| 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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| 05/17/2000 | CN1253653A Copy protectable optical media device and method therefor |
| 05/17/2000 | CN1253528A Optical recording media |
| 05/17/2000 | CN1253435A Missed pulse detector using synchronous detection |
| 05/17/2000 | CN1253358A Compact disc driving device and its method |
| 05/17/2000 | CN1253356A Balanced CD |
| 05/17/2000 | CN1253355A CD equipment |
| 05/17/2000 | CN1253314A Photo record medium and counterfeit detection equipment |
| 05/17/2000 | CN1253068A Method and equipment for forming plastic sheet |
| 05/17/2000 | CN1052552C Data destruction preventing method, recording apparatus provided with data destruction preventing capability, and disc recorded with guard band |
| 05/17/2000 | CN1052551C 光学拾波装置 The optical pickup apparatus |
| 05/16/2000 | US6064785 Optical wave guide path recording medium and optical reproducing apparatus |
| 05/16/2000 | US6064644 Optical recording medium having particular arrangement of prepits and manufacturing method thereof |
| 05/16/2000 | US6064643 Optical recording disk having land and groove continuously alternated in spiral tracks |
| 05/16/2000 | US6064642 Phase-change type optical disk |
| 05/16/2000 | US6064641 Focusing more than 30 depths from an aplanatic point of a plano-convex lens |
| 05/16/2000 | US6064639 High speed data recording and/or reproducing method and apparatus with increased data sector access speed |
| 05/16/2000 | US6064638 Track count estimator for optical storage drives |
| 05/16/2000 | US6064637 Focusing and tracking method and system for the read/write head of an optical drive |
| 05/16/2000 | US6064615 Optical memory element |
| 05/16/2000 | US6064586 Method for holographic data storage and retrieval |
| 05/16/2000 | US6064529 Spherical aberration correction using flying lens and method |
| 05/16/2000 | US6064140 Ceramic motor |
| 05/16/2000 | US6063470 Substrate for information recording media and magnetic disc |
| 05/16/2000 | US6063468 Having surface of light transmissive layer containing hydrocarbon, silicon nitride, magnesium fluoride, alumina or silica |
| 05/16/2000 | US6063467 Substrate which transmits light, recording layer containing cyanine dye and metal reflector |
| 05/16/2000 | US6062808 Clean transfer method and apparatus therefor |
| 05/16/2000 | CA2200286C Tracking control apparatus and method |
| 05/11/2000 | WO2000026912A1 Optical disk, method of reproducing and copying optical disk, and method of preventing illegal use of optical disk |
| 05/11/2000 | WO2000026723A1 Master negative film making apparatus, master negative film making method, and master negative film |
| 05/11/2000 | WO2000026029A1 A spiral-shaped lamp for uv curing of coatings and bonding for a digital versatile disk (dvd) or compact disk (cd) |
| 05/11/2000 | DE19925876A1 Controlling position of optical acquisition head, e.g. for CD drive, involves detecting whether head has reached boundary position by detecting contact with boundary setting switch |
| 05/11/2000 | DE19850832A1 Verfahren zum definierten Beschichten eines Substrats A method of coating a substrate defined |
| 05/10/2000 | EP0999552A2 Information recording medium and reproducing apparatus |
| 05/10/2000 | EP0999544A2 Optical disk, optical recording/reproducing apparatus and optical recording/reproducing method |
| 05/10/2000 | EP0999439A2 Method for indicating the multiplicity of errors and error frequency by a stroke working error inspection system |
| 05/10/2000 | EP0999249A2 Process for avoiding the inclusion of bubbles during the joining by adhesives of optical data carrier substrates |
| 05/10/2000 | EP0999033A2 Process and apparatus for forming plastic sheet |
| 05/10/2000 | EP0998743A1 Apparatus for protecting and/or repairing an optical surface |
| 05/10/2000 | EP0740831B1 Disc-like record carrier, recording and/or reading apparatus for recording/reading information in the record carrier |
| 05/10/2000 | EP0676079B1 Waveform shaping method and apparatus for optical recording |
| 05/10/2000 | CN2377653Y High compactness optic disc |
| 05/10/2000 | CN1252892A Device for conveying substrates through a substrate processing plant |
| 05/10/2000 | CN1252885A Process for producing optical information recording medium and optical information recording medium produced by the process |
| 05/10/2000 | CN1252884A Recording medium and optical pickup device |
| 05/10/2000 | CN1252883A Hubles optical disc having low radial runout and method of manufacture |
| 05/10/2000 | CN1252882A Optical pickup device holding container |
| 05/10/2000 | CN1252881A Optical record carrier and scanning device |
| 05/10/2000 | CN1252880A Optical disk apparatus and optical disk |
| 05/10/2000 | CN1252802A Writable and eresable high-density optical storage media |
| 05/10/2000 | CN1252600A Time signal recovery device |
| 05/10/2000 | CN1252599A Amplitude regulation of clock reference during writing pulse |
