| Patents for G11B 17 - Guiding record carriers not specifically of filamentary or web form, or of supports therefor (20,090) |
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| 08/02/1977 | US4040105 Magnetic disk drive unit with flexible skirt |
| 08/02/1977 | US4039194 Automatic record player |
| 06/14/1977 | US4030138 Record protection system |
| 06/14/1977 | US4030136 Flexible disk pack accessing apparatus and method |
| 05/17/1977 | US4024581 Or reading, magnetic discs |
| 05/17/1977 | US4023813 Automatic record changer with cycle delay to facilitate changing of thin, lightweight records |
| 05/10/1977 | US4022478 Push-button video disc hub |
| 05/03/1977 | US4021048 Carrier accessory for use with record discs on phonographs |
| 04/26/1977 | US4020505 Magnetic sheet player with an adjustable inclined magnetic head |
| 04/19/1977 | US4019204 Fluidic transducer access opening in a stack of flexible record disks |
| 04/19/1977 | US4018447 Phonograph turntable |
| 03/22/1977 | US4013296 Phonograph record storage and protection apparatus |
| 03/22/1977 | US4013169 Magnet ring configuration and disc cartridge including magnet ring configuration |
| 03/15/1977 | US4012791 Disk drive apparatus |
| 03/15/1977 | US4012048 Acoustic damping turntable and adapter |
| 03/15/1977 | US4012047 Automatic record changer |
| 03/08/1977 | US4011591 Internal division actuation of ventilated floppy disk stack |
| 03/08/1977 | US4011590 Internal division actuation of ventilated floppy disk stack |
| 03/08/1977 | US4011589 Spindle lock shaft for disk drive media |
| 03/01/1977 | US4009886 Spindle adapter |
| 02/15/1977 | US4008491 Fixed head, direct access storage device |
| 01/25/1977 | US4005493 Method and means for moving recording heads in disc-type recorders |
| 01/25/1977 | US4005490 Magnetic disc memory |
| 01/11/1977 | US4003091 Transducer support and stabilizer |
| 01/11/1977 | US4003088 Lock out tab for magnetic disc envelope |
| 01/11/1977 | US4002826 Playback apparatus, in particular, video player, for playing round records provided with information tracks |
| 01/04/1977 | US4001888 Flexible disc recorder construction |
| 01/04/1977 | US4000906 Two-speed automatic phonograph |
| 12/28/1976 | US4000510 System for storage and retrieval of video information on a cyclical storage device |
| 12/14/1976 | US3997174 Turntable mat |
| 12/14/1976 | US3997172 Record support assembly for a record player |
| 11/30/1976 | USRE29051 Storage and retrieval control apparatus and method |
| 11/23/1976 | US3994017 Random access disk file with axial translation of disks and end plate |
| 11/02/1976 | US3990111 Data storage apparatus employing a flexible magnetic disk |
| 11/02/1976 | US3990109 Multiple flexible record storage disk apparatus having an access arm with enhanced disk stabilizing features |
| 10/26/1976 | US3987900 Jacket for magnetic disc memory |
| 09/14/1976 | US3981025 Container for a disc-shaped recording medium and a drive unit for use therewith |
| 09/14/1976 | US3980810 Device for locally positioning a flexible rotating disc |
| 09/14/1976 | US3980308 Clamping device for a rotatable information-carrying record |
| 08/31/1976 | US3977684 Playback apparatus, in particular a video player |
| 08/24/1976 | US3976301 Record selector mechanism for a phonograph system |
| 08/24/1976 | US3976300 Loader carrier mechanism |
| 08/17/1976 | US3975774 Method and apparatus for loading flexible magnetic recording discs to transducing heads |
| 08/17/1976 | US3975769 Storage device utilizing flexible magnetic disks |
| 08/17/1976 | US3975768 Removable cartridge flexible disc memory apparatus |
| 08/03/1976 | US3973274 Method and apparatus for mounting and positioning magnetic recording heads |
