| 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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| 08/07/1990 | US4946148 Leaf spring for supporting reels of a video tape cassette |
| 08/02/1990 | DE3902214A1 Connectable container having a spring-actuated drawer to receive different articles, e.g. audio cassettes |
| 08/01/1990 | EP0380008A2 Packaging container for a plurality of circular recording discs |
| 07/31/1990 | US4945530 Cartridge for optical data discs |
| 07/31/1990 | US4945440 Tape cassette with transparent reel viewing windows and laminated three-color construction |
| 07/31/1990 | US4945432 Magnetic disk drive with brittle disks |
| 07/31/1990 | US4944995 Aluminum rod bonded to plastic substrate |
| 07/31/1990 | US4944982 Disks for laser beam reading; accuracy |
| 07/31/1990 | US4944808 Method of removing particles from a flexible support, and apparatus for practicing same |
| 07/31/1990 | CA1272287A1 Protective structure for jacket for rotatable magnetic recording media |
| 07/26/1990 | WO1990008384A1 Particulate removing means for cartridges |
| 07/26/1990 | WO1990008383A1 Computer disk adjustable write-protect device |
| 07/25/1990 | EP0379117A2 Magnetic disk cartridge |
| 07/25/1990 | EP0151649B1 Tape cassette |
| 07/25/1990 | CN2059760U Four faces tape |
| 07/25/1990 | CN1008953B Jacket for floppy disk |
| 07/24/1990 | US4943880 Disk locking mechanism for disk cartridge |
| 07/24/1990 | US4943878 Ultra-compact recorder |
| 07/19/1990 | CA2006961A1 Magnetic disk cartridge |
| 07/18/1990 | EP0377779A1 Aluminium alloy product having improved combinations of strength, toughness and corrosion resistance |
| 07/18/1990 | CN1008847B Tape cassette |
| 07/17/1990 | US4942492 Wiping device for magnetic tape cassettes |
| 07/17/1990 | US4942488 Video theater system |
| 07/12/1990 | WO1990007776A1 A container |
| 07/11/1990 | EP0377512A1 A container |
| 07/10/1990 | US4941066 Injection molded center core for a recording disc and related method of manufacture |
| 07/10/1990 | US4941065 Apparatus for cleaning a video player/recorder |
| 07/10/1990 | US4940275 Apparatus for scanning recording media with an automatic medium-change mechanism and structure for mounting same on a vehicle |
| 07/10/1990 | US4940140 Case for containing and immobilizing a computer tape reel |
| 07/04/1990 | EP0376895A2 Continuous feed and discharge flow through cassette loading apparatus and system |
| 07/04/1990 | EP0376841A1 CD display case with protrusions |
| 07/04/1990 | EP0376570A2 Data storage case having a write/protect assembly |
| 07/04/1990 | EP0376569A2 A tape cassette reel having an upper reel moulded by dichromatic moulding process |
| 07/04/1990 | EP0376035A2 Multiple carousel storage |
| 07/04/1990 | CN1008669B Storage device with movable information carrier |
| 07/03/1990 | US4939715 Tape scanning apparatus |
| 07/03/1990 | US4939613 Tape cassette with rigid tape guide |
| 07/03/1990 | US4939606 Rotary head assembly for digital audio tape recorders |
| 07/03/1990 | US4938360 Sealed cushioning package |
| 06/27/1990 | EP0375672A2 Recording and/or reproducing apparatus with rotary head for recording and reproducing signals in a magnetic tape cassette |
| 06/27/1990 | EP0375358A2 Helical scan tape record apparatus and method |
| 06/27/1990 | EP0375322A2 Tape reel hub |
| 06/27/1990 | EP0374546A2 Magnetic recording media in disc form, process for their production and information memory containing these magnetic recording media |
| 06/27/1990 | EP0374163A1 Magnetic recorder/player device with stationary recording medium |
| 06/26/1990 | US4937695 Recording and/or reproducing apparatus |
| 06/22/1990 | CA2005672A1 Helical scan tape record apparatus and method |
| 06/21/1990 | DE3942119A1 Magnetplatten-antriebsvorrichtung A magnetic disk driving device |
