| 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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| 03/21/1995 | US5400317 Polymethyl methacrylate for disks and coatings formed by sputtering, aluminum or alloys for reflecting layers |
| 03/21/1995 | US5400315 Optical disk system |
| 03/21/1995 | US5400314 Optical pickup using a lamp |
| 03/21/1995 | US5400313 Optical data storage system and method with reduced heat buildup |
| 03/21/1995 | US5400312 Apparatus for and method of reading datas recorded on an optical disc |
| 03/21/1995 | US5400311 Hologram and optical apparatus with hologram |
| 03/21/1995 | US5400308 Optical information recording/reproducing device capable of recording information on a moving medium and reproducing information by using reproducing light beams |
| 03/21/1995 | US5400306 Differential detection assembly for data retrieval from a data storage disk |
| 03/21/1995 | US5399849 Focusing control apparatus for an optical disk system employing a gain adjusted and phase compensated error signal |
| 03/21/1995 | US5399461 Optical disk for use in optical memory devices |
| 03/21/1995 | US5399451 Fluorescent dye, photoreactive bistable quencher |
| 03/21/1995 | US5399220 Composite disc media and method for making same |
| 03/21/1995 | CA2022192C Optical disk recording/reproducing device |
| 03/16/1995 | WO1995007275A1 Photochromic compounds, methods and intermediates for producing them and their use |
| 03/16/1995 | WO1995007189A1 Optical information recording medium and near-infrared absorbing material used therein |
| 03/16/1995 | WO1995007184A1 Optical data recordal |
| 03/16/1995 | WO1995007152A1 Surface processing |
| 03/15/1995 | EP0643391A1 Information recording media, optical disc and playback system |
| 03/15/1995 | EP0643388A1 Optical disk and optical recording and reproducing apparatus |
| 03/15/1995 | EP0643387A1 Optical information recording/reproducing system |
| 03/15/1995 | EP0643386A1 Objective lens driving apparatus and optical head driving apparatus |
| 03/15/1995 | EP0642693A1 Reproduction technique for sounds, pictures or both |
| 03/15/1995 | EP0642692A1 Erasable optical media |
| 03/15/1995 | EP0642691A1 Erasable optical recording media |
| 03/14/1995 | US5398232 Optical recording medium with prepit areas having reflectivity higher than land areas |
| 03/14/1995 | US5398231 Optical information recording substrate and method of making thereof |
| 03/14/1995 | US5398228 Photo-detecting device for reproducing information recorded on an optical disk |
| 03/14/1995 | US5398226 Image tracking of optical media using two wavelength optical head |
| 03/14/1995 | US5398225 Optical information recording/regenerating apparatus and track scanning method for an optical information recording/regenerating apparatus |
| 03/14/1995 | US5398224 Optical disk reproducing apparatus having a track jump control means |
| 03/14/1995 | US5398223 Reproducing method and reproducing apparatus for optical recording medium |
| 03/14/1995 | US5398222 Method and apparatus of measuring seek time using optical disk apparatus |
| 03/14/1995 | US5398221 Information storage device capable of oepration in a velocity control mode and a tracking control mode |
| 03/14/1995 | US5397597 Optical recording medium and method of manufacturing the same |
| 03/09/1995 | WO1995006943A1 Cd mastering process |
| 03/08/1995 | EP0642128A1 Recordable optical disk |
| 03/08/1995 | EP0642124A1 Optical information recording medium |
| 03/08/1995 | EP0642123A1 Information recording medium and recording method using the same |
| 03/08/1995 | EP0642122A1 Recordable optical disk and recording apparatus therefor |
| 03/08/1995 | EP0642121A1 Recordable optical disk |
| 03/08/1995 | EP0494892B1 Detector circuit |
| 03/07/1995 | US5396482 System for reading optical disks and optical disks readable by this system |
| 03/07/1995 | US5396481 Semiconductor laser device which emits inclined laser beam |
| 03/07/1995 | US5396480 Method and apparatus for recording information using an energy beam of power levels changed stepwise |
| 03/07/1995 | US5396479 Apparatus and method for setting a threshold level to maintain duty cycle in a pulse width modulated optical recording system |
| 03/07/1995 | US5396478 Optical data storage system with aberration compensation for reduced servo crosstalk |
| 03/07/1995 | US5396477 Light spot positioning method and optical disc memory apparatus employing the same |
| 03/07/1995 | US5396476 Sensing contamination level in an optical storage device |
| 03/07/1995 | US5396061 Opto-magnetic recording polarization optical apparatus having a light absorbing film and a total reflection film |
| 03/07/1995 | US5395910 Photostable polymers |
| 03/07/1995 | US5395735 Optical information recording medium and method of manufacture |
