| 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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| 05/30/1995 | US5420837 Recording condition determination method and apparatus upon execution of over-write operation on magnetooptical disk by heat shut off method and pulse train method, and magnetooptical recording method and apparatus |
| 05/30/1995 | US5420836 Method of magneto-optical recording and overwriting |
| 05/30/1995 | US5420835 Magneto-optic disk apparatus |
| 05/30/1995 | US5420834 Optical disk recorders using disks coatings close to outer surfaces with optical path extending through a thick transparent substrate |
| 05/30/1995 | US5420833 Magneto-optical recording medium having first and second magnetic layers |
| 05/30/1995 | US5420832 Half height magnetooptical-disk recording and/or reproducing apparatus for a 5.25 inch large capacity magnetooptical-disk |
| 05/30/1995 | US5420728 Magneto-optical recording medium including a plurality of recording layers having different curie temperatures and method of recording and reading |
| 05/26/1995 | WO1995014299A1 Optical pickup apparatus |
| 05/24/1995 | EP0654786A2 Magneto-optical recording medium and a method of reading-out the same |
| 05/24/1995 | EP0654784A1 Optical head for generating a plurality of light beams and an opto-magnetic recording/reproducing/erasing apparatus using same |
| 05/23/1995 | US5418773 Zoned record carrier |
| 05/23/1995 | US5418770 Method of and apparatus for correcting edge interval of pit in optical recording/read-out apparatus |
| 05/23/1995 | US5418769 Optical head |
| 05/23/1995 | US5418764 Recording device, a record carrier having preformatted address codes and auxiliary codes providing control data for use by the recording device, and an information recording system including both the recording device and the record carrier |
| 05/23/1995 | US5418076 Magnetic-optical recording medium |
| 05/23/1995 | CA2048583C Magnetic recording and reproducing apparatus |
| 05/23/1995 | CA2020059C Modular ceramic igniter |
| 05/23/1995 | CA2017500C Recording and reproducing device |
| 05/18/1995 | DE4440006A1 Magneto=optical recording disc |
| 05/17/1995 | EP0653758A2 Disc recording apparatus and file management method |
| 05/17/1995 | EP0653757A2 Reproducing system for an optical recording medium |
| 05/17/1995 | EP0653749A2 Optical information recording/reproducing apparatus and method with function of adjusting reproducing power |
| 05/17/1995 | EP0653092A1 Magneto-optical recording materials system. |
| 05/16/1995 | US5416765 Optical head for use in an optical disk apparatus |
| 05/16/1995 | US5416764 Noise component reduction in the data signal and optical scanning device |
| 05/16/1995 | US5416755 Optical pickup using split beams impinging on different photo-detector areas |
| 05/16/1995 | US5416754 Magneto-optical record medium having record/non-record areas and a magneto-optical record/reproduce apparatus using the same |
| 05/16/1995 | US5416753 Magneto-optical disk drive system with head position adjustability |
| 05/16/1995 | US5416331 For fabricaing the surface of a specimen at an atomic scale |
| 05/16/1995 | CA2047163C Optical disk |
| 05/11/1995 | WO1995012882A1 Method and apparatus for retrieving digital data from a magnetic storage medium |
| 05/11/1995 | DE4439322A1 Magnetooptical recording device |
| 05/10/1995 | EP0652561A2 Disc storage medium, and apparatus for recording and reproducing data to and from a disc storage medium |
| 05/10/1995 | EP0652559A2 Data readout system for optical disk |
| 05/10/1995 | EP0652558A2 Disc cartridge misinsertion preventing mechanism |
| 05/10/1995 | EP0652556A2 Magnetooptical recording medium allowing super-resolution, and information reproduction method using the medium |
| 05/10/1995 | CN1102495A Optical system for the reproduction and/or recording of information |
| 05/09/1995 | US5414692 Optical information recording medium |
| 05/09/1995 | US5414687 Disc recording/reproducing apparatus |
| 05/09/1995 | US5414678 Magneto-optic recording medium having two recording layers, and drive for same |
| 05/09/1995 | US5414652 Magneto-optical memory element |
| 05/09/1995 | CA2013538C Optical element and optical pickup device comprising it |
| 05/04/1995 | WO1995012195A1 Magnetic head and magnetic head device |
| 05/04/1995 | DE4438606A1 Magnetic head mount |
| 05/03/1995 | EP0651390A2 Optical data storage cartridge system |
| 05/03/1995 | EP0651383A1 Recording apparatus |
| 05/03/1995 | EP0650629A1 Reading and writing stored information by means of electrochemistry |
| 05/03/1995 | EP0650593A1 System for detecting atomic or molecular spectra of a substance, and/or threshold phenomena associated with the same |
| 05/03/1995 | EP0465676B1 Magneto-optical recording/reproducing apparatus |
