| 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) |
|---|
| 02/20/2002 | CN1336654A Metal alloy used for reflection or semi-reflection layer of optical memory media |
| 02/20/2002 | CN1336651A Optical element, optical head and signal reproducing method |
| 02/20/2002 | CN1336644A Optical television camera tube device |
| 02/20/2002 | CN1336641A Disc recording medium, method and device for disc recording/reproducing, and method for detecting its tilt |
| 02/20/2002 | CN1336639A CD-disc device |
| 02/20/2002 | CN1079563C 光盘 CD |
| 02/20/2002 | CN1079561C Magnetooptical disc focus and tracking servo and magnetooptical disc servo device using same |
| 02/19/2002 | US6349085 High density recording medium with pit width to track pitch ratio in the range of 0.4 to 0.55 for push-pull tracking servo control |
| 02/19/2002 | US6349082 Optical disc apparatus |
| 02/19/2002 | US6349079 System and method for detecting a head positioning error within a computer memory device |
| 02/19/2002 | US6349076 Magneto-optical recording medium having a protective carbon layer |
| 02/19/2002 | US6349010 Apparatus for recording data in parallel tracks |
| 02/19/2002 | US6348165 Semiconductor having dispersed therein fine magnetic compound particles selected from the group consisting of mnas, mnga, mnsb and mnal; ordinary room temperature; switching the polarization of light |
| 02/14/2002 | WO2002013188A1 Method of manufacturing a magnetic head having a planar coil |
| 02/14/2002 | US20020018419 Optical recording/reproducing apparatus |
| 02/14/2002 | US20020018418 Information recording and/or reproducing apparatus for optical disks having various protective layer thicknesses |
| 02/14/2002 | US20020018414 Information reproduction apparatus, information recording apparatus, and reference mark detection circuit |
| 02/14/2002 | US20020018413 Information reproduction apparatus, information recording apparatus, and reference mark detection circuit |
| 02/14/2002 | US20020018404 Magneto-optical recording medium having different magnetic domain radii in recording layer and reproduction layer |
| 02/14/2002 | US20020018312 Magnetic signal recording method and magnetic recording-reproduction apparatus |
| 02/14/2002 | US20020018110 Information recording apparatus |
| 02/13/2002 | CN1335983A Optical disk and optical disk apparatus |
| 02/13/2002 | CN1335608A Method for controlling CD playback device and laser diode in its circuit |
| 02/12/2002 | US6346322 Magneto-optical recording medium and reproducing device |
| 02/12/2002 | US6346309 Optical recording medium and process for producing same |
| 02/07/2002 | WO2002011133A1 Optical pickup device and recording and/or reproducing device |
| 02/07/2002 | US20020016642 Disk apparatus and track following control method |
| 02/07/2002 | US20020015914 Information recording medium and information recording and reproducing apparatus using the same |
| 02/07/2002 | US20020015377 Optical recording/reproducing apparatus including a mask device for masking marginal rays, in a direction perpendicular to a recording medium track, of a light beam returned from the recording medium |
| 02/07/2002 | US20020015373 Optical storage system with controllable head cleaning mechanism |
| 02/07/2002 | US20020015369 Optical disk apparatus, method of recording on optical disk, and optical disk |
| 02/05/2002 | US6345062 Semiconductor laser control circuit, semiconductor laser apparatus, information recording/reproduction apparatus and image recording apparatus |
| 02/05/2002 | US6345032 Disc type discriminating apparatus for use with disc cartridge and drive device |
| 02/05/2002 | US6345021 System and method of efficient servo sector encoding |
| 02/05/2002 | US6345017 Reproducing apparatus capable of suppressing mechanical noise during access of sub data and main data |
| 02/05/2002 | US6345016 Signal-reproducing method and apparatus utilizing light beam generated temperature distribution and magnetic domain wall displacement |
| 02/05/2002 | US6344917 Galvano mirror unit |
| 01/31/2002 | WO2002007919A1 Metal alloys for the reflective or the semi-reflective layer of an optical storage medium |
| 01/31/2002 | US20020012491 Optical microdevice with rotatable microactuator |
| 01/31/2002 | US20020012307 Information reproducing apparatus |
| 01/31/2002 | US20020012301 Optical recording medium, optical recording method, optical reproducing method, and optical recording/reproducing device |
| 01/31/2002 | US20020012299 Information reproduction apparatus, information recording apparatus, and reference mark detection circuit |
| 01/31/2002 | US20020012295 Record medium andreproducing apparatus of the same having sidewalls wobbled in accordance with address information |
| 01/31/2002 | US20020012197 Magnetic head having a magnetic coil |
| 01/31/2002 | US20020012157 Integrated micro-optical systems |
| 01/31/2002 | US20020011298 Method of fabricating and integrating an optical assembly into a flying head |
| 01/30/2002 | EP1176592A1 Recording/playback apparatus and editing method |
