| 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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| 02/25/1997 | US5606544 Optical information recording and regenerating apparatus which regulates the amplitude of a regenerated signal |
| 02/25/1997 | US5606536 Optical recording/reproducing apparatus with variable control |
| 02/25/1997 | US5606282 Transimpedance amplifier |
| 02/20/1997 | WO1997006530A1 Optical disk device |
| 02/19/1997 | EP0758784A2 Information regenerating apparatus |
| 02/19/1997 | CN1143225A Recording card and card reading machine |
| 02/19/1997 | CN1143224A Decoding unit and storage unit |
| 02/18/1997 | US5604719 Magnetooptical information recording/reproducing method and apparatus employing a floating slider supporting a magnetic head |
| 02/18/1997 | US5604706 Data storage medium for storing data as a polarization of a data magnetic field and method and apparatus using spin-polarized electrons for storing the data onto the data storage medium and reading the stored data therefrom |
| 02/18/1997 | US5604046 Magneto-optical recording medium and a method using the same |
| 02/18/1997 | US5604005 Photocurable protective coating contains mono or plyfunctional acrylic or mathacrylic monomers and fatty acid ester |
| 02/18/1997 | US5604002 Optical recording medium and reproducing method therefor |
| 02/18/1997 | US5603814 Magneto-optical disk |
| 02/18/1997 | US5603766 Simultaneously depositing a first, second and third metal on a nonreactive substrate |
| 02/13/1997 | WO1997005607A1 Substrate, recording medium including the substrate, cartridge and reproduction apparatus |
| 02/13/1997 | WO1997005199A1 Structural material, molding made therefrom, and method of degradation of these |
| 02/12/1997 | CN1142662A Apparatus and method for suppression of electromagnetic interference |
| 02/11/1997 | US5602824 Optical disk capable of recording information on both land and groove tracks |
| 02/11/1997 | US5602823 Optical recording medium having pre-formatted patterns arrange by shifting phases |
| 02/11/1997 | US5602820 Method and apparatus for mass data storage |
| 02/11/1997 | US5602819 Optical information system to detect reflection of pit depth by evanescent wave |
| 02/11/1997 | US5602807 Magneto-optical recording head having a pot core |
| 02/11/1997 | US5602806 Magneto-optical recording device capable of reducing thermal interference between recording pits |
| 02/11/1997 | US5602805 Disk drive apparatus and method including power backup |
| 02/11/1997 | US5602473 Method and apparatus for analysis of magnetic characteristics of magnetic device, magnetic head, and magnetic recording and reproducing apparatus |
| 02/11/1997 | CA2071592C Magnetic head driving circuit |
| 02/11/1997 | CA2044427C Magneto-optical disk and manufacturing methods thereof |
| 02/11/1997 | CA2034280C Magneto-optical recording device |
| 02/06/1997 | WO1997004452A1 Recording medium, information reproducing device, information recording device, and information recording/reproducing device |
| 02/06/1997 | WO1997004449A1 Nanometer scale data storage device and associated positioning system |
| 02/05/1997 | EP0757262A1 Convex ultra-fine particle surface structure |
| 02/05/1997 | CN1142277A Optical pickup device and optical disk driver |
| 02/05/1997 | CN1142105A Opticald device |
| 02/05/1997 | CN1142102A Optical recording/replaying apparatus |
| 02/05/1997 | CN1142081A Information processing system |
| 02/04/1997 | US5600623 Disc device having a plurality of heads each movable within a limited distance |
| 02/04/1997 | US5600619 Optical head |
| 02/04/1997 | US5600612 Magnetooptic recording method and apparatus |
| 02/04/1997 | US5600515 Sliding type magnetic head assembly having a spherical contact surface offset from a magnetic pole |
| 02/04/1997 | US5599619 Write once magneto-optic media and system |
| 02/04/1997 | US5599605 Amorphous transparent substrate covered by two garnet layers having crystallization temperatures lower than softening point of substrate and third bismuth-substituted garnet layer |
| 01/30/1997 | WO1997003439A1 Magneto-optical recording medium and method for recording and reproduction thereon |
| 01/29/1997 | EP0756275A1 Magneto-optical disc recording/reproducing system |
| 01/29/1997 | EP0653092B1 Magneto-optical recording materials system |
| 01/29/1997 | EP0541241B1 Track jump operation in two-head-type video disc player |
| 01/29/1997 | CN1141479A Optical recording medium and method of producing same |
| 01/28/1997 | USRE35435 Method and apparatus for information recording and reproduction of a pit-shape-forming optical recording type |
| 01/28/1997 | US5598399 Magneto-optical recording medium having multiple magnetic layers for magneto-optical recording medium |
| 01/28/1997 | US5598398 Multiple data surface optical data storage system |
| 01/28/1997 | US5598395 Data loss prevention in a cache memory when the temperature of an optical recording medium is abnormal |
