| 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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| 08/08/1995 | US5440669 Photorefractive systems and methods |
| 08/08/1995 | US5440536 Optical disk apparatus for producing information recorded on a recording track |
| 08/08/1995 | US5440535 Method of counting tracks on disk and track counter circuit therefor |
| 08/08/1995 | US5440534 Method and apparatus for maintaining a recording light beam in an on-track position on a recording medium |
| 08/08/1995 | US5440533 Optical head unit having disk-shaped rotor with generally planar and common mounting surface for optical elements |
| 08/08/1995 | US5440532 Digital signal reproducing apparatus for reproducing digital signals from a recording medium |
| 08/08/1995 | US5440529 Audio and general digital data recording and/or reproducing apparatus having two interface circuits |
| 08/08/1995 | US5440507 Diamond-like carbon write-read optical storage memory |
| 08/08/1995 | US5440427 Optical pick-up device having an optical diffraction grating element |
| 08/08/1995 | US5440419 Read-write head for an optical tape recorder |
| 08/08/1995 | US5440358 Optical lens comprised of high surface hardness transparent resin |
| 08/08/1995 | US5439992 Continuous process for making melt-processable optical grade ring-opened polycyclic (co)polymers in a single-stage multi-zoned reactor |
| 08/08/1995 | US5439778 Mixing solution of non-aggregated portion of dye material and solution of aggregated portion of dye material, coating on surface of light transmission substrate |
| 08/08/1995 | US5439752 Gold and aluminum multilayers; corrosion and oxidation resistance |
| 08/08/1995 | US5439722 Substrate composed of at least one cycloolefin copolymer for recording media and process for producing it |
| 08/08/1995 | US5439500 Magneto-optical alloy sputter targets |
| 08/08/1995 | CA2050159C First order mode frequency doubler system and method |
| 08/08/1995 | CA2023028C Method for making edge faded holograms |
| 08/03/1995 | WO1995020813A1 Process of producing a data-storage unit |
| 08/03/1995 | DE4403173A1 Verfahren zum Entschichten metallisierter, plattenförmiger Informationsträger A method for stripping metallized, disc-shaped information carrier |
| 08/03/1995 | DE4402731A1 Shock-proof optical disc player |
| 08/02/1995 | EP0665553A1 Optical disk drive unit |
| 08/02/1995 | EP0664919A1 Recording medium and appliance for generating sounds and/or images. |
| 08/01/1995 | US5438674 Optical disk system emulating magnetic tape units |
| 08/01/1995 | US5438586 Apparatus with light-emitting element and method for producing it |
| 08/01/1995 | US5438582 Laser power monitor circuit used in a magneto-optical disk device |
| 08/01/1995 | US5438581 Laser driver ASIC chip |
| 08/01/1995 | US5438564 Magneto-optical disk hub in which the inner peripheral edge portion of the spindle opening is strengthened and made abrasion resistant |
| 08/01/1995 | US5438563 Optical information recording/reproducing device which simultaneously reproduces information from plural tracks and optical information recording/reproducing method |
| 08/01/1995 | US5438562 Optical head for recording and/or reproducing information on and/or from opto-magnetic record medium |
| 08/01/1995 | US5438561 Method for recording and reproducing information using an optical memory |
| 08/01/1995 | US5438557 Optical disk storage which provides pull-in of focus servo and pull-in of tracking servo |
| 08/01/1995 | US5438439 Non-destructive readout mechanism for volume holograms using two wavelengths |
| 08/01/1995 | US5438344 Portable video book |
| 08/01/1995 | US5437929 Germanium phthalocyanine films |
| 08/01/1995 | US5437464 Data reading and image processing system for CD-ROM |
| 08/01/1995 | CA2025924C Detecting magnetooptic and intensity-modulated optical signals with the same detector |
| 07/27/1995 | DE4401850A1 Process for writing information into glass |
| 07/27/1995 | DE4401552A1 Screen printing machine for CD manufacture |
| 07/26/1995 | EP0664543A1 Dust-proof structure for optical pickup unit |
| 07/26/1995 | EP0664541A1 Optical disk and optical disk apparatus |
| 07/26/1995 | EP0664539A1 Magnesium-beryllium actuator armset |
| 07/26/1995 | EP0664506A2 System and method for user definition of data storage device physical format |
| 07/26/1995 | EP0664292A1 A phtalide compound and a near infrared absorber and a recording material each comprising the same compound |
| 07/26/1995 | EP0511381B1 Squarylium and croconylium dyes |
| 07/26/1995 | EP0431185B1 Optical recorder |
| 07/26/1995 | CN1105662A A glazing material comprising a high-hard transparent resin |
| 07/25/1995 | US5437012 System for updating directory information and data on write once media such as an optical memory card |
| 07/25/1995 | US5436885 Optical disc and optical system for reproducing the optical disc |
| 07/25/1995 | US5436884 Optical data reading apparatus and an optical data reading method |
