| 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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| 03/07/1989 | US4811319 Multi-disk player system |
| 03/07/1989 | US4811152 Protective structure for jacket for rotatable magnetic recording media |
| 03/07/1989 | US4811151 Shutter assembled disc cartridge |
| 03/07/1989 | US4811150 Device to replace safety tab in VHS format video tapes |
| 03/07/1989 | US4811149 Method and apparatus for cleaning operating components of a video player/recorder |
| 03/07/1989 | US4811137 Disk cartridge shutter opening and closing mechanism |
| 03/07/1989 | US4809928 Right parallelepiped cassette for tape-like recording media, and housing part thereof |
| 03/02/1989 | DE3731702C1 Container for flat information carriers |
| 03/01/1989 | EP0305199A2 Recording disk centering hub |
| 02/28/1989 | US4809252 Multi-disk player system |
| 02/28/1989 | US4809114 Magnetic disc cartridge |
| 02/28/1989 | US4809113 Tape cassette with improved cover structure |
| 02/28/1989 | US4809110 Narrow contour head assembly |
| 02/28/1989 | US4809102 Disk file with air filtration system |
| 02/28/1989 | US4809099 Transport for tape cartridge with leader block |
| 02/28/1989 | US4807826 Tape reel for tape cassette |
| 02/28/1989 | US4807749 Container for flat recording media |
| 02/28/1989 | CA1250663A1 Magnetic tape pinch drive device and application |
| 02/28/1989 | CA1250550A1 Floppy diskette storage container |
| 02/23/1989 | WO1989001689A1 Video cassette tape |
| 02/23/1989 | EP0293494A4 Memorizing device with moving information carriers. |
| 02/22/1989 | EP0303700A1 Optical disk |
| 02/22/1989 | EP0190234B1 Container for recorded-material supports |
| 02/22/1989 | CN2033152U Xie type tape |
| 02/22/1989 | CN1031291A Process for producing information recording discs |
| 02/21/1989 | USRE32876 Disc cassette (disc cartridge) |
| 02/21/1989 | US4807209 Record carrier body with a follow-on track and apparatus for recording information thereon |
| 02/21/1989 | US4807079 Disk cartridge |
| 02/21/1989 | US4807078 Flexible disk jacket colored within specific munsell ranges |
| 02/21/1989 | US4807077 Short time recording tape cassette having a larger open space than that of a long time recording tape cassette |
| 02/21/1989 | US4805770 Cassette with tray ejection means |
| 02/21/1989 | CA1250256A1 Ring for sealing and storage of a spool of recording tape |
| 02/15/1989 | EP0303484A2 Process for producing information recording discs |
| 02/15/1989 | EP0303476A1 Apparatus having mechanism for cleaning information record medium |
| 02/15/1989 | EP0303274A2 Holder for tape cartridges |
| 02/15/1989 | EP0302974A1 Apparatus for securing a functional block to a cassette tape |
| 02/15/1989 | EP0302893A1 Wipers for pair of stabilized magnetic disks. |
| 02/14/1989 | US4805061 Self-positioning write protect mechanism for a cartridge |
| 02/14/1989 | US4805060 Cassette tape recording and/or reproducing apparatus and casettes for use therein |
| 02/14/1989 | US4805045 Apparatus for loading and unloading a tape cartridge |
| 02/14/1989 | US4805039 Index sheet, method for making same, package of same with image recording medium, and container for same together with image recording medium |
| 02/14/1989 | US4804826 Device for preventing unauthorized use of credit cards and like data carriers |
| 02/14/1989 | US4804085 Device for storing flat recording media |
| 02/14/1989 | US4803776 Apparatus for loading reel hubs into cassettes |
| 02/09/1989 | WO1989000961A1 High impact strength protective seals for tape reels |
| 02/08/1989 | EP0302606A2 Method and apparatus for lubricating a magnetic disk continuously in a recording file |
| 02/08/1989 | EP0302549A2 Storing cassette for a disc-like information carrier |
| 02/08/1989 | CN1030994A Process for producing magnetic hub |
| 02/08/1989 | CN1030993A Record disk for information |
| 02/07/1989 | US4803678 Disc cartridge |
