| 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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| 02/01/1989 | EP0301737A2 A method of, and an apparatus for, retracting the head and braking the drive motor of a record disk file |
| 02/01/1989 | EP0301537A2 Optical card recording/reproducing apparatus |
| 02/01/1989 | EP0301108A1 Data recording/reproducing apparatus for optical card |
| 02/01/1989 | CN1030841A Disc recording medium and equipment for its rotary and linear motion |
| 01/31/1989 | US4802152 Compact disc drive apparatus having an interface for transferring data and commands to and from a host controller |
| 01/31/1989 | US4802040 Disk-type recording and reproducing apparatus |
| 01/31/1989 | US4802020 Variable mode electronic still camera including optical and electronic view finders |
| 01/26/1989 | DE3824104A1 Ferrofluid seal |
| 01/25/1989 | EP0300581A2 Amorphous pip protection apparatus for use in an optical recording apparatus |
| 01/25/1989 | EP0300481A2 Apparatus for detecting inclination of optical card |
| 01/25/1989 | EP0300336A2 Disc recording medium and equipment for its rotary and linear motion |
| 01/24/1989 | US4800553 Device for recording information on and playing it back from a driven recording medium |
| 01/24/1989 | US4800551 Method and apparatus for feeding card |
| 01/24/1989 | US4800548 Optical recording and reproducing apparatus with abnormality detector |
| 01/24/1989 | US4800546 Optical information record/regenerating apparatus with device for prohibiting movement of optical head |
| 01/24/1989 | US4800453 Recording and/or reproducing apparatus adapted for utilization of record bearing media of a disc type |
| 01/24/1989 | US4800452 Disk recording and reproducing head system having track seeking for faulty addresses |
| 01/24/1989 | US4800448 Image recording/reproducing apparatus |
| 01/24/1989 | US4800258 Information recording-reproducing apparatus |
| 01/19/1989 | DE3722857A1 Keyboard for entering commands |
| 01/17/1989 | US4799207 Apparatus and method for maintaining progression of recovery of recorded information |
| 01/17/1989 | US4799112 Method and apparatus for recording data |
| 01/17/1989 | US4798480 Bearing system with active reservoir between two axially spaced hydrodynamic bearings |
| 01/12/1989 | DE3818881A1 Verfahren und anordnung zur verarbeitung von informationsdaten Method and arrangement for processing of information data |
| 01/10/1989 | US4797873 Disk cramp apparatus |
| 01/10/1989 | US4797869 Disk detecting apparatus |
| 01/10/1989 | US4797865 Information recording disc player having receiving parts for receiving a plurality of disc cartridges |
| 01/10/1989 | US4797769 Disc driving device |
| 01/10/1989 | US4797762 Stress free winchester drive shaft mounting |
| 01/10/1989 | US4797013 Compact ferrofluidic electrically conducting sealed bearing |
| 01/04/1989 | EP0297910A2 An optical memory device |
| 01/04/1989 | EP0258222B1 Apparatus for the recording and/or play back of information on resp. by a driven recording medium |
| 01/04/1989 | CN1030155A Method of device for scanning radiation-sensitive surface of rotating carrier with radiation beam |
| 01/03/1989 | US4796251 Dual-sized disk player |
| 01/03/1989 | US4796249 System to ascertain the scanning speed of audio disks with contactless scanning |
| 01/03/1989 | US4796247 Compact disc (CD) player and method of compensating for tracking jumps |
| 01/03/1989 | US4796113 Method and apparatus for automatically replacing defective recording tracks in data storage apparatus |
| 01/03/1989 | US4796107 Apparatus for reserving programs at various recording tape running speeds |
| 01/03/1989 | US4795981 Method for monitoring the performance of the head-disk-interface and device for preventing data losses due to magnetic head-disk-interferences |
| 01/03/1989 | US4795958 Servomechanism for recording disk reproducing system |
| 01/03/1989 | US4795891 Card guide device |
| 01/03/1989 | US4795275 Hydrodynamic bearing |
| 12/28/1988 | EP0296829A2 Disc drive arrangement for CD player and the like capable of loading different size discs |
| 12/28/1988 | EP0296678A1 Method of and device for scanning a radiation-sensitive surface of a rotating carrier with a radiation beam |
| 12/28/1988 | EP0296590A2 Optical card processing apparatus |
| 12/27/1988 | US4794582 Method and apparatus for preventing duplex recording on information recording medium |
| 12/27/1988 | US4794480 Bernoulli plate in cartridge |
| 12/27/1988 | US4794470 Security system for protecting information |
| 12/27/1988 | US4794468 Magnetic disk with analog and digital video signals recorded thereon and apparatus for making recording on said disk |
