| 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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| 10/23/1985 | EP0159305A2 A method of documentating an inventory, and a sealing mechanism for use therewith |
| 10/23/1985 | EP0159090A1 Equipment which enables the words inscribed on a compact disc to be read while the disc is being played |
| 10/23/1985 | EP0159075A1 Video tape cassette |
| 10/23/1985 | EP0158675A1 Warp resistant-dimensionally stable jacket for magnetic recording disk |
| 10/22/1985 | US4549240 Write protection device |
| 10/22/1985 | US4549238 Removing titanium carbide from surface |
| 10/22/1985 | US4549232 For a disk file |
| 10/22/1985 | US4549095 Control circuit for switching inductive loads |
| 10/22/1985 | US4548739 High density information records made of conductive resin compositions comprising a specifically-treated vinyl chloride-base resin |
| 10/22/1985 | CA1195774A1 Metronome cartridge |
| 10/22/1985 | CA1195772A1 Cassette for cleaning driving and recording elements of a tape recorder |
| 10/16/1985 | EP0158359A2 Disc case |
| 10/16/1985 | EP0158169A1 Tape cartridge |
| 10/15/1985 | US4546936 Magnetic tape cassette casing |
| 10/08/1985 | US4546465 Optical disc assembly retaining rings |
| 10/08/1985 | US4546397 Flexible magnetic disc cassette |
| 10/08/1985 | US4546242 Method for protecting against the re-transfer of uniquely recorded information on a data carrier and apparatus for recording and/or reading re-transfer-protected information |
| 10/08/1985 | US4545550 Tape reel mounting and coupling for a magnetic-tape cassette |
| 10/08/1985 | US4545500 Magnetic tape cassette |
| 10/08/1985 | US4545483 Casing for a magnetic tape cassette |
| 10/08/1985 | CA1194995A1 Tape cassette |
| 10/08/1985 | CA1194994A1 Tape cassette |
| 10/02/1985 | EP0156723A1 Device for driving a magnetic tape by pinching, and its use |
| 10/02/1985 | EP0156568A1 Cleaning apparatus for a video unit |
| 10/02/1985 | EP0156443A2 Cover for a magnetic tape cassette apparatus |
| 10/02/1985 | EP0156372A2 Process for producing plastic information-recording medium and resin composition used therefor |
| 10/02/1985 | EP0156040A2 A method and apparatus for recording on a movable recording medium by using a light beam, and the medium for such a recording |
| 10/01/1985 | US4545047 Centering device for interchangeable disk |
| 10/01/1985 | US4544977 Magnetic disc device |
| 10/01/1985 | US4544976 Pad provided in the interior of a videotape cassette |
| 10/01/1985 | US4544975 Pad assembly for tape cassette |
| 10/01/1985 | US4544970 Adapter for a miniature type tape cassette |
| 10/01/1985 | US4544213 Diskette filing and storage container |
| 10/01/1985 | US4544062 Magnetic recording tape cartridge |
| 10/01/1985 | CA1194596A1 Vtr tape cassette |
| 09/25/1985 | EP0155601A2 Four-angled container for holding four-angled disc, audio tape or video tape cassettes |
| 09/24/1985 | US4543619 Magnetic disk cartridge and disk drive |
| 09/24/1985 | US4543307 Optical data storage and recording media having recording surface protection |
| 09/24/1985 | US4542663 Reel hub assembly for tape transport |
| 09/24/1985 | CA1194227A1 Magnetic-tape cassette |
| 09/24/1985 | CA1194226A1 Magnetic-tape cassette |
| 09/24/1985 | CA1194225A2 Tape system with optically contrasting data marks |
| 09/24/1985 | CA1194223A1 Apparatus for reproducing information from a track of a magnetic record carrier |
| 09/18/1985 | EP0155258A1 Device for holding rigid flat objects |
| 09/18/1985 | EP0155090A1 Stretched surface recording disk substrate |
| 09/17/1985 | US4542495 Hermetically sealed disk cartridge with adjustable optical window |
| 09/17/1985 | US4542426 Flexible hub for removable disk |
| 09/17/1985 | US4541588 Recording tape cartridge |
| 09/17/1985 | US4541587 Hub for magnetic tape cassettes, especially compact cassettes, and magnetic tape cassette possessing one or more such hubs |
