| 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) |
|---|
| 03/28/1995 | US5402293 Magneto-optical head having a thin film coil recessed into a magnetic substrate |
| 03/28/1995 | US5402269 Compound prism |
| 03/28/1995 | US5402052 Inductive current switching system with resonance |
| 03/23/1995 | WO1995008181A2 A system for analyzing surfaces of samples |
| 03/23/1995 | WO1995008109A1 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 |
| 03/22/1995 | EP0644543A1 Disk recording apparatus |
| 03/22/1995 | EP0644538A1 Magnetooptic recording method, magnetooptic recording medium and magentooptic recording apparatus |
| 03/21/1995 | US5400318 Edge detection of information pit pattern by establishing threshold voltage from a closely spaced pit pattern |
| 03/21/1995 | US5400316 High density small-diameter magnetic optical disk |
| 03/21/1995 | US5400313 Optical data storage system and method with reduced heat buildup |
| 03/21/1995 | US5400307 Substrate with multilayer films in stacks of cobalt, platinum and palladium |
| 03/21/1995 | US5400306 Differential detection assembly for data retrieval from a data storage disk |
| 03/15/1995 | CN1100225A Magneto-optical recording apparatus |
| 03/14/1995 | US5398232 Optical recording medium with prepit areas having reflectivity higher than land areas |
| 03/14/1995 | US5398227 Magnetooptical recording reproducing apparatus and method for determining the power of an irradiating light beam on the basis of a detected amplitude of a recording signal |
| 03/14/1995 | US5398222 Method and apparatus of measuring seek time using optical disk apparatus |
| 03/14/1995 | US5398219 High recording density, weather resistance |
| 03/14/1995 | US5397896 Multiple source and detection frequencies in detecting threshold phenomena associated with and/or atomic or molecular spectra |
| 03/08/1995 | EP0642127A2 Magneto optical recording method and magneto optical recording medium used therefor |
| 03/08/1995 | EP0642126A2 Magneto-optic recording medium |
| 03/08/1995 | EP0642125A1 Magneto-optical recording medium |
| 03/08/1995 | EP0642124A1 Optical information recording medium |
| 03/08/1995 | CN1099774A Rigid cycloolefin copolymer film |
| 03/07/1995 | US5396477 Light spot positioning method and optical disc memory apparatus employing the same |
| 03/07/1995 | US5396476 Sensing contamination level in an optical storage device |
| 03/07/1995 | US5396061 Opto-magnetic recording polarization optical apparatus having a light absorbing film and a total reflection film |
| 03/07/1995 | CA2033687C Recording method for magneto-optic memory medium |
| 03/02/1995 | DE4430222A1 Magnetooptical storage element |
| 03/01/1995 | EP0640970A2 Recording and/or reproducing apparatus for recording medium |
| 03/01/1995 | EP0640965A1 Magnetic head apparatus and manufacturing methods |
| 03/01/1995 | EP0640964A1 Target for magneto-optical recording medium and process for production therefof |
| 03/01/1995 | EP0640962A1 Optical device |
| 03/01/1995 | EP0640961A1 An apparatus for use in adjusting an optical head |
| 02/28/1995 | US5394381 Optical pickup apparatus and magneto-optical reproducing system |
| 02/28/1995 | US5394380 Magneto-optic recording apparatus and method therefor |
| 02/22/1995 | EP0338083B1 Scanning tunneling microscope with means for correcting surface data |
| 02/22/1995 | CN1099144A Focusing servo system and focus servo acquisition enable method |
| 02/21/1995 | US5392274 Optical pickup device |
| 02/21/1995 | US5392273 Optical storage drive controller with predetermined light source drive values stored in non-volatile memory |
| 02/21/1995 | US5392271 Concurrent recording and reproducing optical disc and optical head apparatus for the same |
| 02/21/1995 | US5392263 Magneto-optical disk system with specified thickness for protective layer on the disk relative to the numerical aperture of the objective lens |
| 02/21/1995 | US5392262 Two-sided optical disks having recording layers disposed close to outer surfaces and spaced axially apart a greater distance and devices for using the disks |
| 02/21/1995 | US5392181 Magneto-optical reading head |
| 02/21/1995 | US5391431 Magneto-optical recording medium |
| 02/16/1995 | WO1995004990A1 Recording and/or reproduction apparatus |
| 02/15/1995 | EP0638896A1 An optical pickup apparatus for a magneto-optical recording medium |
| 02/15/1995 | EP0638196A1 Improved optical disk structures for electron trapping optical memory media |
| 02/15/1995 | EP0561775B1 Circuit for reversing a magnetic field |
| 02/15/1995 | CN1098810A Apparatus for regeneration of recording and recording medium and manufacture of same |
| 02/14/1995 | US5390162 Method for reproducing signals recorded on optical recording medium |
| 02/14/1995 | US5390161 Microprobe, method for producing the same, and information input and/or output apparatus utilizing the same |