| 12/22/1988 | DE3818994A1 Disc store drive |
| 12/21/1988 | EP0295759A2 Apparatus for using differential data detection in write protection of an optical recorder |
| 12/20/1988 | US4792938 Low-noise bearing for phonograph turntables and the like |
| 12/20/1988 | US4792933 Optical recording/reproducing apparatus having disk lifetime estimating device |
| 12/20/1988 | US4792869 Electronic apparatus for proper handling of interchangeable memory |
| 12/20/1988 | US4792868 Recording/reproducing device with means for switching inductance of such device for use in a floppy disk apparatus |
| 12/20/1988 | US4792861 Video signal recording apparatus with track centering using crosstalk detection and third odd multiple field recording |
| 12/20/1988 | US4791741 Card with built-in record/playback capability |
| 12/20/1988 | CA1246912A1 Apparatus for scanning sheet-shaped recording medium |
| 12/15/1988 | WO1988009991A1 Device for detecting reading error from optical recording medium |
| 12/15/1988 | DE3818346A1 In-hub motor |
| 12/14/1988 | EP0294761A1 Method of, and apparatus for, avoiding a magnetic transducer crash |
| 12/14/1988 | EP0294545A2 Head positioning device for optical disk drive |
| 12/14/1988 | EP0294490A1 Optical disc discriminating device |
| 12/13/1988 | US4791511 Disk cartridge with slide door engageable in either of two orientations |
| 12/13/1988 | US4791508 Magnetic disc memory unit |
| 12/13/1988 | US4791500 Method and apparatus for writing information on magnetic disk with single-gap magnetic head |
| 12/06/1988 | US4789975 Apparatus for recording and/or reproducing data signal on or from disk shaped recording medium at a variably selected constant linear velocity |
| 12/06/1988 | US4789974 Optical information recording/reproducing apparatus |
| 12/06/1988 | US4789973 Recording/reproducing apparatus with dual display capability |
| 12/06/1988 | US4789972 Selectively controlling the erasure in a magneto-optic recording medium |
| 12/06/1988 | US4789812 Device for controlling a motor for rotating a magnetic disc |
| 11/30/1988 | EP0292942A1 Apparatus for reproducing signals from both sides of discs |
| 11/30/1988 | EP0292917A1 Apparatus for information recording and/or reproducing on or from an optical disc |
| 11/30/1988 | EP0292720A2 Method and apparatus for feeding card |
| 11/29/1988 | US4788677 Disk support mechanism in a player |
| 11/29/1988 | US4788673 Multi-disk player system |
| 11/29/1988 | US4788672 Method and apparatus for controlling renewal of data in optical disc memory |
| 11/29/1988 | US4788671 Information recording and reproducing apparatus for effecting simultaneous recording and reproduction but at different rates |
| 11/29/1988 | US4788464 Disc drive with integral spindle yoke |
| 11/22/1988 | US4787078 Optical data recording and reproducing system with control of high frequency superposed signal applied to semiconductor laser |
| 11/22/1988 | US4787073 Data playback system for random selections |
| 11/22/1988 | US4786995 Automatic head retract system for disk drive |
| 11/22/1988 | US4786836 Piezoelectric motor |
| 11/22/1988 | US4786793 Card accessing apparatus |
| 11/15/1988 | US4785443 Light control circuit of optical disc system |
| 11/15/1988 | US4785440 Method and apparatus for driving an optical pickup of an optical information recording and reproducing apparatus |
| 11/15/1988 | CA1244942A1 Runout compensation for a coarse tracking servo system in an optical disk storage unit |
| 11/09/1988 | EP0290226A2 Disc drive spindle motor with low cogging torque |
| 11/09/1988 | EP0289625A1 Remote commander |
| 11/08/1988 | US4783777 Disc player |
| 11/08/1988 | US4783774 Control system for optical information reproducing apparatus |
| 11/08/1988 | US4783717 Apparatus for rotating a disk |
| 11/08/1988 | US4783707 Automatic control means for a picture image recording device |
| 11/08/1988 | US4783706 Circuit arrangement and method for saving power in magnetic disk apparatus without head displacement |
| 11/02/1988 | EP0289004A2 Recording and reproducing apparatus |
| 11/02/1988 | EP0288571A1 Apparatus for recording and reproducing data using a disk |
| 11/02/1988 | CN88102870A System for recording information signal, and record carrier and recording device for use in the system |
| 11/01/1988 | US4782473 Drive control method for multi-disk player |
| 11/01/1988 | US4782406 Data transfer apparatus with a disklike record medium and a method of operation therefore |
| 10/26/1988 | EP0288114A1 System for recording information signal, and record carrier and recording device for use in the system |