| 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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| 09/06/2001 | US20010019461 Magnetic millipede for ultra high density magnetic storage |
| 09/05/2001 | EP1130589A1 Method of optimizing reproduction laser power for magneto-optic recording medium and magneto-optic disk unit using the method |
| 09/05/2001 | EP1130440A2 Apparatus and method for position control of optical system and storage and reproduction apparatus |
| 09/04/2001 | US6285643 Disk cartridge, disk driving device using disk cartridge, and storage system comprising disk cartridge and disk driving device |
| 09/04/2001 | US6285634 Bias voltage controlling apparatus, information reproducing apparatus and information recording apparatus |
| 09/04/2001 | CA2067945C Magneto-optical recording medium |
| 08/30/2001 | WO2001063620A2 Rewritable data storage medium |
| 08/30/2001 | US20010018107 Magnetic domain wall displacement type magneto-optical medium and method for manufacturing the same |
| 08/30/2001 | US20010017841 Optical recording medium, and method of manufacturing same |
| 08/30/2001 | US20010017256 Method of manufacturing information recording medium |
| 08/29/2001 | EP1128374A2 Optical recording medium, optical pickup and optical recording and/or reproducing apparatus |
| 08/29/2001 | CN1310443A Magneto-optical recording medium |
| 08/28/2001 | US6282165 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 |
| 08/28/2001 | US6282162 Optical disc and optical disc driving device |
| 08/23/2001 | WO2001061695A1 The copy protection of digital audio compact discs |
| 08/23/2001 | WO2001061692A1 A portable data storage device |
| 08/23/2001 | WO2001061691A1 Optical disk device |
| 08/23/2001 | US20010015950 Optical recording medium and optical pickup device |
| 08/23/2001 | US20010015939 Objective lens for optical pick-up |
| 08/23/2001 | US20010015938 Magnetic head drive circuit and magneto-optical recording device |
| 08/23/2001 | US20010015937 Magneto-optical recording and reproducing apparatus and method |
| 08/23/2001 | US20010015867 Information storage device having transducers operating in a pulse mode in synchronism with a timing clock |
| 08/23/2001 | CA2377406A1 A portable data storage device |
| 08/23/2001 | CA2369575A1 The copy protection of digital audio compact discs |
| 08/22/2001 | EP1126448A2 Optical information storage apparatus and optical device |
| 08/22/2001 | EP1126291A1 Phase shifter and optical head device mounted with the same |
| 08/22/2001 | CN1309388A Optical rotating recording medium, address information recording/recovering method and optical record-playback apparatus |
| 08/21/2001 | US6278682 Optical system for optical disc drive |
| 08/21/2001 | US6278681 Optical head, method of fabricating optical head, and apparatus for fabricating optical head |
| 08/21/2001 | US6278673 Apparatus for recording and/or reproducing information and/or from optical information record disk |
| 08/21/2001 | US6278668 Magneto-optical storage media |
| 08/21/2001 | US6278667 System and method for light power control in a magneto-optical drive |
| 08/21/2001 | US6278666 Magneto-optical disk recording and reproducing device |
| 08/21/2001 | US6278665 Optical disc system including current monitoring circuit assembly having controller with improved optics module and laser driver and method for operating same |
| 08/21/2001 | US6278548 Polarizing diffraction grating and magneto-optical head made by using the same |
| 08/21/2001 | US6277462 Optical recording medium and method for manufacture thereof |
| 08/16/2001 | US20010014075 Suspension design for a head gimbal assembly |
| 08/16/2001 | US20010014065 Information recording and reproduction apparatus carrying out recording and reproduction of information using laser beam |
| 08/16/2001 | US20010014057 Mangetic head and magnetic head assembly using the same |
| 08/16/2001 | US20010013937 Apparatus having guide means for guiding a record carrier to be scanned |
| 08/16/2001 | DE19912589A1 Verfahren und Vorrichtung zur Materialuntersuchung an der Oberfläche optischer Speichermedien Method and apparatus for examining materials on the surface of optical storage media |
| 08/16/2001 | DE10004824A1 Production of substrates coated with a layer consisting of two different heavy elements comprises magnetron sputtering a target made of a compound of the two elements |
| 08/15/2001 | CN1308333A CD recording and/or playback equipment and method |
| 08/15/2001 | CN1308329A Copying equipment and method |
| 08/15/2001 | CN1308328A Duplicator and duplication method |
| 08/15/2001 | CN1308327A Record medium, record device and record method |
| 08/14/2001 | US6275467 Positive pressure optical slider having trailing end side pads |
| 08/14/2001 | US6275462 Optical storage apparatus |
| 08/14/2001 | US6275455 System and method for generating position error signals within a computer memory device |
| 08/14/2001 | US6275454 Microactuator for track positioning a slider-mounted lens of an optical disc drive |
