| Patents for G11B 19 - Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function (26,229) |
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| 11/05/1985 | US4551661 Driving apparatus for a recording medium |
| 10/29/1985 | US4550347 Method for recording information on a recording disc |
| 10/16/1985 | EP0158067A1 Optical disc device |
| 10/15/1985 | US4547820 Floppy disk drive apparatus |
| 10/09/1985 | EP0156960A2 Disc, tape and hybrid disc-tape memory apparatus and drive assembly |
| 10/08/1985 | US4546462 Optical data recording and reproducing apparatus |
| 10/08/1985 | US4546461 Method for recording information on a recording disc |
| 10/08/1985 | US4546397 Flexible magnetic disc cassette |
| 10/08/1985 | US4546390 Combination still and motion picture electronic camera/recorder |
| 10/08/1985 | CA1194996A1 Disc reproducing system for compensating mechanical imperfections |
| 10/02/1985 | EP0155970A1 Apparatus for reproducing audio signal |
| 10/01/1985 | US4544957 Time base correction apparatus |
| 10/01/1985 | CA1194427A1 Device for loading and ejecting a disc in a disc player |
| 09/26/1985 | WO1985004277A1 Magnetic recording/reproducing apparatus |
| 09/24/1985 | US4543650 Servo system including velocity and phase servo circuits for digital audio record disc reproducing apparatus |
| 09/24/1985 | US4543621 Spiral track disk drive |
| 09/17/1985 | US4542429 Apparatus for reducing starting adhesion between a magnetic disc and flying head |
| 09/17/1985 | US4542423 Rotation control device for information recording disc |
| 09/17/1985 | US4542388 Light or heat output stabilizing system |
| 09/11/1985 | EP0154389A1 Optical recording apparatus |
| 09/11/1985 | EP0154005A2 Twin track vertical read-write head structure |
| 09/04/1985 | EP0153410A1 Apparatus for recording and reproducing signal |
| 09/03/1985 | US4539711 Tuning control system for a pair of tuners employing a common channel skip memory |
| 09/03/1985 | US4539670 Automatic disc loading apparatus |
| 09/03/1985 | US4539668 Device for loading and ejecting a disc in a disc player |
| 09/03/1985 | US4539667 Disc players |
| 09/03/1985 | US4539666 Apparatus for controlling rotation of a record disk at a constant linear velocity |
| 09/03/1985 | US4539612 Spindle bearing assembly for disk drive unit |
| 09/03/1985 | US4539611 Drive motor for shallow disk drive assembly |
| 08/21/1985 | EP0152245A2 Optical disk control apparatus |
| 08/21/1985 | EP0152071A2 Data transfer apparatus with a disklike record medium, and a method of operation therefor |
| 08/21/1985 | EP0152070A2 Data transfer apparatus with a disklike record medium, and a method of operation therefor |
| 08/20/1985 | US4536865 Bookshelf type record player |
| 08/20/1985 | US4536864 Apparatus for reading an optically coded disc-shaped record carrier |
| 08/20/1985 | US4536812 Magnetic disk cartridge |
| 08/20/1985 | CA1192305A1 Servo system including velocity and phase servo circuits for digital audio record disc reproducing apparatus |
| 08/20/1985 | CA1192304A1 Flexible disc recording and/or reproducing apparatus |
| 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 |
| 08/13/1985 | US4535438 Turntable platter for record players |
| 08/13/1985 | US4535434 Optical disc and disc drive mechanism |
| 08/13/1985 | US4535373 Labyrinth seal in disk storage drive |
| 08/06/1985 | US4533965 Magnetic read/write circuit |
| 08/06/1985 | CA1191559A1 Circuit for detecting existance of information signal |
| 07/30/1985 | US4532621 Device and method for recording information on a disk |
| 07/30/1985 | US4532561 Playback speed control system |
| 07/30/1985 | US4531846 Compact ferrofluid seal and bearing assembly |
| 07/16/1985 | US4530083 Rotatable memory disk apparatus |
| 07/16/1985 | US4530018 Information recording/reproducing apparatus with disk having sections of different angular velocity |
| 07/09/1985 | US4528653 Record player with automatic music search function |
| 07/09/1985 | CA1190319A1 Flexible magnetic disk cassette and a recording and/or reproducing apparatus for the same |
