| Patents for G11B 17 - Guiding record carriers not specifically of filamentary or web form, or of supports therefor (20,090) |
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| 01/15/1980 | CA1070014A1 Playback apparatus, in particular a video player |
| 01/08/1980 | US4183069 Support apparatus for a flexible disc and disc reader using this support apparatus |
| 01/01/1980 | US4181817 High bit rate digital data signal transmission system |
| 12/27/1979 | WO1979001162A1 Device for attaching disk-like recording medium |
| 12/25/1979 | US4180802 Random autoplay |
| 12/25/1979 | US4180701 Phase lock loop for data decoder clock generator |
| 12/25/1979 | CA1068816A Interchangeable information storage element |
| 12/18/1979 | US4179718 Flexible magnetic recording disc drive with interlock to protect recording disc cartridge |
| 12/18/1979 | CA1068400A1 Stacked flexible disk structures |
| 12/18/1979 | CA1068398A1 Bistable deflection separation of flexible disks |
| 12/04/1979 | US4177491 Clamping device for disk-shaped memory sheets |
| 12/04/1979 | US4176846 Actuating mechanism for a record changer with a stacking spindle |
| 11/20/1979 | US4175275 R/W Arm that prevents catastrophic failure |
| 11/20/1979 | US4175274 Recording system with flexible magnetic recording disc |
| 11/13/1979 | CA1066409A1 Internal division actuation of ventilated floppy disk stack |
| 11/13/1979 | CA1066408A1 Internal division actuation of ventilated floppy disk stack |
| 11/06/1979 | US4173427 Gripping device for magnetic diskettes |
| 10/30/1979 | CA1065480A1 Magnetic sheet player for audiovisual teaching purposes |
| 10/17/1979 | EP0004738A1 Video disc player |
| 10/16/1979 | US4171531 Device for centering and driving flexible discs |
| 10/09/1979 | US4170359 Gramophone equipment |
| 10/09/1979 | CA1064160A1 Actuator for a disc drive apparatus |
| 10/02/1979 | US4170031 Loading mechanism for magnetic diskettes |
| 10/02/1979 | US4170030 Drive machine moving magnetic disks only partially therein for data transfer |
| 09/25/1979 | US4168835 Device for loading a recording disc in a recording reproducing apparatus |
| 09/18/1979 | US4168069 Stacking spindle for a phonograph record changer |
| 09/11/1979 | US4167766 Flexible disk transducer loading and unloading system |
| 09/11/1979 | US4167269 Flexible record disk signal storage apparatus |
| 09/11/1979 | CA1062368A1 Apparatus for mounting and positioning magnetic recording heads |
| 09/04/1979 | US4167029 Jet distributor for end-wise pneumatic partitioning of disk pack |
| 09/04/1979 | US4166970 Apparatus and method for shifting a head movable relative to a carrier for recorded information |
| 09/04/1979 | US4166622 Centering collar for a disk hub |
| 09/04/1979 | US4166621 Programmable record changer |
| 09/04/1979 | CA1061901A1 Apparatus for recording and/or playing back signals on and/or from a record carrier contained in a cassette |
| 08/28/1979 | CA1061465A1 Video disc player |
| 08/28/1979 | CA1061463A1 Multiple flexible record disk apparatus having an access arm with enhanced disk stabilizing features |
| 08/28/1979 | CA1061462A1 Random access disk file with axial translation of disks and end plate |
| 08/14/1979 | US4164782 Locking mechanism for record package |
| 08/14/1979 | US4164768 Dual stage flow controller for self-ventilating disk pack |
| 08/14/1979 | US4164767 Mass storage device |
| 08/14/1979 | US4164075 Phonograph record eccentricity tester |
| 08/07/1979 | US4163499 Cassette unloader |
| 07/31/1979 | US4163267 Flying head with compound-foil |
| 07/31/1979 | CA1059620A1 Apparatus for reading a disk-shaped record carrier to be placed on a turntable |
| 07/24/1979 | CA1059035A1 Miniature apparatus for reproducing sound from a stationary record |
| 07/17/1979 | US4161753 Video recording disk with interlacing of data for frames on the same track |
| 07/10/1979 | US4161003 Device for holding a rotatable record disc |
| 07/10/1979 | CA1058091A1 Record player with automatic record centering |
