| 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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| 12/29/1997 | EP0814468A1 Laminated proximity field optical head and optical information recording and reproducing device |
| 12/29/1997 | EP0814467A2 Optical head |
| 12/29/1997 | EP0814466A2 Optical head |
| 12/29/1997 | EP0814465A2 Optical pickup apparatus for reproduction of information record medium |
| 12/29/1997 | EP0814464A2 Optical disk and method of manufacturing the same |
| 12/29/1997 | EP0814463A2 Method and apparatus for writing and reading optical recording medium |
| 12/29/1997 | EP0814462A2 Signal recovery and error detection means for an information recording medium |
| 12/29/1997 | EP0814461A2 Phase detected direct read during write |
| 12/29/1997 | EP0813740A1 Reduced solvent antistatic hard coat |
| 12/29/1997 | EP0813739A1 Method and means for changing pit depth on an optical recordable medium |
| 12/29/1997 | EP0497898B1 Sulfonated polyaniline salt compositions, processes and uses |
| 12/29/1997 | EP0284037B1 Modular data storage directories for large-capacity data storage units |
| 12/24/1997 | WO1997049083A1 Optical disk and method of manufacturing the same |
| 12/24/1997 | CN1168526A Optical pickup capable of compatibly adopting disks of different thickness |
| 12/24/1997 | CN1168525A Recording medium, optical disk apparatus and method of information recording |
| 12/24/1997 | CN1168524A Pickup adjusting device in optical disk player |
| 12/24/1997 | CN1168523A Disk discrimination apparatus for optical disk reproducing apparatus |
| 12/23/1997 | US5701511 Redbook audio sequencing |
| 12/23/1997 | US5701290 Carriage locking mechanism for an optical disk drive including a yoke member having a notch formed thereon |
| 12/23/1997 | US5701289 Optical head with hologram couplers for reading and writing data |
| 12/23/1997 | US5701288 Optical pickup device with light spot size adjustment for different density disks |
| 12/23/1997 | US5701287 For recording and/or reproducing information signals |
| 12/23/1997 | US5701286 Super-resolution optical head device which produces side spots without side lobes |
| 12/23/1997 | US5701285 Optical data reproducing apparatus |
| 12/23/1997 | US5701283 Method and apparatus for high speed optical storage device |
| 12/23/1997 | US5701280 Optical information recording and/or reproducing apparatus in which a reproducing light beam is modulated with at least a 100% degree of modulation |
| 12/23/1997 | US5701279 Optical information recording-reproducing apparatus including a light beam detector being divided by a division line extending in a direction perpendicular to an information track |
| 12/23/1997 | US5701210 Achromatic optical system for beam transformation and optical disk apparatus using the same |
| 12/23/1997 | US5700540 Grooved substrate having thin surface smoothing layer of non-polymeric amorphous mixture of specified low molecular weight compounds, recording layer; improved noise level, performance |
| 12/23/1997 | US5700539 Thin film and interferometric optical disk media and mass production method for fabricating such and multi-layer CDS |
| 12/23/1997 | US5699848 Method for manufacturing a replica stamper |
| 12/18/1997 | WO1997048012A1 Apparatus for recording data on movie film |
| 12/18/1997 | DE3348470C2 Fast positioning pick-up system for optical play-back appts. |
| 12/17/1997 | EP0813198A2 Recording and reproduction apparatus and method, and disk |
| 12/17/1997 | EP0813193A1 Optical disk |
| 12/17/1997 | EP0813192A1 System for discriminating optical discs |
| 12/17/1997 | EP0813191A2 Circuit for generating a track traverse detecting signal in an information recording and reproducing apparatus for an optical information recording medium |
| 12/17/1997 | EP0813190A2 Jump controller for an optical information recording and reproducing apparatus |
| 12/17/1997 | EP0813189A1 Optical phase-change disc |
| 12/17/1997 | EP0813141A2 A recordable compact disk controller circuit |
| 12/17/1997 | EP0812458A1 Apparatus for scanning an optically readable record carrier |
| 12/17/1997 | EP0812457A1 Device for scanning an optically readable record carrier |
| 12/17/1997 | EP0812430A2 A confocal optical microscopy system for multi-layer data storage and retrieval |
| 12/17/1997 | CN1168190A Optical registration tape |
| 12/17/1997 | CN1167980A Method and device for recording information |
| 12/17/1997 | CN1167979A Method and device for recording information |
| 12/17/1997 | CN1167975A Optical pickup device |
| 12/17/1997 | CN1167974A Optical recording and reproducing device |
| 12/17/1997 | CN1167973A Compatible recording or reproduction device and method thereof |
| 12/17/1997 | CN1167972A Optical information recording/reproducing device and method for recording/reproducing information |