| 03/07/1995 | US5395678 Thin film color filter for liquid crystal display |
| 03/07/1995 | US5395669 Optical record medium |
| 03/07/1995 | US5394599 Method for automatically exchanging a stamper unit with another one |
| 03/07/1995 | CA1334624C Near infrared absorbing composition and material and product containing same |
| 03/02/1995 | DE4430222A1 Magnetooptical storage element |
| 03/02/1995 | DE4429131A1 Excursion-control device with tilt sensor |
| 03/01/1995 | EP0641115A1 Image scanning head for a thermal ink-jet printer |
| 03/01/1995 | EP0640962A1 Optical device |
| 03/01/1995 | EP0640961A1 An apparatus for use in adjusting an optical head |
| 03/01/1995 | EP0640960A2 Interchangeable recording medium and method of controlling same |
| 03/01/1995 | EP0640868A1 Camera utilizing variable audio film frame for optical encoding of audio information |
| 03/01/1995 | EP0640605A1 Spiropyran compound, optically active spiropyran compound, and use thereof |
| 03/01/1995 | EP0640458A1 Insulated mold structure for injection molding of optical disks |
| 03/01/1995 | CN1099508A CD scanning method is CD player |
| 02/28/1995 | US5394387 Information recording/reproducing method |
| 02/28/1995 | US5394386 Optical disk high-speed search control device |
| 02/28/1995 | US5394385 Optical information recording/reproducing apparatus for performing positioning of recording/reproducing spot by selection of pairs of photo detecting elements |
| 02/28/1995 | US5394383 Method of controlling reproduction finish of optical disc reproducing apparatus and the optical disc reproducing apparatus |
| 02/28/1995 | US5394382 Method for the organization of data on a CD-ROM |
| 02/28/1995 | US5394381 Optical pickup apparatus and magneto-optical reproducing system |
| 02/23/1995 | WO1995005286A1 Method of marking a body of material |
| 02/22/1995 | EP0639830A1 Optical recording apparatus |
| 02/22/1995 | EP0639787A1 Camera including optical encoding of audio information |
| 02/22/1995 | EP0587669A4 Optical memories incorporating diffraction gratings. |
| 02/22/1995 | CN1099180A Optical information medium and production of same |
| 02/22/1995 | CN1099144A Focusing servo system and focus servo acquisition enable method |
| 02/21/1995 | US5392413 Record medium reproducing device |
| 02/21/1995 | US5392351 Electronic data protection system |
| 02/21/1995 | US5392274 Optical pickup device |
| 02/21/1995 | US5392273 Optical storage drive controller with predetermined light source drive values stored in non-volatile memory |
| 02/21/1995 | US5392272 Single erasable optical recording layer having both retention and expansion characteristics |
| 02/21/1995 | US5392271 Concurrent recording and reproducing optical disc and optical head apparatus for the same |
| 02/21/1995 | US5392270 Information recording reproducing apparatus using data conversion to provide for accurate reproduction of high density recording using an optical recording medium |
| 02/21/1995 | US5392269 Medium replaceable recording and reproducing apparatus in which full initialization is not needed depending on the inserted state of the medium |
| 02/21/1995 | US5392268 Optical recording/reproducing apparatus for reproducing information of multiple tracks capable of correcting uneven illumination of the multiple tracks |
| 02/21/1995 | US5392267 Optical card reading and writing method with redundant directory storage to improve reliability |
| 02/21/1995 | US5392265 Recording and reproducing apparatus which calculates and displays management information of recorded segments |
| 02/21/1995 | US5392263 Magneto-optical disk system with specified thickness for protective layer on the disk relative to the numerical aperture of the objective lens |
| 02/21/1995 | US5392262 Two-sided optical disks having recording layers disposed close to outer surfaces and spaced axially apart a greater distance and devices for using the disks |
| 02/21/1995 | US5392181 Magneto-optical reading head |
| 02/21/1995 | US5392173 Method and apparatus for controlling a small spacing between a magnetic head and a magnetic recording medium |
| 02/21/1995 | US5391865 Optical pickup apparatus and optical grating assembly therefor |
| 02/21/1995 | US5391762 Near infra red absorbers for optical recording media |
| 02/21/1995 | US5391462 Otical record disk |
| 02/21/1995 | US5391461 Excellent error rate, jitter value |
| 02/21/1995 | US5391413 Light-absorbing and light-reflecting layer formed in superposition on a light-transparent substrate |
| 02/21/1995 | US5391231 Holding arrangement for a planar workpiece and at least one such holding arrangement |
| 02/16/1995 | DE4326794A1 Process and apparatus for printing flat individual objects |
| 02/15/1995 | EP0638900A2 Disc data reproducing apparatus and signal processing circuit |