| Patents for G11B 11 - Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group; Record carriers therefor (14,351) |
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| 04/13/1999 | US5894460 Magneto-optical card recording apparatus employing an initialization magnet and a recording magnet |
| 04/13/1999 | US5894459 Optical recording/reproducing device having a controller for reducing vibrational noise during recording by slowing moving speed of pickup |
| 04/13/1999 | US5894458 Apparatus for supporting and connecting a magnetic field modulation head to be used for a photomagnetic recording including a spring plate member having a conductive part electrically connecting the head to a supporting frame |
| 04/08/1999 | WO1999017286A1 Non-mechanical recording and retrieval apparatus |
| 04/08/1999 | DE19843713A1 Thermomagnetic recording/playback head useful for hard disk drive |
| 04/07/1999 | EP0907180A2 Digital signal recording apparatus, recording method thereof, remote controlling apparatus for use therewith, remote controlling method thereof, and dubbing system for use therewith |
| 04/07/1999 | EP0907168A2 Magneto-optical recording-reproducing method and apparatus |
| 04/07/1999 | EP0907167A2 Optical reproducing device and optical memory medium |
| 04/07/1999 | EP0907166A2 Magnetic field generator for magneto-optics memory apparatus |
| 04/07/1999 | EP0469727B1 Optical disc record/playback apparatus |
| 04/07/1999 | CN1213125A Optical disc device and optical disk |
| 04/06/1999 | US5892745 System and method to compensate for data defects within a magneto-optical computer memory device |
| 04/06/1999 | US5892742 Optical storage apparatus |
| 04/06/1999 | US5892634 Method and apparatus for heat positioning control in disk storage system |
| 04/01/1999 | WO1999016061A1 Apparatus and method for differential wax-wane focusing and push-pull tracking for magneto-optical data storage |
| 04/01/1999 | WO1999015925A1 A fiber bundle switch |
| 03/31/1999 | EP0905685A1 Optical recording method and optical recorder |
| 03/31/1999 | EP0905683A2 Optical disk device and optical disk |
| 03/31/1999 | EP0904586A2 Optical recording method and apparatus using this method |
| 03/31/1999 | CN1212419A Digital signal recording apparatus, reproducing apparatus thereof, recording method thereof, reproducing method thereof, and remoto controlling apparatus |
| 03/30/1999 | US5890187 Storage device utilizing a motion control circuit having an integrated digital signal processing and central processing unit |
| 03/30/1999 | US5889747 Automatic editing/recording device and dubbing system loaded with the device |
| 03/30/1999 | US5889744 Magneto-optical disk recording device and capable of verifying recorded state during recording and checking erased state during erasing |
| 03/30/1999 | US5889740 Magneto-optical recording medium and magneto-optical recording method |
| 03/30/1999 | US5889739 Magnetooptical recording medium and information recording and reproducing methods using the recording medium |
| 03/30/1999 | US5889641 Magneto-resistive magneto-optical head |
| 03/23/1999 | US5886973 Optical disk and playback method for setting an optimum playback beam intensity based on read playback beam intensity data |
| 03/23/1999 | US5886969 High-density information recording/reproducing method |
| 03/23/1999 | US5886967 Apparatus for recording data on a recording medium and for deleting a silent portion of the recorded data |
| 03/23/1999 | US5886959 Thin-film electro-magnetic coil design for use in a flying magneto-optical head |
| 03/23/1999 | US5886958 Information recording apparatus and method for modulated magneto-optical recording medium |
| 03/17/1999 | CN1211334A Recorder |
| 03/16/1999 | US5883872 Near field magneto-optical recording system employing slit illumination |
| 03/16/1999 | US5883868 Magneto-optical disk recording device capable of checking erased state during erasing |
| 03/16/1999 | US5883865 Apparatus for recording and/or reproducing a recording medium with editing functions |
| 03/16/1999 | US5883863 Magneto-optical reading method and apparatus and magneto-optical recording medium used for execution of the method |
| 03/16/1999 | US5883741 Optical head device and birefringent diffraction grating polarizer and polarizing hologram element used therein |
| 03/10/1999 | EP0901121A2 Thermomagnetic recording method |
| 03/10/1999 | EP0901120A2 Reading and writing stored information by means of electrochemistry |
| 03/10/1999 | EP0901119A2 Optical drive system having servomotor operated relative to maximum quad sum signal |
| 03/10/1999 | CN1210609A Digital recording method, digital disk, digital disk recording device, and digital disk reproducing device |
| 03/09/1999 | US5881043 Optical pickup with a first detector to receive reflected data component signal and a second detector to receive reflected other component signal |
| 03/09/1999 | US5881042 Flying head with solid immersion lens partially mounted on a slider |
| 03/09/1999 | US5881041 Apparatus for recording and reproducing information |
| 03/09/1999 | US5881038 Method and apparatus for preventing illegal copy or illegal installation of information of optical recording medium |
