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

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)
12/2004
12/02/2004	US20040244027 Magneto-optical recording medium and signal reproduction method
12/02/2004	US20040244023 Slider for an optical data writing/reading apparatus, and apparatus comprising such a slider
12/02/2004	US20040240347 Optical reproducing method for optical medium with aligned prepit portion
12/02/2004	US20040240334 Optical head and optical disk drive unit therewith
12/02/2004	US20040240326 Storage apparatus
12/01/2004	EP1482504A1 Method for tracking control
12/01/2004	EP1482493A2 Optical head and optical disk drive unit therewith
12/01/2004	EP1482484A2 Magnetic head lifting and lowering device
12/01/2004	CN1552069A Head arrangement with improved field characteristic for domain expansion technology
12/01/2004	CN1551195A Recording apparatus and method, and reproducing apparatus and method
12/01/2004	CN1551170A Record/playback apparatus and record/playback method
12/01/2004	CN1551168A Dubbing apparatus and dubbing method
12/01/2004	CN1551167A Optical recording medium, master for optical recording medium manufacture, recording and reproducing apparatus, and recording and reproducing method
12/01/2004	CN1178217C Optical recording/replaying device, rotar yoptical recording media and design method therefor
12/01/2004	CN1178209C Optical head, optical detector, recording and reproducing device and focus error detecting method
11/2004
11/30/2004	US6826769 Recording and reproducing device having a stabilizing board and vertically-oscillating slider
11/30/2004	US6826140 Multichannel digital recording system with multi-user detection
11/30/2004	US6826131 Magneto-optical recording medium in which magnetic influences from adjacent tracks are suppressed when information is reproduced by utilizing magnetic-domain enlargement
11/30/2004	US6826130 Magneto-optic disk device and method of positioning magnetic head of the device
11/30/2004	US6826129 Method and apparatus for recording magnetized mark utilizing magnetic field generated by adjacent magnetized mark to reduce energy level for generating pulsed magnetic field
11/30/2004	US6824755 Method for producing a catalyst support and compositions thereof
11/25/2004	US20040234720 Artificial finger print liquid, testing method for optical information medium using it and optical information medium
11/25/2004	US20040233796 Optical disk recording/reproducing device
11/25/2004	US20040233582 Magnetic head device
11/25/2004	US20040233534 Diffractive optical element that polarizes light and an optical pickup using the same
11/24/2004	EP1480210A1 Magneto-optical recording medium and recording/reproduction apparatus thereof
11/24/2004	EP1480204A1 Optical disk, method of manufacturing an optical disk and a reproduction apparatus
11/24/2004	EP1479079A1 Disk data storage media with edge track data surface
11/24/2004	EP1479077A2 Method and device for data dependent field switching for domain expansion reading and record carrier for use by the method
11/24/2004	EP1479075A2 Method and apparatus for phase and/or copy window control for use with a domain expansion recording medium and record carrier
11/24/2004	EP1479073A2 Read-out control for use with a domain expansion recording medium
11/24/2004	CN1550012A Two-sided replication of data storage media
11/24/2004	CN1550011A High-density dual-layer optical disc
11/24/2004	CN1549260A Contact probe type storage device including conductive read-out medium
11/24/2004	CN1549250A Recording medium, recording and reproducing method and recording and reproducing apparatus
11/24/2004	CN1177321C Optical information carrier and its manufacture method
11/23/2004	US6822938 Optical disk having lands and grooves with a reduced track pitch
11/23/2004	US6821642 Can perform magnetically induced super-resolution reproduction
11/23/2004	US6821596 Information recording medium, information recording method, and information reproducing method
11/23/2004	US6821460 Two-sided replication of data storage media
11/18/2004	WO2004100144A1 Copy window setpoint control for domain expansion reading
11/18/2004	US20040229085 Method for manufacturing magneto-optical recording medium
11/18/2004	US20040228263 Optical recording medium and disc cartridge
11/18/2004	US20040228257 Optical pickup
11/18/2004	US20040228256 Pickup for magneto-optical recording medium
11/18/2004	US20040228245 Optical information storage medium and method of recording information thereon
11/18/2004	US20040228244 High-density recording medium and method and apparatus for controlling data playback thereof
11/18/2004	US20040228024 Magnetization control method and information recording apparatus
11/18/2004	DE19958615B4 Optische Informationsspeichervorrichtung, die optimale Phasenkompensationen gemäss Aufzeichnungsspuren beim Reproduzieren von Information liefern kann An optical information storage device, the optimum phase compensation can according to deliver recording tracks in reproducing information