| 07/03/1979 | US4159827 Video disc package |
| 07/03/1979 | CA1057852A1 Clamping device for a rotatable information-carrying record |
| 06/26/1979 | US4159494 Flexible disk in reversible cartridge |
| 06/19/1979 | US4158867 Video disc player |
| 06/19/1979 | US4158450 Mounting of parts on a chassis or base plate |
| 06/12/1979 | CA1056500A1 Read/write machine for magnetic striped document card |
| 06/12/1979 | CA1056499A1 Data storage apparatus employing a flexible magnetic disk |
| 06/05/1979 | CA1056056A1 Multiple flexible disk file |
| 05/01/1979 | US4152740 Magnetic disc recorder and cassette |
| 05/01/1979 | US4152739 Disk pack cartridge opening and partitioning apparatus |
| 05/01/1979 | CA1053795A2 Disc interface location |
| 04/24/1979 | US4151573 Magnetic recording device for double sided media |
| 04/24/1979 | US4151572 Sound recording and reproducing apparatus, and record containing case and recording medium |
| 04/24/1979 | US4150831 Toy record player |
| 04/24/1979 | CA1053351A1 Electronic phonograph selector and memory system |
| 04/17/1979 | US4149729 Disc caddy and disc player system therefor |
| 04/10/1979 | US4149207 Cartridge and flexible magnetic disk assembly |
| 04/10/1979 | US4148491 Phonograph record adapter |
| 04/03/1979 | US4148084 Flexible disk pack, related storage apparatus having disks with circumferential tab segments and associated partition means |
| 03/27/1979 | US4146912 Disk interlock mechanism |
| 03/27/1979 | US4146910 Combined speed control and sectoring index for disc recorders and the like |
| 03/27/1979 | CA1051354A1 Apparatus for inhibiting a plurality of disc records from being disposed on a turntable and grounding a disc record disposed on the turntable |
| 03/27/1979 | CA1051353A1 Spindle depress/brake mechanism |
| 03/20/1979 | US4145726 Video record package |
| 03/20/1979 | US4145704 Television subcarrier phase correction for color field sequencing |
| 03/20/1979 | US4145056 Record catcher |
| 03/06/1979 | US4143408 External selector and internal controller for flexible disc stack |
| 03/06/1979 | US4143396 Digital chrominance separating and processing system and method |
| 03/06/1979 | US4142730 Loading and unloading mechanism for record disk apparatus |
| 03/06/1979 | CA1050163A1 Reading head for video disc player |
| 03/06/1979 | CA1049933A1 Loader carrier mechanism |
| 03/06/1979 | CA1049932A1 Soundhead restore mechanism |
| 02/27/1979 | US4142209 Disc track servo system |
| 02/20/1979 | US4141049 Loading mechanism for negative pressure sliders |
| 02/13/1979 | US4139876 Record ejecting and positioning assembly |
| 02/13/1979 | US4139875 Cassette and card recording and/or reproducing apparatus |
| 02/06/1979 | US4138741 Disc eccentricity compensating system |
| 02/06/1979 | US4138703 Video disc package |
| 02/06/1979 | US4138663 Optical reader for information discs equipped with means for automatic access to the information |
| 01/23/1979 | US4136369 Disc recorder with lead screw drive |
| 01/23/1979 | US4136368 Through-partitioning of portable flexible disk pack and associated apparatus |
| 01/10/1979 | EP0000139A2 Unloader for an X-ray film-holding casette |
| 01/09/1979 | US4134144 Cartridge for multi-disk pack |
| 01/09/1979 | US4134143 Apparatus for driving and controlling a partitionable flexible disk pack |
| 01/09/1979 | US4133540 Record handling system for a video disc player |
| 12/26/1978 | US4131199 Record disk cartridge |
| 12/19/1978 | US4129937 Method of making grounded transducer for magnetic record disks |
| 12/12/1978 | US4129891 Double partitioning of flexible disk pack and associated apparatus |
| 12/12/1978 | CA1044155A1 Turntable mat |
| 12/12/1978 | CA1044153A1 Command disc control for automatic record players |
| 11/28/1978 | US4127882 Change-over mechanism for recording media, especially for floppy disks |
| 11/21/1978 | CA1043010A1 Data storage mechanism having a flexible magnetic disk |