| 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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| 09/01/1999 | CN1227381A 光盘 CD |
| 09/01/1999 | CN1227370A Image processing apparatus and method |
| 08/31/1999 | US5946447 Apparatus and method for recording/retrieving data on/from a disk having data stored thereon in a logical hierarchy |
| 08/31/1999 | US5946291 Shutter and bi-stable actuating member protection device for head of playback/recording unit |
| 08/31/1999 | US5946288 Optical recording medium having recording pits of different shapes |
| 08/31/1999 | US5946287 Optical disk having pits with push-pull signal of opposite polarity to that of guide grooves |
| 08/31/1999 | US5946286 Customized graphics for dual layer optical discs |
| 08/31/1999 | US5946285 Optical disk having a continuous information track formed of alternating land and groove track revolutions and a method of tracking the optical disk |
| 08/31/1999 | US5946284 Disk apparatus using ferroelectric thin film |
| 08/31/1999 | US5946283 Optical information recording medium and optical information reproducing device |
| 08/31/1999 | US5946282 Optical recording/reproducing apparatus |
| 08/31/1999 | US5946281 Laminated proximity field optical head and optical information recording and reproducing device |
| 08/31/1999 | US5946280 Method for verifying accuracy of data written on a phase transition optical disk during the writing operation |
| 08/31/1999 | US5946216 Vertical transport device for recording and verifying plastic disks |
| 08/31/1999 | US5946146 Optical pickup and supporting method thereof |
| 08/31/1999 | US5946137 Optical information processing unit |
| 08/31/1999 | US5946115 Hologram memory device |
| 08/31/1999 | US5945849 Phase error signal generator |
| 08/31/1999 | US5945737 Thin film or solder ball including a metal and an oxide, nitride, or carbide precipitate of an expandable or contractible element |
| 08/31/1999 | US5945252 Photochemical generation of stable fluorescent amines from peri-phenoxiderivatives of polycyclic P-quinones |
| 08/31/1999 | US5944356 Identity card with a humanly visible authenticity feature |
| 08/26/1999 | WO1999042995A1 Information recording medium |
| 08/26/1999 | WO1999042994A1 Optical pickup device using hologram pattern and hologram pattern generating method |
| 08/26/1999 | WO1999042993A1 Method and apparatus for reading multiple tracks and writing at least one track of an optical disk |
| 08/26/1999 | WO1999030316A3 Method and device for writing optical record carriers |
| 08/26/1999 | CA2321201A1 Method and apparatus for reading multiple tracks and writing at least one track of an optical disk |
| 08/26/1999 | CA2261981A1 A gain control arrangement and method |
| 08/25/1999 | EP0938092A2 Information recording apparatus and method |
| 08/25/1999 | EP0938085A1 Optical recording elements containing mixture of metallized azo ether and cyanine dyes |
| 08/25/1999 | EP0938084A2 Reproduction apparatus and reproduction method |
| 08/25/1999 | EP0938083A2 Optical storage device |
| 08/25/1999 | EP0938082A2 Optical disc |
| 08/25/1999 | EP0937751A1 Metallized azo ether dyes and optical recording elements comprising the same |
| 08/25/1999 | EP0937297A2 Optical record carrier and apparatus for scanning such a record carrier |
| 08/25/1999 | EP0818041B1 Spare and calibration sector management for optical worm media |
| 08/25/1999 | EP0715304B1 Method for recording sector control information on magneto-optical disk |
| 08/25/1999 | CN1226989A Method and apparatus for manufacturing optical disk |
| 08/25/1999 | CN1226730A Information recording and reproducing apparatus |
| 08/25/1999 | CN1226728A Multi-position testing apparatus for CD players |
| 08/25/1999 | CN1226727A Optical disk drive pickup protecting apparatus for computer |
| 08/25/1999 | CN1226726A Optical pickup compatible with optical recording media |
| 08/25/1999 | CN1226725A Optical recording/reproducing head |
| 08/25/1999 | CN1226724A Method and apparatus for moving carriage assembly from initial position to target position |
| 08/25/1999 | CN1226581A Static resistant polycarbonate compositions |
| 08/25/1999 | CN1044837C Optical device and apparatus for scanning information plane, comprising such an optical device |
| 08/24/1999 | US5943517 Electro-developing type still video camera using electro-developing recording medium and having memory-medium for storing image data read therefrom |
| 08/24/1999 | US5943313 Information storage medium and information reproducing apparatus having a wobbling pre-groove |
| 08/24/1999 | US5943311 Apparatus for recording and reproducing information |
| 08/24/1999 | US5943307 Vibration-resistant playback device having reduced power consumption |
| 08/24/1999 | US5943194 Linear actuator |
| 08/24/1999 | US5942744 Card drive apparatus and card |
