| 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) |
|---|
| 05/28/1996 | US5521893 Data recording apparatus |
| 05/28/1996 | US5521770 Disc apparatus having a plurality of reading/recording head driving manners for disc track seeking movement |
| 05/28/1996 | US5521006 Alternating laminating cobalt and platinum layer |
| 05/28/1996 | CA2081153C Magneto-optical memory device whereon overwriting operation can be carried out through light intensity modulation and method for recording and erasing using it |
| 05/23/1996 | WO1996015530A1 Optical pickup apparatus and optical disk drive apparatus |
| 05/22/1996 | EP0713213A1 Pulse width modulation optical disk drive with pulsed laser preheating between marks |
| 05/22/1996 | EP0713212A2 Optical information recording and reproducing apparatus |
| 05/22/1996 | CN1122938A 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...... |
| 05/21/1996 | US5519685 Optical pickup head apparatus capable of suppressing crosstalk from adjacent tracks and in the recording line density direction |
| 05/21/1996 | US5519680 Disc recording and reproducing device for improved recording of table of contents information |
| 05/21/1996 | US5519679 Apparatus and method for multi-spot sampled tracking in an optical data storage system |
| 05/21/1996 | US5519675 Polarization detector optical head |
| 05/21/1996 | US5518826 Multilayer element with protective coatings and magneto-optical recording layers |
| 05/15/1996 | EP0712122A2 Information recording and/or reproducing apparatus |
| 05/15/1996 | EP0477372B1 Transfer method |
| 05/14/1996 | US5517485 Optical information recording medium having first and second tracks and apparatus for recording to and reproducing from the medium |
| 05/14/1996 | US5517480 Magneto-optical information reproducing apparatus that splits a light beam into at least three light beams advancing in the same direction |
| 05/14/1996 | US5517472 Magnetic-field generator for use in a magneto-optical disk unit |
| 05/14/1996 | US5517471 Method and apparatus for verifying recording data and for determining recording error using a detected light amount |
| 05/08/1996 | EP0536404B1 Method for reproducing signal in optically recording medium |
| 05/08/1996 | EP0526641B1 Method for reproducing signal in optically recording medium |
| 05/08/1996 | CN1122041A Automatic guide-channel mapping method of a VCR |
| 05/07/1996 | US5515355 Light modulator and optical head adjustment method |
| 05/07/1996 | US5515353 Optical head with forward and return light beam propagating along a common path |
| 05/07/1996 | US5515348 Optical disk pickup device with tilt compensation by electrostriction |
| 05/07/1996 | US5515346 Magneto-optical disk system with specified thickness for protective layer relative to the numerical apperture of the objective lens |
| 05/07/1996 | US5514468 Magneto-optical recording medium |
| 05/07/1996 | CA2025724C Information processor and disk memory used in the same |
| 05/01/1996 | EP0709843A2 Method, apparatus and medium for data recording and processing |
| 05/01/1996 | EP0709842A2 Recording and reproduction of data |
| 05/01/1996 | EP0709837A2 Optical disks and recording/reproduction thereof |
| 05/01/1996 | CN1121627A Disc recording/reproduction apparatus |
| 04/30/1996 | US5513170 Multiple data surface optical data storage system |
| 04/30/1996 | US5513168 Optical information read/write apparatus |
| 04/30/1996 | US5513167 Optical recording apparatus |
| 04/30/1996 | US5513166 Optical recording and reproducing apparatus for controlling a laser driver current according to test data on the disc |
| 04/30/1996 | US5513165 Method for controlling the farm of a magnetic domain of a magneto-optical disk using pre-write testing |
| 04/30/1996 | US5513164 Optical recording and reproducing apparatus |
| 04/30/1996 | US5513162 Recording apparatus having a function to prevent recording of a signal into a specific area of a recording medium |
| 04/30/1996 | US5513159 Device for selecting magnetic head to be operated together with an optical head |
| 04/30/1996 | US5513158 Optical disk pickup device with focusing correction by electrostriction |
| 04/30/1996 | US5512366 Magneto-optic recording medium and apparatus |
| 04/30/1996 | US5512364 Magneto-optical recording medium |
| 04/25/1996 | DE19536796A1 Magneto=optical data recording medium e.g. for optical disc |
| 04/24/1996 | EP0708443A2 Reproducing method and reproducing apparatus of recording medium |
| 04/23/1996 | US5511228 Apparatus and method for employing a host mode setting command to turn-off or leave-on a laser in an optical disk drive |
| 04/23/1996 | US5511061 Filter circuit, filtering method and disc rotation control method and apparatus |
| 04/23/1996 | US5511060 Magneto-optical head with a three prism beam splitter to split a reflected beam into three beams |
| 04/23/1996 | US5511050 Focus error detecting method and optical head using the same |
| 04/23/1996 | US5511048 Magneto-optical recording and reproducing apparatus |
| 04/23/1996 | US5509991 Method of producing an optical disk having an integrated label layer |
