| 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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| 07/24/1997 | WO1997026651A1 Optical disk apparatus |
| 07/24/1997 | WO1997026564A1 Electronic article surveillance markers for direct application to optically recorded media |
| 07/24/1997 | DE19700673A1 Optische Aufnehmervorrichtung The optical pickup |
| 07/24/1997 | DE19631400A1 Optical hologram system for head of optical disc systems |
| 07/24/1997 | DE19607565A1 Compact disc with facility to change shape |
| 07/23/1997 | EP0785548A2 A baseline correction circuit for PWM data readback systems |
| 07/23/1997 | EP0785547A2 Unique identifier for optical media |
| 07/23/1997 | EP0785544A1 Worm type optical recording medium and optical recording method therefor |
| 07/23/1997 | EP0785543A2 Condenser lens for optical disks |
| 07/23/1997 | EP0784848A1 Information carrier, device for reading and device for providing the information carrier and method of transmitting picture information |
| 07/23/1997 | EP0784840A1 Reading tutorial system |
| 07/23/1997 | CN1155348A 光信息载体 The optical information carrier |
| 07/23/1997 | CN1155347A Dual layer optical media having partially reflecting thin film layer |
| 07/23/1997 | CN1155088A Apparatus and method for focus control |
| 07/22/1997 | US5650992 Phase change optical disc |
| 07/22/1997 | US5650991 Magneto-optical disc having preformatted information to prevent unauthorized data duplication |
| 07/22/1997 | US5650989 Reproducing system and equalizing method for use in it |
| 07/22/1997 | US5650988 Digital signal reproducing apparatus with an amplitude limit sampling means |
| 07/22/1997 | US5650987 Optical data recording/reproducing apparatus and optical data storage medium for use in the same |
| 07/22/1997 | US5650986 Optical pickup driving apparatus for an optical disk drive |
| 07/22/1997 | US5650984 Method for causing a light beam to jump from an initial track to a target track |
| 07/22/1997 | US5650874 Optical beamsplitter |
| 07/22/1997 | CA2107627C Disk player |
| 07/17/1997 | WO1997025709A2 Optical disk reader |
| 07/17/1997 | DE19654306A1 Forming prerecorded optical disc substrate in high speed moulding process |
| 07/17/1997 | DE19637922A1 Optical disc recording and reproducing equipment |
| 07/16/1997 | EP0784322A2 Digital signal reproducing apparatus and reproducing method thereof |
| 07/16/1997 | EP0784321A2 Automatic disk discrimination method and apparatus in optical disk system |
| 07/16/1997 | EP0784316A2 Optical recording media and information recording and reproducing units |
| 07/16/1997 | EP0784315A1 An objective lens driving device and a method for manufacturing the same |
| 07/16/1997 | EP0784314A1 Optical disc addressing devices |
| 07/16/1997 | EP0784313A2 Control information recording method and apparatus, information recording method and apparatus, and information record medium |
| 07/16/1997 | CN1154722A Elctroless plating method, and method and apparatus for producing stamper |
| 07/16/1997 | CN1154550A Optical disk apparatus |
| 07/16/1997 | CN1154544A Method for manufacturing replica stamper |
| 07/16/1997 | CN1154543A Composite optical device and its manufacturing method |
| 07/16/1997 | CN1154542A Multiple focus optical pickup system |
| 07/16/1997 | CN1154541A Optical pickup system for use with optical disk having multiple recording surfaces |
| 07/16/1997 | CN1154540A Disk drive having eccentricity correction device |
| 07/16/1997 | CN1154539A Optical pickup apparatus |
| 07/16/1997 | CN1154536A Optical disk apparatus |
| 07/16/1997 | CN1154535A Optical disk apparatus |
| 07/15/1997 | US5648954 Information recording/reproducing method |
| 07/15/1997 | US5648953 Sub-que code data read circuit for compact disc reproduction apparartus |
| 07/15/1997 | US5648952 Phase-change optical disc recording method and apparatus, and information recording apparatus and recording pre-compensation method |
| 07/15/1997 | US5648951 Movable optical head integrally incorporated with objective lens and hologram element |
| 07/15/1997 | US5648950 Hologram integrated with a beam splitter to separate a plurality of polarized reflected light beams |
| 07/15/1997 | US5648949 Method and apparatus for information reproduction at variable reference level |
| 07/15/1997 | US5648948 Apparatus for recording and reproducing a frequency bandwidth coded digital audio signal |
| 07/15/1997 | US5648947 Optical disk device having track jumping control |
| 07/15/1997 | US5648946 Optical pick-up apparatus with holographic optical element to diffract both forward and return light beams |
| 07/15/1997 | US5648945 Optical information recording/reproducing apparatus |
