| 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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| 04/22/2004 | US20040076047 Dielectric reproducing apparatus, dielectric recording apparatus, and dielectric recording / reproducing apparatus |
| 04/21/2004 | EP1411509A1 sAGNETO−OPTICAL RECORDING MEDIUM AND ITS PRODUCTION METHOD |
| 04/21/2004 | EP1411500A1 Method and apparatus of magnetic recording and magnetic recording medium for use therein |
| 04/21/2004 | CN1490889A High density data memory media and producing method thereof |
| 04/21/2004 | CN1490805A Data memory based on light |
| 04/21/2004 | CN1146891C Optical disc |
| 04/21/2004 | CN1146874C Optical recording medium, detecting data block distinguishing and marking method and optical storage unit |
| 04/20/2004 | USRE38501 Realizing compact size and high signal to noise at pitch below diffraction limit of light |
| 04/20/2004 | US6724715 Optical recording medium having optical reaction layer |
| 04/20/2004 | US6724712 Nanometer scale data storage device and associated positioning system |
| 04/20/2004 | US6724702 Apparatus for reproducing recorded data |
| 04/20/2004 | US6724700 Optical rotating recording apparatus and method with address information and corresponding error correction code |
| 04/20/2004 | US6724694 Disk mastering based on near-field optical systems |
| 04/15/2004 | WO2004032133A1 Domain expansion read-out for improved domain collapse |
| 04/15/2004 | WO2004032118A1 Planar waveguide for heat assisted magnetic recording |
| 04/15/2004 | WO2004032117A1 Storage system using an array of electro-magnetic sensors |
| 04/15/2004 | WO2004032116A1 Read only storage system |
| 04/15/2004 | US20040071068 Information storage medium and method of recording and/or reproducing with respect to the medium |
| 04/15/2004 | US20040071067 Apparatus for recording and/or reproducing information and/or from optical information record disk |
| 04/15/2004 | US20040071050 Annealed domain-wall-displacement type magneto-optical recording medium and method of producing same |
| 04/15/2004 | US20040071021 Mechanical data processing |
| 04/15/2004 | US20040070476 Magnetic head apparatus |
| 04/15/2004 | DE19846166B4 Magnetkopf-Vorrichtung A magnetic head device |
| 04/14/2004 | EP1408494A2 Annealed domain-wall-displacement type magneto-optical recording medium and method of producing same |
| 04/14/2004 | EP1408493A1 Magneto-optic record medium |
| 04/14/2004 | EP1408491A1 Optical recording/reproducing medium, stamper for manufacturing optical recording/reproducing medium, and optical recording/reproducing device |
| 04/14/2004 | CN1489765A Innformation recording apparatus and method |
| 04/14/2004 | CN1489763A Disc device and method for controlling threshold value of disc device |
| 04/14/2004 | CN1145959C Magnetic head lifting device of magneto-optical recorder and/or reproducer |
| 04/13/2004 | US6721247 Disk apparatus and track following control method |
| 04/13/2004 | US6721245 Optical recording medium processing apparatus and seek control method therefor |
| 04/13/2004 | US6721241 Optical information system with motor controlled reflector means in a swivel arm |
| 04/13/2004 | US6721238 Magneto-optical recording medium having multiple magnetic layers capable of reducing reproducing laser power |
| 04/13/2004 | US6721237 Composite magnetic head device for magnetic recording device |
| 04/13/2004 | US6720404 Polycarbonates for optical use, and their applications |
| 04/13/2004 | US6718622 Method of forming an assembly of stacked layers |
| 04/08/2004 | WO2004029942A1 Write-once type optical disc, and method and apparatus for managing defective areas on write-once type optical disc using tdma information |
| 04/08/2004 | WO2004029941A1 Write-once optical disc, and method and apparatus for recording management information on write-once optical disc |
| 04/08/2004 | WO2004029939A1 Write-once type optical disc, and method and apparatus for managing defective areas on write-once type optical disc |
| 04/08/2004 | WO2004029668A2 Optical disc, method and apparatus for managing a defective area on an optical disc of write once type |
| 04/08/2004 | WO2004008444A3 Optical recording and reading system, optical data storage medium and use of such medium |
| 04/08/2004 | WO2002085537A3 Spin coating process |
| 04/08/2004 | US20040066818 Semiconductor laser device and optical disk unit using the same |
| 04/08/2004 | US20040066732 Optical information recording medium, originial disk for optical information recording medium, and method of manufacturing the original disk |
| 04/08/2004 | US20040065818 High-density data storage medium, method of manufacturing the data storage medium, data storage apparatus, and methods of writing data on, and reading and erasing data from the data storage medium by using the data storage apparatus |
| 04/08/2004 | US20040064934 Magnetic head and production method for magnetic heads |
| 04/08/2004 | DE19646432B4 Verfahren und Vorrichtung zum Spritzen von Informationsträgerplatten Method and apparatus for spraying of information carrier plates |
| 04/07/2004 | EP1406257A1 Optical recording medium, production method of optical recording medium, optical recording method and optical reproducing method for optical recording medium |
| 04/07/2004 | EP1406256A1 Magneto-optic recording medium device |
