| 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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| 04/27/1999 | US5898653 Optical head unit for use in an information read/write apparatus |
| 04/27/1999 | US5898652 Support structure for an optical pickup |
| 04/27/1999 | US5898651 Objective lens actuator assembly for an optical disk drive |
| 04/27/1999 | US5898167 Optical pick-up head and integrated type optical unit for use in optical pick-up head |
| 04/27/1999 | US5898166 Information reproduction system which utilizes physical information on an optically-readable code and which optically reads the code to reproduce multimedia information |
| 04/27/1999 | CA2174320C System and method for controlling play of multiple dialog audio tracks of a software carrier |
| 04/27/1999 | CA2148748C Method and apparatus for retreiving data from a storage device |
| 04/22/1999 | WO1999019869A1 Method and apparatus of multibeam optical disc readout |
| 04/22/1999 | WO1999019868A1 Optical disc readout method and apparatus with focusing |
| 04/22/1999 | WO1999019867A1 Multibeam optical disk readout method and apparatus |
| 04/22/1999 | WO1999019536A1 Introducing process fluid over rotating substrates |
| 04/22/1999 | WO1999004393A3 Semi-manufactured stamper and method of manufacturing the same |
| 04/22/1999 | WO1998055995B1 Semi-manufactured stamper |
| 04/22/1999 | DE19742150C1 Verfahren zur Herstellung einer optischen Speicherplatte und zu deren Herstellung geeigneter CD-R-Plattenrohling A process for producing an optical memory disk, and suitable for their preparation CD-R disc blank |
| 04/21/1999 | EP0910079A1 Optical disc drive and method of discriminating optical discs |
| 04/21/1999 | EP0910078A2 Optical device for photomagnetic recording, used in a recording/reproducing apparatus |
| 04/21/1999 | EP0910077A2 Magneto-optical recording/reproducing apparatus and method |
| 04/21/1999 | EP0910075A2 Optical device |
| 04/21/1999 | EP0910074A2 Optical pickup device |
| 04/21/1999 | EP0910073A2 Optical disc apparatus having collision preventing means and method for controlling and optical disc apparatus |
| 04/21/1999 | EP0910072A2 Multi-layered optical disk |
| 04/21/1999 | EP0910071A1 Optical information recording/reproduction apparatus |
| 04/21/1999 | EP0910070A2 Optical information recording/reproducing apparatus |
| 04/21/1999 | EP0910069A2 Optical disk |
| 04/21/1999 | EP0909446A2 Apparatus for recording an information signal |
| 04/21/1999 | EP0714353B1 Method of marking a body of material |
| 04/21/1999 | CN1214790A Method and apparatus for writing optical recording media |
| 04/21/1999 | CN1214789A Optical recording medium |
| 04/21/1999 | CN1214788A Optical recording/reproducing apparatus |
| 04/21/1999 | CN1214787A System for storing and/or reproducing information |
| 04/21/1999 | CN1214511A Cartridge loading apparatus with improved parking arm |
| 04/21/1999 | CN1214510A Improved cartridge loading apparatus with tilting bias coil assembly |
| 04/21/1999 | CN1214509A Cartridge loading apparatus with improved base plate and cartridge receiver latch |
| 04/21/1999 | CN1214508A Cartridge loading apparatus with improved cartridge receiver |
| 04/21/1999 | CN1214507A Disk drive system and method for operating same |
| 04/21/1999 | CN1214504A Optical discs, producing methods and production apparatus of optical discs |
| 04/21/1999 | CN1214503A Optical head |
| 04/21/1999 | CN1214502A Optical seeking method and apparatus and disk drive system including same |
| 04/21/1999 | CN1214501A Optical seeking method and apparatus with track counting or track crossing signal generation using tracking error signal having constant amplitude during data segments |
| 04/21/1999 | CN1214500A CD play back system with synchronization and anti-vibration functions |
| 04/20/1999 | US5896403 Dot code and information recording/reproducing system for recording/reproducing the same |
| 04/20/1999 | US5896367 High density optical disc and optical disc player |
| 04/20/1999 | US5896366 Optical recording medium having a plurality of recorded pits of different heights and depths |
| 04/20/1999 | US5896365 Optical information recording medium capable of recording in lands and grooves without a track-jumping operation; optical information recording/reproducing apparatus using, and master disk exposure apparatus for producing the same |
| 04/20/1999 | US5896364 Optical recording medium having both serial data and random data recording areas |
| 04/20/1999 | US5896362 Lens Inclination Adjustment System |
| 04/20/1999 | US5896361 Master disk exposure device using optical fiber |
| 04/20/1999 | US5896360 Optical pickup device and optical disc driving apparatus having light polarizing hologram |
| 04/20/1999 | US5896359 Spinning disc volume holographic memory |
