| Patents for G11B 7 - Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power; Record carriers therefor (102,715) |
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| 01/08/2004 | US20040004918 Method for replacing defective block with good block to record data in optical disc apparatus |
| 01/08/2004 | US20040004916 Laser disc signal monitoring and control |
| 01/08/2004 | US20040004915 Optical pickup apparatus, optical disk apparatus, and tracking error signal detection method |
| 01/08/2004 | US20040004914 Method and apparatus for micro optical recording and playback tracking control |
| 01/08/2004 | US20040004913 Optical element, optical head, method for correcting spherical aberration, and optical recording/reproducing apparatus |
| 01/08/2004 | US20040004912 Optical disk apparatus with approximate focus control of laser beam |
| 01/08/2004 | US20040004911 Method and apparatus to control a step motor of an optical disk driving system |
| 01/08/2004 | US20040004774 Objective lens driving device |
| 01/08/2004 | US20040004300 Transparent stamper for molding optical multi-layer recording medium and process for producing optical multi-layer recording medium |
| 01/08/2004 | US20040004227 Unit for driving light-emitting device |
| 01/08/2004 | US20040004129 Identifying card |
| 01/08/2004 | US20040003829 Using ultrasonic vibrations in which a drip-proof plate disposed so as to cover the front surface of the substrate blocks the mist from splashing |
| 01/08/2004 | CA2530777A1 Writing of photo-induced structures |
| 01/08/2004 | CA2491486A1 Protective cover for optically read digital disks |
| 01/08/2004 | CA2489948A1 Optical recording medium, information processing device using the recording medium, and data recording method |
| 01/07/2004 | EP1378931A2 Substrate cleaning apparatus and substrate cleaning method |
| 01/07/2004 | EP1378907A2 Method and apparatus for recording data on optical recording medium |
| 01/07/2004 | EP1378906A1 Magnetic tape recording apparatus |
| 01/07/2004 | EP1378904A1 Optical disk high-speed replaying/recording apparatus |
| 01/07/2004 | EP1378902A2 Method and apparatus for controlling data recording speed in an optical disk device |
| 01/07/2004 | EP1378900A2 Optical information recording medium and method of manufacturing same |
| 01/07/2004 | EP1378899A2 Optical data recording medium and manufacturing method for the same |
| 01/07/2004 | EP1378898A1 Transparent stamper for molding optical multi-layer recording medium and process for producing optical multi-layer recording medium |
| 01/07/2004 | EP1378897A1 Method of laminating optical disks |
| 01/07/2004 | EP1378896A2 Optical recording medium and method for recording and reproducing data |
| 01/07/2004 | EP1378895A2 Optical recording medium |
| 01/07/2004 | EP1378894A2 Optical recording medium and method for recording data in the same |
| 01/07/2004 | EP1377979A2 Antiferromagnetic layer system and methods for magnetically storing data in antiferromagnetic layer systems of the like |
| 01/07/2004 | EP1377978A2 Optical data carrier whose information layer contains a light-absorbing compound having a number of chromophoric centers |
| 01/07/2004 | EP1377977A1 Optical recording medium |
| 01/07/2004 | EP1377976A2 Optical data carrier that contains a merocyanine dye as the light-absorbing compound in the information layer |
| 01/07/2004 | EP1377975A2 Optical data medium containing, in the information layer, a dye as a lightabsorbing compound and having a protective covering layer of predetermined thickness |
| 01/07/2004 | EP1377974A1 Optical data carrier containing a xanthene dye in the information layer thereof as a light-absorbing compound |
| 01/07/2004 | EP1377973A1 Optical data memories containing an axially substituted co-phthalocyanine in the information layer that can be written with light |
| 01/07/2004 | EP1377972A2 Optical disc and method of protecting same |
| 01/07/2004 | EP1377971A1 Optical data carrier that contains a cationic aminoheterocyclic dye as the light-absorbing compound in the information layer |
| 01/07/2004 | EP1377970A1 Optical data carrier containing a cyclizable compound in the information layer |
| 01/07/2004 | EP1377969A1 Improved figure of merit in optical recording structures |
| 01/07/2004 | EP1377968A2 Optical data carrier that contains a heterocyclic azo dye as the light-absorbing compound in the information layer |
| 01/07/2004 | EP1377882A1 Environmentally protected holographic device construction |
| 01/07/2004 | EP1295287B1 A method for manufacturing a substrate for use in a stamper manufacturing process, as well as a substrate obtained by using such a method |
| 01/07/2004 | EP1259959B1 Copy-protected optical disc and method for protecting same |
| 01/07/2004 | CN2598090Y Wear-proof CD |
| 01/07/2004 | CN2598089Y CD capable of preventing wear and scratching |
| 01/07/2004 | CN1466756A Method and apparatus for determining equalized signal-to noise ratio in a storage device |
| 01/07/2004 | CN1466755A Copy protection for optical discs |