| 02/14/1995 | US5390156 Magneto-optic overwrite disk recording system for erasing and overwriting in a single pass |
| 02/14/1995 | US5389779 For collecting information from a surface of a sample |
| 02/14/1995 | US5389455 Consisting of a silicon nitride protective coatings and an at least four multilayer over the substrate an intermetallics of iron, cobalt and dysprosium, terbium or gadolinium |
| 02/08/1995 | EP0637822A2 Magnetic head drive device and magnetic recording apparatus using the same |
| 02/07/1995 | US5388209 Apparatus for high-speed recording compressed digital data with increased compression |
| 02/07/1995 | US5388090 Method, apparatus, and medium for recording information in data sections having number of bytes which increases with increase in circumference of tracks on medium |
| 02/07/1995 | US5388086 Electro-magnetic actuator for driving an objective lens |
| 02/07/1995 | US5387309 Process for the measurement of the thickness and refractive index of a thin film on a substrate, and an apparatus for carrying out the process |
| 02/01/1995 | EP0637019A2 Magnetooptical recording medium and recording/reproduction method for medium |
| 02/01/1995 | EP0637017A1 Optical recording medium having recording and dielectric layers |
| 02/01/1995 | EP0637016A2 Recording and reproducing apparatus |
| 02/01/1995 | EP0636914A1 Reflective feedback probe for optical near-field detection |
| 01/31/1995 | US5386405 Disk apparatus having a read error retry function |
| 01/31/1995 | US5386404 Optical information processing apparatus |
| 01/31/1995 | US5386400 Magneto-optical head device having a lubricated member |
| 01/25/1995 | EP0635835A2 Recording medium, recording and/or reproducing apparatus and recording and/or reproducing method |
| 01/25/1995 | EP0635829A2 Data recording method and apparatus |
| 01/25/1995 | EP0635827A1 Magnetic head position control system |
| 01/25/1995 | EP0635157A1 Improved surface-enhanced raman optical data storage system |
| 01/25/1995 | EP0635156A1 Selectively modifiable optical data storage |
| 01/24/1995 | US5384758 Reproduction-only magneto-optical disk with selectively exchange coupled layers, and reproduction method and reproduction apparatus therefor |
| 01/24/1995 | US5384757 Magneto-optical disc recording and/or reproducing apparatus |
| 01/19/1995 | DE4422620A1 Magnetooptical disk, optical pick-up and drive for a magnetooptical disk |
| 01/18/1995 | EP0634746A2 Information reproduction method and information recording reproduction method |
| 01/18/1995 | EP0634743A1 Optical pick-up device |
| 01/18/1995 | EP0634741A1 Recording medium, method of controlling same, and system utilizing electronic publications |
| 01/18/1995 | EP0414518B1 Optical recording medium and method of and apparatus for recording and reproducing information therein |
| 01/17/1995 | US5383176 Optical disk |
| 01/17/1995 | US5383175 Laser power control with defocusing offset during data recording |
| 01/17/1995 | US5383173 Optical pick-up utilizing a phase diffraction grating for diffracting reflected light in two directions |
| 01/17/1995 | US5383075 Slider body with embedded lubricants and magnetic biasing apparatus |
| 01/17/1995 | US5382460 Corrosion resistance |
| 01/17/1995 | US5382345 Apparatus for simultaneously coating a film of magneto-optical recording medium on a plurality of disk substrates |
| 01/17/1995 | CA2012800C Reliably detecting track crossings and controls associated therewith for track seeking in optic disk recorders |
| 01/10/1995 | US5381401 Multiple data surface optical data storage system |
| 01/10/1995 | US5381396 Magneto-optical recording method and apparatus for recording information on a magneto-optical recording media |
| 01/10/1995 | US5381394 Optical pickup for an optical disc player |
| 01/10/1995 | US5381390 Directly overwrite information by using two radiation beams onto a single magneto-optical recording |
| 01/10/1995 | US5380573 Optical recording medium |
| 01/05/1995 | WO1995000950A1 Recording system with magneto-optic layers, magneto-optic recording system and writing process |
| 01/05/1995 | WO1995000873A1 Polarizing beam splitter and magneto-optic reading device using the same |
| 01/04/1995 | EP0632437A2 Magneto-optical recording medium |
| 01/04/1995 | EP0632436A2 Magneto-optical recording medium |
| 01/04/1995 | EP0632435A2 Magnetic head assembly |
| 01/03/1995 | US5379283 Magneto-optical recording/reproducing method with optical head servo inhibited during magnetic head loading |
| 01/03/1995 | US5379282 System for calculating focus servo control signal using focus error signal and reproduced RF signal |
| 01/03/1995 | US5379275 Thermomagnetic recording method using a recording light power modulated according to the signal to be modulated |
| 01/03/1995 | CA2127059A1 Magneto-optical recording medium |
| 01/03/1995 | CA1333820C Magneto-optical recording medium |