| Patents for G11B 17 - Guiding record carriers not specifically of filamentary or web form, or of supports therefor (20,090) |
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| 08/07/1984 | US4464693 Snap-action cartridge for recording disc |
| 08/07/1984 | US4464689 Random access read/write unit |
| 08/07/1984 | US4464670 Optical disk mounting means for write/read apparatus |
| 07/31/1984 | US4462742 for gripping a magnetic storage disk |
| 07/24/1984 | US4462036 Optical disc assemblies for optical disc write/read apparatus |
| 07/10/1984 | CA1170765A1 Transducer displacement apparatus for video disc player |
| 07/05/1984 | WO1984002601A1 Method and apparatus for handling magnetic recording disks |
| 07/03/1984 | US4458278 Disk-centering mechanism for use with a high-density flexible disk |
| 07/03/1984 | US4458277 Spacers for end-wise pneumatic partitioned disk pack |
| 06/26/1984 | US4456936 Cantilevered transducer carriage |
| 06/26/1984 | US4456935 Information recording apparatus with a disc loaded in a cassette |
| 06/20/1984 | EP0111217A2 Apparatus for disk memory |
| 06/19/1984 | US4455637 Disc record player with automatic loading/unloading assembly |
| 06/19/1984 | CA1169554A1 Information recording and/or reading system |
| 06/19/1984 | CA1169480A1 Charge process with a carbon fiber brush electrode |
| 06/13/1984 | EP0110323A1 Disk drive |
| 06/12/1984 | US4454599 Apparatus for reproducing signals from a disc |
| 06/12/1984 | CA1169147A1 Vending ordering terminal |
| 06/05/1984 | US4453240 Video disc player having caddy overtravel mechanism |
| 06/05/1984 | US4453188 Disk drive |
| 06/05/1984 | EP0093717A4 Disc cartridge loading mechanism. |
| 06/05/1984 | CA1168752A1 Carriage loading arm assembly having two magnetic transducers for a double sided floppy disc |
| 06/05/1984 | CA1168750A1 Method for cleaning the disc surface and the head support structure in a magnetic disc drive |
| 05/30/1984 | EP0109711A2 Record-disc player |
| 05/30/1984 | EP0109710A1 Loading device for a recording and/or playback apparatus |
| 05/30/1984 | EP0109668A2 Door slide mechanism for a disk cartridge |
| 05/29/1984 | US4451912 Record extraction mechanism for disc player |
| 05/29/1984 | US4451836 Optical disc write/read apparatus |
| 05/23/1984 | EP0108749A1 Access door latch and interlock mechanism |
| 05/22/1984 | US4450549 Compact bookshelf type record player |
| 05/16/1984 | EP0108579A2 Magnetic disk cartridge |
| 05/15/1984 | US4449198 Device for interactive video playback |
| 05/15/1984 | US4449155 Gimbal assembly for flying magnetic transducer heads |
| 05/15/1984 | US4449139 Optical disc unit, fabrication method and cooperating write and/or read apparatus |
| 05/15/1984 | CA1167566A1 Video disc player having carriage drive apparatus |
| 05/08/1984 | US4447900 Automatic video disc inverting mechanism |
| 05/08/1984 | US4447899 Optical disc method, media and apparatus for writing and/or reading information |
| 04/25/1984 | EP0106570A1 Memory disc drive |
| 04/24/1984 | US4445187 Video games with voice dialog |
| 04/24/1984 | US4445157 Flexible magnetic disk cassette |
| 04/24/1984 | US4445156 Floppy disc drive unit |
| 04/24/1984 | US4445155 Flexible magnetic disk cassette and a recording and/or reproducing apparatus for the same |
| 04/24/1984 | US4445144 Method for detecting eccentricity in a video disc and in a video disc player |
| 04/17/1984 | US4443872 Video disc player having caddy lockout mechanism |
| 04/17/1984 | CA1165909A1 Vending machine |
| 04/12/1984 | WO1984001466A1 Magnetic record/playback head positioning apparatus |
| 04/12/1984 | WO1984001462A1 A mechanism for clamping and spinning a flexible disk |
| 04/10/1984 | CA1165437A1 Case for a rotary recording medium |
| 04/04/1984 | EP0104914A1 Recording and/or reproducing apparatus for discs |
