| 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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| 01/13/1999 | CN1204837A Information data recording method |
| 01/13/1999 | CN1204836A Optical disk device |
| 01/12/1999 | US5860132 Storage dispersal system based on related, shared data storage space reservation |
| 01/12/1999 | US5860068 Method and system for custom manufacture and delivery of a data product |
| 01/12/1999 | US5859862 Optical recording/reproducing apparatus having laser diode driver capable of a linear operation responsive to an input signal representative of a laser beam power varying depending on a magneto-optical disk-laser beam spot relative speed |
| 01/12/1999 | US5859834 Optical disc with magnetic member in a recessed portion thereof and method for producing said optical disc |
| 01/12/1999 | US5859833 Optical disk grade copolyestercarbonates derived from hydroxyphenylindanols |
| 01/12/1999 | US5859830 Dynamic tracking control in an optical recording system by diffraction-based mark formation detection |
| 01/12/1999 | US5859825 Optical data storage and retrieval system and method |
| 01/12/1999 | US5859824 Digital disk player |
| 01/12/1999 | US5859823 Optical disk device method for detecting and replacing a defective sector within a block containing recording data and error correction data on an optical disk |
| 01/12/1999 | US5859822 Optical disc player capable of reproducing a plurality of different types of optical discs |
| 01/12/1999 | US5859821 Record medium with managed digest portions of programs, reproducing apparatus thereof, and reproducing method thereof |
| 01/12/1999 | US5859820 Optical disk drive and optical disk having a continuous information track formed of alternating land and groove revolutions |
| 01/12/1999 | US5859819 Tracking and focus control system for optical disk apparatus |
| 01/12/1999 | US5859818 Tilt servo apparatus for use in optical disc reproducing apparatus |
| 01/12/1999 | US5859817 Optical disk apparatus and track access control method for optical disk apparatus for reducing the relative position shift between two beam spots which are emitted through two objective lenses |
| 01/12/1999 | US5859816 Tracking error signal generating circuit |
| 01/12/1999 | US5859814 Magneto-optic recording system and method |
| 01/12/1999 | US5859813 Magneto-optical recording method and apparatus to be used in the method |
| 01/12/1999 | US5859808 System and method for steering fresnel region data to access data locations in a holographic memory |
| 01/12/1999 | US5859730 Optical apparatus having a luminous flux shaping filter |
| 01/12/1999 | US5859485 Bearing structure for stepping motor |
| 01/12/1999 | US5858613 Comprising recording layer containing azo metal complex dye; light resistance, sensitivity |
| 01/12/1999 | US5858586 Digital information recording media and method of using same |
| 01/12/1999 | US5858585 Light-induced modification in a side-chain polymer containing at least one side group whose configuration can be modified by light and at least one permanently shape-anisotropic side group can be amplified by warming |
| 01/12/1999 | US5858499 Polycarbonate copolymer containing oxaspiroundecane group and production process therefor |
| 01/12/1999 | US5858498 Optical disk containing multilayred substrate |
| 01/12/1999 | CA2110233C Optical information recording medium and composition for optical information recording film |
| 01/12/1999 | CA2080252C Information processing apparatus |
| 01/07/1999 | WO1999000794A1 Optical recording medium and optical disk device |
| 01/07/1999 | WO1999000793A1 Off-axis optical pickup mechanism for optical storage drives |
| 01/07/1999 | WO1999000792A1 Slider for disc storage system |
| 01/07/1999 | WO1999000765A1 Visiting card with cd rom |
| 01/07/1999 | WO1999000246A1 Optical devices and their method of assembly |
| 01/07/1999 | EP0889475A1 Optical disk |
| 01/07/1999 | EP0889472A1 Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device |
| 01/07/1999 | EP0889468A2 Recording condition control method, recording condition control device, and optical recording medium for optical recording apparatus |
| 01/07/1999 | EP0889467A2 Method and apparatus for decorating flat self-supporting objects |
| 01/07/1999 | EP0889466A1 Optical recording medium with two superimposed layers, and corresponding recording device and method of reproduction |
| 01/07/1999 | EP0889465A2 A photo-curing resin composition for DVD |
| 01/07/1999 | EP0889097A1 Phthalocyanine compounds, process for preparing the same, and optical recording medium made using the same |
| 01/07/1999 | EP0888616A1 Optical recording medium with phase-change recording layer |
| 01/07/1999 | EP0888615A1 Optical data storage disc |
| 01/07/1999 | EP0888614A1 Optical recording medium |