11/17/2004	EP1477973A2 Optical recording medium, master for optical recording medium manufacture, recording and reproducing apparatus, and recording and reproducing method
11/17/2004	EP1477527A1 Aromatic polycarbonate resins for optical disk substrates
11/17/2004	EP1476868A1 Disk cartridge
11/17/2004	CN1547744A Magnet-optical disk
11/17/2004	CN1547741A Storage medium for data with improved dimensional stability
11/17/2004	CN1547199A Metal-organic compound layer contained mask for near-field super resolution photomemory
11/17/2004	CN1176466C Optical memory device
11/16/2004	US6820274 Magento-optic disc recording and/or reproducing device
11/16/2004	US6819646 Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus
11/16/2004	US6819637 Magneto-optical apparatus and optical head
11/16/2004	US6819588 Memory element, method for structuring a surface, and storage device
11/16/2004	US6818108 Chamber for the transport of workpieces in a vacuum atmosphere, a chamber combination and a method for transporting a workpiece
11/11/2004	WO2004097823A1 Magnetic field generator, magneto-optical information storage system, and magneto-optical information storage device
11/11/2004	WO2004097822A1 Recording/reproduction head and recording/reproduction device
11/11/2004	WO2004027566A3 Multichannel digital recording system with multi-user detection
11/11/2004	US20040224119 Magneto-optical recording medium
11/11/2004	US20040223685 Optical microdevice with rotatable microactuator
11/11/2004	US20040223445 Optical information recording medium manufacturing method therefor, manufacturing apparatus therefor, and optical information recording and reproducing apparatus
11/10/2004	EP1475796A2 Record/Playback apparatus and record/playback method
11/10/2004	EP1474800A1 Information recording device and method, information reproducing device and method, recording medium, program, and disc recording medium
11/10/2004	CN1545704A Disc-shaped recording medium, manufacturing method thereof, and disc drive device
11/10/2004	CN1175409C Optical information medium and its evaluation method
11/10/2004	CN1175404C Light receiving unit, light pick-up device provided with said light receiving unit
11/09/2004	USRE38648 Magneto-optical recording/reproducing pickup head with a diffraction grating and a wollaston prism
11/09/2004	US6816451 Recovering recorded information from an optical disk
11/09/2004	US6816334 Information recording and reproducing device and tracking servo system therefor
11/09/2004	US6815054 Ultra-thin, corrosion resistant, hydrogenated carbon overcoats by combined sputtering and PECVD
11/04/2004	US20040218508 Data cluster erasure
11/04/2004	US20040218477 Laser assisted track width definition and radial control with magnetic recording
11/04/2004	US20040218476 Optical disk and manufacturing method for the same
11/03/2004	EP1473718A1 Optical recording/reproducing method and optical recording medium
11/03/2004	EP1472687A1 A portable data storage and image recording device capable of direct connection to a computer usb port
11/03/2004	CN1543645A Sagneto-optical recording medium and its production method
11/03/2004	CN1542763A Method of and apparatus for recording data on optical recording medium
11/03/2004	CN1542750A Magnetic recording medium and method of manufacturing magnetic recording medium
11/03/2004	CN1174397C Optical lens system and manufacturing method thereof, optical scanner and optical player
11/03/2004	CN1174391C Optical recording and/or reproducing equipment and aberration regulation method
11/03/2004	CN1174379C Method of recording on disk-like recording medium
11/02/2004	US6812164 Method and apparatus for ionization film formation
11/02/2004	US6811889 Containing rare earth element alloy
10/2004
10/28/2004	WO2003100702A3 Disc-shaped recording medium, disc driving device and disc producing method
10/28/2004	US20040213115 Optical head, disc recording/reproducing apparatus, and objective lens drive method
10/28/2004	US20040213090 Magnetic head device and recording/reproducing apparatus
10/27/2004	EP1471516A2 Data storage devices
10/27/2004	EP1471508A2 Magneto-optical disk and recording and/or reproducing method and recording and/or reproducing apparatus using the magneto-optical disk
10/27/2004	EP1126291B1 Phase shifter and optical head device mounted with the same
10/27/2004	CN2651892Y Optical reading/writing head feeding mechanism
10/27/2004	CN1540650A Magnetic optical disk, recording and/or reproduction method and appts. using same
10/27/2004	CN1173346C Optical information storage device with give phase compensation according reproduced information recording track
10/26/2004	US6810002 Information storing medium with guide tracks and information tracks
10/26/2004	US6809998 Optical disk drive and method for processing data using the same

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