| 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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| 03/19/1996 | US5500839 Multiple coil magnetic head for magnetic optical recording device |
| 03/19/1996 | US5500838 Photomagnetic disc record/reproduction apparatus including improved magnetic head lifting mechanism |
| 03/19/1996 | US5500301 Optical recording media |
| 03/14/1996 | WO1996008008A1 Magnetooptic thin film, magnetooptic recording medium and production method thereof |
| 03/14/1996 | WO1996007950A1 Optical power splitter with electrically-controlled switching structures |
| 03/13/1996 | EP0701252A1 Information recording/reproducing apparatus |
| 03/13/1996 | EP0701251A1 Optical recording medium and method of recording and/or reproducing on the medium |
| 03/13/1996 | EP0700565A1 Method and recording device for recording signals on a record carrier |
| 03/13/1996 | CN1118501A Apparatus for recording on recording medium and method for controlling the recording |
| 03/12/1996 | US5499230 Optical disk apparatus |
| 03/12/1996 | US5499229 Track scanning for reproducing address information by crosstalk |
| 03/12/1996 | US5499227 Information recording and reproducing apparatus |
| 03/12/1996 | US5498485 Magneto-optical recording medium and manufacturing method thereof |
| 03/07/1996 | WO1996007179A1 Optical disk and recording and/or reproducing apparatus |
| 03/06/1996 | EP0700041A1 Cartridge-loading apparatus and method |
| 03/06/1996 | EP0700039A1 Optical recording/reproducing device |
| 03/06/1996 | EP0700038A1 Optical read/write system for recording medium and application to a recording disc |
| 03/06/1996 | CN1118101A Portable recording/reproducing device, IC memory card recording format, and recording/reproducing method |
| 03/05/1996 | US5497390 Polarization mode switching semiconductor laser apparatus |
| 03/05/1996 | US5497367 Optical recording medium |
| 03/05/1996 | US5497366 Optical-pick up device using multi-lens holder |
| 03/05/1996 | US5497361 Information reproducing apparatus with a DC level correcting capability |
| 03/05/1996 | US5497359 Optical disk data storage system with radiation-transparent air-bearing slider |
| 03/05/1996 | US5496608 Optical recording medium |
| 03/05/1996 | CA2073321C Optical head device |
| 03/05/1996 | CA2069056C Magneto-optical storage device and manufacturing method thereof |
| 03/05/1996 | CA2050133C Magnetic disk device |
| 03/05/1996 | CA2036958C Calibrating lasers for optical recording using a maximal readback signal amplitude as a criterion |
| 03/05/1996 | CA2025311C Optical head |
| 02/29/1996 | WO1996006433A1 Optical disk and optical disk drive device |
| 02/29/1996 | WO1996006432A1 Optical disk |
| 02/28/1996 | EP0698881A1 Magnetooptical recording medium and method for reproducing information from the medium |
| 02/27/1996 | US5495461 Optical pickup head apparatus |
| 02/27/1996 | US5495458 Optical disk apparatus for detecting error readings of a track address in MCAV format |
| 02/27/1996 | US5495456 Magneto-optical recording and reproducing apparatus having a laser driving circuit which superimposes a signal having a frequency at least double the maximum recording signal frequency |
| 02/27/1996 | US5495455 Magneto-optical disk recording and reading apparatus and method wherein the recording head is controlled in the radial direction of the disk to a desired position |
| 02/26/1996 | CA2156793A1 Cartridge-loading apparatus and method |
| 02/21/1996 | EP0697699A2 Recording medium capable of recording a first data-type and a second data-type, playback method and playback device for playing back from the recording medium, and recording device for recording first-type data and second-type data on the recording medium |
| 02/21/1996 | CN1117182A Optical pickup |
| 02/20/1996 | US5493558 Disc-shaped recording medium with magnetic data and read out region |
| 02/20/1996 | US5493555 Optical head using birefringent diffraction grating |
| 02/20/1996 | US5493554 2-laser optical head and recording/reproducing apparatus |
| 02/20/1996 | US5493553 Method and apparatus for preventing cross-talk during reproduction of data recorded on a high density recording medium |
| 02/20/1996 | US5493547 Recording eight digital audio channels on a single magneto optical disk |
| 02/20/1996 | US5493545 Magnetooptical recording medium with overwrite capabilities and method for using the same |
| 02/20/1996 | US5492783 Photoconductive and charge retaining layers laminated between electrodes |
| 02/20/1996 | US5492773 Magneto-optical recording medium |
| 02/20/1996 | CA2067564C Information recording and reproducing apparatus |
