| 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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| 10/10/2000 | US6130807 Information storage disc having a curved disc surface |
| 10/10/2000 | US6130797 Magnetic recorder and magnetooptical recorder |
| 10/10/2000 | US6130779 Near field magneto-optical head made using wafer processing techniques |
| 10/10/2000 | CA2061374C Disc recording and/or reproducing method and apparatus |
| 10/05/2000 | WO2000058960A1 Optical pickup |
| 10/05/2000 | WO2000058959A1 Magneto-optical disk recorder or player, signal recording or reproducing method, and magneto-optical disk medium |
| 10/05/2000 | WO2000058955A1 Method and apparatus for encoding identification information on a magnetic disc |
| 10/05/2000 | WO2000058951A1 Magnetic head drive circuit and magnetic recorder |
| 10/05/2000 | DE19958615A1 Magneto-optical type recording drive with improved phase compensation mechanism for recording traces so that different phase compensation is applied to peaks and grooves on a recording disk |
| 10/05/2000 | DE19642346C2 Optischer Kopf für optisches Plattenlaufwerk An optical head for optical disk drive |
| 10/04/2000 | EP1041544A2 Optical recording/reproducing apparatus and seek method therefor |
| 10/04/2000 | EP1040472A1 Optical disc and apparatus for scanning the optical disc |
| 10/04/2000 | CN1268741A Optical information storage device with give phase compensation acording reprodued information recording track |
| 10/03/2000 | US6128274 Optical recording disk capable of suppressing bimetallic effects caused by thermal expansion |
| 10/03/2000 | US6128272 Recording medium |
| 10/03/2000 | US6128269 Optical disc, optical disc device, and method for recording an optical disc |
| 10/03/2000 | US6128266 DC offset removing circuit for magneto-optical recording medium |
| 10/03/2000 | US6128264 Dual format audio signal compression |
| 10/03/2000 | US6128256 Apparatus and method for positioning an optical head over a disk having pre-groups with encoded address information |
| 10/03/2000 | US6128254 Magneto-optical recording medium and reproducing method for information recorded on the medium |
| 10/03/2000 | US6128122 Micromachined mirror with stretchable restoring force member |
| 10/03/2000 | US6127017 Substrate for information recording disk, mold and stamper for injection molding substrate, and method for making stamper, and information recording disk |
| 09/28/2000 | WO2000057413A1 Method and device for analysing optical storage media materials |
| 09/28/2000 | WO2000057408A1 Method for optically recording information and device for optically recording information by the same |
| 09/27/2000 | EP1039458A2 Optical head and coil assembly used for the same |
| 09/27/2000 | EP1039452A2 Optical information storage medium having lands and grooves both serving as recording tracks |
| 09/27/2000 | EP1039451A2 Optical disc substrate |
| 09/26/2000 | US6125099 Disk drive system, process and components thereof for improved disk stiffness |
| 09/26/2000 | US6125095 Luminescent recording layer holding a plurality of positive or negative charges |
| 09/26/2000 | US6125093 Optical disk recording and retrieving device |
| 09/26/2000 | US6125085 Optical recording method and device for optimally controlling the width of the recording marks |
| 09/26/2000 | US6125084 Optical disk device using a recording medium structurally arranged to generate a recording clock |
| 09/26/2000 | US6125083 Magneto-optical recording method and medium comprising three layers, whose middle layer has a lower curie temperature than the other layers |
| 09/26/2000 | US6124048 Substrate, first magnetic layer for reading info, second intermediate magnetic layer, and third magnetic layer for storing info; curie temperature of second layer is lower than the first and third layers; high signal to noise ratio |
| 09/21/2000 | WO2000055237A1 Polycarbonates suitable for use in optical articles |
| 09/21/2000 | WO2000054982A1 Information recording medium and method for manufacturing the same |
| 09/21/2000 | WO2000023840A8 Near field optical scanning system employing microfabricated solid immersion lens |
| 09/20/2000 | EP1037207A2 Optical memory apparatus |
| 09/19/2000 | US6122243 Optical information recording apparatus, optical recording medium, and method or judging tracking polarity of optical recording medium |
| 09/19/2000 | US6122233 Optical disk having virtually constant width recording track and optical disk apparatus |
| 09/19/2000 | US6122232 Isolation apparatus for use in disc drive system to mitigate effects of undesired mechanical forces and disc drive system including same |
| 09/19/2000 | US6122229 Magneto-optically recorded data readout system |
| 09/19/2000 | US6122228 Magneto-optical recording medium and reproduction method therefor |
| 09/19/2000 | US6120921 Magneto-optical recording medium |
| 09/14/2000 | WO2000054090A1 Improved optical reflector for micro-machined mirrors |
| 09/13/2000 | EP0950209B1 Device for deflecting light beams |
| 09/13/2000 | CN1266262A Displacement control circuit and control method |