| 06/21/1990 | DE3842149A1 Identification of compact discs (CDs) and permanent storage of the track sequence on the CD or in a CD player |
| 06/20/1990 | EP0373884A2 Tape cassette |
| 06/20/1990 | EP0373763A2 Compact disc playback enhancer |
| 06/20/1990 | EP0373718A2 Recording and/or reproducing system and cassette for such a system |
| 06/20/1990 | EP0373412A1 Process for coating tools, and tool produced thereby |
| 06/20/1990 | EP0373411A2 Element insertable in an EDP device |
| 06/20/1990 | CN2058524U Combined tape |
| 06/20/1990 | CN1043219A Lid locking device for tape cassette |
| 06/20/1990 | CN1043218A Slider locking device of digital audio tape cartridge |
| 06/19/1990 | US4935895 Magnetic tape cassette loading system in recording and/or reproducing apparatus |
| 06/19/1990 | US4935834 Shutter spring for disk cartridge |
| 06/19/1990 | US4935833 Liquid crystal polymer with lubricant |
| 06/19/1990 | US4935611 Technique for operating electrically-powered equipment in time dependent manner |
| 06/19/1990 | US4935605 Apparatus for correcting curl of magnetic recording medium |
| 06/19/1990 | US4934577 Plastic composite, low cost |
| 06/19/1990 | US4934531 Storing box for cassette |
| 06/14/1990 | WO1990006579A2 Improved disc unit |
| 06/14/1990 | WO1990006572A2 Process and device for cleaning magnetic heads |
| 06/13/1990 | EP0373138A1 A drying device for recorder/player units |
| 06/13/1990 | EP0246298B1 A storage disk drive mechanism and hub member |
| 06/13/1990 | EP0244413B1 Exchangeable and lockable storing box in a frame |
| 06/13/1990 | CN1008409B Miniature cassette tape adapter |
| 06/13/1990 | CN1008408B Magnetic tape cassette with tape protective sliding closure and lock mechanism for sliding closure |
| 06/12/1990 | US4933797 Arrangement for preventing entrance of harmful particles for use in a cartridge |
| 06/12/1990 | US4933796 Magnetic tape cassette |
| 06/12/1990 | US4933785 Disk drive apparatus using dynamic loading/unloading |
| 06/12/1990 | US4933537 Apparatus for controlling movement of an optical memory card for data transfer therewith |
| 06/12/1990 | US4932604 Tape cartridge |
| 06/12/1990 | US4932600 Method for winding magnetic tape |
| 06/12/1990 | US4932526 Container for recording media |
| 06/12/1990 | CA2003171A1 Compact disc playback enhancer |
| 06/12/1990 | CA1270215A1 Seal for a box enclosing a compact disc or tape cassette |
| 06/07/1990 | DE3840903A1 Container for receiving cassette-storing containers |
| 06/06/1990 | EP0371581A2 Cassette insertion device |
| 06/05/1990 | US4931770 For transferring information stored of a disc, tape or film |
| 06/05/1990 | US4931338 Test disk having fluorocarbon resin asperities for magnetic disk drive component testing |
| 06/05/1990 | US4930821 Cover-locking device for a video tape cassette |
| 06/05/1990 | US4930714 Reel for a magnetic tape |
| 05/31/1990 | WO1990005983A1 Rotatable cabinet |
| 05/31/1990 | WO1990005974A1 High density disc drive with magnetic clutch and a removable cartridge |
| 05/31/1990 | WO1990005685A1 Computer diskette dispenser and storage device |
| 05/30/1990 | EP0370690A2 A video and/or audio cassette assembly |
| 05/29/1990 | US4930033 Tape cleaner and degausser apparatus |
| 05/29/1990 | US4930032 Magnetic tape cassette having improved guide pole structure |
| 05/29/1990 | US4929861 Quick release latching and dispensing device |
| 05/29/1990 | US4928905 One-way clutch assembly |
| 05/29/1990 | US4928825 Cassette storage container |
| 05/23/1990 | EP0369859A1 Device for the backlash-free driving of a magnetic-tape cassette reel |
| 05/23/1990 | EP0369651A2 Disk locking mechanism for disk cartridge |
| 05/23/1990 | EP0369646A2 Shutter spring for disk cartridge |
| 05/22/1990 | US4928271 Holder for discs of different diameters |
| 05/22/1990 | US4928197 Lock for video tape cassette |
| 05/22/1990 | US4928194 Anti-static support for a cartridge in a disk drive |