| 02/20/1996 | CA2024982C Information reproducing device |
| 02/15/1996 | WO1996004651A1 Internally-damped rotatable information-storage article |
| 02/15/1996 | WO1996004649A1 Optical pickup apparatus |
| 02/15/1996 | CA2194274A1 Internally-damped rotatable information-storage article |
| 02/14/1996 | EP0696797A2 Disc drive unit |
| 02/14/1996 | EP0696795A1 Optical disk memory |
| 02/14/1996 | CN1116882A Magnetic head and magnetic head device |
| 02/13/1996 | US5491683 Optical information recording/reproducing method |
| 02/13/1996 | US5491678 Method and apparatus for recording/reproducing information data in a two-dimensional format |
| 02/13/1996 | US5491592 Method of and apparatus for reproducing a recording medium |
| 02/13/1996 | CA2036890C Magneto-optic recording disk and method of reproducing recorded signals |
| 02/13/1996 | CA2007618C Reproducing apparatus |
| 02/06/1996 | US5490133 Optical information processing apparatus and method of controlling position of optical spot and reproducing signals |
| 02/06/1996 | US5490131 Optical disk |
| 02/06/1996 | US5490129 Optical head and optical information reading apparatus |
| 02/06/1996 | US5490124 Write and erase assembly for magneto-optic drive apparatus |
| 02/06/1996 | CA2027153C Optical recording/reproducing device with automatic gain control (agc) dependent control functions |
| 01/31/1996 | EP0694918A2 Recording and/or reproducing apparatus for disc-shaped recording medium and memory control device therefor |
| 01/31/1996 | EP0694915A1 Multi-layered recording disk and recording/reproducing system using the same |
| 01/31/1996 | EP0694912A1 Magnetic circuits for recording/reproducing magnetic head arrangement |
| 01/31/1996 | EP0635157A4 Improved surface-enhanced raman optical data storage system. |
| 01/31/1996 | CN1115903A Magnetic head apparatus and method of manufacturing the same |
| 01/30/1996 | US5488604 Magneto-optical disk having zero kerr rotation angle at room temperature |
| 01/30/1996 | US5488598 Optical pickup using split beams impinging on different photodetector areas |
| 01/30/1996 | US5488592 Optical pickup device for magneto-optical disc reproducing system |
| 01/30/1996 | US5488591 Improved magneto-optical recording apparatus for digital signal information |
| 01/30/1996 | US5488590 Magneto-optical overwrite recording and reproducing system |
| 01/30/1996 | US5488519 Recording and reproducing device having conductive spindle |
| 01/30/1996 | US5487926 Optical disk |
| 01/25/1996 | DE19520627A1 Magneto=optical recording medium |
| 01/24/1996 | CN1115434A Optical tape duplicator |
| 01/24/1996 | CN1115388A Optical device |
| 01/23/1996 | US5487060 Multiple data surface data storage system and method |
| 01/23/1996 | US5487059 Heat shut off condition determination method and apparatus for optical recording, and optical recording method and apparatus |
| 01/23/1996 | US5487056 Optical recording medium and recording and/or reproducing apparatus using such optical recording medium |
| 01/23/1996 | US5487047 Magnetooptical recording apparatus for recording information in a lead-in region of a recording medium |
| 01/23/1996 | US5487046 Magneto-optical recording medium having two magnetic layers with the same curie temperature |
| 01/23/1996 | US5486395 Magneto-optical disk |
| 01/23/1996 | CA2014751C Magnetooptical recording media |
| 01/18/1996 | WO1995034885A3 Magneto-optical recording medium |
| 01/17/1996 | EP0692787A2 Method and apparatus for retrieving data from a storage device |
| 01/17/1996 | EP0692786A1 Optical pickup system |
| 01/17/1996 | EP0692783A2 Optical tape duplicator |
| 01/17/1996 | CN1115083A Optical data storage cartridge system |
| 01/17/1996 | CN1115039A Seperator of polarized light beam and light detector using same |
| 01/16/1996 | US5485448 Optical disk mastering apparatus having two data transferring rates for recording and monitoring |
| 01/16/1996 | US5485438 Method and apparatus for optically recording and/or reproducing information |
| 01/16/1996 | US5485435 Magnetic field generator in which an end face of a magnetic material member projects from man end face of magnetic field generating cores |
| 01/16/1996 | US5485434 Magneto-optical disk apparatus for recording and/or reproducing information using modulated and constant magnetic field applying devices |
| 01/16/1996 | US5485433 Information recording method and apparatus for determining whether recording has been correctly performed |
| 01/11/1996 | DE19524865A1 Mfg. magneto=optic master disc |
| 01/11/1996 | DE19520640A1 Magneto=optical disc preventing address information transferring between neighbouring tracks |