| 01/07/1999 | EP0888613A1 Read/write arrangement for optical media |
| 01/07/1999 | EP0888612A1 Apparatus and methods for forming and use with variable pit depth optical recording media |
| 01/07/1999 | EP0888611A1 Method for writing of data in an optical memory and apparatus for performing the method |
| 01/07/1999 | DE19753011A1 optical disc recording system with test procedure |
| 01/07/1999 | DE19727737A1 Optical data carrier especially music or video disk |
| 01/07/1999 | DE19727736A1 Optical data carrier especially music or video disk |
| 01/07/1999 | DE19727735A1 Optical data carrier especially music or video disk |
| 01/07/1999 | DE19727734A1 Play-only recorder for optical data carrier |
| 01/06/1999 | CN1204414A Optical head |
| 01/06/1999 | CN1204174A Semiconductor laser and optical pickup with the same |
| 01/06/1999 | CN1204171A Laser device for semiconductor |
| 01/06/1999 | CN1204116A Optical disc and optical disc device |
| 01/06/1999 | CN1204115A Tracking controller |
| 01/06/1999 | CN1204114A High-capacity electroplax memory using polar coordinate scanner |
| 01/06/1999 | CN1204113A Optical disk apparatus |
| 01/06/1999 | CN1204112A Digital versatile disc and reproduction apparatus using the same |
| 01/05/1999 | US5856969 Optical disk which reduces cross erasure of data recorded on lands and grooves |
| 01/05/1999 | US5856965 Optical disc readout apparatus for different types of optical discs |
| 01/05/1999 | US5856964 Multihead optical disc drives with direct reading after writing operation |
| 01/05/1999 | US5856963 Disc data reproducing apparatus and signal processing circuit |
| 01/05/1999 | US5856962 Disc data reproducing apparatus and signal processing circuit |
| 01/05/1999 | US5856961 Laser detector grating unit (LDGU) for producing focus error, a push-pull tracking error, and differential phase tracking error signals |
| 01/05/1999 | US5856960 Servo controlling apparatus of optical disk drive and control method thereof |
| 01/05/1999 | US5856959 Method for generating a focus error signal due to astigmatism and optical pickup device using the same |
| 01/05/1999 | US5856958 Recording medium, recording apparatus, reproducing method, and reproducing apparatus |
| 01/05/1999 | US5856930 Disc-shaped recording medium, disc recording apparatus and disc reproducing apparatus |
| 01/05/1999 | US5856735 Recording and reproduction apparatus |
| 01/05/1999 | US5855979 Optical recording medium |
| 01/05/1999 | US5855928 Injection mold for optical discs |
| 01/03/1999 | CA2242047A1 A photo-curing resin composition for dvd |
| 12/30/1998 | WO1998059340A1 Slider for optical disc data storage system |
| 12/30/1998 | WO1998059338A1 Plastic disk with hub and disk drive for using same |
| 12/30/1998 | WO1998059337A1 Disc-shaped information carrier provided with two portions having different read-out speeds |
| 12/30/1998 | EP0887898A1 Semiconductor laser and optical pickup with the same |
| 12/30/1998 | EP0887793A1 Optical recording elements containing metallized carbamoylazo dyes |
| 12/30/1998 | EP0887792A1 Optical recording element containing mixtures of metallized carbamoylazo and cyanine dyes |
| 12/30/1998 | EP0887791A1 Method of designing a phase-change optical recording medium, and a phase-change optical recording medium |
| 12/30/1998 | EP0887790A2 Optical reproducing device and optical memory medium |
| 12/30/1998 | EP0887385A1 Novel metallized carbamoylazo dyes |
| 12/30/1998 | EP0887202A1 Optical recording medium |
| 12/30/1998 | EP0886858A1 Polymer layer for optical media |
| 12/30/1998 | EP0886857A1 Multiple data layer optical disk drive system with fixed aberration correction and optimum interlayer spacing |
| 12/30/1998 | EP0886856A1 Method for optical data storage and optical data storage media |
| 12/30/1998 | EP0676299B1 Optical information recording medium and near-infrared absorbing material used therein |
| 12/30/1998 | CN2302580Y VCD light disk |
| 12/30/1998 | CN1203686A Device for writing and/or reading of optical recording media of various structures |
| 12/30/1998 | CN1203421A Optical disk having high recording density |
| 12/30/1998 | CN1203415A Optical disc and optical disc drive |
| 12/30/1998 | CN1203414A Optical pickup and optical pickup objective lense assembling method |
| 12/30/1998 | CN1203380A Reproduction apparatus and method |
| 12/29/1998 | US5854873 Method and an apparatus for encoding a bitstream with plural possible searching reproduction paths information |
| 12/29/1998 | US5854870 Short-wavelength laser light source |
| 12/29/1998 | US5854781 Track detection circuit for optical disc playback apparatus |
| 12/29/1998 | US5854780 Optical scanning device using a plurality of scanning spots |
| 12/29/1998 | US5854779 Optical disc reader for reading multiple levels of pits on an optical disc |