| 12/16/1997 | US5699343 For reading out data recorded on a medium |
| 12/16/1997 | US5699342 Method of and device for recording and playing back an optical disk having a test playback region utilizing pits of minimum size for controlling the power of the laser |
| 12/16/1997 | US5699341 Optical disk apparatus and optical head thereof |
| 12/16/1997 | US5699340 Method for correcting aberration due to optical disk tilt and apparatus therefor |
| 12/16/1997 | US5699339 Inverse image generating method apparatus thereof and focus error detecting method using the same and apparatus thereof |
| 12/16/1997 | US5699337 Information recording apparatus employing pit edge shifting wherein an error correcting circuit generates an error correction code which is added at part of bits of a predetermined plurality of bits constituting a unit of digital information |
| 12/16/1997 | US5699336 Reproducing apparatus having buffer memory and capable of rapidly restarting reproduction and method of controlling the apparatus |
| 12/16/1997 | US5699335 For rotating an optical disc |
| 12/16/1997 | US5699334 Control devices for optical disk based on driving signal saturation |
| 12/16/1997 | US5699333 Optical disk reproducing method and apparatus having focusing gain and offset correction capability |
| 12/16/1997 | US5699332 Control circuit of optical disk system to improve transition for seek control to tracking control |
| 12/16/1997 | US5699331 Apparatus operating with recording medium according to positional information of a secret code |
| 12/16/1997 | US5699330 Magnetooptical disc apparatus having single micro-processor for controlling input/output processing of information by causing an interruption in the processing |
| 12/16/1997 | US5699175 Electrooptic host material doped with at least one lanthanide |
| 12/16/1997 | US5699047 Electronic article surveillance markers for direct application to optically recorded media |
| 12/16/1997 | US5698911 Voice coil motor |
| 12/16/1997 | US5698344 Two-step gated holographic recording in photorefractive materials using cw lasers |
| 12/16/1997 | US5698285 Photocurable |
| 12/16/1997 | US5698030 Compact disc coating and handling system |
| 12/16/1997 | CA2131813C Improved surface-enhanced raman optical data storage system |
| 12/11/1997 | WO1997047003A1 Optical pickup |
| 12/11/1997 | WO1997047002A1 System comprising optical discs and a scanning device |
| 12/11/1997 | WO1997034296A3 Device for writing and/or reading optical recording medium of various designs |
| 12/10/1997 | EP0811972A2 Optical disk recording apparatus |
| 12/10/1997 | EP0811971A2 Optical disk apparatus |
| 12/10/1997 | EP0811970A2 Optical information apparatus and method of use |
| 12/10/1997 | EP0811969A2 An optical memory medium |
| 12/10/1997 | EP0811968A2 Magneto optical memory element |
| 12/10/1997 | EP0811506A1 Optical recording material and optical recording medium |
| 12/10/1997 | EP0811227A1 Optical data recording/reading medium and recording method |
| 12/10/1997 | EP0810995A1 Photochromic material for electro-optic storage memory |
| 12/10/1997 | CN1167316A Optical record medium |
| 12/10/1997 | CN1167315A Glass-ceramic sustrate on magnetic disc and making method thereof |
| 12/10/1997 | CN1167314A Optical head |
| 12/10/1997 | CN1167313A Optical data storage system with multi-layer rewriting phase-change record layer |
| 12/10/1997 | CN1167312A Record media, optical information reproducing device and search method |
| 12/10/1997 | CN1167311A Information record medium, recoridng and reproducing device used for it |
| 12/09/1997 | US5696869 Variable-content-video provider system |
| 12/09/1997 | US5696758 Optical recording media |
| 12/09/1997 | US5696757 Optical disc, device for checking optical disc and device for recording information on optical disc |
| 12/09/1997 | US5696756 Optical disk having an evaluation pattern for evaluating the optical disk |
| 12/09/1997 | US5696755 System for minimizing the effects of scratches on recording media |
| 12/09/1997 | US5696754 Optical disk having a high-density recording layer and a low density recording layer |
| 12/09/1997 | US5696753 Optical pickup feeding apparatus |
| 12/09/1997 | US5696752 Low noise atip detection from an optical recording medium with wobbled grooves |
| 12/09/1997 | US5696750 Optical head apparatus for different types of disks |
| 12/09/1997 | US5696749 Dual-wavelength optical recording head utilizing grating beam splitter and integrated laser and detectors |
| 12/09/1997 | US5696748 Hologram optical system for optical pickup for optical disk drive |
| 12/09/1997 | US5696747 System and method for high resolution optical recording using dual optical sources and an induced shift in media absorption |
| 12/09/1997 | US5696744 Disk reproducing apparatus having a disk diameter determining function |