| 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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| 07/26/1996 | CA2167549A1 Optical disc system |
| 07/24/1996 | EP0723264A2 Multiple data surface magneto-optical data storage system |
| 07/24/1996 | EP0723263A1 Optical pickup apparatus of a magneto-optical disk |
| 07/23/1996 | US5539723 Method, apparatus, and medium for recording information in data sections having number of bytes which increase in circumference of tracks on medium |
| 07/23/1996 | US5539721 Reducing the recording power based on the timing of recorded synchronization signal |
| 07/23/1996 | US5539718 Optical head for controlling light irradiation in a magneto-optical recording and/or reproducing apparatus |
| 07/23/1996 | US5539709 Magnetooptical recording method and apparatus using multi-layered media |
| 07/23/1996 | US5538801 Magnetooptical recording medium |
| 07/23/1996 | US5538774 Internally damped rotatable storage article |
| 07/17/1996 | EP0722167A1 Optical pickup apparatus |
| 07/17/1996 | CN1127049A Method and apparatus for preventing illegal copying and illegal installation of information on optical recording medium |
| 07/17/1996 | CN1126871A Optical pickup device for magneto-optical disc reproducing system |
| 07/16/1996 | US5537578 Transparent driving partition for processing logical volumes to be recorded onto optical media |
| 07/16/1996 | US5537387 Information storage disk with display data recorded in a lead-in region and an apparatus for recording and/reproducing the disc |
| 07/16/1996 | US5537383 Optical data storage system with differential data detection and source noise subtraction for use with magneto-optic, write-once and other optical media |
| 07/16/1996 | US5537381 Test-writing recording control method and test-writing recording control apparatus and optical recording medium |
| 07/16/1996 | US5537379 Optical data storage and retrieval system and method |
| 07/16/1996 | US5537376 Disk cartridge loading mechanism |
| 07/16/1996 | US5537374 Optical recording medium and recording and/or reproducing apparatus using such optical recording medium |
| 07/16/1996 | US5537373 Optical disk recording and reproducing apparatus with data recorded on wobbled grooves and lands |
| 07/16/1996 | US5537372 High density data storage system with topographic contact sensor |
| 07/16/1996 | US5537370 Magnetooptical-disk recording and/or reproducing apparatus for a 5.25 inch large capacity magnetooptical-disk |
| 07/16/1996 | US5536589 Magneto-optical recording medium |
| 07/16/1996 | US5536570 Overwrite capable magneto-optical recording medium having three magneto-optic layers |
| 07/16/1996 | US5536456 Optical disc and method for making |
| 07/09/1996 | US5535181 Permanent magnet device for selectively inverting a magnetic bias field for magneto-optic recording |
| 07/09/1996 | US5535180 Magneto-optical tape recording and reading-out method involving running tape in front of at least a single pole of a magnet to initialize or erase information |
| 07/09/1996 | US5535179 Magneto-optic disc apparatus with signal detector for detecting recorded signals based on split beams |
| 07/09/1996 | US5535125 Navigation system data recordable by user, recording medium thereof, and methods for recording/reproducing to/from the same |
| 07/09/1996 | US5535075 Sliding-type magnetic head for magnetooptical recording |
| 07/09/1996 | US5535055 Optical head device and birefringent diffraction grating polarizer and polarizing hologram element used therein |
| 07/09/1996 | US5534606 Rigid cycloolefin copolymer film |
| 07/09/1996 | US5534360 Amorphous uranium alloy and use thereof |
| 07/09/1996 | US5534322 Recording medium |
| 07/09/1996 | CA2100047C Light-intensity control device for an optical-disk recording-reproduction apparatus |
| 07/04/1996 | DE19546347A1 Magneto-optic storage medium with high-resolution interference |
| 07/03/1996 | EP0720161A2 Magneto-optical recording medium and method of reproducing from same |
| 07/03/1996 | EP0720158A2 Objective lens drive apparatus |
| 07/03/1996 | EP0524315B1 Method for reproducing signal in optically recording medium |
| 07/02/1996 | US5533003 Recording device capable of detecting the change in length and position of the pit edge |
| 07/02/1996 | US5533001 Magneto-optical disk system with specified thickness for protective layer relative to the numerical aperture of the objective lens |
| 07/02/1996 | US5533000 Disk apparatus including a disk driving member adapted to hold two different size disks |
| 07/02/1996 | US5532995 Disc-cartridge front loading apparatus of a mini disc player |
| 07/02/1996 | US5532989 For controlling the position of a lens |
| 07/02/1996 | US5532984 High resolution read-only magneto-optical disk and method and apparatus for reproducing information therefrom |
| 07/02/1996 | US5532952 Selectively alterable optical data memory |
| 06/27/1996 | DE3348424C2 Terbium:iron:cobalt alloy used as magneto:optic recording material |
| 06/27/1996 | DE19547737A1 Disk drive for reproducing information stored on disk |
| 06/27/1996 | DE19546951A1 Replay circuit for optical disk recording and replay equipment |
| 06/26/1996 | EP0718833A1 Optical pickup device |
| 06/26/1996 | EP0718826A1 Read device and system |
| 06/26/1996 | EP0718824A1 Giant magnetoresistive information recording medium, and associated recording and reproducing method and apparatus |
