| 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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| 01/23/2003 | US20030016592 Magneto-optical head and magneto-optical read/write apparatus |
| 01/23/2003 | US20030016448 Optical device with diffraction grating having plural grating regions |
| 01/23/2003 | US20030016077 Balanced bi-directional current source |
| 01/23/2003 | US20030016027 Voltage measurement circuit with AC-coupled diferential amplifier |
| 01/22/2003 | CN1393011A Scanning device comprising magnetically guide linear motor |
| 01/22/2003 | CN1099670C Optical storing apparatus |
| 01/22/2003 | CN1099666C Optical storing device |
| 01/21/2003 | US6510129 Optical recording medium, manufacturing method of optical recording medium master disk, and cutting device used therefor |
| 01/21/2003 | US6510126 Optical disc having textured structure, and a method of manufacturing the optical disc |
| 01/21/2003 | US6510109 Magnetic head including stepped core and magneto-optical recording device using the same |
| 01/21/2003 | US6510011 Optical scanning device |
| 01/21/2003 | CA2106124C Recording/reproducing apparatus for disc-shaped recording medium, photodetector and optical head |
| 01/16/2003 | WO2003005353A1 Optical information recording medium, original disk for optical information recording medium, and method of manufacturing the original disk |
| 01/16/2003 | US20030012088 Device and method for recording information |
| 01/16/2003 | US20030011087 Simultaneous two-sided rolling bead process |
| 01/16/2003 | US20030010943 Image recording medium |
| 01/16/2003 | US20030010910 Continuous fiber of single-wall carbon nanotubes |
| 01/15/2003 | CN1391214A Data storage media by oriented light beam and near field light source |
| 01/15/2003 | CN1099102C 光学头 The optical head |
| 01/14/2003 | US6507540 Hybrid optical head for data storage |
| 01/14/2003 | US6507539 Magneto-optical recording device having optical head and magnetic head moving independently |
| 01/14/2003 | US6506469 Surface-side reproduction type optical recording medium |
| 01/09/2003 | WO2003003363A1 sAGNETO-OPTICAL RECORDING MEDIUM AND ITS PRODUCTION METHOD |
| 01/09/2003 | WO2003003352A1 Method and apparatus of magnetic recording and magnetic recording medium for use therein |
| 01/09/2003 | US20030009246 Trick play for MP3 |
| 01/09/2003 | US20030009002 Polycarbonates for optical use, and their applications |
| 01/09/2003 | US20030007442 Light intensity modulated direct overwrite magneto-optical microhead array chip hard disk drive |
| 01/09/2003 | US20030007440 Record carrier and apparatus for scanning the record carrier |
| 01/09/2003 | US20030007437 Record carrier for storing a digital work |
| 01/09/2003 | US20030007428 Magnetic head for magneto-optical recording and magneto-optical recording apparatus for magnetic field modulation method |
| 01/09/2003 | US20030007427 Method for driving magnetic head and driving circuit of magneto-optical disk drive |
| 01/08/2003 | EP1274078A1 Information storage apparatus and write and/or erase method |
| 01/08/2003 | EP0655740B1 Recording medium management method |
| 01/08/2003 | CN1390350A Magnetic media patterning utilizing heat-induced phase transition |
| 01/08/2003 | CN1098522C Multilayer film material system |
| 01/08/2003 | CN1098520C Motor control apparatus, motor control method, disk device and disk accessing method |
| 01/07/2003 | US6504811 Optical information storage unit |
| 01/07/2003 | US6504805 Track identification generation for optical disk |
| 01/07/2003 | US6504803 Optical disk apparatus |
| 01/07/2003 | US6504797 Magneto-optical recording medium having multiple magnetic layers and reproducing method thereof |
| 01/07/2003 | US6504796 Magneto-optical head having thickness of the core same as a track width |
| 01/07/2003 | US6504665 Method and apparatus for magnetic recording |
| 01/03/2003 | WO2003001517A1 Optical recording medium |
| 01/02/2003 | US20030003326 Land and groove recording is adopted and an intensity of a magnetic field for reproduction is reduced; magnetic super resolution reproduction |
| 01/02/2003 | US20030002415 Optical disk and optical disk drive device |
| 01/02/2003 | US20030002407 Reproduction power control method, reproduction power control device, and record reproducing device incorporating the same |
| 01/02/2003 | US20030002397 Magneto-optical recording medium |
| 01/02/2003 | US20030002396 Optical storage device having optical head and magnetic head |
| 01/02/2003 | EP1271511A2 Method and apparatus for preventing illegal copying and illegal installation of information on optical recording medium |
| 01/02/2003 | EP1271490A2 Optical disk |
| 01/02/2003 | EP1268604A1 Polyester carbonate and a data carrier therefrom |
| 01/02/2003 | EP0706174B1 Method and apparatus for preventing illegal copying and illegal installation of information on optical recording medium |