| 07/25/1995 | US5436883 Recording medium and information recording and reproducing apparatus therefor |
| 07/25/1995 | US5436880 Laser power control in an optical recording system using partial correction of reflected signal error |
| 07/25/1995 | US5436879 Recording and reproducing methods of write-once read-many type recording medium |
| 07/25/1995 | US5436877 Method for controlling the gain of a tracking servo circuit |
| 07/25/1995 | US5436876 Optical head and optical memory device |
| 07/25/1995 | US5436875 Recording/reproducing apparatus having buffer memory for preventing discontinuity in recording/reproducing operations and method for same |
| 07/25/1995 | US5436871 Optical random access memory having folded image |
| 07/25/1995 | US5436438 Optical information recording and/or reproducing method and apparatus using card-like optical information recording medium |
| 07/25/1995 | US5436194 Stripe laser diode having an improved efficiency for current confinement |
| 07/25/1995 | US5436113 Cyanine dye, phenol photostabilizer, compact disk |
| 07/25/1995 | US5436072 Comprising a seed layer of amorphous zinc tin oxide to improve coercivity and squareness; compact disk |
| 07/25/1995 | CA2021026C Optical information recording medium and recording method |
| 07/25/1995 | CA2015811C Optical information recording medium and recording method |
| 07/22/1995 | CA2140714A1 Magnesium-beryllium disk drive armset |
| 07/22/1995 | CA2138300A1 System and method for user definition of data storage device physical format |
| 07/19/1995 | EP0663662A2 Optical head unit |
| 07/19/1995 | EP0663078A1 Polarizing beam splitter and magneto-optic reading device using the same |
| 07/19/1995 | EP0583416A4 Optical data storage and retrieval system and method. |
| 07/18/1995 | US5434991 Method and apparatus for recording and reproducing information in black on a rewritable recording medium |
| 07/18/1995 | US5434843 Pickup turnover apparatus of a disk player |
| 07/18/1995 | US5434841 Plural-beam optical head |
| 07/18/1995 | US5434840 Non-linear reflectance optical information recording layer irradiated by a light beam controlled with an amplitude filter |
| 07/18/1995 | US5434838 Data recording apparatus and method with verification of optical disc |
| 07/18/1995 | US5434837 Method of testing a worm type optical disk and system therefor |
| 07/18/1995 | US5434836 Optical disk, tracking error signal generating apparatus, and tracking control apparatus |
| 07/18/1995 | US5434835 Optical disk apparatus |
| 07/18/1995 | US5434834 Optical recording and reproducing apparatus for tracking wobbling guide grooves |
| 07/18/1995 | US5434829 Information reproducing apparatus for properly synchronizing the reproducing of recorded information |
| 07/18/1995 | US5434708 Optical reproducing apparatus ultilizing a polarization beam splitter |
| 07/18/1995 | US5434678 Seamless transmission of non-sequential video segments |
| 07/18/1995 | CA2028562C Optical head for optical information recording medium |
| 07/18/1995 | CA1336312C Optical recording materials method for preparing the same and optical cards having the same |
| 07/12/1995 | EP0662685A1 Disc apparatus for reproducing information signals recorded on disc-shaped recording medium and reproducing method |
| 07/12/1995 | EP0662684A1 Optical disk apparatus |
| 07/12/1995 | CN1105144A Leaf spring lock for a carriage in a media player that is actuated by the carriage and position a cartridge |
| 07/11/1995 | US5432881 Optical waveguide with overlapping diffusion regions containing different diffusion materials |
| 07/11/1995 | US5432799 Digitally recording data |
| 07/11/1995 | US5432774 Optical recording medium |
| 07/11/1995 | US5432773 Optically-readable data medium and reading device for such a medium |
| 07/11/1995 | US5432772 Supporting mechanism for optical pickup |
| 07/11/1995 | US5432770 Optical recording medium, method of reproducing recorded data of optical recording medium, and system for reproducing recorded data of optical recording medium |
| 07/11/1995 | US5432768 Method and device for data management in optical recording medium |
| 07/11/1995 | US5432767 Optical disc, an image signal transmitting apparatus utilizing the optical disc and an image signal transmitting method |
| 07/11/1995 | US5432765 Optical recording apparatus for recording auxiliary signals used for focus control |
| 07/11/1995 | US5432764 Off-track detector for detecting off-track, and optical information recording/regenerating apparatus |
| 07/11/1995 | US5432763 Subminiature rotary actuator optical head |
| 07/11/1995 | US5432762 Detection apparatus for detecting sector marks of optical disk and optical disk access apparatus |
| 07/11/1995 | US5432760 Method of measuring phase difference of opto-magnetic record medium and apparatus for carrying out said method |
| 07/11/1995 | US5432048 Rewritable photochromic optical disc |
| 07/11/1995 | US5432047 Patterning process for bipolar optical storage medium |