| 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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| 12/31/1996 | US5590100 Information recording/reproducing technique to record plural-channel information for subsequent simultaneous reproduction |
| 12/31/1996 | US5590099 Magneto-optical recording method and method for making information-carrying magneto-optical recording medium |
| 12/31/1996 | US5590098 Magnetooptical recording and reproducing apparatus having an automatic head lifting device |
| 12/31/1996 | US5590097 Magnetooptic recording medium |
| 12/31/1996 | US5590096 Rewritable storage apparatus using first and second bias magnetic fields |
| 12/31/1996 | US5590095 Magneto-optical disk apparatus with floating type magnetic head and a device for limiting an amount of deflection of a resilient member supporting the magnetic head |
| 12/31/1996 | US5589282 Magneto-optical recording medium |
| 12/31/1996 | US5589261 Alternatively laminating layers composed of oxides having a spinel crystal structure, one containing iron as main ingredient and the other having cobalt as prime constituent |
| 12/31/1996 | US5589244 Magneto-optical disc |
| 12/31/1996 | US5589040 Process for producing optical recording medium sputtering method and sputtering target |
| 12/31/1996 | CA2048365C Information processing device and information processing method |
| 12/27/1996 | EP0750297A2 Optical pickup and opto-magnetic signal reproducing apparatus |
| 12/27/1996 | EP0750295A2 Magnetooptical recording medium |
| 12/27/1996 | EP0736212A4 Method of masking data on a storage medium |
| 12/27/1996 | EP0680656A4 Optical data storage and retrieval system and method. |
| 12/25/1996 | CN1138915A Marking generating appts., method of forming laser marking on optical disk, reproducing appts., optical disk and optical disk producing method |
| 12/25/1996 | CN1138734A Optical disc system |
| 12/24/1996 | US5587990 Optical disc system and optical disc therefor |
| 12/24/1996 | US5587986 On-track detecting circuit for use in tracking servo apparatus |
| 12/24/1996 | US5587976 Optical pickup for optical magnetic disc |
| 12/24/1996 | US5587975 Magneto-optical disk reproducing apparatus with gain and offset controlled by a reference pattern read from the disk |
| 12/24/1996 | US5587974 Magneto-optical recording medium having two magnetic layers with perpendicular magnetic anisotropy, and information recording method having the same |
| 12/24/1996 | US5587973 Magneto-optical disk drive system with magnetic head retracting mechanism and manual cartridge ejecting mechanism |
| 12/24/1996 | US5587901 Optical recording medium having a pre-formed recording track which is offset along its width to record frame sync signals of information |
| 12/24/1996 | US5587851 Magnetic head driving device with prerecording energization |
| 12/24/1996 | US5587264 Comprising an electrode layer and an electric charge retaining layer; improving layer arrangement; improving lamination method |
| 12/24/1996 | US5587216 Optical recording medium |
| 12/19/1996 | WO1996040499A1 Optical storage medium |
| 12/19/1996 | CA2224072A1 Optical storage medium |
| 12/18/1996 | EP0749115A2 A method and a system for adjusting an electrically converted input-output signal involving an optical storage medium |
| 12/18/1996 | EP0749114A2 A method and a system for adjusting optical recording device involving an optical recording medium of non-uniform heat characteristics |
| 12/18/1996 | CN1138192A Method and apparatus for controlling bias levels |
| 12/18/1996 | CN1138191A Seek actuator for optical recording |
| 12/18/1996 | CN1138189A Reproducing apparatus having buffer memory and capable of rapidly restarting reproduction and method of controlling the apparatus |
| 12/17/1996 | US5586206 Optical power splitter with electrically-controlled switching structures |
| 12/17/1996 | US5586110 Optical/magneto-optical recording medium having a hygroscopic swelling layer |
| 12/17/1996 | US5586109 Optical memory having narrowed track pitch |
| 12/17/1996 | US5586108 Information recording medium and information record regenerating device therefor |
| 12/17/1996 | US5586107 Multiple data surface optical data storage system |
| 12/17/1996 | US5586101 For use in an optical system |
| 12/17/1996 | US5586099 Optimized laser read power based upon scan speed of optical medium and erasure characteristics of the medium |
| 12/17/1996 | US5586098 Optical disc apparatus for controlling laser power for each zone of a zone record system |
| 12/17/1996 | US5586097 Optical head for generating a plurality of light beams and an opto-magnetic recording/reproducing/erasing apparatus using same |
| 12/17/1996 | US5586092 Magnetooptic disk player |
| 12/17/1996 | US5586091 Magnetooptical recording apparatus including a control circuit for driving a switch element between on and off states in accordance with an error detection |
| 12/17/1996 | US5585201 Free from orange peel texture and haze |
| 12/17/1996 | US5585200 Over write capable magnetooptical recording medium |
| 12/17/1996 | US5585197 Magneto-optical recording medium having a rave earth-transition metal alloy layer, a rave earth layer, a rare earth oxide layer, and a SiN layer |
| 12/17/1996 | US5585159 Recording medium capable of suppressing resonance from recording and reproducing devices |