| 01/01/2003 | CN1388957A Method of manufacturing a magnetic head having a planar coil |
| 01/01/2003 | CN1388531A Optical disk and optical disk driver |
| 01/01/2003 | CN1388528A Magnetic-optical recording medium |
| 01/01/2003 | CN1388520A Reproducing method and apparatus for optical information medium |
| 01/01/2003 | CN1097817C Spare sector zone and calibration sector management capable of writing once reading several times optical disc |
| 12/31/2002 | US6501728 Optical disc having groove and land tracks |
| 12/31/2002 | US6501725 Method of recording/reproducing an information signal |
| 12/31/2002 | US6501720 Apparatus for recording and/or reproducing information and/or from optical information record disk |
| 12/31/2002 | US6501713 Apparatus for recording and/or reproducing information and/or from optical information record disk |
| 12/31/2002 | US6501707 Method and apparatus for recording with a magneto-optical recording medium applying one period of an alternating magnetic field to a unit domain length |
| 12/31/2002 | US6501601 Optical device with diffraction grating having plural grating regions |
| 12/27/2002 | WO2002103694A1 Method and apparatus for reading from a domain expansion recording medium |
| 12/27/2002 | WO2002103693A1 Method and apparatus for reading from a domain expansion recording medium |
| 12/27/2002 | WO2002103692A1 Magneto-optical recording for improved domain expansion reading |
| 12/26/2002 | US20020196712 Magneto-optical recording medium, and method and apparatus for producing the same |
| 12/26/2002 | US20020196076 Filter circuit |
| 12/24/2002 | US6498694 Servo error integration in read-channel equalization |
| 12/24/2002 | US6498330 Spherical aberration detector and optical pickup device |
| 12/19/2002 | US20020193233 For use as a substrate for information recording media such as, e.g., hard disks and optomagnetic disks, a substrate for electrical/electronic parts, an optical part |
| 12/19/2002 | US20020192421 Composite glassy carbon disk substrate for a data storage device and method for fabricating same |
| 12/19/2002 | US20020191527 Readout method and apparatus for optical information medium |
| 12/19/2002 | US20020191520 Optical disk and optical disk apparatus |
| 12/19/2002 | US20020191507 Information playback apparatus |
| 12/19/2002 | US20020191498 Inductance device driving system, information storage apparatus, and inductance device driving method |
| 12/19/2002 | US20020191497 Magneto-optical recording for improved domain expansion reading |
| 12/19/2002 | US20020191496 Signal recording/playback apparatus, and recording compensation method and playback method used therefor |
| 12/19/2002 | US20020191495 Method and apparatus for reading from a domain expansion recording medium |
| 12/19/2002 | US20020191386 Illumination device for simulation of neon lighting |
| 12/19/2002 | US20020191273 Integrated micro-optical systems |
| 12/18/2002 | CN1386269A Optical pickup device and recording and/or reproducing device |
| 12/17/2002 | US6496450 Optical recording/reproducing apparatus, optical rotating recording medium, and method of designing optical recording/reproducing apparatus |
| 12/17/2002 | US6495308 Optical recording method and optical recording medium |
| 12/12/2002 | WO2002099846A2 Integrated semiconductor devices for interacting with magnetic storage media |
| 12/12/2002 | WO2002099800A1 Magneto-optic recording medium device |
| 12/12/2002 | WO2002099795A1 Optical disk recording and/or reproducing apparatus, and recording and/or reproducing method |
| 12/12/2002 | WO2002061734A3 Mechanical data processing |
| 12/12/2002 | US20020186642 Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same |
| 12/12/2002 | US20020186627 Apparatus for recording and/or reproducing information and/or from optical information record disk |
| 12/12/2002 | US20020186623 Magneto-optical recording medium processing apparatus |
| 12/12/2002 | US20020186506 Magnetic recording medium and magnetic recording apparatus using same |
| 12/12/2002 | DE10158421A1 Verarbeitungsvorrichtung für ein magnetooptisches Aufzeichnungsmedium Processing apparatus for a magneto-optical recording medium |
| 12/11/2002 | CN1384964A 便携式数据存储装置 The portable data storage device |
| 12/11/2002 | CN1096066C Optical information recording medium |
| 12/10/2002 | US6493299 Dubbing system and dubbing method |
| 12/10/2002 | US6493183 Thermally-assisted magnetic recording system with head having resistive heater in write gap |
| 12/10/2002 | US6493156 High resolution lens |
| 12/10/2002 | US6493013 Method for recording and reproducing information, apparatus therefor and recording medium |
| 12/10/2002 | US6492889 Electromagnetic actuator for obtaining micro movement and micro rotation of an object |