Patents for G11B 11 - Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group; Record carriers therefor (14,351) |
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08/15/1995 | US5442618 Common mode rejection control in an optical disk drive |
08/15/1995 | US5442608 Disk apparatus having a power consumption reducing mechanism |
08/15/1995 | US5442597 Apparatus for writing and reading a magneto-optical record carrier |
08/15/1995 | US5442596 Recording/reproducing apparatus having a magnetic head which is opened and closed together with a door |
08/15/1995 | US5441804 Magneto-optical recording medium and method for production thereof |
08/10/1995 | DE19503165A1 Optical record-playback system with scanning read-write heads |
08/10/1995 | DE19502474A1 Laminate magneto=optical recording medium |
08/09/1995 | EP0666566A1 Recording and/or reproduction apparatus |
08/09/1995 | EP0666565A2 Card drive apparatus and card |
08/08/1995 | US5440533 Optical head unit having disk-shaped rotor with generally planar and common mounting surface for optical elements |
08/08/1995 | US5440531 Magneto-optical reproducing method |
08/08/1995 | US5440530 Integrated magneto-optical having a magnetic head set back from an optical head |
08/08/1995 | US5440529 Audio and general digital data recording and/or reproducing apparatus having two interface circuits |
08/08/1995 | US5439777 Recording and reproducing apparatus and method for applying a pulse voltage and an electromagnetic wave |
08/08/1995 | US5439768 Electrostatic information recording medium and electrostatic information recording and reproducing method |
08/08/1995 | US5439752 Gold and aluminum multilayers; corrosion and oxidation resistance |
08/08/1995 | US5439500 Magneto-optical alloy sputter targets |
08/03/1995 | WO1995020814A1 Ultra thin film magnetic recording medium and related method and apparatus for recording and reproducing using spin-polarized electrons |
08/02/1995 | EP0665541A2 Information recording and reproducing device |
08/01/1995 | US5438562 Optical head for recording and/or reproducing information on and/or from opto-magnetic record medium |
08/01/1995 | CA2025924C Detecting magnetooptic and intensity-modulated optical signals with the same detector |
07/26/1995 | EP0664604A2 Transimpedance amplifier |
07/26/1995 | EP0613579A4 Small size constant torque voice coil motor. |
07/25/1995 | US5436884 Optical data reading apparatus and an optical data reading method |
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 | US5436770 Disc recording and/or reproducing apparatus having an enlarged locking range for correctly phased internal channel clocks |
07/25/1995 | US5436448 Surface observing apparatus and method |
07/25/1995 | US5436072 Comprising a seed layer of amorphous zinc tin oxide to improve coercivity and squareness; compact disk |
07/19/1995 | EP0583416A4 Optical data storage and retrieval system and method. |
07/18/1995 | US5434844 Magneto-optical recording media and magneto-optical recording device using the same |
07/18/1995 | US5434842 Reading and writing stored information by means of electrochemistry |
07/18/1995 | US5434841 Plural-beam optical head |
07/18/1995 | US5434831 Magneto-optical recording apparatus capable of both magnetic modulation and light modulation recording |
07/18/1995 | US5434708 Optical reproducing apparatus ultilizing a polarization beam splitter |
07/12/1995 | EP0662684A1 Optical disk apparatus |
07/11/1995 | US5432774 Optical recording medium |
07/11/1995 | US5432768 Method and device for data management in optical recording medium |
07/11/1995 | US5432763 Subminiature rotary actuator optical head |
07/11/1995 | US5432761 Method and apparatus for magneto-optical recording of a plurality of discrete levels |
07/11/1995 | US5432760 Method of measuring phase difference of opto-magnetic record medium and apparatus for carrying out said method |
07/06/1995 | WO1995018443A1 Optical recording medium, reproduction apparatus of optical disk, reproduction method of optical disk, production method of original disk of optical disk, and illegal program operation stop method |
07/06/1995 | DE4446331A1 Magneto=optical disc recording and playback system |
07/05/1995 | EP0661700A1 Use of a quasi-amorphous or amorphous zirconia dielectric layer for optical or magneto-optic data storage media |
07/04/1995 | US5430706 Magneto-optical disk having lands and grooves for recording information |
07/04/1995 | US5430705 Method and apparatus for recording and reproducing main and sub information |
07/04/1995 | US5430696 Magneto-optical recording medium |
07/04/1995 | US5430695 Magneto-optical disk having a magnetic film with two layers and a playback method thereof |
07/04/1995 | CA2007505C Method for recording and reproducing information and device for the same |
