| 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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| 11/08/1983 | US4414591 Dual access flexible disk drive |
| 11/08/1983 | US4413919 Ribbon loading system for printers |
| 11/08/1983 | US4413732 Cassette and adapter combination |
| 11/08/1983 | CA1156727A1 Method and apparatus for monitoring and controlling a resistance welding operation |
| 11/02/1983 | EP0092666A1 Magnetic tape cassette case |
| 11/01/1983 | US4413333 Rotary recording medium reproducing apparatus |
| 11/01/1983 | US4413299 State indicating device in a rotary recording medium reproducing apparatus |
| 11/01/1983 | US4413298 Diskette jacket |
| 11/01/1983 | US4413034 Record handler |
| 11/01/1983 | US4412663 Magnetic tape cassette comprising an indexing device for the unwinding of the tape |
| 11/01/1983 | CA1156367A1 Container for holding at least one recording disk and disk playing system |
| 11/01/1983 | CA1156360A1 Video disc apparatus for clearing foreign matter from the signal pickup stylus during playback |
| 10/26/1983 | EP0092373A1 Cassette and cassette adapter for use therewith |
| 10/26/1983 | EP0092325A1 Recording disc |
| 10/26/1983 | EP0091987A1 Manually operated conditioner for flexible magnetic disks |
| 10/25/1983 | US4412263 Recording head protective overlay and cleaning arrangement |
| 10/25/1983 | US4412261 Magnetic disk memory device |
| 10/25/1983 | US4412260 Cartridge receiver mechanism |
| 10/25/1983 | US4412165 Sampled servo position control system |
| 10/25/1983 | US4411945 Multilayer,laminated high density polyethylene |
| 10/25/1983 | US4411943 Friction sheet |
| 10/25/1983 | US4411481 Holder for audio/video cassettes, games cartridges and storage cases |
| 10/25/1983 | CA1155954A1 Recording diskette having flocked-fiber wiping fabric |
| 10/18/1983 | US4410973 Rotary recording medium reproducing apparatus having a switch mechanism for detecting return of a jacket opening enlarging mechanism |
| 10/18/1983 | US4410972 Rotary recording medium reproducing apparatus having a jacket opening enlarging device |
| 10/18/1983 | US4410921 Apparatus for reproducing information signals from a disc-shaped recording medium and including a mechanism for pushing back a case for accommodating the recording medium therein |
| 10/18/1983 | US4410149 Transport apparatus for use with a linear tape recorder |
| 10/18/1983 | US4410087 Tape cassette storage box |
| 10/18/1983 | CA1155545A1 Apparatus for controlling the motion of a moving tape |
| 10/18/1983 | CA1155544A1 Pressure device for flexible recording media, especially media contained in cartridges |
| 10/12/1983 | EP0091295A1 Adapter for a tape recorder |
| 10/12/1983 | EP0091171A1 Magnetic-tape cassette |
| 10/11/1983 | US4409630 Information signal recording and/or reproducing apparatus and a recording jacket for use therewith |
| 10/11/1983 | US4408733 Magnetic tape cassette |
| 10/05/1983 | EP0090573A1 Tape cassette |
| 10/05/1983 | EP0090509A2 Cassette roller guide |
| 10/05/1983 | EP0090149A1 Leader block in a single reel magnetic tape catridge |
| 10/05/1983 | EP0090086A1 Single reel magnetic tape cartridge |
| 10/05/1983 | EP0090055A1 Ceramic magnetic head slider |
| 10/05/1983 | EP0090039A1 Tape cleaning apparatus |
| 10/04/1983 | US4408321 Disc-shaped recording medium reproducing apparatus |
| 10/04/1983 | US4408320 Spacer for use in testing information recorded discs |
| 10/04/1983 | US4408316 Rotary recording medium reproducing apparatus having a jacket opening enlarging device |
| 10/04/1983 | US4408243 Tape cleaner |
| 10/04/1983 | US4408242 Magnetic recording member for automatic embroidering machine |
| 10/04/1983 | US4407880 Substrate of member for recording information with light and method of manufacturing the same |