| 07/04/1985 | WO1985002934A1 Method and apparatus for delivering messages |
| 07/02/1985 | US4527273 Information processing system |
| 07/02/1985 | US4527265 Position memory for laser reproduction unit |
| 07/02/1985 | US4526484 Ferrofluid thrust and radial bearing assembly |
| 07/02/1985 | US4526382 Radially polarized multiple-stage ferrofluid seal apparatus |
| 07/02/1985 | US4526379 Stabilized ferrofluid-ferrofluid seal apparatus and method |
| 06/25/1985 | US4525752 Apparatus for recording and reproducing a digital signal |
| 06/19/1985 | EP0144813A1 Recording and reproducing apparatus |
| 06/18/1985 | US4524399 Magnetic disk memory power supply |
| 06/18/1985 | US4524269 Card operation indicator for magnetic card drive devices |
| 06/18/1985 | US4524109 Thin coating of polyisobutylene |
| 06/11/1985 | US4523243 Magnetoresistive transducer using an independent recessed electromagnetic bias |
| 06/06/1985 | WO1985002484A1 A disc type information storage and rerieval system |
| 06/06/1985 | WO1985002481A1 Disk-shaped recording medium and apparatus for reproducing the same |
| 06/05/1985 | EP0143474A1 Apparatus for reading an optically readable record carrier |
| 06/04/1985 | US4521884 Method and apparatus for error data feedback in a diskette drive |
| 06/04/1985 | US4521820 Insert for blocking operation of the disc write switch in use of computer diskettes |
| 06/04/1985 | CA1188228A1 Turntable platter for record players |
| 05/21/1985 | US4519057 Digital audio disc player including apparatus for finding the beginning of a recorded audio signal |
| 05/21/1985 | US4519056 Optical disk apparatus |
| 05/21/1985 | CA1187607A1 Information carrier disk with angular coding means and a system for driving said disk in rotation |
| 05/15/1985 | EP0141337A2 Apparatus for scanning sheet-shaped recording medium |
| 05/08/1985 | EP0140193A1 Drive mechanism for fixed discs |
| 05/08/1985 | EP0139779A1 Picture viewing and sound record/playback arrangement |
| 05/08/1985 | EP0139778A1 Arrangement for viewing picture cards and for the co-ordinated recording/replay of sound information |
| 05/07/1985 | US4516233 Disc record player having player control apparatus |
| 05/07/1985 | US4516231 Optical disc system having momentum compensation |
| 05/07/1985 | US4516177 Rotating rigid disk data storage device |
| 05/07/1985 | US4516161 System for pausing reproduction in rotary recording medium reproducing apparatus |
| 05/02/1985 | EP0139332A2 Apparatus for reproducing information from a disc-shaped optically readable record carrier |
| 05/02/1985 | EP0139163A1 Multiple data transfer system having a plurality of disk drives |
| 04/30/1985 | US4514771 Method and apparatus for improving disk storage capacity |
| 04/30/1985 | US4514732 Technique for increasing battery life in remote control transmitters |
| 04/30/1985 | CA1186410A1 Video disc player having auxiliary vertical synchronizing generator |
| 04/24/1985 | EP0138211A2 Disc rotation control device for a disc player |
| 04/24/1985 | EP0137855A1 Data transfer system using digital disc |
| 04/16/1985 | US4511930 Electro-optical information recording and reproduction system |
| 04/09/1985 | US4510591 Slot type disc recorder and/or player apparatus |
| 04/03/1985 | EP0135969A2 Optical disc player |
| 04/02/1985 | US4509160 Disc drive assembly |
| 04/02/1985 | CA1185012A1 Optical disc unit, fabrication method and cooperating write and/or read apparatus |
| 04/02/1985 | CA1185011A1 Information signal reproducing apparatus |
| 03/28/1985 | WO1985001377A1 Apparatus for reproducing audio signal |
| 03/26/1985 | US4507770 Control system for a disc player apparatus |
| 03/26/1985 | US4506857 Adjustable mounting for a motor on a base |
| 03/19/1985 | US4506304 Apparatus for transferring pre-recorded image signal information from one recording medium to a master recording medium |
| 03/05/1985 | US4503473 For a floppy disc drive |
| 02/27/1985 | EP0133430A1 An improved brushless dc motor |
| 02/26/1985 | US4502024 Pulse-width modulation circuit |