 Cassette winding apparatus and method for operating |
| 06/06/1989 | CA1255277A1 Leaf-spring roller guide |
| 06/01/1989 | WO1989005029A1 Video cassette rental system and method and record playback counter therefor |
| 05/31/1989 | EP0214256B1 System to ascertain the scanning speed of audio discs with contactless scanning |
| 05/30/1989 | US4835647 Stretched surface recording medium |
| 05/30/1989 | US4834819 Process for producing information recording discs |
| 05/30/1989 | US4834315 Apparatus for grounding cassette |
| 05/30/1989 | CA1255001A1 Tape cassette |
| 05/30/1989 | CA1254965A1 Method and apparatus for target deactivation and reactivation |
| 05/30/1989 | CA1254864A1 Storage means for tape or disc recording media |
| 05/24/1989 | EP0317297A2 Tape cassette |
| 05/24/1989 | EP0188527B1 Takeup spindle |
| 05/24/1989 | DE3738793A1 Winding element connected to an end of a tape, in particular a magnetic tape, and method of fixing the end of the tape on the winding element |
| 05/24/1989 | CN2038270U Repeated playback cassettee tape for study |
| 05/23/1989 | US4832301 Hanger |
| 05/23/1989 | US4832285 Magnetic tape cassette |
| 05/23/1989 | US4832195 Compact storage files |
| 05/17/1989 | EP0316178A2 Tape cassette |
| 05/17/1989 | EP0315935A1 Package with pouch and contents |
| 05/17/1989 | EP0315807A1 Method and apparatus for stacking articles and feeding the stacks to a discharge site |
| 05/17/1989 | EP0315703A1 Tape cassette container |
| 05/16/1989 | US4831482 Arrangement for preventing deformation in a tape cartridge |
| 05/16/1989 | US4831478 Disc drive assembly for supporting a recording disc |
| 05/16/1989 | US4829799 Method of manufacturing substrate for memory disk |
| 05/16/1989 | CA1254300A1 Substrate for rigid disk storage media and method of manufacture |
| 05/16/1989 | CA1254174A1 System for storing and dispensing magnetic tape cartridges |
| 05/10/1989 | EP0315624A2 Process for cleaning magnetic heads and device for carrying out the process |
| 05/10/1989 | CN1032878A Discs cassettes and drawers for lying disc information carriers |
| 05/09/1989 | US4829510 Disk for recording and/or reproducing apparatus having magnetic chucking device |
| 05/09/1989 | US4829168 Optical memory card |
| 05/09/1989 | US4828341 Magnetic tape cassette box |