| 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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| 09/03/1986 | EP0192878A1 Magneto-optical recording medium and manufacturing method thereof |
| 09/02/1986 | US4610009 Writing, erasing and readout system for a magneto-optic recording medium |
| 09/02/1986 | US4609961 Faraday-effect magneto-optic transducer |
| 08/27/1986 | EP0192433A1 Optical head for optical data storage and readout |
| 08/27/1986 | EP0192256A2 Magnetooptical storage element |
| 08/26/1986 | US4608142 Method of manufacturing magneto-optic recording film |
| 08/20/1986 | EP0191226A2 Rewritable magneto-optical disc |
| 08/20/1986 | CN86100902A Magnetic-optical disc memory system |
| 08/12/1986 | CA1209698A1 Magneto-optic memory device |
| 07/31/1986 | WO1986004446A1 Recording/reproducing apparatus using optical disk |
| 07/30/1986 | EP0189187A2 Magnetic-optical disc memory system |
| 07/22/1986 | CA1208361A1 Optical focus position control in optical disc apparatus |
| 07/16/1986 | EP0187400A1 Multilayer optical component |
| 07/15/1986 | US4600488 Control method of magnetic anisotropy and device utilizing the control method |
| 07/09/1986 | EP0186919A2 Metallized rare earth garnet and metal seals to same |
| 07/09/1986 | EP0186911A2 Reversible memory system |
| 07/08/1986 | US4599714 Photo-magnetic reproducing apparatus |
| 07/02/1986 | EP0186528A1 Magnetic garnet material, magnetic film with a strong Faraday rotation comprising such a material and manufacturing method therefor |
| 06/25/1986 | EP0185097A1 Method of manufacturing stamper |
| 06/24/1986 | US4596740 Plastic substrate, crosslinked polymer comprising polyallyl compound, acrylic compound, thermosetting resin, alkyl silicate hydrolyzate, polysiloxane, rare earth metal amorphous layer |
| 06/24/1986 | CA1206612A1 Direct read after write optical disk system |
| 06/17/1986 | US4595950 Method and apparatus for marking the information content of an information carrying signal |
| 06/11/1986 | EP0184189A1 Optical information recording device and method |
| 06/10/1986 | US4594699 Faraday-effect magneto-optic transducer apparatus of a rotary form |
| 06/10/1986 | CN85104646A 相可变材料 Phase variable material |
| 06/03/1986 | US4593306 Information storage medium and method of recording and retrieving information thereon |
| 05/28/1986 | EP0182153A2 Data storage device using phase changeable material |
| 05/27/1986 | US4592041 Head for recording an information signal in and reproducing the same from a semiconductor recording medium |
| 05/09/1986 | WO1986002768A1 Disc device |
| 05/07/1986 | EP0180459A2 Magneto-optical memory medium and apparatus for writing and reading information on and from the medium |
| 04/30/1986 | EP0179671A2 Apparatus for magneto-optically recording, reproducing and erasing data |
| 04/30/1986 | EP0179429A2 Magneto-optical reproducing head of a high light utilization rate |
| 04/29/1986 | US4586161 Permanent thermo-magnetic recording of binary digital information |
| 04/29/1986 | US4586092 Thermo-magneto-optical memory device and recording medium therefor |
| 04/23/1986 | EP0178423A2 Magneto-optical recording medium |
| 04/22/1986 | US4584483 Noise erasing method in radiation image recording and reproducing method |
| 04/16/1986 | EP0178116A2 Optical memory element |
| 04/16/1986 | EP0177737A2 Optical memory disk and track access therefor |
| 04/08/1986 | US4581717 Thermomagnetic recording method |
| 04/08/1986 | US4581529 Read/write system for optical disc apparatus with fiber optics |
| 04/02/1986 | EP0176271A2 Optical storage medium drive apparatus |
| 04/01/1986 | US4579777 Opto-magnetic recording medium |
| 04/01/1986 | CA1202719A1 Apparatus for optical information storage |
| 03/25/1986 | US4578322 Recording medium |
| 03/19/1986 | EP0174860A2 Information recording and readout |
| 03/18/1986 | US4576895 Metal energy absorber; silica, metal oxide or carbon fluoride matrix |
| 03/18/1986 | US4576699 Cosputtering rare earth and transition metals, concentration, variations |
| 03/12/1986 | EP0174008A2 Device for processing optical data |
| 03/11/1986 | US4575822 Method and means for data storage using tunnel current data readout |
| 03/05/1986 | EP0173533A2 An optical memory device |