| 04/23/1996 | CA2083615C Data recording/reproducing apparatus capable of simultaneously performing both reproducing and recording from and in a single recording medium |
| 04/23/1996 | CA2039853C Data reproduction circuit |
| 04/18/1996 | WO1996011484A2 Actuator comprising a rotatable magnet body; actuator unit comprising the actuator and a control system; magneto-optical device comprising the actuator, and scanner comprising the actuator |
| 04/18/1996 | DE19535994A1 Magneto-optical recording medium with read-out layer |
| 04/17/1996 | EP0707313A2 Information recording and reproducing apparatus |
| 04/17/1996 | EP0453576B1 Optical pickup apparatus and optical reproducing apparatus |
| 04/17/1996 | EP0441967B1 Optical recording medium, data recording method and data reproducing method |
| 04/17/1996 | CN1120719A Magneto-optical recording medium for realizing super resolution and reproducing method using the medium |
| 04/16/1996 | US5509094 Mode splitter and a magneto-optical disk pick-up device having the mode splitter |
| 04/16/1996 | US5508995 Optical disk capable of recording information on both groove and land tracks |
| 04/16/1996 | US5508992 Magneto-optical recording/reproducing pickup head with a diffraction grating and a wollaston prism |
| 04/16/1996 | US5508991 Tracking error correction for optical head in different modes of operation |
| 04/16/1996 | US5508982 Method for recording on a magneto-optic storage medium having two recording layers |
| 04/16/1996 | US5508981 Magneto-optical disk system with specified thickness for protective layer relative to the numerical aperture of the objective lens |
| 04/16/1996 | US5508869 Sliding type magnetic head for magneto-optical recording |
| 04/16/1996 | US5508857 Magnetic head loading/unloading apparatus maintaining a magnetic head at predetermined positions by permanent magnets |
| 04/10/1996 | EP0706181A1 Magneto-optic recording medium and information reproducing method using the medium |
| 04/10/1996 | EP0706180A1 A disk recording/reproduction device |
| 04/10/1996 | EP0706175A1 Optical information recording and reproducing unit |
| 04/10/1996 | EP0706174A1 Method and apparatus for preventing illegal copying and illegal installation of information on optical recording medium |
| 04/10/1996 | EP0705475A1 Recording system with magneto-optic layers, magneto-optic recording system and writing process |
| 04/10/1996 | CN1120218A Magneto-optical head apparatus |
| 04/10/1996 | CN1120214A Data storage and retrieval system and method |
| 04/09/1996 | US5506827 Digital data reproducing apparatus |
| 04/09/1996 | US5506023 Magneto-optical disc |
| 04/04/1996 | WO1996010251A1 Magneto-optic recording medium having magneto-optic film layers separated by yttrium oxide |
| 04/04/1996 | DE19536190A1 Optical disk drive with radially transported optical head |
| 04/04/1996 | DE19530997A1 Silver magnesium alloy film for protecting the surface of silver substrates |
| 04/03/1996 | EP0704841A1 Optical information recording and/or reproducing apparatus |
| 04/03/1996 | CN1119895A 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 |
| 04/02/1996 | US5504731 Remote fine positioning mechanism |
| 04/02/1996 | US5504727 Optical recording medium and recording and/or reproducing apparatus using such optical recording medium |
| 04/02/1996 | US5504722 Magneto-optic information storage system utilizing a TE/TM mode controlling laser diode |
| 04/02/1996 | US5504366 System for analyzing surfaces of samples |
| 04/02/1996 | US5503924 Exchange-coupled magnetooptical recording medium with first layer having smaller vertical orientation saturation magnetization than in-plane orientation saturation magnetization of second layer |
| 03/28/1996 | WO1996009626A1 Method and apparatus for storing data using spin-polarized electrons |
| 03/28/1996 | WO1996009625A1 Scanning head including a magneto-optical element and scanning device including the scanning head |
| 03/28/1996 | WO1996009623A2 Record carrier, recording device and reading device |
| 03/28/1996 | CA2234392A1 Method and apparatus for storing data using spin-polarized electrons |
| 03/28/1996 | CA2200198A1 Method and apparatus for storing data using spin-polarized electrons |
| 03/26/1996 | US5502711 Dual digital phase locked loop clock channel for optical recording |
| 03/26/1996 | US5502708 Optical scanning device |
| 03/26/1996 | US5502701 Optical disc recording apparatus which controls re-recording after a disturbance as a function of the capacity of an input buffer memory |
| 03/26/1996 | US5502699 Disc reproduction apparatus |
| 03/26/1996 | US5502693 Magnetic recording system for compensating leakage flux |
| 03/26/1996 | US5502692 Method and apparatus for recording, reproducing and overwriting information on or from a magnetooptic disk having three magnetic layers |
| 03/26/1996 | US5501913 Garnet polycrystalline film for magneto-optical recording medium |
| 03/26/1996 | CA2074546C Optical magnetic disk recording/reproducing apparatus |
| 03/20/1996 | CN1119048A Method of writing data onto and reading data from a magnetic carrier and a head unit for carrying this out |