| 04/20/1999 | US5896354 Optical storage apparatus having switching control circuit for controlling an envelope detecting function in accordance with a medium type or access type |
| 04/20/1999 | US5896353 Servo control apparatus for controlling position of device |
| 04/20/1999 | US5896351 Recording method for optical disk drive |
| 04/20/1999 | US5896280 Frequency converter and improved UPS employing the same |
| 04/20/1999 | US5896210 Molded block optical system for volume holographic storage |
| 04/20/1999 | US5895876 Sound reproducing apparatus which utilizes data stored on a recording medium to make the apparatus more user friendly and a recording medium used in the apparatus |
| 04/20/1999 | US5895124 Optical disc and reproduction device which can achieve a dynamic switching of the reproduced content |
| 04/15/1999 | WO1999018612A2 Wafer level integration of multiple optical elements |
| 04/15/1999 | WO1999018576A2 An apparatus for reading and/or writing information from/on a recording medium |
| 04/15/1999 | WO1999018572A1 A method of manufacturing a stamper for producing optical discs, a stamper thus obtained and an optical disc obtained by using such a stamper |
| 04/15/1999 | WO1999018571A1 Optic storage medium |
| 04/15/1999 | WO1999018570A1 A method and apparatus for providing enhanced transfer rate for a constant angular velocity storage disc |
| 04/15/1999 | WO1999018569A1 Optical scanning unit having a main lens and an auxiliary lens |
| 04/15/1999 | WO1999018568A1 Device for optically scanning a record carrier |
| 04/15/1999 | WO1999018466A1 Spherical-aberration detection system and optical device using the same |
| 04/15/1999 | WO1999018459A1 Optical head device and a diffraction element suitable for the device, and a method of manufacturing the diffraction element and the optical head device |
| 04/15/1999 | WO1999006464A8 Copolycarbonates with an idane bisphenol base |
| 04/15/1999 | DE19744408A1 Adhering halves of digital video disc evenly together |
| 04/15/1999 | DE19581727C2 Labeller for placing self adhesive labels on compact discs |
| 04/15/1999 | CA2305147A1 Optic storage medium |
| 04/14/1999 | EP0908882A2 Recording apparatus, recording method and disc-shaped record medium |
| 04/14/1999 | EP0908879A2 Optical information storage apparatus |
| 04/14/1999 | EP0908878A2 Optical information storage unit |
| 04/14/1999 | EP0908877A2 Optical information storage unit |
| 04/14/1999 | EP0908876A2 Process and apparatus for gluing a first flat disc-shaped synthetic substrate to a second similar substrate for forming a digital video disc |
| 04/14/1999 | EP0908875A2 Optical discs, producing methods and production apparatus of the optical discs |
| 04/14/1999 | EP0908874A1 Magneto-optic recording medium and optical information storage unit |
| 04/14/1999 | EP0908873A1 Device for reading from and/or writing to optical recording media |
| 04/14/1999 | EP0908872A2 Optical information storage unit |
| 04/14/1999 | EP0908871A2 Optical information storage apparatus |
| 04/14/1999 | EP0908058A1 Optical disc |
| 04/14/1999 | EP0907952A1 Method of providing an optical data carrier with identity information |
| 04/14/1999 | EP0907951A1 Optical disc and optical disc driving apparatus |
| 04/14/1999 | EP0907930A1 Storage medium and manufacture thereof |
| 04/14/1999 | EP0528425B1 Information reproducing method and apparatus |
| 04/14/1999 | CN2314441Y 光电电脑卡 Optical PC Card |
| 04/14/1999 | CN1214148A Writing device, record carrier and method of writing information blocks, and reading device for reading information blocks |
| 04/14/1999 | CN1214147A Writing device, record carrier and method of writing information blocks, and reading device for reading information blocks |
| 04/14/1999 | CN1214146A Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device |
| 04/14/1999 | CN1214145A Polymer layer for optical media |
| 04/14/1999 | CN1214144A Optical data storage disc |
| 04/14/1999 | CN1214143A Read/write arrangement for optical media |
| 04/14/1999 | CN1214142A Optical reproduction method and optical information appts. |
| 04/14/1999 | CN1213832A Information carrier, device for reading and device for supplying carrier and method for transmitting image information |
| 04/14/1999 | CN1213826A Cartridge-loading apparatus and method |
| 04/14/1999 | CN1213823A Manufacturing method of master disk for forming optical disk |
| 04/14/1999 | CN1213822A Optical information recording medium, its mfg. method and information reproduction method utilizing same medium |
| 04/14/1999 | CN1213821A Optical pickup |
| 04/14/1999 | CN1213820A Device for reading from or writing to optical recording media |
| 04/14/1999 | CN1213818A Reproducing device, reproducing method, and recording medium |
| 04/14/1999 | CN1213817A Apparatus for replaying recording medium |