| 08/14/2001 | US6275359 Head arrangement for multitrack recording integrated tape guidance |
| 08/09/2001 | US20010013058 System and method for recording a compressed audio program distributed from an information center |
| 08/09/2001 | US20010012264 High recording density optical disc |
| 08/09/2001 | US20010012263 Magneto-optical recording medium and reproducing method for reproducing magnetic domain in enlarged form on a reproducing layer |
| 08/09/2001 | US20010012258 Information recording disc and information recording/reproducing apparatus |
| 08/09/2001 | US20010012252 Optical disk and optical disk drive device |
| 08/09/2001 | US20010012251 Information recording and reproduction apparatus carrying out recording and reproduction of information using laser beam |
| 08/09/2001 | US20010012245 Magnetic field generator and magneto-optical storage device using the same |
| 08/09/2001 | US20010012244 Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same |
| 08/08/2001 | EP1122727A2 Disk cartridge and disk cartridge loading method |
| 08/08/2001 | EP1122726A2 Magneto-optical recording medium |
| 08/08/2001 | CN2442361Y Optiomagnetic disc |
| 08/08/2001 | CN1069434C Optical recording/replaying apparatus |
| 08/08/2001 | CN1069431C Method and recordeing device for recording signals on record carrier |
| 08/07/2001 | US6272097 Optical head and apparatus for recording and reproducing optical information through the use of the optical head |
| 08/07/2001 | US6272092 Recording and reproducing apparatus with lock and release mechanism |
| 08/07/2001 | US6272086 Low cost tamper-resistant method for write-once read many (WORM) storage |
| 08/07/2001 | US6272083 Method of and apparatus for recording/reproducing information signal, recording/reproducing head device. Memory medium, and head element and manufacture thereof |
| 08/07/2001 | US6272079 Optical head unit for optical disk apparatus having both focus control and track control function |
| 08/07/2001 | US6272077 Magneto-optical recording medium having intermediate layer of in plane magnetization |
| 08/07/2001 | US6270696 Forming solid immersion lense having shaped edge surface and reduced sized mesa portion with electrically energizable magnetic coil adjacent |
| 08/07/2001 | CA2118338C Optical memory medium and write and read apparatus using the same |
| 08/02/2001 | WO2001056023A1 Optical recording medium for preventing illegal duplication, and a method for manufacturing and reproducing the same, and an authentication method using the same |
| 08/02/2001 | WO2001009662A3 Scanning interferometric near-field confocal microscopy |
| 08/02/2001 | US20010010676 Memory medium |
| 08/02/2001 | US20010010668 Nanometer scale data storage device and associated positioning system |
| 08/02/2001 | US20010010666 Optical disc |
| 08/02/2001 | US20010010665 Optical disc |
| 08/02/2001 | US20010010256 Substrate support mechanism and substrate rotation device |
| 08/01/2001 | EP1120784A2 Optical disk apparatus |
| 08/01/2001 | EP1120783A2 Optical disk apparatus |
| 08/01/2001 | EP1120777A2 Optical disk |
| 08/01/2001 | EP1120669A2 Lens and related method of use and formation |
| 08/01/2001 | EP1119854A1 Transmission of a digital information signal having m bit pcm samples |
| 08/01/2001 | CN1306661A Adaptive recording method and appts. for high-density optical recording appts |
| 08/01/2001 | CN1306632A System and method for efficient coupling between optical elements |
| 07/31/2001 | US6269067 Method of and apparatus for recording/reproducing information signal recording/reproducing head device memory and head element and manufacture thereof |
| 07/31/2001 | US6269062 Arrangements for using detected phase differences for setting laser power levels |
| 07/31/2001 | US6269056 Recording method for a magneto-optical recording medium for position adjustment of a magnetic head |
| 07/31/2001 | US6268073 Laminate layer |
| 07/26/2001 | WO2001054122A2 Apparatus having guide means for guiding a record carrier to be scanned |
| 07/26/2001 | WO2001033562B1 Optical head and optical head feeder |
| 07/26/2001 | US20010009709 Optical disk and recording/reproducing device |
| 07/26/2001 | US20010009541 Optical head, magneto-optical head, disk apparatus and manufacturing method of optical head |
| 07/24/2001 | US6266315 Catadioptric optical system, optical pickup and optical disk drive employing the same, and optical disk |
| 07/24/2001 | US6266306 Analog to digital converter and assembly for use in optical drive system to normalize servo error signals and multiplex reference voltage inputs and digital outputs |
| 07/24/2001 | US6266305 Device for reading from and/or writing to optical recording media |
| 07/24/2001 | US6266301 Optical storage device and optical head having TES compensation shift signal compensation |
| 07/24/2001 | US6266299 Magneto-optical disk having write-once identification marks and method for recording thereof |
| 07/24/2001 | US6265062 Magnetic recording medium capable of reproducing information by displacing magnetic wall and recording-reproducing method therefor |