| 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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| 09/05/1984 | EP0117576A1 Optically readable disc |
| 09/04/1984 | US4470089 Tape unit cleaning device |
| 09/04/1984 | US4470083 Magnetic recording disk cartridge |
| 09/04/1984 | US4470054 Optical disc write/read apparatus with disc mounting means |
| 09/04/1984 | US4469293 Reel shaft |
| 09/04/1984 | US4469292 For recording/playback devices |
| 09/04/1984 | US4469265 Tape handling device |
| 09/04/1984 | US4469225 Tape cassette cases with locking mechanism |
| 09/04/1984 | CA1173811A1 Automatic web threading apparatus |
| 09/04/1984 | CA1173803A1 Display package |
| 08/29/1984 | EP0116973A1 Tape cassette assembly consisting of several parts |
| 08/29/1984 | EP0116653A1 Process for the production of a metal soap layer as an antifriction layer on a metallized registration support |
| 08/22/1984 | EP0116471A1 Flexible magnetic discs |
| 08/22/1984 | EP0116315A1 Cassette storage container |
| 08/21/1984 | US4467465 Rotary recording medium reproducing apparatus having a jacket opening enlarging mechanism |
| 08/21/1984 | US4467377 Cassette type-tape recorder |
| 08/21/1984 | US4466585 Magnetic recording tape cartridge |
| 08/21/1984 | US4466584 Apparatus for counting and limiting the number of plays of a cassette |
| 08/21/1984 | US4466583 Cassette door latch |
| 08/21/1984 | US4466582 Tape guide for magnetic tape cartridge |
| 08/21/1984 | US4466564 Belt for belt-driven recording tape pack |
| 08/14/1984 | US4466037 Recording reproducing apparatus |
| 08/14/1984 | US4466036 Magnetic tape cassette |
| 08/14/1984 | US4466032 Flexible disc recording and/or reproducing apparatus |
| 08/14/1984 | US4466031 Magnetic disc apparatus |
| 08/14/1984 | US4466024 Two-sided use of floppy disks |
| 08/07/1984 | US4464693 Snap-action cartridge for recording disc |
| 08/07/1984 | US4464692 Magnetic sheet cassette device |
| 08/07/1984 | US4464670 Optical disk mounting means for write/read apparatus |
| 08/07/1984 | US4463996 Tape cassette storage box |
| 08/07/1984 | US4463918 Magnetic recording tape cartridge |
| 08/07/1984 | US4463850 Video disc caddy |
| 08/07/1984 | US4463849 Video disc caddy |
| 08/01/1984 | EP0114631A1 Storage case for two and more high-density information discs |
| 07/31/1984 | US4463042 Cartridge |
| 07/31/1984 | US4462858 For automatic cassette loading machine |
| 07/31/1984 | US4462553 Endless cassette tape for video tape recorder |
| 07/31/1984 | CA1171961A1 Method and apparatus for automatic control of electronic equipment |
| 07/31/1984 | CA1171830A1 Tape cassette |
| 07/25/1984 | EP0113806A1 Recipient for magnetic tape cassettes |
| 07/24/1984 | US4462056 Video tape recorder cleaning device |
| 07/24/1984 | US4462036 Optical disc assemblies for optical disc write/read apparatus |
| 07/19/1984 | WO1984002798A1 Static reduction in magnetic recording cassettes |
| 07/17/1984 | US4460930 Apparatus for a cassette |
| 07/17/1984 | CA1171171A1 Method and apparatus for recording and reproducing audio and visual signals on a magnetic tape |
| 07/17/1984 | CA1171035A1 Splicing apparatus and cassette therefor |
| 07/17/1984 | CA1171017A1 Tape cassette for a printing apparatus |
| 07/17/1984 | CA1170967A1 Splicer assembly for a tape cassette loader |
| 07/11/1984 | EP0112966A1 Storage device for flat record carriers |
| 07/10/1984 | US4459628 Disk cartridge |
| 07/10/1984 | US4458858 Bowed cassette shim and method for making |