| 03/09/1999 | US5881030 Downsized magneto-optical disk drive device |
| 03/09/1999 | US5880908 Gimbal assembly for a magnetic head slider and a suspension for supporting and fixing the magnetic head slider |
| 03/09/1999 | US5879822 Magneto-optical recording medium using in-plane magnetization film and capable of reproducing at super-high resolution and method of reproducing for such medium |
| 03/09/1999 | CA2096553C Recording medium capable of suppressing resonance from recording and reproducing devices |
| 03/09/1999 | CA2082135C Magneto-optical disk reproducing intensity control system |
| 03/04/1999 | WO1999010884A1 Optical disc type recording medium |
| 03/04/1999 | WO1999010882A1 Objective actuator |
| 03/04/1999 | DE19813872A1 Optical storage arrangement |
| 03/04/1999 | DE19813871A1 Optical storage arrangement |
| 03/04/1999 | DE19807272A1 Optical storage arrangement |
| 03/03/1999 | EP0899727A2 Signal-reproducing method utilizing magnetic domain wall displacement and apparatus therefor |
| 03/03/1999 | EP0899726A2 Information recording-reproducing method and magneto-optical medium |
| 03/03/1999 | EP0898713A1 Optical recording measurement package |
| 03/03/1999 | CN1209625A Disk recording/or reproducing device and motor-driven control circuit |
| 03/02/1999 | US5878022 High density optical information recording medium using high refractive index layer |
| 03/02/1999 | US5878015 Laser driver for controlling electrical current passed to a laser in an optical disc system |
| 03/02/1999 | US5878009 Disk drive including recording medium having disk operation information recorded thereon |
| 03/02/1999 | US5878008 Optical recording/reproducing method and apparatus for controlling irradiation position of an optical spot |
| 03/02/1999 | US5878005 Information recording/reproducing apparatus for periodically executing servo processing |
| 03/02/1999 | US5876858 Magneto-optical recording medium with magnetic film having large magnetic anisotropy |
| 03/02/1999 | US5876807 Magneto-optical recording medium production method |
| 02/25/1999 | WO1999009548A1 Disk and drive system and methods with carbon overcoat for load/unload applications |
| 02/25/1999 | WO1998053455A3 System and method for cleaning head assemblies and data storage disks |
| 02/24/1999 | CN1208923A Method and apparatus for mfg. disc-shaped recording medium |
| 02/23/1999 | US5875169 Magneto-optic data storage device having multiple data storage levels |
| 02/23/1999 | US5875158 Servo control system for information storage device |
| 02/23/1999 | US5875155 Optical disk unit having reduced recording and reproducing errors |
| 02/23/1999 | US5874730 Optical pickup employing a vertical cavity surface-emitting laser diode |
| 02/17/1999 | CN1208225A Information recording carrier and manufacturing method thereof |
| 02/17/1999 | CN1208221A Superresolution optical pickup apparatus |
| 02/16/1999 | US5872763 Method and device for recording on optical disc |
| 02/16/1999 | US5871881 Multilayer optical information medium |
| 02/16/1999 | US5871855 Magneto-optical recording medium and method of using same |
| 02/16/1999 | CA2080981C Magneto-optical recording method and magneto-optical memory device |
| 02/10/1999 | EP0896333A2 Distribution system, distribution method, reception apparatus and reception method |
| 02/10/1999 | EP0896328A1 Information recording carrier and manufacturing method thereof |
| 02/10/1999 | EP0896326A2 Reproducing light quantity control method for optical memory device, and reproducing light quantity control device, and optical recording medium |
| 02/10/1999 | CN1207822A Magneto-optic recording medium and reproduction method thereof |
| 02/09/1999 | US5870583 Method of editing information for managing recordable segments of a recording medium where scanned and reference addresses are compared |
| 02/09/1999 | US5870375 Disk-shaped recording medium with a groove section having a wobbling side wall |
| 02/09/1999 | US5870362 Slider for optical disc data storage system |
| 02/09/1999 | US5870361 Device and system for reading recording media with cross-talk correction circuitry |
| 02/09/1999 | US5870353 Magneto-optic recording medium, having the lands and grooves magnetized in one direction |
| 02/04/1999 | WO1999005679A1 Positive pressure optical slider having trailing end side pads |
| 02/04/1999 | WO1999005678A1 Slider for optical disc data storage system |
| 02/04/1999 | WO1999005677A1 Optical information recording medium |
| 02/04/1999 | WO1999005675A1 Data storage on a storage medium |
| 02/04/1999 | WO1999005673A1 An improved gimbal for a head of a disc drive |
| 02/04/1999 | WO1999005672A1 Disk drive system, process and components thereof for improved disk stiffness |
| 02/04/1999 | WO1999005530A1 Probe, method of its manufacturing, and probe-type memory |
| 02/04/1999 | WO1998050911A3 Information processing with a plurality of optical discs |
| 02/04/1999 | DE19833577A1 Cleaning cartridge for mini-disc player |
| 02/03/1999 | EP0895235A2 Magneto-optical recording medium and writing and readout method therefor |
| 02/03/1999 | EP0894342A1 Geometrically enhanced magnetoresistance in trilayer tunnel junctions |
| 02/03/1999 | CN1206915A 磁头装置 Head means |