| 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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| 06/25/1991 | US5026981 Servo control gain adjustment for an optical disk apparatus |
| 06/19/1991 | WO1991009364A1 Direct access storage device with independently stored parity |
| 06/19/1991 | EP0433037A1 Spindle motor and disk drive provided therewith |
| 06/19/1991 | EP0432976A2 Magnetooptic data storage apparatus and magnetooptic disk |
| 06/19/1991 | EP0305480A4 In-spindle motor assembly for disk drive and method for fabricating the same |
| 06/19/1991 | CA2070820A1 Direct access storage device with independently stored parity |
| 06/18/1991 | US5025437 Interlocking braking and lock mechanisms for scanning apparatus of an information processing system |
| 06/18/1991 | US5025339 Disk drive apparatus with oil damper on eject lever |
| 06/18/1991 | US5025336 Disk drive apparatus |
| 06/18/1991 | CA1285065C Diskette drive determination |
| 06/13/1991 | DE4038325A1 Data writing onto magnetic disc - holding data in cache memory and transferring onto tracks on multiple discs |
| 06/12/1991 | EP0431690A1 Locking device for container |
| 06/12/1991 | EP0431590A2 A CD-ROM retrieval apparatus |
| 06/11/1991 | US5023854 Disc having a data read-only area and a data recording arm and a recording reproducing system therefor |
| 06/11/1991 | US5023831 Intelligent disk drive having configurable controller subsystem providing drive-status information via host-computer expansion bus |
| 06/11/1991 | US5023727 Method and device for producing a substantially continuous composite video signal |
| 06/04/1991 | US5022023 Disc drive arrangement for CD player and the like capable of loading different size discs |
| 05/30/1991 | WO1991007636A1 Projectile for the dispersal of a load with time delay |
| 05/29/1991 | EP0429221A2 A magnetooptic recorder-player |
| 05/29/1991 | EP0428528A1 Data security device. |
| 05/28/1991 | US5020047 Method and device for radiation beam scanning a radiation-sensitive surface of a rotating carrier |
| 05/22/1991 | EP0428218A1 Device for a rotating disc-shaped information carrier |
| 05/22/1991 | CN2077576U Self-tension device for driving belt of phonograph |
| 05/21/1991 | US5018126 Checking media operations and recording during optical recording |
| 05/21/1991 | US5018124 Information recording method and apparatus for recording information on track positioned at least two tracks ahead when abnormality of tracking servo is detected |
| 05/21/1991 | US5018123 Optical information recording medium and method for recording information on said medium and reproducing information therefrom |
| 05/21/1991 | US5018029 Shock start for memory disk motor drives |
| 05/21/1991 | CA1284381C Optical disc recording method and apparatus for digital data having a plurality of transmission rates |
| 05/18/1991 | WO1991007743A1 Removable disk drive security module with lockable write protect feature |
| 05/18/1991 | CA2068884A1 Removable disk drive security module with lockable write protect feature |
| 05/16/1991 | WO1991006951A1 Pretreatment of overwritable opto-magnetic recording medium and pretreated overwritable opto-magnetic recording medium |
| 05/15/1991 | EP0427490A2 Disk drive apparatus |
| 05/14/1991 | US5016124 Recording apparatus with control of energy to the drive at start up |
| 05/14/1991 | US5016121 Disk drive controller system |
| 05/14/1991 | US5015893 Motor structure with magnetic interference shield |
| 05/08/1991 | EP0426483A2 Disk storage subsystem |
| 05/07/1991 | US5014237 Disk drive controller system with enhanced communications interface |
| 05/07/1991 | US5013947 Low-profile disk drive motor |
| 05/02/1991 | EP0425312A2 Spindle motor assembly for a disk drive |
| 05/02/1991 | EP0425125A2 System with a multi-function optical disk and drive for it |
| 04/30/1991 | US5012374 Recording and/or reproducing apparatus in which the position of head means relative to the record bearing medium is controlled between two positions |
| 04/30/1991 | US5012359 Magnetic disk apparatus |
| 04/30/1991 | US5012204 Phase control circuit for regulating a CD player drive |
| 04/30/1991 | US5012166 Control system for brushless DC motor |
| 04/30/1991 | US5011165 Sealing device especially for hard disk drives |
| 04/30/1991 | CA1283733C Direct access storage unit |
| 04/28/1991 | CA2027225A1 Spindle motor assembly for disc drives |
| 04/24/1991 | EP0423986A2 Input/output communication between autochanger and drive |
| 04/24/1991 | EP0423804A2 Information recording disk playing apparatus |
