| 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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| 04/19/1994 | US5304878 Electronic parts and connector mounting structure of disk unit |
| 04/13/1994 | EP0592214A2 Compound ball-bearing |
| 04/13/1994 | EP0591708A2 Method and system for enhanced efficiency in multi-head data accessing within a data processing storage subsystem |
| 04/13/1994 | EP0591448A1 Removable cartridge disk drive with cartridge interlocking and spindle motor telescoping mechanisms |
| 04/12/1994 | US5303218 Digital recorder for reproducing only required parts of audio signals wherein a plurality of parts of audio signals are stored on a same track of a recording medium |
| 04/12/1994 | US5303215 Self-timing optic lathe |
| 04/12/1994 | US5303107 System for holding a track counter active despite power suspension in rotating disk data storage apparatus |
| 04/12/1994 | US5303100 Magnetic disk device with floating-type magnetic head |
| 04/12/1994 | US5303099 Hard disk driver including a flying head slider |
| 04/12/1994 | US5303097 Disk synchronization control system and method |
| 04/12/1994 | CA1328505C Removable cartridge disc drive with radial arm voice coil actuator |
| 04/07/1994 | DE4233355A1 Switching-over operating modes for portable equipment such as CD player - using carrying handle to interact with sensor to cause changeover if exposed to shock condition risk |
| 04/06/1994 | EP0590878A2 Data block sequencing using ID after embedded servo sector in disk drive |
| 04/06/1994 | CN2160940Y Disk writing protecting structure for microcomputer |
| 04/05/1994 | US5301293 Logic circuit for selecting signals indicative of operating states of floppy disk apparatus |
| 04/05/1994 | US5301181 Information dubbing apparatus with automatic ejecting of reproduced medium and restart of recording |
| 04/05/1994 | US5301179 Optical disk drive unit with a sealing type bearing member |
| 04/05/1994 | US5301173 Optical recording apparatus with two tracking error signals |
| 04/05/1994 | US5301172 Method of storing user information items and apparatus for reproducing stored items |
| 04/05/1994 | US5301041 Optical information recording and reproducing apparatus |
| 04/05/1994 | US5300873 Motor control apparatus |
| 04/05/1994 | US5300849 Device for eliminating the axial and radial play of an axle |
| 04/05/1994 | CA1328311C Protection circuit for optical disc players |
| 03/31/1994 | WO1994007241A1 Low height two and one-half inch form factor disk drive |
| 03/31/1994 | DE4232864A1 Rotation angle, revolution rate and rotation direction measurement - using analogue and digital encoder with differentiation and integration of signals. |
| 03/30/1994 | EP0589611A2 Recording/reproducing apparatus for disc-shaped recording medium, photodetector and optical head |
| 03/29/1994 | US5299277 Flexible disk drive device |
| 03/29/1994 | US5299185 Disc player for playing both naked disc and cartridge-encased disc |
| 03/29/1994 | US5299075 Apparatus and method for shock attenuation in a disk recording and/or reproduction system using variable gain acceleration sensor |
| 03/29/1994 | US5298840 Motor control circuit and motor drive system using the same |
| 03/29/1994 | US5298812 Regulating circuit as for controlling the speed of a motor |
| 03/29/1994 | CA1328133C Analog signal switching device for use in an optical memory device |
| 03/23/1994 | EP0588527A1 Disk drive synchronisation |
| 03/23/1994 | EP0588490A1 Electric motor for a printer and a disk drive with a magnetic bearing device |
| 03/23/1994 | EP0588337A1 Method of recording and playback of data |
| 03/23/1994 | EP0588305A2 Optical information recording medium and optical information recording/reproducing apparatus |
| 03/23/1994 | EP0294490B1 Optical disc discriminating device |
| 03/22/1994 | US5297133 Optical disc cartridge and mechanism for preventing an incorrect insertion of a cartridge |
| 03/22/1994 | US5297115 Detection of saved sectors on an optical disk |
| 03/22/1994 | US5296995 Method of magnetically recording and reading data, magnetic recording medium, its production method and magnetic recording apparatus |
| 03/22/1994 | US5296981 Disk drive apparatus |
| 03/22/1994 | US5296978 Information signal reproducing apparatus |
| 03/17/1994 | WO1994006118A1 On-the-fly splitting of disk data blocks |
| 03/17/1994 | WO1994006115A1 Ultra slim data storage module |
| 03/16/1994 | EP0587449A2 Video game apparatus |
| 03/16/1994 | EP0587388A2 Disc recording apparatus |
| 03/16/1994 | CN1083960A Fluid drive system for a rotating medium |
| 03/16/1994 | CN1083957A Method and system for adaptive digital linearizati on of magnetoresistive head output |
| 03/15/1994 | US5295029 Disk drive including unitary deck for aligning and supporting axially retractable spindle assembly |
| 03/15/1994 | US5295028 Spindle assembly with labyrinth seals and hub/back iron spacers |