| 02/25/1986 | US4573149 Magneto-optical head assembly with improved detection means |
| 02/18/1986 | US4571650 Magneto-optic information storage system utilizing a self-coupled laser |
| 02/11/1986 | US4569881 Multi-layer amorphous magneto optical recording medium |
| 02/11/1986 | CA1200596A1 System for recording continuous-play and stop-motion signal |
| 02/05/1986 | EP0169882A1 Optical data storage and readout apparatus |
| 02/04/1986 | US4569035 Magneto-optical information reading apparatus |
| 02/04/1986 | US4568952 Optical record blank and information record |
| 01/28/1986 | US4566937 Electron beam enhanced surface modification for making highly resolved structures |
| 01/21/1986 | US4566086 Information storage system utilizing electrets |
| 01/15/1986 | EP0168046A2 Magneto-optical recording material |
| 01/14/1986 | US4564877 Magnetic recording/reproducing system with wide-gapped transducer and method for using same |
| 01/02/1986 | EP0166614A2 Encoated optical recording medium |
| 01/02/1986 | EP0166460A2 Optical head for magneto-optical memory |
| 12/31/1985 | US4562502 For reading out magnetically stored information |
| 12/31/1985 | US4562105 Ferrimagnetic oxides and magneto-optical recording medium employing the same |
| 12/27/1985 | EP0165692A2 Magnetic bubble memory component |
| 12/27/1985 | EP0165440A2 Method and structure for optical recording |
| 12/24/1985 | US4561087 Conductive video disc |
| 12/24/1985 | US4561032 Magnetooptic reproducing device |
| 12/19/1985 | WO1985005721A1 Method of manufacturing stamper |
| 12/18/1985 | EP0164745A2 Method of and apparatus for recording/erasing information by utilizing light induced thermo-magnetic effect |
| 12/18/1985 | EP0164577A1 Optical information recording/reproducing system |
| 12/17/1985 | US4559573 Magneto-optical recording medium |
| 12/17/1985 | US4559280 Metallized rare earth garnet and metal seal to same |
| 12/11/1985 | EP0164131A2 Information recording medium disc and method and apparatus for recording/reproducing information |
| 12/11/1985 | EP0163810A2 Optical information recording carrier |
| 12/10/1985 | US4558440 System for recording patterns of magnetically recorded information by utilizing the magneto-optic effect |
| 12/04/1985 | EP0044345B1 Process for making video and similar discs |
| 12/03/1985 | US4556291 Two metal layers with opposite sensed hysteresis loops |
| 11/21/1985 | EP0161807A1 Magneto-optic memory element |
| 11/21/1985 | EP0161427A2 Process for data storing and read-out in resist layers |
| 11/19/1985 | US4554651 Magneto-optical recording medium and method for preventing the erasing of the information recorded on the magneto-optical recording medium |
| 11/19/1985 | CA1197006A1 Process for obtaining a copy disk from an original recording carried by a matrix |
| 11/05/1985 | US4551819 Optical recording method and apparatus utilizing polymeric birefringent materials |
| 10/29/1985 | US4550346 Magneto-optic information recording system |
| 10/22/1985 | US4549287 System for recording and playing back information with magneto-optical disk memory using record and readout light beams of different wavelengths |
| 10/22/1985 | US4548474 Information holding device |
| 10/09/1985 | EP0157664A1 Magnetooptic recording medium |
| 10/09/1985 | EP0156916A1 Photomagnetic recording and reproducing apparatus having device for detecting direction of magnetization of magnetic recording medium |
| 10/02/1985 | EP0156058A2 Magneto-optical reading apparatus |
| 10/01/1985 | US4544602 Oxidation resistant |
| 10/01/1985 | US4544443 Grooves formed directly to substrate |
| 09/18/1985 | EP0155000A2 Method of manufacturing optical memory element |
| 09/04/1985 | EP0153676A1 Magneto-optical recording system |
| 09/03/1985 | US4539662 Method and system for optically recording and playing back information on a recording medium having magnetization film thereon |
| 08/28/1985 | EP0152535A2 Method and apparatus for encoding an information storage medium with audio test signals |
| 08/27/1985 | US4538252 Donor molecule changes dielectric constant when irradiated |
| 08/21/1985 | EP0152269A2 Optical magnetic recording member |
| 08/14/1985 | EP0151220A1 Servo system for the positioning of an optical beam |
| 08/01/1985 | WO1985003376A1 Optical data storage and readout apparatus |