| 01/30/2002 | EP1116225A4 Hard disk vapor lube |
| 01/30/2002 | CN1333943A Rotary electrostatic microactuator |
| 01/29/2002 | US6343062 Optical disk device and optical disk for recording and reproducing high-density signals |
| 01/29/2002 | US6343061 Optical data system and high density optical disk relating thereto |
| 01/29/2002 | US6343054 Recording/reproducing device with memory controller which creates sector data storing area and additive data storing area |
| 01/29/2002 | US6343052 Magneto-optical medium having film with rounded upper corner and thickness decreasing to the side end on lands |
| 01/29/2002 | US6342977 Substrate with check-land, and check-land connecting device |
| 01/24/2002 | WO2002006586A1 Method for grinding a rail and device for carrying out said method |
| 01/24/2002 | US20020010827 A portable data storage device having a secure mode of operation |
| 01/24/2002 | US20020009632 Rewritable data storage using carbonaceous material and writing/reading method thereof |
| 01/24/2002 | US20020009262 Information recording and reproducing apparatus |
| 01/24/2002 | US20020009046 Optical data storage and retrieval system and method |
| 01/24/2002 | US20020009045 Optical information medium |
| 01/24/2002 | US20020009039 Optical pickup device |
| 01/24/2002 | US20020009034 Optical information recording apparatus |
| 01/24/2002 | US20020009030 Optical disk apparatus |
| 01/24/2002 | US20020008930 Thermal-assisted magnetic storage device and method for driving the reading/writing head thereof |
| 01/24/2002 | US20020008894 Optical scanning device |
| 01/24/2002 | US20020008304 Scanning probe microscope (SPM) probe having field effect transistor channel and method of fabricating the same |
| 01/24/2002 | US20020007553 Method of manufacturing slider and slider manufacturing aid |
| 01/23/2002 | EP1174868A2 Metal alloys for the reflective or the semi-reflective layer of an optical storage medium |
| 01/23/2002 | EP1174867A1 Optical recording/reproduction apparatus |
| 01/23/2002 | EP1174858A1 Magnetic head drive circuit and magnetic recorder |
| 01/23/2002 | EP1032937B1 Optical recording systems and media with integral near-field optics |
| 01/23/2002 | CN1332883A Method of optimizing reproduction laser power for magneto-optic recording medium and magneto-optic disk unit using the method |
| 01/22/2002 | US6341278 Recording and reproducing apparatus and method for accessing data stored on a randomly accessible recording medium, and for managing data thereon |
| 01/22/2002 | US6341121 Recorder |
| 01/22/2002 | US6341107 Optical storing apparatus |
| 01/22/2002 | US6341106 Optical disc drive |
| 01/22/2002 | US6341105 Light beam condensing apparatus and method of driving optical recording medium by applying the apparatus |
| 01/22/2002 | US6341102 Data writing/reading apparatus |
| 01/22/2002 | US6340555 Information recording medium and information recording and reproducing apparatus using the same |
| 01/17/2002 | US20020006106 Optical recording medium having prepits deeper than grooves |
| 01/17/2002 | US20020006102 Near field magneto-optical head having read and write pinhole apertures |
| 01/17/2002 | US20020006083 Disc drive suspension and head |
| 01/17/2002 | US20020006082 Magneto-optic recording and reproduction device |
| 01/17/2002 | US20020005888 Method for recording and reproducing information, apparatus therefor and recording medium |
| 01/16/2002 | EP1172809A1 Optical disk device |
| 01/16/2002 | EP1171505A1 Optical quality polycarbonates with reduced static charge and method for making same |
| 01/16/2002 | CN1331714A Polycarbonates with low yellowness index |
| 01/16/2002 | CN1077995C Slide magnetic head for photomagnetic recording |
| 01/15/2002 | US6339571 Storage medium recorded with recording/reproducing conditions depending upon recording densities and method of recording and reproducing therefor |
| 01/15/2002 | US6339564 Optical information recording/reproducing apparatus |
| 01/15/2002 | US6339562 Optical pickup device |
| 01/15/2002 | US6338911 Multilayer element for magnetooptical recording |
| 01/10/2002 | WO2001063620A3 Rewritable data storage medium |
| 01/10/2002 | US20020003752 Information write/read head, information writing/reading device, tracking device, and information recording medium |
| 01/09/2002 | EP1170742A2 Magneto-optical recording medium and process for manufacturing a magneto-optical recording medium |
| 01/09/2002 | EP1170739A1 Optical head, light-emitting/receiving device, and apparatus for recording/reproducing optical recording/recorded medium |
| 01/09/2002 | EP1170731A1 Method for optically recording information and device for optically recording information by the same |
| 01/09/2002 | EP1170147A1 Information recording medium and method for manufacturing the same |
| 01/09/2002 | EP1169708A1 The copy protection of digital audio compact discs |
| 01/08/2002 | US6337837 Apparatus for recording and/or reproducing information and/or from optical information record disk |