| 01/28/1997 | US5598394 Optical pick-up |
| 01/28/1997 | US5598392 Data reproduction system synchronized by recording data |
| 01/28/1997 | US5598391 Apparatus for recording data and statically storing and recording supervisory information representing contents of the data on a recording medium |
| 01/28/1997 | US5598390 Dual more recording and reproducing apparatus having two recording regions using differing reproduction principles |
| 01/28/1997 | US5598389 Signal detector for an optical information reproducing apparatus |
| 01/28/1997 | US5598387 High-density optical data storage unit and method for writing and reading information |
| 01/28/1997 | US5598267 Optical sensor for orthogonal radiation modes |
| 01/28/1997 | CA2000071C Recording and reproducing apparatus and recording and reproducing method and recording medium for the recording and reproducing method |
| 01/22/1997 | EP0616718B1 Optical scanning device |
| 01/21/1997 | US5596560 Data playback device with verification of data output by calculating device |
| 01/21/1997 | US5596559 Information reproducing apparatus for reproducing digital information by self-clock scheme |
| 01/21/1997 | US5596555 Magnetooptical recording medium having magnetic layers that satisfy predetermined coercive force relationships, and recording/reproduction method for the medium |
| 01/21/1997 | US5595805 Magneto-optical recording medium |
| 01/15/1997 | EP0753848A1 Optical signal detection circuit |
| 01/15/1997 | EP0753847A2 Magneto-optical disk drive supporting a direct-over-write operation and a write-after-erase operation |
| 01/15/1997 | EP0753844A2 Optical memory apparatus |
| 01/15/1997 | CN1140304A 光记录介质 The optical recording medium |
| 01/14/1997 | US5594713 Optical pickup head apparatus |
| 01/14/1997 | US5594711 Optical recording and reproducing apparatus using a plurality of light spots for recording and reproducing |
| 01/14/1997 | US5594708 Magnetooptical disc apparatus with magnetic head |
| 01/14/1997 | US5593791 Magneto-optical recording medium and method of manufacturing the same |
| 01/14/1997 | US5593790 Interference super-resolution using two magnetic layer construction |
| 01/14/1997 | US5593789 Multilayer elements of metal nitrogen and iron with oxygen, etching, dielectrics |
| 01/14/1997 | CA2085763C Magnetic head driving device |
| 01/08/1997 | EP0752701A2 An optical information recording medium and an optical information recording/reproducing device |
| 01/08/1997 | CN1139800A Photo pick-up device |
| 01/08/1997 | CN1139799A Photo pick-up device composed of assemble prism made of single axle crystal and non-axial crystal material |
| 01/08/1997 | CN1139798A Photo pick-up device with polarization selection element and photo apparatus with said device |
| 01/07/1997 | US5592465 Disc recording method |
| 01/07/1997 | US5592461 Methods of recording and reproducing information using an optical recording medium |
| 01/07/1997 | US5592456 Information reproducing apparatus and method |
| 01/07/1997 | US5592452 Optical disk with logical tracks formed thereon and optical disk drive device |
| 01/07/1997 | US5592447 Control device for head unit having optical head and multiple magnetic heads |
| 01/07/1997 | US5592446 Dual mode recording and reproducing apparatus having two recording regions using differing reproduction principles |
| 01/07/1997 | US5592445 Exchange coupling optical recording medium and recording/reproducing device therefor |
| 01/07/1997 | US5591515 Magnetic recording medium with a recording layer composed of laminate structure of magnetic films and non-magnetic films, and method for producing the same |
| 01/07/1997 | US5591487 Information recording medium and methods of manufacturing and using the same |
| 01/03/1997 | WO1997000517A1 Device and method for reproducing information |
| 01/02/1997 | EP0751517A2 Data record media |
| 01/02/1997 | EP0751511A2 Magneto-optical disc |
| 01/02/1997 | EP0751510A2 Optical pickup using vertical cavity surface-emitting laser diode |
| 01/02/1997 | EP0751508A1 Optical data storage medium |
| 01/02/1997 | EP0751504A2 Data reply device and method for replaying data using the data replay device |
| 01/02/1997 | EP0751503A2 Disk-shaped recording medium and disk recording or reproducing device |
| 01/01/1997 | CN1139275A Magnetic head device and magneto-optical recording device |
| 01/01/1997 | CN1139271A Cartridge-loading apparatus and method |
| 12/31/1996 | US5590115 Optical disk and apparatus for manufacturing the same |
| 12/31/1996 | US5590111 Method of controlling recording of optical records |
| 12/31/1996 | US5590108 Encoding method and apparatus for bit compressing digital audio signals and recording medium having encoded audio signals recorded thereon by the encoding method |
| 12/31/1996 | US5590107 Information processing apparatus for adding handwritten data to a magneto-optical disc database |