| 03/15/1994 | US5295027 Disk drive with socket and plug interconnection to spindle motor |
| 03/15/1994 | US5295026 Magnetic disk drive |
| 03/10/1994 | DE4330614A1 Head positioner control system for magnetic and magneto=optical disk storage device drives - contains head drive controller with periodic positioning error compensation system contg. repetitive controllers |
| 03/10/1994 | DE4330461A1 Laser disc and compact disc player - allows different sizes of discs to be used with selector mechanical for locating discs in position on drive unit |
| 03/10/1994 | DE4321714A1 Optical disc drive with microprocessor controlled loading system - has disc cassette loading mechanism with reversible motor to move cassette to and from operating positions |
| 03/09/1994 | EP0586189A2 Data recording apparatus and methods |
| 03/09/1994 | EP0586084A2 Reproducing apparatus |
| 03/09/1994 | EP0586062A1 Amplifier for magnetoresistive sensor |
| 03/09/1994 | EP0585979A1 Miniature disk drive having embedded sector servo with split data fields and automatic on-the-fly data block sequencing |
| 03/09/1994 | CN1083616A Method and circuit for braking and driving of disc system in early stage |
| 03/08/1994 | US5293625 Signal selecting circuit which selectively outputs predetermined signal to host computer compatible with plurality of computer hardware types and disk drive having such signal selecting circuit |
| 03/08/1994 | US5293601 Floppy disk control unit and apparatus having a floppy disk control unit |
| 03/08/1994 | US5293566 Information recording and reproducing apparatus |
| 03/08/1994 | US5293361 Information processing method and apparatus therefor in which an erasing device is driven for a period longer than a necessary period |
| 03/08/1994 | US5293358 Apparatus and method for generation of integrated composite audio-visual works |
| 03/08/1994 | US5293278 Circuit for selectively switching read signals from a multiple magnetic head into a memory |
| 03/08/1994 | US5293273 Voice actuated recording device having recovery of initial speech data after pause intervals |
| 03/02/1994 | EP0584855A1 Spindle control method and apparatus for disk drive |
| 03/02/1994 | EP0584834A2 Optical disc recording/reproducing apparatus |
| 03/02/1994 | CN1083253A Method for reducing lead-in a laser disk reproducing apparatus |
| 03/02/1994 | CN1083252A Zoned record carrier |
| 03/01/1994 | US5291467 Disc recording apparatus for recording a signal without losing the signal during an occurrence of a track jump |
| 03/01/1994 | US5291462 Optical disk having playback parameters recorded thereon and method for using same |
| 03/01/1994 | US5291358 Magnetic recording device |
| 03/01/1994 | US5291357 Magnetic recording device having reduced electromagnetic interference |
| 02/24/1994 | DE4326296A1 Magnetic disc with geometry for ease of head access when in stack - has substrate of disc shape having thickness reducing from inner section to outer edge |
| 02/23/1994 | EP0583416A1 Optical data storage and retrieval system and method |
| 02/23/1994 | CN1082751A Eccentrieity compensator for optical disk player and compensating method therefor |
| 02/22/1994 | US5289451 Optical information recording/reproduction apparatus including means for detecting the type of recording medium |
| 02/22/1994 | US5289450 Method of and apparatus for playing back recordable optical disc |
| 02/22/1994 | US5289448 Rotation control apparatus for use with recording medium |
| 02/22/1994 | US5289443 Apparatus for playing optical recording media of different recording densities |
| 02/22/1994 | US5289440 Optical reading device and optical recording device |
| 02/22/1994 | US5289439 CD transport apparatus |
| 02/22/1994 | US5289408 Memory apparatus using tunnel current techniques |
| 02/22/1994 | US5289097 Spindle control method and apparatus for disk drive |
| 02/22/1994 | US5288543 Multilaye of plasma polymer and diamond life film, used in audio and video tapes |
| 02/16/1994 | EP0582679A1 Selector for a display device |
| 02/16/1994 | CN1082236A Predictive read-write inhibit decision using fuzzylogic |
| 02/15/1994 | US5287468 Method and apparatus for processing information data |
| 02/15/1994 | US5287342 Apparatus and method for reproducing information |
| 02/15/1994 | US5287333 Notification system with voice in an audio system |
| 02/15/1994 | US5287227 Track dependent variable level qualification pulse detector |
| 02/09/1994 | EP0582464A2 Method and control apparatus for self diagnosis |
| 02/09/1994 | EP0582057A2 Information search and display apparatus |
| 02/08/1994 | US5285437 Audio device having control function with use of card |
| 02/08/1994 | US5285436 Method of avoiding medium defects in record/reproduce apparatus |
| 02/08/1994 | US5285141 Circuit for preventing abnormal rotation of a spindle motor |
| 02/08/1994 | US5285077 Magnetic recording media differentiation system and method with color sensors |
| 02/08/1994 | US5284391 For a rigid-disk recording unit |