| 09/17/1985 | US4541581 Dusttight tape cassette |
| 09/17/1985 | CA1193720A1 Magnetic cassette with elastic tensioning belt |
| 09/17/1985 | CA1193719A1 Cassette adapter |
| 09/12/1985 | WO1985004041A1 Reel for open reel type tape cassettes |
| 09/10/1985 | US4541028 Hand-held transducing device for insertable records |
| 09/10/1985 | US4541024 Magnetic-tape guide arrangement for a cassette and a magnetic-tape cassette apparatus |
| 09/10/1985 | US4540133 Tape reel and method |
| 09/10/1985 | US4540132 Apparatus for winding video tape on reels of a cassette |
| 09/10/1985 | US4540090 Cassette storage container |
| 09/04/1985 | EP0153742A1 An apparatus for manufacturing a jacket case for disc |
| 09/04/1985 | EP0153602A2 Introduction of commands to a microprocessor-controlled video recorder |
| 09/04/1985 | EP0153585A1 Tape cassette and cassette recorder using the same |
| 09/04/1985 | EP0153524A1 Diagnostic record |
| 09/03/1985 | US4539573 Protective construction for optical disk units |
| 09/03/1985 | US4539227 Method of making a metallic soap layer as a gliding layer on a metallized record carrier |
| 09/03/1985 | US4539220 Method of manufacturing reinforced flexible disks |
| 09/03/1985 | US4539079 Controlled radial thickness distribution |
| 09/03/1985 | US4538729 Recording media storage apparatus and technique |
| 09/03/1985 | CA1193006A1 Disc cassette (disc cartridge) |
| 08/28/1985 | EP0153137A2 Tape cassette for short-time recording |
| 08/28/1985 | EP0153085A1 Spring mechanism for lid of video cassette |
| 08/28/1985 | EP0153084A1 Cassette removable piece |
| 08/28/1985 | EP0152693A1 Magnetic tape cassettes |
| 08/28/1985 | EP0152641A1 Apparatus for filling a cassette with a length of magnetic tape |
| 08/27/1985 | US4538258 Record |
| 08/27/1985 | US4537670 Apparatus for making a stamping master for video disk replication |
| 08/27/1985 | US4537367 High speed bidirectional magnetic tape transport with constant tension |
| 08/21/1985 | EP0152266A1 Rotary drive apparatus for a disc |
| 08/21/1985 | EP0152128A1 Magnetic-tape cassette |
| 08/21/1985 | EP0151649A1 Tape cassette |
| 08/20/1985 | US4536867 Self-centering disc |
| 08/20/1985 | US4536813 Magnetic disc recording and/or reproducing apparatus |
| 08/20/1985 | US4536812 Magnetic disk cartridge |
| 08/20/1985 | US4536811 Cassette tape player having supply and take-up motors positioned vertically above a cassette receiving mechanism |
| 08/20/1985 | US4536810 Adapter for a miniature type tape cassette |
| 08/20/1985 | US4535888 Storage cassette for two or more disk-shaped high memory density information carriers |
| 08/20/1985 | CA1192304A1 Flexible disc recording and/or reproducing apparatus |
| 08/20/1985 | CA1192032A1 Floppy disc liner |
| 08/15/1985 | WO1985003593A1 Storage device for a disk stack of a magnetic disk memory |
| 08/14/1985 | EP0151260A1 Magnetic disc memory comprising a stack of discs with double sided bearing within a partially resilient casing |
| 08/14/1985 | EP0151259A1 Magnetic disc memory with two-sided bearing for a stack of disc biased by a membrane spring |
| 08/14/1985 | EP0151258A1 Divided housing with peripheral ring seal for magnetic disc memory |
| 08/14/1985 | EP0151256A1 Housing for magnetic disc memory with two sided bearing for the disc stack |
| 08/14/1985 | EP0151210A1 Tape cassette with separate tape guide |
| 08/13/1985 | US4535434 Optical disc and disc drive mechanism |
| 08/13/1985 | US4535433 Apparatus for playing back rotating recording mediums |
| 08/13/1985 | US4535373 Labyrinth seal in disk storage drive |
| 08/13/1985 | US4535370 Magnetic tape reel write protect mechanism |
| 08/13/1985 | US4534523 Tape guidance for belt driven cartridge |
| 08/13/1985 | US4534215 Tape tension measuring device |
| 08/13/1985 | CA1191948A1 Magnetic disk cartridge having record track indicating means |