| 07/15/1997 | US5648944 Recording/reproducing apparatus that utilizes the servo clock signals to form read and write clock signals with different frequencies |
| 07/15/1997 | US5648850 Method and device for quality control of objects with polarized light |
| 07/15/1997 | US5648197 Optical disk |
| 07/15/1997 | US5648135 Writing, erasing optical disks; nontoxic |
| 07/15/1997 | US5648134 Thermal recording medium capable of keeping width of mark train constant and recording method for the same |
| 07/15/1997 | US5648106 Injection mold for molding information recording discs |
| 07/15/1997 | US5648105 Apparatus for making a plurality of optical record disc subtrates |
| 07/10/1997 | WO1997024723A1 Cd-rom recording |
| 07/10/1997 | WO1997024719A1 Optical disk |
| 07/10/1997 | WO1997024718A1 Apparatus for scanning an optically readable record carrier |
| 07/10/1997 | WO1997024717A1 Device for scanning an optically readable record carrier |
| 07/10/1997 | WO1997024716A1 Device for scanning an optically readable record carrier |
| 07/10/1997 | WO1997024715A1 Optical memory element |
| 07/10/1997 | WO1997024218A1 Cd transporter |
| 07/09/1997 | EP0783167A1 Disc-shaped recording medium having an ancillary information output control code and disc reproducing apparatus therefor |
| 07/09/1997 | EP0783119A1 Biaxial actuator and optical disc apparatus |
| 07/09/1997 | EP0783020A1 Use of carbonates as demoulding agents for thermoplastic polycarbonates |
| 07/09/1997 | EP0782911A2 Stamper plate attaching/detaching device of injection mold for optical disc substrate |
| 07/09/1997 | EP0782910A2 Stamper plate mounting device of injection mold for optical disc substrate |
| 07/09/1997 | EP0782745A1 Method and apparatus for storing data using spin-polarized electrons |
| 07/09/1997 | EP0617829B1 Optical disc addressing devices, a method of use thereof |
| 07/09/1997 | CN1154176A Recording medium, device and method for recording data on the medium, and device and method for reproducing data from the medium |
| 07/09/1997 | CN1154175A Information holding/transmitting medium employing parental control |
| 07/09/1997 | CN1154174A Optical disk and production method thereof |
| 07/09/1997 | CN1154163A Optical beam-splitting element |
| 07/09/1997 | CN1153978A Recording method for optical disk drive |
| 07/09/1997 | CN1153970A Method of and apparatus for initializing optical recording medium |
| 07/08/1997 | US5647036 Projection display with electrically-controlled waveguide routing |
| 07/08/1997 | US5647031 Device for checking the position and/or the focusing of a focused light beam |
| 07/08/1997 | US5646993 Information reproducing method and apparatus having protect function and recording medium used in apparatus |
| 07/08/1997 | US5646932 Optical disk, tracking error signal generating apparatus, and tracking control apparatus |
| 07/08/1997 | US5646931 Recording medium reproduction apparatus and recording medium reproduction method for selecting, mixing and outputting arbitrary two streams from medium including a plurality of high effiency-encoded sound streams recorded thereon |
| 07/08/1997 | US5646930 Recording method and disk including initialization of recording tracks to amorphous phase with a constant power laser power beam |
| 07/08/1997 | US5646929 Optical pickup device |
| 07/08/1997 | US5646928 Free-space integrated micro-pickup head for optical data storage and a micro-optical bench |
| 07/08/1997 | US5646924 Recording and simultaneous verifying method of phase-changing type of information recording medium |
| 07/08/1997 | US5646921 Method and apparatus for reproducing information recorded on CLV disc type record medium |
| 07/08/1997 | US5646920 Digital optical compact disc and compact disc player |
| 07/08/1997 | US5646919 Dynamic tracking control in an optical recording system by sensing mark formation |
| 07/08/1997 | US5646916 Track-lead-in control device for optical head |
| 07/08/1997 | US5646915 Information recording/reproducing apparatus in which a control value for controlling a recording/reproducing head is generated on the basis of a corrected current moving velocity and a target moving velocity |
| 07/08/1997 | US5646789 Objective lens driving apparatus |
| 07/08/1997 | US5646778 Optical beamsplitter |
| 07/08/1997 | US5646415 Apparatus for detecting a defect of an optical disc based on sensor outputs for adjacent positions |
| 07/08/1997 | US5646396 Optical position system |
| 07/08/1997 | US5646273 Phthalocyanine compound and optical recording medium containing it |
| 07/08/1997 | US5645978 Projecting light spots onto a photosensitive material in specified manner |
| 07/08/1997 | US5645964 Stabilizers |