| 04/07/2004 | EP1406253A1 OPTICAL INFORMATION RECORDING MEDIUM, ORIGINAL DISK FOR OPTICAL INFORMATION RECORDING MEDIUM, AND METHOD OF MANUFACTURING THE ORIGINAL DISK |
| 04/07/2004 | CN1488139A Optical lens, focusing lens, optical pickup and optical recording and reproducing device |
| 04/07/2004 | CN1487511A Optical disk recording and/or reproducing apparatus and method for setting recording power and eliminating power |
| 04/07/2004 | CN1145165C Apparatus for recording on recording medium |
| 04/07/2004 | CN1145157C Rewritable optical data storage disk having enhanced flatness |
| 04/06/2004 | US6717905 Optical head and method of making the same |
| 04/06/2004 | US6717901 Storage device having a chasis integral with a stationary optical unit |
| 04/06/2004 | US6716505 Storage medium for data with improved dimensional stability |
| 04/06/2004 | US6716489 Depositing magnetic layer on a substrate to prepare a disc; and irradiating the magnetic layer with a converged light beam while applying a magnetic field and annealing the magnetic layer a converged light beam between information tracks |
| 04/06/2004 | US6715200 Methods for making data storage media |
| 04/01/2004 | WO2004027773A1 Magneto-optical recording medium and magneto-optical recorder |
| 04/01/2004 | WO2004027763A2 Multitrack readback and multiuser detection for disk drives |
| 04/01/2004 | WO2004027759A2 A magneto-optical storage medium |
| 04/01/2004 | WO2004027566A2 Multichannel digital recording system with multi-user detection |
| 04/01/2004 | US20040062503 Planar waveguide for heat assisted magnetic recording |
| 04/01/2004 | US20040062177 Read head for ultra-high-density information storage media and method for making the same |
| 04/01/2004 | US20040062160 Write-once type optical disc, and method and apparatus for managing defective areas on write-once type optical disc using TDMA information |
| 04/01/2004 | US20040062159 Optical disc, method and apparatus for managing a defective area on an optical disc of write once type |
| 04/01/2004 | US20040062152 Device for writing data to a recording medium and method of fabricating same |
| 03/31/2004 | EP1402527A1 Method and apparatus for reading from a domain expansion recording medium |
| 03/31/2004 | EP1402526A1 Method and apparatus for reading from a domain expansion recording medium |
| 03/31/2004 | EP1402525A1 Magneto-optical recording for improved domain expansion reading |
| 03/31/2004 | EP0927331B1 Macroscopically manipulable nanoscale devices made from nanotube assemblies |
| 03/31/2004 | EP0886275B1 Digital recording method |
| 03/31/2004 | CN1486488A Optical disk, recording device for optical disk, reproducing device for optical disk, method of reproducing optical disk and method of producing optical disk |
| 03/31/2004 | CN1144221C Recording apparatus with receiving function and recording apparatus |
| 03/31/2004 | CN1144200C Optical disk device |
| 03/31/2004 | CN1144186C Method of changing rotational rate of storage medium from initial rate to desired rate |
| 03/30/2004 | US6714503 Adaptive recording method and apparatus for high-density optical recording apparatus |
| 03/30/2004 | US6714499 Flying optical recording/playback head and method for controlling the flying height |
| 03/30/2004 | US6714370 Write head and method for recording information on a data storage medium |
| 03/30/2004 | US6713418 Glass article and glass substrate for information recording media using the same |
| 03/30/2004 | CA2083971C Sliding type magnetic head for magneto-optical recording |
| 03/25/2004 | WO2004025646A1 Information recorder, information recording method, optical recording medium, and information processor |
| 03/25/2004 | US20040057663 Semiconductor laser optical output control circuit and optical device |
| 03/25/2004 | US20040057359 Optical disk device |
| 03/25/2004 | US20040057343 Magnetic recording medium, method for producing the same and magnetic recording/reproducing apparatus |
| 03/24/2004 | EP1400956A2 Magnetic recording medium, method for producing the same and magnetic recording/reproducing apparatus |
| 03/24/2004 | CN1484827A Data storage media |
| 03/24/2004 | CN1143311C Method for recording compressed audio frequency data on medium and mehtod for transmitting said data |
| 03/24/2004 | CN1143308C Decoding equipment and decoding method |
| 03/24/2004 | CN1143299C Device for demodulating digital frequency-modulation signal of optical-disc apparatus |
| 03/24/2004 | CN1143297C Optical data storage system of compensating trace error signal and degenerating noise of hard disc |
| 03/24/2004 | CN1143272C Method of forming film magnetic head and magnetic head |
| 03/23/2004 | US6711102 Magneto-optical cleaning disk |
| 03/18/2004 | WO2004023482A1 Reproduction-only recording medium, reproduction device, reproduction method |
| 03/18/2004 | WO2004023481A1 Rom-ram medium and storage device thereof |
| 03/18/2004 | WO2004023480A1 Recording medium having data structure for managing reproduction of still images recorded thereon and recording and reproducing methods and apparatuses |
| 03/18/2004 | WO2004023475A1 Multiplex recording medium, recording/reproducing apparatus, and recording/reproducing method |
| 03/18/2004 | WO2004023470A1 Magneto-optical recording medium and magneto-optical recording apparatus |
| 03/18/2004 | US20040053076 Laser rewritable compact discs/digital video discs |