| 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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| 08/09/1989 | EP0326756A1 Method and apparatus for detecting abnormal operation of moving storage apparatus |
| 08/08/1989 | US4855990 Disc player |
| 08/08/1989 | US4855979 Disk playing method for disk player |
| 08/08/1989 | US4855978 Video/compact disk player having reduced track search time |
| 08/08/1989 | US4855850 Disk drive apparatus with disk rotating means |
| 08/08/1989 | US4855849 Disk drive motor mount |
| 08/08/1989 | US4855847 Video disk reproducing device having improved motor speed control |
| 08/08/1989 | US4855654 Rotary body drive device |
| 08/02/1989 | EP0326437A2 Optical disk recording and reproducing device |
| 08/02/1989 | EP0326206A1 Method of and apparatus for recording an information signal |
| 08/02/1989 | EP0326192A2 Magneto resistive coupled thin films for magnetic flux sensing |
| 08/02/1989 | EP0325838A2 Optical data storage drum, drive, and method |
| 08/02/1989 | EP0179299B1 Alignment disk and method for producing it |
| 08/01/1989 | US4853914 Time base correction system with coarse and fine correction |
| 08/01/1989 | US4853799 Magnetic disk apparatus capable of writing at two different track densities |
| 07/27/1989 | WO1989006856A1 Method of instructing the initialization of an external memory medium |
| 07/27/1989 | DE3801332A1 Use of a data transmission method |
| 07/26/1989 | EP0325491A1 Automatic gain control device for use in an optical memory device |
| 07/26/1989 | EP0325488A1 Analog signal switching device for use in an optical memory device |
| 07/26/1989 | EP0325325A2 System for transferring information using an information carrier |
| 07/25/1989 | US4852073 Remote control transmission apparatus |
| 07/25/1989 | US4851933 Magnetic disk apparatus having magnetic head with pre-erase gap |
| 07/25/1989 | US4851731 Structure of a flat-type brushless DC motor |
| 07/18/1989 | US4849832 Reproducing apparatus with erasing device and erasing function based on frequency multiplexed and/or DPSK coded signal |
| 07/18/1989 | US4849819 Electronic still camera |
| 07/18/1989 | US4849711 Automatic gain control system |
| 07/13/1989 | WO1989006176A1 Lathe |
| 07/11/1989 | US4847816 Audio information reproducing apparatus |
| 07/11/1989 | US4847713 Disc drive arrangement |
| 07/11/1989 | US4847712 Disc drive spindle motor with log cogging torque |
| 07/11/1989 | US4847709 Reproducing apparatus |
| 07/11/1989 | US4847704 Disk driving device |
| 07/11/1989 | EP0224498A4 Record playback counter. |
| 07/05/1989 | EP0323446A2 Recording and/or reproducing apparatus, in particular for still pictures |
| 07/05/1989 | EP0322817A2 Recording method for magnetoptical disk and apparatus therefor |
| 07/04/1989 | US4845720 Semiconductor laser control circuit |
| 07/04/1989 | US4845700 Front loading disc player |
| 07/04/1989 | US4845696 Apparatus for optically recording and reproducing information in record tracks on a rotatable record disk |
| 07/04/1989 | US4845578 Disk holding device for disk drive |
| 07/04/1989 | US4845576 Magnetic recording/reproduction apparatus |
| 06/28/1989 | EP0322177A2 Spindle motor stop control device |
| 06/28/1989 | EP0321941A2 Process for identifying disks and automatically configuring a disk drive system |
| 06/28/1989 | EP0321795A2 Pilot circuit with integrated circuit with preset firing delay for MOS power transistors |
| 06/27/1989 | US4843604 Beam controller for magneto-optical disc memory system |
| 06/27/1989 | US4843504 Superconductor devices useful for disk drives and the like |
| 06/27/1989 | US4843501 Disc handling apparatus |
| 06/27/1989 | US4843500 Disk storage drive |
| 06/27/1989 | US4843288 Phase locked motor control system for multiple disk drive units |
| 06/21/1989 | EP0320708A2 Video recording device with a memory for preferred programmes |
| 06/20/1989 | US4841516 Thermoplastic composite resin substrate, thermoplastic elastomer receiving portion |
| 06/20/1989 | US4841511 Constant linear velocity disk rotating apparatus |
| 06/20/1989 | US4841505 Pickup position control method enabling restart of reproduction after interruption |
