| 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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| 05/25/1993 | US5214633 Optical waveguide recording medium playing apparatus |
| 05/25/1993 | US5214632 Multilayer synthetic resin with light absorbing dye and plate |
| 05/25/1993 | US5214631 Disc recording/reproducing apparatus having a servo system capable of successively recording and reproducing tracks on a disc irrespective of turbulence of the servo system due to a disturbance |
| 05/25/1993 | US5214630 Optical head having light transmissive carriage |
| 05/25/1993 | US5214629 Optical disc having a high-speed access capability and reading apparatus therefor |
| 05/25/1993 | US5214627 Optical disk having read-exclusive and write-enable regions |
| 05/25/1993 | US5214626 Information recording/reproducing apparatus for writing on and reading from a rewritable optical disk have tracks divided into a plurality of sectors |
| 05/25/1993 | US5214188 2,3-dicyanonaphthalene derivatives |
| 05/25/1993 | US5214072 Purification of polycarbonate, polyester carbonate or polyester waste |
| 05/25/1993 | US5213955 Optical absorptive and light reflective layers on transparent substrate |
| 05/25/1993 | US5213947 Optical recording medium |
| 05/25/1993 | US5213862 Forming a disk by injection molding poly-1,4-dimethylene-2,3-diethylcyclopentane |
| 05/25/1993 | US5213859 Optical recording disk |
| 05/25/1993 | US5213600 Method of manufacturing an optical storage disk |
| 05/25/1993 | CA1318399C Optical element, optical disc and rotary encoder with the optical element |
| 05/20/1993 | CA2083244A1 Access and tracking device for optical disks |
| 05/19/1993 | EP0542730A2 Optical disc and disc drive apparatus for writing/reading data into/from the disc |
| 05/19/1993 | EP0542558A2 Optical information recording/reproducing apparatus |
| 05/19/1993 | EP0542516A2 Focus control device for optical pickup |
| 05/19/1993 | EP0542435A1 Roll stamper, and apparatus and process for manufacturing substrate sheet for information recording mediums by using the same |
| 05/19/1993 | EP0542423A2 Improved recording disk hub bond |
| 05/19/1993 | EP0542402A1 Pickup device |
| 05/19/1993 | EP0542176A2 Magneto-optical recording medium |
| 05/19/1993 | EP0542135A2 An optical card reproducing apparatus for reproducing information with a two-dimensional solid-state imaging device |
| 05/19/1993 | EP0541978A2 Information processing apparatus |
| 05/19/1993 | EP0541640A1 Liquid crystal polymers and process for light-induced orientation of said polymers for the purpose of reversible data storage. |
| 05/19/1993 | DE4235178A1 Disc for optical recording and reproduction of information - uses ultraviolet sensitive adhesive to bond recording material layer to substrates and to each other. |
| 05/19/1993 | CN1072272A Methods of varying optical properties, optical devices, information recording media and information recording methods and apparatus |
| 05/19/1993 | CN1020821C Recording media |
| 05/18/1993 | US5212682 Write-one type recording medium storing time and data-writing management data and recording apparatus thereof |
| 05/18/1993 | US5212680 Mass storage device employing array of transducers "cocked" in relation to reciprocal movement axis |
| 05/18/1993 | US5212677 Defect inspecting apparatus for disc-shaped information recording media |
| 05/18/1993 | US5212675 Apparatus for detecting position of light spot |
| 05/18/1993 | US5212674 Optical high density data reproducing apparatus using interference techniques |
| 05/18/1993 | US5212673 Compact optical disk drive unit |
| 05/18/1993 | US5212572 Optical data storage system with compact holographic polarization-sensing or reflectivity-sensing optical storage head |
| 05/18/1993 | US5212563 Cd-rom and cd-rom reproducing system |
| 05/18/1993 | US5212027 Monomers and their use for the production of a laser-optical recording element which can be repeatedly erased and recorded on |
| 05/18/1993 | US5211885 Squarylium dyes and products and processes using same |
| 05/18/1993 | CA1318024C Multilayer recording medium for optical information |
| 05/18/1993 | CA1318023C Reading apparatus and photodetector for optical recording medium |
| 05/13/1993 | WO1993009536A1 Method for measuring quantity of displacement |
| 05/13/1993 | WO1993009535A1 Focus detecting mechanism and optical head and optical storage using the same |
| 05/13/1993 | WO1993009534A1 Actuator arrangement |
| 05/13/1993 | WO1993009128A1 Hybridization of polynucleotides conjugated with chromophores and fluorophores to generate donor-to-donor energy transfer system |
| 05/12/1993 | EP0541461A2 Multichannel optical recording apparatus employing laser diodes |
| 05/12/1993 | EP0541376A1 Optical recording medium |