| 09/13/2000 | CN1266261A Optic head and optic recording and/or reproducing apparatus |
| 09/13/2000 | CN1266258A Magnetic head device and recording/reproducing equipment using same |
| 09/12/2000 | US6118752 Optical information recording medium offset pre-pit array indicating identification information |
| 09/12/2000 | US6118748 Optical information storage unit having phase compensation means for applying different phase compensation quantities with respect to signals detected from land and groove of recording medium |
| 09/12/2000 | US6118736 Magneto-optical recording medium having a reading layer in which transferred recording marks are extended |
| 09/12/2000 | US6118632 Magnetic disk stack having laser-bump identifiers on magnetic disks |
| 09/12/2000 | US6117544 Magneto-optical recording medium |
| 09/12/2000 | CA2027870C Magnetooptical recording medium and method for manufacturing the same |
| 09/07/2000 | DE10009873A1 Magnetic head device for recording/reproduction device has field generating part with coil wound around magnetic core and embedded in sliding element and hence made in one piece with it |
| 09/06/2000 | EP1033714A2 Data recording media |
| 09/06/2000 | EP1033713A2 Data record media |
| 09/06/2000 | EP1033712A2 Data record media |
| 09/06/2000 | EP1033706A1 Electrostatic information recording medium and electrostatic information recording and reproducing method |
| 09/06/2000 | EP1033704A1 Method for determining a writing condition for a data recording medium and information recording/reproducing apparatus |
| 09/06/2000 | EP1032937A1 Optical recording systems and media with integral near-field optics |
| 09/05/2000 | US6115350 Optical disk having write power adjustment portion |
| 09/05/2000 | US6115348 Information storage systems utilizing media with optically-differentiated data sites |
| 09/05/2000 | US6115347 Optical pick-up device, optical recording/reproducing apparatus and objective lens |
| 09/05/2000 | US6115345 Super-resolution optical head apparatus |
| 09/05/2000 | US6115338 Optical storage apparatus |
| 09/05/2000 | US6115330 Optical information storage unit for recording and/or reproducing information on both the lands and the grooves of an optical medium |
| 09/05/2000 | US6115329 Air bearing surface design for constant fly height profile |
| 08/31/2000 | WO2000051116A1 Magnetic head device and record/playback device |
| 08/31/2000 | WO2000033298A3 Monolithic optical head |
| 08/30/2000 | EP1031976A2 Magneto-optical head and magneto-optical device and magneto-optical recording/reproducing method |
| 08/30/2000 | EP1031972A2 Optical information recording medium |
| 08/30/2000 | EP1031143A1 Highly oriented magnetic thin films, recording media, transducers, devices made therefrom and methods of making |
| 08/30/2000 | CN1265218A Improved suspension design for head gimbal assembly |
| 08/29/2000 | US6112160 Optical recording measurement package |
| 08/29/2000 | US6111840 Reducing phase distortion in a near-field optical data storage system |
| 08/29/2000 | US6111823 Method for recording information data on magneto-optical recording medium without cross-erasing |
| 08/29/2000 | US6111822 Magnetic head with large cross-sectional area core for use with magnetically induced super resolution medium and magneto optical recording apparatus |
| 08/29/2000 | US6110610 Photomagnetic recording medium and film forming method |
| 08/23/2000 | EP1030299A2 Magneto-optical recording medium |
| 08/23/2000 | EP1030298A2 Optical recording/reproducing apparatus |
| 08/23/2000 | EP1030295A2 Optical information recording/reproducing apparatus |
| 08/23/2000 | EP1030294A2 Optical information memory apparatus and optical head |
| 08/23/2000 | EP1030293A2 Multiple data surface optical medium and data storage system |
| 08/22/2000 | US6108297 Optical disk with a uniform film thickness by having different angles of inclination for the side surfaces of grooves |
| 08/22/2000 | US6108280 Optical information storage unit |
| 08/17/2000 | WO2000048180A1 Magneto-optical recording medium and magneto-optical recording device |
| 08/17/2000 | WO2000048172A2 Data storage media |
| 08/16/2000 | EP1028424A1 Magneto-optic recording medium |
| 08/16/2000 | EP1028420A2 Magneto-optical recording medium |
| 08/16/2000 | EP1028414A1 Optical recording medium |
| 08/16/2000 | EP1028413A2 Optical recording medium, stamper for use to produce the optical recording medium, and method of producing the stamper |
| 08/15/2000 | US6104685 Information recording apparatus |
| 08/15/2000 | US6104676 Apparatus for reproducing magneto-optical information utilizing magnetic domain displacement, method therefor, and method for information recording |
| 08/15/2000 | US6104675 Method and apparatus for reading and writing magneto-optical media |
| 08/15/2000 | US6103407 Magneto-optical recording medium and method of using same |
| 08/10/2000 | WO2000011670A9 Heated head for data storage systems |
| 08/09/2000 | EP1026676A2 Lens assembly and optical head using the same |
| 08/09/2000 | CN1262768A Reproducing method for magneto-optic recording medium, and magneto-optic disk device |