| 06/20/1989 | US4841504 Method and apparatus for recording an information signal on a rotary recording medium |
| 06/20/1989 | US4841503 System for recording information from one recording medium onto a reversing cassette tape recording medium without loss of information during a reversing operation |
| 06/20/1989 | US4841502 Information recording system and reproducing for recording and reproducing information on a magneto-optical disk |
| 06/20/1989 | US4841499 Multi-disc player |
| 06/20/1989 | US4841408 Electroconductive sliding apparatus |
| 06/20/1989 | US4841394 Cover mechanism for a recording medium holding device |
| 06/20/1989 | US4841393 Spindle motor for a disc drive |
| 06/20/1989 | US4841389 Magnetic transducer crash anticipation and response method and apparatus |
| 06/20/1989 | US4841387 Arrangement for recording and indexing information |
| 06/20/1989 | US4841384 Servo protection circuit for disk drive |
| 06/15/1989 | WO1989005509A1 Disk recording apparatus |
| 06/15/1989 | WO1989005506A1 Floppy disc drive with closed loop servoed high density read/write gap, and with low density read/write gap for the write updating of standard open loop formatted medium |
| 06/14/1989 | EP0320107A2 Parallel disk drive array storage system |
| 06/13/1989 | US4839880 Apparatus for loading record discs of different diameters in disc players |
| 06/13/1989 | US4839878 Apparatus for controlling the writing of data in disk sectors |
| 06/13/1989 | US4839754 Winchester disk drive motor circuitry |
| 06/13/1989 | US4839753 Information recording disk |
| 06/13/1989 | US4839752 Temperature/humidity floppy disk cassette defeat mechanism |
| 06/13/1989 | US4839748 Initial state setting system for still picture recording/reproduction device |
| 06/13/1989 | US4839746 Information reproduction method for complex and CD disks |
| 06/13/1989 | US4839552 Brushless DC motor |
| 06/07/1989 | EP0318897A2 An apparatus for focusing a light beam onto an information memory medium |
| 06/06/1989 | US4837758 Magneto-optical recording reproducing device having field applying means |
| 06/06/1989 | US4837644 Magnetic recording/reproduction apparatus |
| 06/06/1989 | US4837637 Scanning method for disk player |
| 06/06/1989 | CA1255386A1 Power control system for a semiconductor laser |
| 05/31/1989 | EP0318213A2 Card reader |
| 05/31/1989 | EP0317648A1 Device for detecting reading error from optical recording medium |
| 05/31/1989 | EP0214256B1 System to ascertain the scanning speed of audio discs with contactless scanning |
| 05/30/1989 | US4835762 Optical memory device and system |
| 05/30/1989 | US4835755 Recording disk reproducing apparatus having high-resolution A/D converter |
| 05/30/1989 | US4835639 Rotary magnetic disc device having a compact locking device |
| 05/30/1989 | US4835637 Disk file with in-hub motor |
| 05/30/1989 | US4835630 Modular configurable communications recorder |
| 05/30/1989 | US4835623 System for playing video information recording disks, capable of special playback mode operation with a CLV disk |
| 05/24/1989 | EP0316484A2 Method of and apparatus for synchronizing reproduction of a plurality of video information reproducing systems |
| 05/23/1989 | US4833667 Spindle motor assembly for low acoustic noise environments |
| 05/23/1989 | US4833666 Disc-record player suitable for scanning disc of different types |
| 05/23/1989 | US4833663 Information recording/reproducing apparatus for handling defective sectors on an optical disk |
| 05/23/1989 | US4833559 Capacitor multiplexing for magnetoresistive heads |
| 05/23/1989 | US4833550 Magnetic disk device having a mechanism for removing an adhesion between a magnetic head and a magnetic disk |
| 05/23/1989 | US4833548 System for reading and storing composite index code from a recording disk |
| 05/17/1989 | EP0316077A1 Brushless motors |
| 05/16/1989 | US4831614 Direct access storage unit using tunneling current techniques |
| 05/16/1989 | US4831611 Optical writing and reading method and apparatus |
| 05/16/1989 | US4831474 Disk supporting mechanism in disk driving device |
| 05/16/1989 | US4831469 Disk drive head retract and motor braking method and apparatus |
| 05/16/1989 | US4831468 Index signal generation timing control system |