| 05/10/2000 | CN1252595A Record regeneration medium and record regenerator using record regeneration medium |
| 05/10/2000 | CN1252594A Actuator for pickup device |
| 05/10/2000 | CN1252593A Optic information recording and reproducing device |
| 05/10/2000 | CN1052325C 光学记录介质和光学数据存储系统 Optical recording medium and an optical data storage system |
| 05/10/2000 | CN1052324C Track seek method and device for use with optical information recording and reproducing apparatus |
| 05/09/2000 | US6061496 System for recording and reproducing karaoke data |
| 05/09/2000 | US6061324 Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens |
| 05/09/2000 | US6061323 Data storage system having an improved surface micro-machined mirror |
| 05/09/2000 | US6061322 Optical storage system having optical head with a solid immersion lens and operating on media with at least two recording layers |
| 05/09/2000 | US6061319 Optical disk reproducing apparatus and optical disk reproducing method |
| 05/09/2000 | US6061318 Method for discriminating a type of a disc and a digital versatile disc system adopting the same |
| 05/09/2000 | US6061317 Optical pickup having a light-reception photodiode and a monitoring photodiode |
| 05/09/2000 | US6061316 Multi-track recording/reproducing apparatus, recording/reproducing method, and information recording medium |
| 05/09/2000 | US6061315 Disc data reproducing apparatus and signal processing circuit |
| 05/09/2000 | US6061313 Optical disk drive having a time code detection device for reliably detecting a time code of a recordable optical disk |
| 05/09/2000 | US6061312 Disk reproducing apparatus controlling read signal from a disk by using demodulated identifying signal and stored identifying signal in a memory |
| 05/09/2000 | US6061310 Disk drive and method of controlling the focus |
| 05/09/2000 | US6061308 Optical disk reproducing apparatus and optical disk reproducing method capable of reproducing information recorded on head portion of each track |
| 05/09/2000 | US6061169 Integrated micro-optical systems |
| 05/09/2000 | US6061164 Optical element supporting apparatus |
| 05/09/2000 | US6061154 System and method for steering focal plane data to access data locations in a holographic memory |
| 05/09/2000 | US6060606 Optical recording medium having at least a recording layer and a reflective layer on a substrates; high density, compact disks |
| 05/09/2000 | US6060577 Polycarbonates derived from alicyclic bisphenols |
| 05/09/2000 | US6060221 Method and apparatus for initializing optical recording medium |
| 05/09/2000 | US6060220 Method for producing an optical information carrier having a variable relief structure |
| 05/09/2000 | CA2288596A1 Disc recording medium, recording apparatus and playback apparatus |
| 05/09/2000 | CA2208354C Method and apparatus for manufacturing compact discs having a non-round outer profile |
| 05/04/2000 | WO2000025310A1 Optical pickup and optical reproduction device |
| 05/04/2000 | WO2000025309A1 Method and apparatus for focus control |
| 05/04/2000 | WO2000025308A1 Multivalue recording / reproducing method and phase-change multivalue recording medium |
| 05/04/2000 | WO2000024805A1 Processable polycarbonates containing alkyl carbonate end groups |
| 05/04/2000 | WO1999062058A3 System and method of forming nickel stampers utilized in optical disc production |
| 05/04/2000 | DE19855257C1 Pressure injection molding of e.g. CD visiting card, employs sealing lips on mold plate defining novel card edge shape and containing data area on master plate, using otherwise standard CD injection molding machine |
| 05/04/2000 | DE19850302A1 Ausgewuchtete Optische Disk Balanced Optical Disk |
| 05/04/2000 | DE19848146A1 Schmelzklebstoff zur Verklebung von DVDs Hot melt adhesive for bonding DVDs |
| 05/04/2000 | DE19847393C1 Plattenförmiger Aufzeichnungsträger A disc-shaped recording medium |
| 05/03/2000 | EP0997905A2 Recording medium having spare area for defect management and method of allocating spare area |
| 05/03/2000 | EP0997904A1 Information recording medium, and method and apparatus for managing defect thereof |
| 05/03/2000 | EP0997903A2 Information recording method and reproducing method |
| 05/03/2000 | EP0997899A2 Optical disk, method for recording and reproducing additional information to and from optical disk, reproducing apparatus for optical disk, and recording and reproducing apparatus for optical disk |
| 05/03/2000 | EP0997893A1 Information recording/reproducing apparatus |
| 05/03/2000 | EP0997892A1 Recording disc |
| 05/03/2000 | EP0997891A1 Balanced optical disc |
| 05/03/2000 | EP0997890A2 Disc reproducing apparatus |
| 05/03/2000 | EP0997889A1 Pickup actuator |
| 05/03/2000 | EP0997888A2 Apparatus for writing and reading optical recording medium |
| 05/03/2000 | EP0997887A2 Apparatus for writing and reading optical recording medium |
| 05/03/2000 | EP0997886A2 Apparatus for writing and reading optical recording medium |
| 05/03/2000 | EP0997885A2 Apparatus for writing and reading optical recording medium |