06/29/1995 | WO1995017750A1 Method of masking data on a storage medium |
06/29/1995 | WO1995017747A1 Optical method and system for reading/writing data on a recording medium |
06/29/1995 | CA2175556A1 Method of masking data on a storage medium |
06/28/1995 | EP0660317A2 Magneto-optical recording-reproducing system |
06/28/1995 | EP0660316A2 Magneto-optical recording medium and method for the preparation thereof |
06/28/1995 | EP0599901B1 Optical scanning device |
06/27/1995 | US5428596 Optical pickup apparatus |
06/27/1995 | US5428594 Magneto-optic recording method and apparatus utilizing a two-state modulated light beam |
06/27/1995 | US5428591 Track compensation apparatus of magnetooptical disk apparatus |
06/27/1995 | US5428586 Magneto-optical recording method using a magneto-optical recording medium having two or more magnetic layers to allow recording and reproduction to be effected simultaneously and magneto-optical recording medium used in the method |
06/27/1995 | US5428585 Magneto-optical recording medium comprising first, second and third magnetic layers and method of recording on same |
06/27/1995 | US5428584 Pickup device for a magneto-optical information recording system |
06/27/1995 | US5428583 Magneto-optical disc recording/reproducing apparatus |
06/27/1995 | US5427833 Magneto-optical recording medium and method for processing the surface |
06/22/1995 | WO1995008181A3 A system for analyzing surfaces of samples |
06/22/1995 | DE4445430A1 Magneto-optical disc cassette |
06/21/1995 | EP0658892A1 Composite material for magnetooptical recording, its production and its use |
06/21/1995 | EP0658891A2 Magneto-optical recording medium and method of reproducing magneto-optical information using thereof |
06/21/1995 | EP0658890A2 Magnetooptical recording medium with overwrite capabilities and method for using the same |
06/21/1995 | EP0658889A1 Information recording and reproducing apparatus having processor and information recording and reproducing method |
06/21/1995 | EP0658886A1 Optical recording medium and recording/reproducing method therefor |
06/21/1995 | EP0658884A1 Optical recording/reproduction apparatus |
06/21/1995 | EP0658883A1 Optical scanning device, and recording and/or read apparatus comprising such a scanning device |
06/21/1995 | EP0658882A1 Disk device |
06/20/1995 | US5426629 Recording and/or reproducing method for an optical disc |
06/20/1995 | US5426626 Photodetecting system for a magneto-optical disk head system |
06/20/1995 | US5426624 Optical disk apparatus for linking fragmented regions in a user table of contents |
06/20/1995 | US5426539 Multiple gap read/write head for data storage devices |
06/14/1995 | EP0657883A2 Information reproducing apparatus and method |
06/14/1995 | EP0657880A2 Magneto-optical recording medium and manufacturing method thereof |
06/14/1995 | EP0657879A2 Magnetooptic disk player |
06/14/1995 | EP0657878A2 Magneto-optical recording and reading-out method |
06/14/1995 | EP0448671B1 Method and device for writing and reading information from a support based on ferroelectric material |
06/13/1995 | US5425009 Magneto-optical recording apparatus for a high-speed magnetic field inversion |
06/13/1995 | US5425008 Magneto-optical memory device whereon overwriting operation can be carried out through light intensity modulation and method for recording and erasing using it |
06/13/1995 | US5424974 Optoelectric memories with photoconductive thin films |
06/09/1995 | CA2137062A1 Magneto-optical recording and reading-out method |
06/08/1995 | WO1995015557A1 Rom-ram-disk |
06/08/1995 | WO1995015555A1 Disk medium having a designed topography |
06/08/1995 | WO1995015553A1 Method of writing data onto and reading data from a magnetic carrier and a head unit for carrying this out |
06/08/1995 | WO1995015407A1 Magneto-optical alloy sputter targets |
06/08/1995 | CA2155003A1 Method of writing data onto and reading data from a magnetic carrier and a head unit for carrying this out |
06/07/1995 | EP0656626A2 Information recording-reproduction method |
06/07/1995 | EP0656625A1 Optical disk and method for reproducing information recorded on the same |
06/07/1995 | EP0645043A4 Apparatus for and method of verifying etching of optical servo information on magnetic media. |
06/06/1995 | US5422874 Optical recording disk, and recording/reading apparatus using same |
06/06/1995 | US5422866 Magneto-optical head with birefringent polarizer |
06/06/1995 | US5422865 Light modulation method for magneto-optical recording device |
05/31/1995 | EP0655740A1 Recording medium management method |
05/31/1995 | CN1103168A Light modulator and optical head adjustment method |
05/30/1995 | US5420838 Disk recording and reproducing device |