| 02/07/1989 | US4803584 Disk cartridge with cleaning sheet of non-woven fabric |
| 02/07/1989 | US4803583 Cleaning cassette with an internal drive motor |
| 02/07/1989 | US4803575 Tape cassettes having bottom grooves for use in tape recorder having bottom projection in cassette holder |
| 02/07/1989 | US4803560 Liquid-crystal television receiver with cassette tape recorder |
| 02/07/1989 | US4802601 Housing |
| 02/07/1989 | US4802554 Grease applying method |
| 02/01/1989 | EP0301866A2 Process for producing magnetic hub |
| 02/01/1989 | EP0301831A2 Information recording discs and process for producing same |
| 02/01/1989 | EP0301829A1 Information recording discs |
| 02/01/1989 | EP0301811A2 Disc cartridge |
| 02/01/1989 | EP0301650A2 Process for the manufacture and back-coating of a galvanic shell |
| 02/01/1989 | EP0301163A2 Multiple container |
| 02/01/1989 | EP0189479B1 Container for magnetic tape cassettes |
| 02/01/1989 | CN1030841A Disc recording medium and equipment for its rotary and linear motion |
| 01/31/1989 | US4802158 Disc clamping device for a disc cartridge player |
| 01/31/1989 | US4802049 Disc cartridge |
| 01/31/1989 | US4802048 Limited play tape cassette system |
| 01/31/1989 | US4802047 Disc cartridge |
| 01/31/1989 | US4802046 Casing assembly for a disc cartridge |
| 01/31/1989 | US4802045 Recording tape cartridge |
| 01/31/1989 | US4802044 Mounting arrangements for levy springs acting against tape reels in a cassette |
| 01/31/1989 | US4801334 Method of and apparatus for cleaning magnetic recording disk cartridge |
| 01/31/1989 | US4801107 Cassette locking system |
| 01/31/1989 | US4800641 Methods for manufacturing a tape cassette with separate tape guide having integrated rollers |
| 01/31/1989 | CA1249660A1 Element for receiving and retaining a rigid circular information disc and a combination of such an element with a storage cassette |
| 01/31/1989 | CA1249659A1 Optical disc having servo-track portions and sector addresses and apparatus |
| 01/26/1989 | WO1989000750A1 Magnetic recorder/player device with stationary recording medium |
| 01/26/1989 | DE3723473A1 Testing device for magnetic-tape cassettes |
| 01/25/1989 | EP0300336A2 Disc recording medium and equipment for its rotary and linear motion |
| 01/25/1989 | CN1030664A High-fidelity video tape cassette |
| 01/24/1989 | US4800554 Disk magazine |
| 01/24/1989 | US4800458 Recording sheet bonded to a substrate in a magnetic disk |
| 01/24/1989 | US4799370 Videocassette security-lock-box |
| 01/24/1989 | CA1249251A1 Storage container for a tape cassette |
| 01/19/1989 | DE3713449A1 Integrable, simple sliding bar as a data protection system for securing and releasing of the data-protect and write-protect notch, as a practical accessory for flexible computer data-storage discs (diskettes) |
| 01/18/1989 | EP0299783A2 A magnetic recording disk cartridge |
| 01/18/1989 | EP0299649A1 Magnetic tape cassette |
| 01/18/1989 | EP0299580A1 Apparatus for the storage and transport of an elongate endless tape |
| 01/18/1989 | EP0299316A2 Test device for magnetic tape cassettes |
| 01/17/1989 | US4799123 Disc cartridge |
| 01/17/1989 | US4799122 Mounting a disc receiver in a disc cartridge |
| 01/17/1989 | US4799121 Disk cartridge having shutters moved by a rack and pinion apparatus |
| 01/17/1989 | US4799120 Guard panel for tape cassettes and method and apparatus for manufacturing the same |
| 01/17/1989 | US4799117 Magnetic tape cassette loading system in recording and/or reproducing apparatus |
| 01/17/1989 | US4798352 Film reel having film-threadable film-retaining core |
| 01/17/1989 | CA1249055A1 Magnetic tape cassette with remaining tape indicator |
| 01/17/1989 | CA1249054A1 Video cassette play counting, storing and reading system |
| 01/12/1989 | DE3721739A1 Digital recording cassette |
| 01/11/1989 | EP0298201A2 Disc cartridge |
| 01/11/1989 | CN2030747U Communication magnetic tape |