| 06/25/1996 | US5530688 Optical disk recording device using two modulated laser beams for recording information data |
| 06/25/1996 | US5530687 Disk-type recording medium drive and method of self-diagnosing disk-type recording medium drive |
| 06/25/1996 | US5530685 Magneto-optical recording apparatus having paired devices for applying external magnetic fields |
| 06/25/1996 | US5530641 Optical recording medium having grooves and lands and/or plural pit lines, and reproducing apparatus therefor |
| 06/25/1996 | US5529854 Magneto-optic recording systems |
| 06/19/1996 | EP0717411A2 Data decoding apparatus and methods |
| 06/19/1996 | EP0717399A2 Head tracking system in a disk drive |
| 06/19/1996 | EP0717393A1 Method of adjusting position of a member using shape memory materials |
| 06/19/1996 | CN1124867A Optical-pick up device using multi-lens holder |
| 06/18/1996 | US5528576 Optical head including a halfwave plate and a monaxial crystal for splitting a light beam into two orthogonal, polarized light beams |
| 06/18/1996 | US5528575 Optical pickup apparatus for a magneto-optical recording medium |
| 06/18/1996 | US5528570 Apparatus for recording and reproducing data on a magneto-optical disc at a data transfer rate which is the same as that of data reproduced from a compact disc |
| 06/18/1996 | US5528565 Magneto-optic recording system |
| 06/18/1996 | US5528564 Direct overwrite magneto-optic system for strip erasing and recording elongated domains |
| 06/18/1996 | US5527605 Easily magnetizable axis perpendicular to surface of layer; magnetic recording |
| 06/18/1996 | US5527594 Heat resistance, durability; optical recording media |
| 06/18/1996 | US5527589 Electrostatic information recording medium |
| 06/18/1996 | US5527110 Method and apparatus for detecting asperities on magnetic disks using thermal proximity imaging |
| 06/18/1996 | CA2084324C Optical pickup apparatus and a hologram element used for same |
| 06/13/1996 | WO1996018166A2 Optical unit for optically scanning an information surface, and optical scanning arrangement including the optical unit |
| 06/12/1996 | EP0716418A2 Magnetic head driving circuit operable with recording data transferred at high transfer rate and magneto-optical recording apparatus employing the magnetic head driving circuit |
| 06/12/1996 | EP0716415A2 Method of recording data on a rewritable optical disk and apparatus of recording and reproducing the same |
| 06/12/1996 | EP0715714A1 A measuring device for measuring the intensity and/or polarization of electromagnetic radiation, for determining physical properties of a preparation, and for reading information from a storage medium |
| 06/12/1996 | EP0503095B1 Magneto-optical disk drive seek control system |
| 06/11/1996 | US5526328 Recording and reproducing apparatus with varying amounts of data in different tracks |
| 06/11/1996 | US5526144 Optical system with pivoting hologram |
| 06/11/1996 | US5525379 Forming inorganic dielectric film using helicon wave plasma chemical vapor deposition |
| 06/11/1996 | US5525378 Method for producing a magnetooptical recording medium |
| 06/05/1996 | EP0715305A2 Method for recording sector control information on magneto-optical disk |
| 06/05/1996 | EP0715304A2 Method and recording sector control information on magneto-optical disk |
| 06/05/1996 | EP0715303A2 Optical recording medium, disc system and apparatus |
| 06/05/1996 | EP0471851B1 Electrostatic information recording medium |
| 06/05/1996 | EP0331737B1 Photomagnetic recording medium |
| 06/05/1996 | DE19544785A1 Audio signal recording device |
| 06/04/1996 | US5523994 Magneto-optical recording/reproducing apparatus with optical pickup device having a multi-layer dielectric film beam splitter |
| 06/04/1996 | US5523990 Apparatus for using window signal generators to enable detection of heater information such as an address mark, sector mark, or address information recorded on each sector of a disc recording medium only where such information could be present |
| 06/04/1996 | US5523987 Disc driving apparatus capable of reproducing the track address by forming phase error data using wobble pits peak sum signal |
| 06/04/1996 | US5523986 Magnetic head for magnetooptical recording and method for producing the same |
| 05/31/1996 | EP0685837A4 Method of writing data onto and reading data from a magnetic carrier and a head unit for carrying this out. |
| 05/30/1996 | WO1996016401A1 Marking generating apparatus, method of forming laser marking on optical disk, reproducing apparatus, optical disk and optical disk producing method |
| 05/30/1996 | WO1996009623A3 Record carrier, recording device and reading device |
| 05/29/1996 | EP0714094A1 Magnetic head device and magneto-optical recording device |
| 05/29/1996 | EP0714093A2 Method for recording and reproducing information, apparatus therefor and recording medium |
| 05/29/1996 | EP0714092A1 Information recording and reproducing apparatus |
| 05/29/1996 | EP0713598A1 Magneto-optical recording medium |
| 05/28/1996 | US5521900 Disk having a lead-in region containing display data and an apparatus for recording and/or reproducing the disc |
| 05/28/1996 | US5521897 Double beam optical head |
| 05/28/1996 | US5521894 Optical disc dubbing apparatus having user erase capability |