| 05/02/1995 | US5412632 Information reproducing apparatus with a DC level correcting capability |
| 05/02/1995 | US5412628 Apparatus for intermittently recording and reproducing a signal on a disc type recording medium |
| 05/02/1995 | US5412627 A magneto-optical recording system including a recording medium having a reversal preventive layer for preventing a magnetization reversal of a bias layer which is magnetostatically coupled to a recording layer |
| 05/02/1995 | US5412626 Method of recording optical information with selective correction in pulse waveform and a recording system therefor |
| 04/26/1995 | EP0650143A1 Hybrid information recording medium |
| 04/25/1995 | US5410532 Method for a adjusting a beam splitter in an optical recording and reproducing apparatus |
| 04/25/1995 | US5410530 Multiple data surface optical data storage system |
| 04/25/1995 | US5410527 Information recording/reproducing apparatus including setting optimum recording condition or reproducing condition |
| 04/25/1995 | US5410526 Disc reproducing apparatus and disc recording apparatus |
| 04/25/1995 | US5410521 Method and apparatus for recording information on a medium having biaxial magnetic anisotropy using parallel and perpendicular magnetic fields |
| 04/25/1995 | US5410504 Memory based on arrays of capacitors |
| 04/25/1995 | US5409641 Optical disk manufacturing method |
| 04/20/1995 | DE4436555A1 Fokussier- und Spurfehlererkennungssystem für magneto-optische Plattenspeicher Focusing and tracking error detection system for magneto-optical disk |
| 04/19/1995 | EP0649135A1 Optical memory medium and write and read apparatuses using the same |
| 04/19/1995 | EP0649134A1 Magnetooptical disc apparatus having single micro-processor |
| 04/19/1995 | EP0638196A4 Improved optical disk structures for electron trapping optical memory media. |
| 04/18/1995 | US5408455 Control device for head unit having optical head and multiple magnetic heads |
| 04/18/1995 | US5408452 Optical information recording/reproducing system including novel tracking system |
| 04/18/1995 | US5407755 Multilayer magnetooptic recording media |
| 04/18/1995 | US5407720 Optical recording medium and process for producing the same |
| 04/13/1995 | WO1995010111A1 Optical disk recording device |
| 04/12/1995 | EP0648049A1 Information recording and reproducing method and apparatus |
| 04/12/1995 | EP0647941A1 Apparatus for recording on recording medium and method for controlling the recording |
| 04/12/1995 | EP0647938A2 Track access control system in rotating disc devices with eccentricity correction |
| 04/12/1995 | CN1101448A Optical head device and optical information apparatus |
| 04/11/1995 | US5406546 Magneto-optical disk |
| 04/11/1995 | US5406545 Servo pattern in an optical data storage medium for obtaining a tracking error signal |
| 04/11/1995 | US5406542 System for reducing crosstalk in an optical scanning device |
| 04/11/1995 | US5406535 Head seeking control apparatus with changeable speed references |
| 04/11/1995 | US5406532 Signal detecting optical system |
| 04/11/1995 | CA2001038C Wedge prism assembly for optical information storage |
| 04/06/1995 | WO1995009422A1 Data carrier |
| 04/06/1995 | WO1995009418A1 Optical head |
| 04/06/1995 | DE4434071A1 Amorphous rare earth metal oxides |
| 04/05/1995 | EP0646917A1 Data recording medium |
| 04/05/1995 | EP0646910A1 Optical storage device |
| 04/05/1995 | EP0606389B1 Optical head for magneto-optical system |
| 04/05/1995 | EP0428677B1 Magnetic field modulation control circuit for recording a magneto-optic memory |
| 04/05/1995 | CN1101155A Optical disc system |
| 04/05/1995 | CN1028132C Dissipator for cooling elements |
| 04/04/1995 | US5404490 Photomagnetic signal detecting device |
| 04/04/1995 | US5404348 Method for recording and reproducing information using at least two energy beams |
| 04/04/1995 | US5404344 Recording/reproducing optical head producing focusing error signal from zero-th order diffracted light and tracking error signal from first order diffracted light |
| 04/04/1995 | US5404342 Magnetic head device for magneto-optical disc system and magnetic head driving circuit |
| 04/04/1995 | CA2016815C Process for manufacturing a magneto-optic disc |
| 04/04/1995 | CA2014158C Magneto-optic memory medium |
| 03/29/1995 | EP0645766A1 Recording and/or reproducing apparatus for magneto-optical recording medium |
| 03/29/1995 | EP0645043A1 Apparatus for and method of verifying etching of optical servo information on magnetic media |
| 03/28/1995 | US5402411 Constant amplitude of tracking error signals generated from a head guide track and a performed track |
| 03/28/1995 | US5402408 Magneto-optical recording method of overwriting without requiring an initialization magnet |
| 03/28/1995 | US5402397 Electromagnetic shield device for magneto-optical recording apparatus |