| 08/24/1999 | US5942612 Metal bonded to the nitrogen atoms at positions 20 and 31 or optionally two hydrogens; phthalocyanine ring substituted with phenyl groups having at least one ether, hydroxy or oxygen anion; electrooptical devices, optical recording media |
| 08/24/1999 | US5942302 Polymer layer for optical media |
| 08/24/1999 | US5942165 Method for making irregular shaped CD's and other playing discs |
| 08/24/1999 | US5942001 Information processing apparatus |
| 08/24/1999 | CA2177546C Tracking method and device for use with an optical recording medium |
| 08/19/1999 | WO1999041749A1 Information storage medium having multilayer information layer and multi-purpose information processor |
| 08/19/1999 | WO1999041742A1 Optical recording medium based on thin recording layers |
| 08/19/1999 | WO1999041741A1 Information recording apparatus |
| 08/19/1999 | WO1999041738A1 Limited use optical playback device |
| 08/19/1999 | WO1999041566A1 Method and apparatus to determine fly height of a recording head |
| 08/19/1999 | DE19810967A1 Self adhesive transparent polyester sheet protecting printed label of compact disc |
| 08/18/1999 | EP0936612A2 Optical disc recording/reproducing method, optical disc and optical disc device |
| 08/18/1999 | EP0936610A2 Recording apparatus recording medium, playback apparatus, recording method and playback method |
| 08/18/1999 | EP0936607A2 Etched mold surface for use in making light-readable discs |
| 08/18/1999 | EP0936606A2 A laser-writable information recording blank |
| 08/18/1999 | EP0936605A1 Optical recording medium and manufacturing method thereof |
| 08/18/1999 | EP0936604A1 Optical pickup device |
| 08/18/1999 | EP0936603A2 Optical head |
| 08/18/1999 | EP0936602A2 Optical disk recording technique capable of forming pits accurately centered on track and servo-balance adjusting technique for optical disk recording |
| 08/18/1999 | EP0936601A1 Optical disc |
| 08/18/1999 | EP0936597A1 Storage medium having electronic circuits, and voice synthesizer having the storage medium |
| 08/18/1999 | EP0936227A1 Lowly birefringent polymer, process for the production thereof, and optical pickup lens |
| 08/18/1999 | EP0746955A4 Cellular radiotelephone system with remotely programmed mobile stations |
| 08/18/1999 | CN1226258A Quick photo-addressable substrates and photo-addressable side-group polymers having highly inducible double refraction |
| 08/18/1999 | CN1226059A Method and apparatus for recording information onto optical disk |
| 08/18/1999 | CN1226058A 光记录介质及其制造方法 Optical recording medium and manufacturing method thereof |
| 08/18/1999 | CN1226057A Lase-writable recording blank |
| 08/18/1999 | CN1226056A Apparatus for two-sided writing |
| 08/18/1999 | CN1226055A Apparatus for performing both read and write operations |
| 08/18/1999 | CN1226053A Information storage apparatus |
| 08/18/1999 | CN1226007A Polarization separating element, manufacturing method and optical pick-up apparatus |
| 08/18/1999 | CA2262191A1 Recording medium, recording/reproducing method and recording/reproducing apparatus |
| 08/17/1999 | US5940854 Unique identifier for optical media |
| 08/17/1999 | US5940549 Optical system and method using optical fibers for storage and retrieval of information |
| 08/17/1999 | US5940364 Optical disk including wobbled guiding groove composed of pits, optical disk manufacturing apparatus, and optical disk recording/reproducing apparatus |
| 08/17/1999 | US5940363 Optical disk with a memory chip mounted thereon |
| 08/17/1999 | US5940362 Disc device having a magnetic layer overweighing the information signal pattern for electronic article surveillance |
| 08/17/1999 | US5940360 Optical pickup device for reproducing discs of two types with different densities by double beam focuses of different sizes |
| 08/17/1999 | US5940359 Optical disk apparatus with means to selectably insert additional optical elements in an optical beams path |
| 08/17/1999 | US5940358 CD-R recording circuit with formatter to increase rate of generating control signals |
| 08/17/1999 | US5940357 Apparatus for recording and/or reproducing information and/or from optical information record disk |
| 08/17/1999 | US5940227 Optical pickup and supporting method therefor having an elastic bowed member |
| 08/17/1999 | US5940174 Optical disc inspection equalization system and method |
| 08/17/1999 | US5939985 Electronic article surveillance markers for direct application to optically recorded media |
| 08/17/1999 | US5939714 Tracking error detector employing phase difference detection method |
| 08/17/1999 | US5939710 Optical pickup system incorporating therein a beam splitter having a phase layer |
| 08/17/1999 | US5939163 Optical information recording medium |
| 08/17/1999 | US5938891 Disk bonding system |
| 08/17/1999 | CA2191536C A method and a system of optical disk auto-discrimination |