| 04/23/1991 | US5010540 Apparatus for recording and reproducing information on and from an optical disk |
| 04/23/1991 | US5010539 Optical disk device for storing both analog and discrete data and which utilizes both CLV and CAV techniques |
| 04/23/1991 | US5010534 Optical information recording-reproducing apparatus |
| 04/18/1991 | WO1991005334A1 Disc drive with spindle motor rotor configuration in a removable disc cartridge |
| 04/17/1991 | EP0422947A2 Optical recording/reproducing device |
| 04/17/1991 | EP0287593A4 Substituting soundtrack |
| 04/16/1991 | US5008573 Magnetic disk enclosure with detachable stator |
| 04/16/1991 | US5008552 Data recording and reproducing apparatus for an optical card |
| 04/16/1991 | US5007314 Lathe |
| 04/13/1991 | WO1991006167A1 Method and device for producing a substantially continuous composite video signal |
| 04/11/1991 | DE3933674A1 Counting system for CD disc use - is built into turntable and is triggered each time system is used |
| 04/10/1991 | EP0421394A2 Differential pressure measuring device |
| 04/10/1991 | CN1050634A Imformation processor and disk memory used in same |
| 04/09/1991 | US5007038 Method and apparatus for producing an accurate error signal in an optical recording medium driver |
| 04/09/1991 | US5006943 Disk storage drive |
| 04/03/1991 | EP0420215A2 Apparatus for optically recording information on a recording medium |
| 04/03/1991 | EP0420112A2 Information processor and disk memory used in the same |
| 04/03/1991 | EP0419909A2 Computer system with control unit for controlling power supply to storage unit |
| 04/02/1991 | US5005164 Recording and reproducing apparatus |
| 04/02/1991 | US5005088 Recording and/or reproducing apparatus adapted to minimize electrical energy consumption |
| 03/27/1991 | EP0419303A1 A pulse with modulation control system for a motor |
| 03/27/1991 | EP0419027A2 System and method for compensating asymmetric beam energy distribution during focussing |
| 03/27/1991 | EP0419012A2 Information recording/reproducing apparatus |
| 03/27/1991 | EP0418858A2 Method of recording/reproducing information for rotary-type information recording/reproducing apparatus |
| 03/27/1991 | EP0418702A2 Disk drive apparatus having improved initialization process |
| 03/26/1991 | US5003522 Disc reproducing system for compensating mechanical imperfections |
| 03/26/1991 | US5003521 Optical disk discriminating device |
| 03/20/1991 | EP0417277A1 Disk recording/reproducing apparatus and disk recording/reproducing method |
| 03/19/1991 | US5001692 Optical recording system providing a recording signal waveform adapted to the recording characteristics of the record carrier, and recording apparatus and record carrier for use in such systems |
| 03/19/1991 | US5001592 Disc driver |
| 03/19/1991 | US5001581 Disk storage drive |
| 03/19/1991 | US5001578 Method and system for controlling disk recording and reproduction apparatus for reduced power consumption |
| 03/19/1991 | US5001570 Multispeed reproducing control apparatus of a video disk player for reproducing at a variety of reproducing speeds from a CLV disk |
| 03/19/1991 | CA1281815C Reader/writer apparatus for optical memory card |
| 03/13/1991 | EP0264375B1 Method and device for the electronic processing of stored video signals |
| 03/13/1991 | EP0233207B1 Stopping system for record-player |
| 03/12/1991 | US4999721 Recording and/or reproducing apparatus |
| 03/12/1991 | US4999714 Still video camera having video synchronized to drive motor phase |
| 03/06/1991 | EP0415757A1 Erasing device |
| 03/06/1991 | EP0415543A2 Half-height magneto-optic disk drive |
| 03/05/1991 | US4998292 Programming method and/or equipment for audio or video appliances |
| 03/05/1991 | US4998033 Gas dynamic bearing for spindle motor |
| 02/28/1991 | DE4011134A1 Juke box type selection equipment with multiple headphones - uses local operator selection keyboard and headphones connected to remote record retrieval and playback equipment |
| 02/27/1991 | EP0414579A2 A carriage servo unit in a disk player |
| 02/27/1991 | EP0414557A2 Optical disk recording/reproducing device |
| 02/26/1991 | US4996678 Apparatus for rewriting an optical disc while updating its table of contents and without leaving gaps |
| 02/26/1991 | US4996617 Disc drive safety latch using shape memory metals |
| 02/26/1991 | US4996613 Spindle motor with non-contact seal |
| 02/26/1991 | US4996610 Disk-type magnetic recording apparatus with video signal discrimination means |
| 02/21/1991 | WO1991002353A1 Record player of magnetic levitation and control type |
| 02/19/1991 | US4995027 Automatic loading disc player |