| Patents for G11B 13 - Recording simultaneously or selectively by methods or means covered by different main groups; Record carriers therefor; Reproducing simultaneously or selectively therefrom (1,475) |
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| 05/01/1997 | CA2187602A1 Optical disc recording medium |
| 04/22/1997 | US5623472 Method and apparatus for recording signals on a record carrier, measurement method and measurement device for use in the recording method and the recording apparatus, and record carrier |
| 04/17/1997 | WO1997014146A1 Optical disk, bar code formation method for optical disk, optical disk reproduction apparatus, and marking method, laser marking method for optical disk, and method of optical disk production |
| 04/17/1997 | WO1997014144A1 Optical disk, optical recorder, optical reproducing device, encrypted communication system, and authorizing system for use of program |
| 03/25/1997 | US5615192 Information recording and reproducing method and apparatus |
| 03/25/1997 | US5615181 Optical read/write head with low angle beam splitter and coplanar detectors |
| 03/11/1997 | US5610901 Multiple data surface optical data storage system |
| 03/05/1997 | EP0760509A1 Disk apparatus and disk access method |
| 02/25/1997 | US5606546 Optical data storage medium with multiple writable data layers separated by dieletric layers |
| 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 |
| 02/11/1997 | US5602819 Optical information system to detect reflection of pit depth by evanescent wave |
| 01/28/1997 | US5598398 Multiple data surface optical data storage system |
| 01/28/1997 | US5598390 Dual more recording and reproducing apparatus having two recording regions using differing reproduction principles |
| 01/28/1997 | US5598387 High-density optical data storage unit and method for writing and reading information |
| 01/28/1997 | US5597998 Recording medium using reversible recording material and method of processing record to recording medium |
| 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 |
| 01/08/1997 | EP0752323A1 Ticket and its rewrite processor |
| 01/07/1997 | US5592446 Dual mode recording and reproducing apparatus having two recording regions using differing reproduction principles |
| 12/25/1996 | CN1138915A Marking generating appts., method of forming laser marking on optical disk, reproducing appts., optical disk and optical disk producing method |
| 12/24/1996 | US5587901 Optical recording medium having a pre-formed recording track which is offset along its width to record frame sync signals of information |
| 12/11/1996 | EP0535112B1 Optical servo system for magnetic disk |
| 12/10/1996 | US5583847 Optical disk having predetermined cross-track signal, cross-track minimum signal, and push-pull signal |
| 12/03/1996 | US5581525 Dual mode recording and reproducing apparatus having two recording regions using differing reproduction principles |
| 12/03/1996 | US5581499 Micro information storage system |
| 11/27/1996 | CN1136851A Rom-Ram-disk |
| 11/20/1996 | CN1136359A Optical disk and optical disk drive device |
| 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 |
| 11/06/1996 | EP0741382A1 Marking generating apparatus, method of forming laser marking on optical disk, reproducing apparatus, optical disk and optical disk producing method |
| 10/17/1996 | WO1996011484A3 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 |
| 09/26/1996 | WO1996029698A1 Disk apparatus and disk access method |
| 09/25/1996 | EP0733262A1 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 |
| 09/24/1996 | US5559769 Recording/reproducing apparatus for both read-only and magneto-optical disc-shaped recording medium |
| 09/24/1996 | US5559314 Recording medium using reversible recording material and method of processing record to recording medium |
| 09/18/1996 | EP0731970A1 Rom-ram-disk |
| 09/03/1996 | US5553044 Optical recording method and apparatus for enabling interchange of dissimilar recording media |
| 08/29/1996 | DE19506313A1 Electronic storage of personal data on compact discs |
| 08/14/1996 | EP0726572A1 Optical disk and optical disk drive device |
| 08/14/1996 | EP0646272B1 Simultaneous mo and rom optical disk signal detection |
| 08/13/1996 | US5546374 Information recording and/or reproducing apparatus using probe |
| 08/13/1996 | US5546337 Method and apparatus for storing data using spin-polarized electrons |
| 07/17/1996 | CN1127049A Method and apparatus for preventing illegal copying and illegal installation of information on optical recording medium |
| 07/09/1996 | US5535190 Driver system for an updatable optical storage-media |
| 07/04/1996 | WO1996020092A1 Ticket and its rewrite processor |
| 06/18/1996 | US5527110 Method and apparatus for detecting asperities on magnetic disks using thermal proximity imaging |
| 06/12/1996 | EP0715714A1 A measuring device for measuring the intensity and/or polarization of electromagnetic radiation, for determining physical properties of a preparation, and for reading information from a storage medium |
| 06/11/1996 | US5526328 Recording and reproducing apparatus with varying amounts of data in different tracks |
| 06/05/1996 | EP0655960A4 Pneumatic hub locking device for etching optical servo tracks on magnetic disks. |