| 10/04/1983 | US4407412 Plastics spool container for magnetic tapes |
| 10/04/1983 | US4407411 Storage box |
| 10/04/1983 | US4407410 Book type cassette holder and method of making same |
| 10/04/1983 | CA1154865A1 Video track transfer system and method |
| 10/04/1983 | CA1154732A1 Tape cassette |
| 09/29/1983 | WO1983003321A1 Security marking video tape recordings |
| 09/28/1983 | EP0089865A1 Cassette with regulated-speed elastic belt |
| 09/28/1983 | EP0089775A1 Method for manufacturing optical type recording medium |
| 09/28/1983 | EP0089546A2 Storage unit for tape cassettes or the like, in particular for use in vehicles |
| 09/28/1983 | EP0089451A1 Method of cleaning magnetic record disks |
| 09/27/1983 | US4406426 Secrecy-coded cassette |
| 09/27/1983 | US4406369 Tape cassette holder |
| 09/27/1983 | CA1154534A1 Replicable optical recording medium |
| 09/27/1983 | CA1154533A1 Replicable optical recording medium |
| 09/27/1983 | CA1154531A1 Record side identification apparatus for video disc player |
| 09/27/1983 | CA1154529A1 Video disc caddy |
| 09/27/1983 | CA1154528A1 Fixed hard disc drive assembly and clean air system |
| 09/20/1983 | US4405541 Video disc processing |
| 09/20/1983 | US4405136 Pneumatic cartridge seal for computer disc drive cartridge |
| 09/20/1983 | US4405098 Extended play cassette |
| 09/20/1983 | US4405097 Cassette with a slack limiter tab |
| 09/20/1983 | US4405096 Magnetic tape cassette |
| 09/20/1983 | US4405095 Magnetic tape shifting device |
| 09/20/1983 | US4405093 Endless tape travelling device |
| 09/20/1983 | CA1154161A1 Case provided with a conveying means for conveying tape-like information carrier as well as an apparatus for writing, reading or erasing information to be utilized in combinationwith such a case |
| 09/14/1983 | EP0088472A1 Magnetic-tape cassette |
| 09/14/1983 | EP0088438A1 Recording tape cartridge |
| 09/14/1983 | EP0088437A1 Recording tape cartridge |
| 09/13/1983 | US4404245 Protective sheet for cassette holding magnetic recording tape |
| 09/13/1983 | US4403880 Record cleaner/conditioner |
| 09/13/1983 | US4403749 Tape reel |
| 09/13/1983 | US4403369 Internal caddy cleaning apparatus |
| 09/13/1983 | CA1153703A1 Rotary recording medium reproducing apparatus having a lid member guiding mechanism |
| 09/07/1983 | EP0087913A2 A tape cassette |
| 09/07/1983 | EP0087765A2 Case for receiving at least one cassette, in particular a video cassette |
| 09/06/1983 | US4402405 Pictorial phonorecord mat |
| 09/06/1983 | CA1153467A1 Tape reel hub including a cantilever beam section to reduce tape "tenting" |
| 09/06/1983 | CA1153466A1 Magnetic disk-jacket assembly |
| 08/31/1983 | EP0086892A1 Heat-sealable package blank for a video tape cassette or the like |
| 08/31/1983 | EP0086787A1 Support-plate for a sound tape cassette intended to be preserved in a casing |
| 08/30/1983 | US4402019 Magnetic recording/reproducing apparatus |
| 08/30/1983 | US4401220 Cassette tape case |
| 08/30/1983 | US4401216 Media storage device |
| 08/30/1983 | US4400846 Tape cleaning apparatus |
| 08/30/1983 | CA1152941A1 Process for making discs |
| 08/24/1983 | EP0086682A1 Disk memory with a removable magnetic disk cartridge and magnetic disk cartridge |
| 08/24/1983 | EP0086625A1 Tape cassette |
| 08/24/1983 | EP0086542A1 Book storage system |
| 08/24/1983 | EP0086484A1 Storage box for disc-shaped information carriers with a high recording density |
| 08/24/1983 | EP0086395A2 Disk drive |
| 08/24/1983 | EP0086394A1 Single reel tape cartridges |
| 08/24/1983 | EP0086275A1 Storage container for magnetic-tape cassettes or other recording media |
| 08/23/1983 | US4400753 Universal magnetic recording disk cartridge |
| 08/23/1983 | US4400748 Flexible magnetic disk drive using a rigid cartridge |