| 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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| 01/07/1992 | US5079656 Magnetic disc mounting arrangement having a single bearing which rotates a spindle with high rotational accuracy and planarity |
| 01/07/1992 | US5079649 Erase device for a magnetic layer memory having relative motion |
| 01/07/1992 | US5079413 Card reader using linear card conveyer means |
| 01/07/1992 | CA1294044C Apparatus for recording and reproducing information |
| 01/07/1992 | CA1294036C Apparatus for recording and/or reproducing data signal on or from disk shaped recording medium |
| 01/02/1992 | EP0463821A1 Disc drive units |
| 12/31/1991 | US5077717 System for detecting a cd on a tray in a compact disk player having a magazine containing a plurality of disks |
| 12/31/1991 | US5077713 Magneto-optical disk writing/reading apparatus including a floating magnetic head |
| 12/27/1991 | EP0462109A1 Shaft mounting for a disk file. |
| 12/26/1991 | WO1991020081A1 Digital medium providing information per still-frame |
| 12/25/1991 | CN1057356A Synchronizing method and synchronizer for control of multiple video cassette recorders in image playback |
| 12/24/1991 | US5075805 Disk drive controller system |
| 12/24/1991 | US5075804 Management of defect areas in recording media |
| 12/18/1991 | EP0461912A2 Information recording and reproducing device |
| 12/12/1991 | WO1991019344A1 Low noise spin motor for use in disk drive |
| 12/12/1991 | WO1991019288A1 Two and one half inch diameter multiple disk drive |
| 12/11/1991 | EP0460916A2 Format and method for recording digital data on record disks with a pre-erasure need to save extra rotations |
| 12/11/1991 | EP0434688A4 Seeking multitasking disk controller |
| 12/10/1991 | US5072378 Direct access storage device with independently stored parity |
| 12/10/1991 | US5072317 Recording and/or reproducing apparatus having a mechanical memory for storing medium loading and unloading information |
| 12/04/1991 | EP0459835A2 Method of recording and reproducing video format signal by a plurality of recording media |
| 12/04/1991 | EP0459834A2 Image reproducing apparatus by concurrent operations of a plurality of disk players |
| 12/04/1991 | EP0459615A2 High definition signal recording apparatus and its recording medium |
| 12/04/1991 | EP0459531A2 Apparatus for reproducing signals from both sides of discs |
| 12/04/1991 | EP0459157A2 Method and apparatus for playing back a recording medium automatically |
| 12/04/1991 | EP0459018A2 Video disk player |
| 12/03/1991 | US5070496 Laser reproducing apparatus |
| 12/03/1991 | US5070420 Magnetic disk drive |
| 12/03/1991 | US5070418 Cassette ejection apparatus |
| 12/03/1991 | US5070417 Disc drive unit and method and system for controlling the same |
| 12/03/1991 | US5070285 Motor stop control device |
| 11/28/1991 | WO1991018392A1 Process for shortening the switching on time of an optical recording and/or playback machine |
| 11/28/1991 | WO1991018391A1 Process for stopping a rotating disk-shaped recording medium |
| 11/28/1991 | DE4016553A1 Reducing access time to selected CD track - reading identification data to achieve synchronisation with stored data |
| 11/28/1991 | DE4016552A1 Verfahren zur verkuerzung der einschaltzeit eines optischen aufzeichnungs- und/oder wiedergabegeraetes A method for shortening of the switching of an optical recording and / or reproducing apparatus |
| 11/28/1991 | DE4016551A1 Verfahren zum anhalten eines rotierenden plattenfoermigen aufzeichnungstraegers A method for holding a rotating plattenfoermigen aufzeichnungstraegers |
| 11/27/1991 | EP0458372A2 Apparatus for reproducing signals from both sides of discs |
| 11/26/1991 | US5068842 Control method of disk drive for recordable optical disk |
| 11/26/1991 | CA1292571C Optical recording medium and method and apparatus for correcting angular deviation thereof |
| 11/26/1991 | CA1292504C Sensorless brushless motor |
| 11/21/1991 | DE4114234A1 Optical recording and storage disc system - uses information from designated data control tracks to determine type of light recording medium and data format used |
| 11/19/1991 | US5067128 Recorded data reading system |
| 11/14/1991 | WO1991013695A3 Receiver-recorder of television transmissions |
| 11/13/1991 | EP0455934A2 Disk selection control device for multidisk player |
| 11/13/1991 | CN1056193A Low-profile disk drive motor |
| 11/13/1991 | CN1056181A Shock-start type recording disk reproducing apparatus |
| 11/13/1991 | CN1056180A Thin-thickness type recording disk reproducing apparatus |