| 05/31/1996 | EP0685837A4 Method of writing data onto and reading data from a magnetic carrier and a head unit for carrying this out. |
| 05/30/1996 | WO1996016401A1 Marking generating apparatus, method of forming laser marking on optical disk, reproducing apparatus, optical disk and optical disk producing method |
| 05/29/1996 | EP0714091A1 Reading device and system |
| 05/21/1996 | US5519680 Disc recording and reproducing device for improved recording of table of contents information |
| 05/02/1996 | WO1996013034A1 Data storage device |
| 04/30/1996 | US5513170 Multiple data surface optical data storage system |
| 04/23/1996 | US5511058 Distortion correction of a reconstructed holographic data image |
| 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 |
| 04/17/1996 | EP0441967B1 Optical recording medium, data recording method and data reproducing method |
| 04/10/1996 | EP0706174A1 Method and apparatus for preventing illegal copying and illegal installation of information on optical recording medium |
| 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 |
| 03/28/1996 | WO1996009626A1 Method and apparatus for storing data using spin-polarized electrons |
| 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 | US5502708 Optical scanning device |
| 03/20/1996 | CN1119048A Method of writing data onto and reading data from a magnetic carrier and a head unit for carrying this out |
| 03/05/1996 | US5497367 Optical recording medium |
| 02/29/1996 | WO1996006433A1 Optical disk and optical disk drive device |
| 01/31/1996 | EP0647170A4 A method of and apparatus for removing debris from the floptical medium. |
| 12/27/1995 | EP0689200A1 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 |
| 12/26/1995 | US5479387 Optical head including multiple photo detectors for reading signals and error signals for servoing from both a read-only recording medium and a magneto-optical recording medium |
| 12/06/1995 | EP0685837A1 Method of writing data onto and reading data from a magnetic carrier and a head unit for carrying this out |
| 12/05/1995 | US5473584 Recording and reproducing apparatus |
| 11/29/1995 | CN1112714A Device for driving magnetic brasing coil head of small magnetic disc recording and playing set |
| 11/22/1995 | CN1112273A Disc recording apparatus and file management method |
| 11/21/1995 | US5469416 Apparatus for reproducing recorded data and selectively either of read-only or recorded synchronization information from a magneto-optical recording medium |
| 10/31/1995 | US5463609 Information recording and reproducing device and a method using the same |
| 10/31/1995 | US5463602 Reproducing apparatus which can play multiple types of discs and biases focusing error signal based on disc type |
| 10/31/1995 | US5462823 Magnetic recording materials provided with a photosensitive layer |
| 10/26/1995 | WO1995028704A1 Method and apparatus for preventing illegal copying and illegal installation of information on optical recording medium |
| 10/25/1995 | EP0678863A2 Bundled fiber array data storage apparatus and methods |
| 10/24/1995 | US5461600 High-density optical data storage unit and method for writing and reading information |
| 10/17/1995 | US5459707 Read/write CD ROM system using an electro-optic modulator to crosstalk |
| 10/05/1995 | WO1995026551A1 Updatable optical storage medium |
| 09/27/1995 | EP0674309A1 Optical disk |
| 09/26/1995 | US5453607 Photodetector for recording/reproducing apparatus for both read only and magneto-optical disk shaped recording medium |
| 09/20/1995 | EP0438476B1 Self-clocking encoding/decoding film information exchange system using dedicated magnetic tracks on film |
| 09/12/1995 | US5450379 Information storage medium, method of fabricating same, and drive unit for such medium |
| 09/12/1995 | US5450218 Method for encoding and decoding digital data in holographic storage media |
| 08/31/1995 | DE19506334A1 Magnetic arrangement with photo-induction |
| 08/29/1995 | US5446723 Multiple data surface optical data storage system |
| 08/29/1995 | US5446720 Information recording method and apparatus recording two or more changes in topographical and electrical states |
| 08/29/1995 | US5446687 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 |
| 08/22/1995 | US5444677 Optical read/write head low angle beamsplitter and coplanar detectors |
| 08/08/1995 | US5439777 Recording and reproducing apparatus and method for applying a pulse voltage and an electromagnetic wave |
| 08/03/1995 | WO1995020814A1 Ultra thin film magnetic recording medium and related method and apparatus for recording and reproducing using spin-polarized electrons |
| 08/02/1995 | EP0665541A2 Information recording and reproducing device |
| 07/06/1995 | WO1995018443A1 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 |
| 06/28/1995 | EP0599901B1 Optical scanning device |
| 06/08/1995 | WO1995015557A1 Rom-ram-disk |
| 06/08/1995 | WO1995015553A1 Method of writing data onto and reading data from a magnetic carrier and a head unit for carrying this out |
| 06/08/1995 | CA2155003A1 Method of writing data onto and reading data from a magnetic carrier and a head unit for carrying this out |