| 12/12/1996 | DE19621383A1 Magneto optical recording material and process |
| 12/11/1996 | EP0747896A1 Magneto-optical recording and/or reproducing apparatus |
| 12/11/1996 | EP0747893A2 Optical head apparatus for different types of disks |
| 12/11/1996 | EP0464216B1 Method of recording and reproducing data |
| 12/11/1996 | CN1137834A Record carrier, recording device and reading device |
| 12/10/1996 | USRE35396 Cartridge shutter actuating device in .Iadd.a Magneto optical .Iaddend.recording and/or reproducing apparatus |
| 12/10/1996 | US5583847 Optical disk having predetermined cross-track signal, cross-track minimum signal, and push-pull signal |
| 12/10/1996 | US5583838 Recording apparatus having data recording rate phase-synchronized to recording time data recorded on a recording medium |
| 12/10/1996 | US5583834 Mini disc player |
| 12/10/1996 | US5582896 Recording and reproducing medium and a recording and reproducing apparatus |
| 12/04/1996 | EP0745981A2 Optical information recording/reproducing apparatus and method |
| 12/04/1996 | EP0745980A1 Optical pickup device |
| 12/04/1996 | EP0499278B1 Method for recording sector control information on magneto-optical disk |
| 12/03/1996 | US5581535 Prepulse conditon/heat shut off condition determination method and apparatus for optical recording, and optical recording method and apparatus |
| 12/03/1996 | US5581532 Optical information recording/reproducing apparatus for accurately detecting magnetic domain edges |
| 12/03/1996 | US5581525 Dual mode recording and reproducing apparatus having two recording regions using differing reproduction principles |
| 12/03/1996 | US5581524 Magnetooptical information recording and/or reproducing method and apparatus in which prior to actual recording and/or reproducing, information is recorded on a recording medium to set reference conditions for actual recording and/or reproducing |
| 12/03/1996 | US5581499 Micro information storage system |
| 12/03/1996 | US5581422 Actuator with moveable coil and recording apparatus |
| 12/03/1996 | US5581403 Beam shaping and beam splitting device and optical head comprising the same |
| 12/03/1996 | US5581193 Multiple source and detection frequencies in detecting threshold phenomena associated with and/or atomic or molecular spectra |
| 12/03/1996 | US5580633 Magnetic modulation system; blend of polymer and carbon fibers |
| 12/03/1996 | CA2090366C Magneto-optical recording medium |
| 12/03/1996 | CA2073320C Magneto-optical recording medium |
| 11/27/1996 | EP0744738A1 Optical disk device |
| 11/27/1996 | EP0744071A1 Scanning head including a magneto-optical element and scanning device including the scanning head |
| 11/27/1996 | CN1136851A Rom-Ram-disk |
| 11/26/1996 | US5579297 Optical data storage cartridge having a dual shutter configuration and shutter hinge device |
| 11/26/1996 | US5579294 Magneto-optical medium and recording and/or reproducing apparatus thereof |
| 11/26/1996 | US5579293 Magnetic head driving circuit for controlling switching operations in a magnetooptical recording apparatus |
| 11/26/1996 | US5579292 Magneto-optical data recording apparatus using a sample-servo system for applying heating pulses to record data |
| 11/26/1996 | US5579291 Compact-size magneto-optical head apparatus |
| 11/26/1996 | US5578355 Magneto-optical disk having a microporous protective coating containing a lubricant |
| 11/21/1996 | WO1996031875A3 Optical information recording medium, manufacturing method therefor, manufacturing apparatus therefor, and optical information recording and reproducing apparatus |
| 11/20/1996 | EP0742924A1 Optical unit for optically scanning an information surface, and optical scanning arrangement including the optical unit |
| 11/20/1996 | CN1136359A Optical disk and optical disk drive device |
| 11/20/1996 | CN1136331A Magneto-optical alloy sputter targets |
| 11/19/1996 | US5577021 Optical and magnetooptical recording medium having a low thermal conductivity dielectric layer |
| 11/19/1996 | US5577020 Magneto-optical disc with intermediate film layer between a recording film and a dielectric film |
| 11/19/1996 | US5577019 Prepulse condition/heat shut off condition determination method and apparatus for optical recording, and optical recording method and apparatus |
| 11/19/1996 | US5577018 Phase changing apparatus and optical pickup apparatus for magneto-optic storage device using same |
| 11/19/1996 | US5577017 Magnetooptical information recording/reproducing apparatus |
| 11/19/1996 | US5577016 Recording medium having concavo-convex pits with a maximum and a minimum pit depth depending on the wavelength of a laser light |
| 11/19/1996 | US5577008 Magneto-optical disk drive system |
| 11/19/1996 | US5576918 Magnetic disk medium with designed textured surfaces and controlled surface roughness and method of producing same |
| 11/19/1996 | US5576102 Tantalum oxide interference layer, tbfeco alloy recording layer, silicon nitride or silicon oxide insulation layer |
| 11/19/1996 | US5576100 Magneto-optical recording medium |
| 11/19/1996 | US5576087 Magneto-optical recording medium |
| 11/19/1996 | CA2051730C Magnetic storage device and manufacturing method thereof |
| 11/14/1996 | WO1996035987A1 Video media security and tracking system |
| 11/14/1996 | CA2218383A1 Video media security and tracking system |