| 07/10/1984 | US4458857 Security device for use with magnetic tape reels |
| 07/05/1984 | WO1984002605A1 Method and device for cleaning by wet process tape-like recording media |
| 07/04/1984 | EP0112507A2 Cassette storage device |
| 07/04/1984 | EP0112436A1 Device for storing flat record carriers |
| 07/03/1984 | US4458282 For dust-free containment of rotating data storage media |
| 07/03/1984 | US4458281 Magnetic tape head cleaning apparatus |
| 07/03/1984 | US4458278 Disk-centering mechanism for use with a high-density flexible disk |
| 07/03/1984 | US4457474 Magnetic tape cartridge |
| 07/03/1984 | US4457473 Tape cartridge housing |
| 07/03/1984 | US4457429 Package for recording media |
| 07/03/1984 | US4457428 Case combination for microcassette |
| 07/03/1984 | CA1170362A1 Shield for magnetic tape cassettes |
| 07/03/1984 | CA1170361A1 Tape cassette |
| 07/03/1984 | CA1170360A1 Tape cassette |
| 06/27/1984 | EP0111957A2 Method of applying a metallic coating to a substrate |
| 06/27/1984 | EP0111876A2 Recording tape cartridge |
| 06/26/1984 | US4456935 Information recording apparatus with a disc loaded in a cassette |
| 06/26/1984 | US4456192 Magnetic tape clamping device |
| 06/21/1984 | WO1984002422A1 Method for sealing records and tape cassettes |
| 06/21/1984 | WO1984002418A1 Cleaning cassette |
| 06/21/1984 | WO1984002395A1 Coated media for optical recording with acrylic overcoat |
| 06/21/1984 | WO1984002289A1 Coated media for optical recording and associated coating techniques |
| 06/20/1984 | EP0111217A2 Apparatus for disk memory |
| 06/20/1984 | EP0110988A1 Magnetic data storage and drive apparatus |
| 06/19/1984 | US4455642 Case for accommodating a rotary recording medium |
| 06/19/1984 | US4455563 System and film gate for accurately imaging information on a film by a charged particle beam |
| 06/19/1984 | US4455335 High density information disc lubricants |
| 06/19/1984 | US4455001 Tape transport cartridge |
| 06/19/1984 | US4454998 Tape winding guide and centering apparatus and method |
| 06/19/1984 | US4454976 Endless type tape cassette |
| 06/19/1984 | CA1169554A1 Information recording and/or reading system |
| 06/19/1984 | CA1169549A1 Method and apparatus for minimizing non-linear distortion in the recording of a bi-level signal |
| 06/19/1984 | CA1169389A1 Cassette carrier |
| 06/13/1984 | EP0110663A1 Non-duplicable magnetic disk jacket and method of manufacture |
| 06/13/1984 | EP0110511A2 Method and apparatus for authenticating memory disk |
| 06/13/1984 | EP0110266A2 Recording tape cassette |
| 06/13/1984 | EP0110013A1 Reversable video cassette |
| 06/12/1984 | US4454550 Cleaning cartridge assembly for a cassette cleaner |
| 06/12/1984 | US4453785 Modular cabinet for different video game cartridges, cassettes, and instruction booklets |
| 06/12/1984 | US4453683 Magnetic tape cassette arrangements |
| 06/05/1984 | US4453246 Retaining rings for optical disc assemblies |
| 06/05/1984 | US4452480 Record handling device |
| 06/05/1984 | US4452408 Tape cassette |
| 06/05/1984 | US4452407 Tape cassette having a reel braking mechanism |
| 06/05/1984 | US4452406 Leader block for single reel tape cartridge |
| 06/05/1984 | US4452404 Tape reel hub assembly |
| 06/05/1984 | EP0093717A4 Disc cartridge loading mechanism. |
| 06/05/1984 | CA1168753A1 Magnetic tape reel |
| 06/05/1984 | CA1168750A1 Method for cleaning the disc surface and the head support structure in a magnetic disc drive |