| 11/12/1991 | US5065385 Time base control system with coarse and fine correction for a spindle servo |
| 11/12/1991 | US5065262 Removable and transportable hard disk subsystem |
| 11/12/1991 | CA1292065C "compact disc" drive apparatus specifically designed for storage of digital data and/or a mixture of audio information and digital data |
| 11/06/1991 | EP0455438A2 Magnetic recording system |
| 11/06/1991 | EP0454685A1 Under-the-hub disk drive spin motor. |
| 11/05/1991 | US5063552 Optical disk apparatus with data transfer rate and rotational speed variable by annular zones |
| 11/05/1991 | US5063550 Loop-gain control system in a spindle servo loop |
| 11/05/1991 | US5063546 Optic disc with servo pattern and apparatus for accessing the optical disc |
| 11/05/1991 | US5063543 Timer programming apparatus |
| 11/05/1991 | US5063458 Electronic still camera with standby switches operable to enable the camera for recording an image upon actuation of a recording switch |
| 10/30/1991 | EP0453995A2 Optical disc recording apparatus |
| 10/30/1991 | CN1014559B Improved record player |
| 10/29/1991 | CA1291565C Optical recording medium |
| 10/23/1991 | EP0453308A2 Reducing amplitude variations of optical disk readback signals |
| 10/23/1991 | EP0453285A2 Time base error signal generating apparatus |
| 10/23/1991 | EP0453263A1 Method of access to recording medium, and apparatus and method for processing information |
| 10/23/1991 | EP0453192A2 Method of minimizing head-arm movements in a disk drive |
| 10/23/1991 | EP0453108A2 Player for audio disk and memory disk |
| 10/23/1991 | EP0452953A2 Optical head |
| 10/23/1991 | EP0452884A2 A rewritable optical disc |
| 10/22/1991 | US5060220 Protection circuit for optical disc players |
| 10/22/1991 | US5060219 Recording system for recording only those types of information which are specified by the record carrier |
| 10/22/1991 | US5060218 Write-once type optical recording/reproducing device |
| 10/22/1991 | US5060209 Optical information recording and reproducing apparatus with vibration attenuating mechanism |
| 10/22/1991 | US5060208 Magnetooptical recording method and apparatus utilizing shift adjustment |
| 10/22/1991 | US5059780 Light power control circuit for a semiconductor light-emitting element |
| 10/16/1991 | EP0451773A2 Linear motor |
| 10/16/1991 | EP0451297A1 Pretreatment of overwritable opto-magnetic recording medium and pretreated overwritable opto-magnetic recording medium |
| 10/15/1991 | US5058191 Motor rotation speed control circuit |
| 10/15/1991 | US5058096 Disk recording/reproducing apparatus and disk recording/reproducing method |
| 10/15/1991 | US5058095 Automatic loading and driving record medium player |
| 10/15/1991 | US5058092 Method for accessing a control track by positioning an optical head at the center of the control track |
| 10/15/1991 | US5058089 Memory disk and apparatus for recording information on memory disk |
| 10/15/1991 | US5057952 Magnetic fluid sealing apparatus for a magnetic disk drive |
| 10/15/1991 | US5057758 Passive payload for a cartridge handling system |
| 10/15/1991 | US5057731 Simplified spindle motor for disc drive |
| 10/15/1991 | US5057725 Rotary electric machine |
| 10/12/1991 | CA2025435A1 Compatible disk player |
| 10/09/1991 | EP0450745A1 Composite disk playing method |
| 10/09/1991 | EP0450529A2 Motor servo circuit for disc reproduction apparatus |
| 10/09/1991 | EP0450206A1 Disk file |
| 10/08/1991 | US5056078 Load mechanism for a beam addressable information storage disk drive system |
| 10/08/1991 | US5056077 Centering mechanism for automotive disc player |
| 10/08/1991 | US5056076 Method for controlling the rotational velocity of an information recording disk |
| 10/08/1991 | US5056075 Optical disk player with disk size and pickup location responsive skew servo control |
| 10/08/1991 | US5056070 Timer programming apparatus |
| 10/08/1991 | US5055950 Floppy disk driver with protective rotation control apparatus |
| 10/08/1991 | US5055949 Disk drive and method for controlling the cleaning of the floppy disk |
| 10/08/1991 | CA1290380C Disc drive spindle motor with low cogging torque |
| 10/02/1991 | EP0449530A2 A memory medium having a control program memorized therein and an information processing method and an information processing apparatus using the same medium |
| 10/02/1991 | EP0449313A2 Image processing method and apparatus |
| 10/02/1991 | CN1055095A Television program receiver-recorder |
| 10/01/1991 | US5054014 Optical disk recording/reproducing apparatus and rotary drive therefor |