| 03/28/1984 | EP0103935A1 Method and device for balancing circular plate-shaped objects |
| 03/27/1984 | US4439852 Disc player having record handling apparatus |
| 03/27/1984 | US4439851 Turntable lifting apparatus of a video disc player |
| 03/27/1984 | US4439850 Record player |
| 03/27/1984 | US4438542 Disk storage drive |
| 03/27/1984 | CA1164581A1 Time reversal imaging apparatus for displaying x-ray images or the like |
| 03/21/1984 | EP0103402A1 Apparatus for playing a record disc |
| 03/20/1984 | US4438510 Disk player system having a disk sucking function |
| 03/20/1984 | US4438213 Magnetic head slider material and method for producing the same |
| 03/13/1984 | US4437178 Record player |
| 03/13/1984 | US4437132 Flexible magnetic disk device |
| 03/06/1984 | US4435800 Automatic record player |
| 03/06/1984 | US4435799 Disc record player having shutoff switch actuating apparatus |
| 03/06/1984 | CA1163366A1 Disc player having disc stabilizing apparatus |
| 03/06/1984 | CA1163204A1 Reproducing apparatus for records provided with information |
| 02/29/1984 | EP0101616A2 Magnetic head shifting means for flexible disk memory system |
| 02/28/1984 | US4434484 Stabilizer for record discs |
| 02/28/1984 | US4434480 Automatic loading apparatus |
| 02/22/1984 | EP0101011A2 Recording disc cartridge |
| 02/21/1984 | US4433410 Protective cartridge for optical discs |
| 02/21/1984 | US4433406 Rotary recording medium clamping mechanism |
| 02/21/1984 | US4433405 Rotary recording medium reproducing apparatus having a mechanism for connecting a lid member to a jacket |
| 02/21/1984 | US4433352 Device for recording and/or reading binary data on both faces of a flexible magnetic disk |
| 02/21/1984 | CA1162488A1 Record playing apparatus |
| 02/21/1984 | CA1162486A1 Record changer |
| 02/21/1984 | CA1162485A1 Automatic eject apparatus for a self-contained record player |
| 02/14/1984 | US4432086 Turntable apparatus for video disc player |
| 02/14/1984 | US4432084 Apparatus for reproducing signals from a disc |
| 02/14/1984 | CA1162299A1 Magnetic disk assembly, cartridge for same and recording/reproducing apparatus for use |
| 02/08/1984 | EP0100284A2 Piezoelectric bearing element |
| 02/08/1984 | EP0100191A2 Floppy disks with enlarged partition-holes |
| 02/07/1984 | US4430678 Drive apparatus for recording disks in which the disk is clamped between a driven recessed member and a rotatably mounted clamping member |
| 02/07/1984 | CA1161952A1 Carriage reset apparatus for disc record player |
| 02/07/1984 | CA1161949A1 Dual access flexible disk drive |
| 02/07/1984 | CA1161948A1 Spindle retracting mechanism for disc record player |
| 01/31/1984 | US4429381 Sound reproducing device |
| 01/31/1984 | US4429377 Rotary recording medium reproducing apparatus having a jacket opening enlarging device |
| 01/31/1984 | CA1161556A1 Device for interactive video playback |
| 01/25/1984 | EP0099005A1 Magnetic disc apparatus |
| 01/25/1984 | EP0098921A2 Magnetic head device |
| 01/24/1984 | US4428074 High-speed search system in a rotary recording medium reproducing apparatus |
| 01/24/1984 | US4428014 Case for a rotary recording medium |
| 01/24/1984 | US4428013 Device for gripping a magnetic disk cartridge |
| 01/17/1984 | US4426695 Disc reproducing apparatus |
| 01/17/1984 | US4426693 Light source intensity control in an optical recording and reproducing apparatus |
| 01/17/1984 | US4426692 Rotary recording medium having an improved three frequency pickup tracking control and reproducing apparatus therefor |
| 01/10/1984 | US4425592 Jet distributor for end-wise pneumatic partitioning of disk pack |
| 01/10/1984 | US4425098 Sound-illustrated, bound book |
| 01/04/1984 | EP0097363A1 Rotary disk |
| 01/03/1984 | CA1159952A1 Reversible cartridge for flexible disks |
| 12/27/1983 | US4423503 Magnetically recordable label for mechanically-defined information bearing discs |