| 08/03/1976 | US3973273 Magnetic disk storage apparatus |
| 08/03/1976 | US3973272 Disc receiver interlock for disc recorders |
| 08/03/1976 | US3973080 Playback device for a disc-shaped record carrier with transducer lifting for changing playback groove for fast, slow or stop effects |
| 07/27/1976 | US3972071 Portable recorder control apparatus |
| 07/20/1976 | US3970317 Apparatus for inhibiting a plurality of disc records from being disposed on a turntable and grounding a disc record disposed on the turntable |
| 07/13/1976 | US3969767 Spacer supports for flexible disk structures |
| 07/13/1976 | US3968972 Self centering hub for flexible recording discs and the like |
| 07/06/1976 | US3967828 Record selector mechanism for a phonograph system |
| 06/29/1976 | US3967320 Arrangement for guiding a rapidly rotating record carrier foil |
| 06/29/1976 | US3966215 Phonograph auto-changer center spindle |
| 06/22/1976 | US3965485 Drive mechanism for a disc-shaped code carrier |
| 06/15/1976 | US3964101 Magnetic recording disc |
| 06/15/1976 | US3964025 Solid state search unit for automatic phonograph |
| 06/15/1976 | US3963863 Device for reading out information recorded upon a substrate |
| 06/08/1976 | US3962688 Optical mass data memory |
| 05/25/1976 | US3959823 Flexible disc receiver using a tray which is withdrawn from a cartridge |
| 04/27/1976 | US3953891 Soundhead restore mechanism for use in a disc machine |
| 04/27/1976 | US3953094 Cabinet configuration for loading disc drive apparatus |
| 04/27/1976 | US3953036 Method of and apparatus for reproducing recorded information |
| 04/20/1976 | US3952170 Miniature apparatus for reproducing sound from a stationary record |
| 04/20/1976 | US3951264 Flexible disc cartridge |
| 04/06/1976 | US3949424 Guide member for use with a magnetic head of a ticket issuing machine |
| 03/30/1976 | US3947893 Recording cassette including compliant magnetic recording disc having flexible support means |
| 03/30/1976 | US3947888 Hydrodynamic bearing head providing constant spacing |
| 03/30/1976 | US3947886 Flexible disc recording apparatus |
| 03/30/1976 | US3947885 Restraint device for buckling a flexible magnetic disk stack upon partitioning |
| 03/30/1976 | US3947043 Recordsplayers |
| 03/02/1976 | US3941391 Record disk loading system |
| 02/24/1976 | US3940794 Stacked flexible record disk storage apparatus having enhanced disk separation |
| 02/24/1976 | US3940793 Disk positioning means for a flexible magnetic disk drive apparatus |
| 02/24/1976 | US3940147 Modular disc eject apparatus for use as an output hopper and cartridge holder in dictation and transcription systems |
| 02/17/1976 | US3938810 Center hole formation in an information storing disc |
| 02/10/1976 | US3938192 Method of manufacturing a spindle assembly for a disc drive |
| 02/03/1976 | US3936881 Air damped head suspension |
| 02/03/1976 | US3936880 Bistable deflection separation of flexible disks |
| 02/03/1976 | US3936878 Disc interface location |
| 02/03/1976 | US3936056 Brake mechanism |
| 01/20/1976 | US3934080 Apparatus for reading a disk-shaped record carrier to be played on a turntable |
| 01/13/1976 | US3932895 Reversible magnetic recording disk unit |
| 01/13/1976 | US3932710 Record disc foil support system with charge leakage means |
| 01/06/1976 | US3931645 Flexible disk storage apparatus having disks of various radii for enhancing axial disk location |
| 01/06/1976 | US3931644 Jacket for a magnetic disk recording assembly |
| 01/06/1976 | US3931640 Automatic flexible record feeding device |
| 01/06/1976 | US3931457 Information carrier having addressed information tracks |