| 01/07/2004 | CN1466754A 光盘装置 CD-ROM device |
| 01/07/2004 | CN1466753A Optical disk |
| 01/07/2004 | CN1466752A 信息记录介质和信息记录/再现装置 The information recording medium and information recording / reproducing apparatus |
| 01/07/2004 | CN1466751A Method for tracking in a optical recording/reading apparatus and corresponding apparatus |
| 01/07/2004 | CN1466750A Optical disc and a reproduction mothod reproduction apparatus and recording apparatus for the same |
| 01/07/2004 | CN1466749A Optical information recording medium and reproducing and reproduction method of the same |
| 01/07/2004 | CN1466514A rotatingly feeding device of blow molding machine |
| 01/07/2004 | CN1466144A Device and method for controlling step motor of optical disc driving system |
| 01/07/2004 | CN1466141A Disc holder for optical disc driver |
| 01/07/2004 | CN1466139A Method for making disc |
| 01/07/2004 | CN1466138A Method for making scrapping-resistant read/write surface for read/write type disc |
| 01/07/2004 | CN1466137A Optical storage medium with graded optical refractive index |
| 01/07/2004 | CN1466136A Method for improving track-seeking signal of optical disk and dye thereof |
| 01/07/2004 | CN1466135A High density information storage medium |
| 01/07/2004 | CN1466134A Optical recording medium capable of scrappinmaterial and being used on printed surface |
| 01/07/2004 | CN1466133A Optical read/write device |
| 01/07/2004 | CN1466132A Disc driver with dynamic adjusting mechanism |
| 01/07/2004 | CN1466131A Method for adjusting error of disc accessing mechanism |
| 01/07/2004 | CN1466130A Regulator for offset of pick up head of disc driver |
| 01/07/2004 | CN1466129A Device for reproducing recorded data in disc |
| 01/07/2004 | CN1466128A Method for detrmining recording-power of radiation beam used recording information on recording medium |
| 01/07/2004 | CN1466127A Method for completing batch recorded data operation in optical disc recording device |
| 01/07/2004 | CN1466126A Optimun method for determining optical disc recording power |
| 01/07/2004 | CN1134009C Head floating block support device, disc device and cantilever |
| 01/07/2004 | CN1134006C Tracing control method |
| 01/07/2004 | CN1134003C Copy preventing apparatus |
| 01/07/2004 | CN1133997C Optical disc with super-resolution photochromic shielding film layer |
| 01/07/2004 | CN1133996C Catadioptric optical system, optical pickup device employing the same, and optical disk drive |
| 01/07/2004 | CN1133995C Optical readout device and optical recording medium drive using the same |
| 01/07/2004 | CN1133994C Luminous module and compatible optical reading device using the luminous module |
| 01/07/2004 | CN1133993C Acoustooptical Bragg diffraction type multi-beam optical R/W head |
| 01/07/2004 | CN1133992C Multi-layer recording medium reproducing device |
| 01/07/2004 | CN1133991C Tracking error detection device |
| 01/07/2004 | CN1133990C Optical head track seeking method for CD drive |
| 01/07/2004 | CN1133989C Optical data media |
| 01/07/2004 | CN1133988C Data duplicating unit for optical disk system |
| 01/07/2004 | CN1133987C Optical disc apparatus capable of recording reproducing various kinds of recording media |
| 01/07/2004 | CN1133984C Information recording medium, enclosing casing of information recording medium, and information recording apparatus using the same |
| 01/07/2004 | CN1133983C Method of and apparatus for initializing optical recording medium |
| 01/07/2004 | CN1133982C Method for producing optic record medium and device for exaplosing on it |
| 01/07/2004 | CN1133981C Information recording equipment information recording method, information replication device and information replication method |
| 01/07/2004 | CN1133980C Method and device for detecting tracking error of near-field optical R/W system |
| 01/06/2004 | US6674710 Liquid-crystal panel, optical pickup, and information reproducing system |
| 01/06/2004 | US6674709 Optical head apparatus |
| 01/06/2004 | US6674708 Information recording medium where address mark comprising pattern suitable for prevention of detection error is recorded, and cutting apparatus for reproducing the information recording medium |
| 01/06/2004 | US6674707 Digital recorded data reproducing device |
| 01/06/2004 | US6674706 Information reproducing apparatus and information recording medium |
| 01/06/2004 | US6674705 Low cost detection of wobble inversions using a bandpass tuned circuit |
| 01/06/2004 | US6674704 Method of manufacturing disc drive, apparatus for manufacturing disc drive, and disc drive |
| 01/06/2004 | US6674703 Medium, apparatus, and method related to encryption resultant information |
| 01/06/2004 | US6674702 Laser drive integrated circuit and optical disk apparatus using the same |
| 01/06/2004 | US6674701 Apparatus for readout of optical recording medium |
| 01/06/2004 | US6674700 Optical disk having sub-blocks and sub-block indentification marks |
| 01/06/2004 | US6674696 Focus controlling apparatus and method, and optical disc drive |