| 05/12/1993 | EP0541241A2 Track jump operation in two-head-type video disc player |
| 05/12/1993 | EP0541219A1 Method of operating optical disk apparatus |
| 05/12/1993 | EP0541209A2 Optical head servo device |
| 05/12/1993 | EP0541162A2 Electro-optical scanning device, hinge element for use in the scanning device, and optical player comprising the scanning device |
| 05/12/1993 | EP0540843A1 Process for producing optical disks |
| 05/11/1993 | US5210738 Optical information recording medium |
| 05/11/1993 | US5210735 Optical recording/reproducing system, having function of detecting dirt deposition on optical pickup |
| 05/11/1993 | US5210734 Information management method for appendage type additional information recording medium |
| 05/11/1993 | US5210733 Information recording and reproducing device employing variable data recording clock rates |
| 05/11/1993 | US5210732 Optical disk apparatus |
| 05/11/1993 | US5210731 Information processing apparatus with missing pulse detection and correction |
| 05/11/1993 | US5210730 Tracking error detecting apparatus for use in multibeam optical disk device |
| 05/11/1993 | US5210726 Track seek method utilizing an ideal signal |
| 05/11/1993 | US5210649 Mount for an optical element |
| 05/11/1993 | US5210627 Optical record and reproduction apparatus with liquid crystal panel that rotates light followed by a polarizer or birefringent plate |
| 05/11/1993 | CA1317675C Optical disk substrate |
| 05/11/1993 | CA1317674C Optical pickup device |
| 05/06/1993 | DE4236779A1 Optical data disc reader - balances difference between output of pair of photodetectors sensing laser beam spot reflected from diskette |
| 05/06/1993 | DE4135908A1 Aktuatoranordnung Actuator |
| 05/05/1993 | EP0540468A1 NIR-dyes, method for their preparation and their use |
| 05/05/1993 | EP0540345A1 Method and apparatus for recording and reproducing information |
| 05/05/1993 | EP0540164A1 Disc recording and reproducing apparatus and disc |
| 05/05/1993 | EP0539959A2 Digital servo apparatus for optical disc player |
| 05/05/1993 | EP0528995A4 Semiconductor processor apparatus with dynamic wafer vapor treatment and particle volatilization |
| 05/05/1993 | EP0186689B1 Optical information carrier maintaining its flat shape |
| 05/05/1993 | CN1020515C Counting device |
| 05/04/1993 | US5208801 Method and apparatus for correcting focus in an optical recording system |
| 05/04/1993 | US5208800 Mode splitter and magneto-optical signal detection device |
| 05/04/1993 | US5208794 Optical disk apparatus having a stationary optical system and a movable optical system |
| 05/04/1993 | US5208793 Optical disk apparatus including a braking device for frictionally suppressing movement of an optical head carriage |
| 05/04/1993 | US5208792 Recording and reproducing apparatus using opto-magneto media |
| 05/04/1993 | US5208703 Apparatus for supporting optical system |
| 05/04/1993 | US5208679 Apparatus for reproducing information in response to selected image change control information |
| 05/04/1993 | US5208307 Optical material |
| 05/04/1993 | US5208301 Sulfonated polyaniline compositions, ammonium salts thereof, process for their preparation and uses thereof |
| 05/04/1993 | US5208088 Optical recording medium |
| 05/04/1993 | CA1317374C Optical memory medium |
| 05/01/1993 | CA2081641A1 Nir dyes, methods of preparing them and their use |
| 04/29/1993 | WO1993008566A1 Optical scanning device with lens-holder |
| 04/29/1993 | WO1993008565A1 Optical data storage disc |
| 04/29/1993 | WO1993008500A2 Optically encoded phase matched second harmonic generation, self frequency doubling laser material, and holographic optical memory using semiconductor microcrystallite doped glasses |
| 04/29/1993 | DE4134803A1 Optische abtastvorrichtung mit einem linsenhalter Optical scanning device with a lens holder |
| 04/29/1993 | CA2119450A1 Optically encoded phase matched second harmonic generation, self frequency doubling laser material, and holographic optical memory using semiconductor microcrystallite doped glasses |
| 04/28/1993 | EP0539354A2 Optical pickup apparatus |
| 04/28/1993 | EP0539217A2 Holographic elements for an optical recording system |
| 04/28/1993 | EP0539128A2 Plural-beam optical head |
| 04/28/1993 | EP0539019A1 Focusing servo apparatus for an optical disc |
| 04/28/1993 | EP0538936A2 Device for scanning a record carrier |
| 04/28/1993 | EP0538866A1 Protective coating material |
| 04/28/1993 | EP0538824A2 An inclination adjusting device for an objective lens for an optical information recording and reproduction apparatus |
| 04/27/1993 | US5206853 Apparatus and method for detecting intersymbol interference |
| 04/27/1993 | US5206852 High-density recording optical head |
| 04/27/1993 | US5206851 Cross interleaving circuit |