Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › 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
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)
11/2000
11/30/2000WO2000023840A9 Near field optical scanning system employing microfabricated solid immersion lens
11/30/2000DE19923444A1 Lichttransparente Sondenspitze sowie Verfahren zur Herstellung einer solchen Transparent light probe tip and method of making such a
11/29/2000EP1056079A2 Optical output adjustment apparatus and optical output adjustment method
11/29/2000EP1055281A1 Optical microswitch having electrostatic microactuator and method for use thereof
11/29/2000EP1055242A1 Anticorrosive magnetic nanocolloids protected by precious metals
11/29/2000CN1275231A Cataldioptric lens, optical head and optical recording/reproducing apparatus
11/29/2000CN1274921A Ringing-reduced oscillator and CD system using the same
11/29/2000CN1274917A Optical output regulating apparatus and method
11/29/2000CN1274916A Use of red light semiconductor laser
11/28/2000US6154438 Storage disk having surface variations that vary minimally in height relative to a datum
11/28/2000US6154434 Optical head with both a servo signal and a Rf signal detecting elements fabricated on a single substrate
11/28/2000US6154431 Recording and reproducing apparatus
11/28/2000US6154326 Optical head, disk apparatus, method for manufacturing optical head, and optical element
11/28/2000US6153318 Layered material having properties that are variable by an applied electric field
11/28/2000CA2061954C Magneto-optical recording medium and method for producing same
11/23/2000WO2000070612A1 Disk apparatus
11/23/2000WO2000070611A1 Disk apparatus
11/22/2000EP1053565A1 Method of forming an assembly of stacked layers
11/22/2000CN1274459A Optical recording medium
11/22/2000CN1274154A Optical/magnetic recording device and method thereof
11/22/2000CN1274150A Optical information memory storage and optical device
11/21/2000US6151293 Two-layer optical disk unaffected by position deviation
11/21/2000US6151292 Optical disk having sequentially numbered sectors and logical tracks formed by a series of 2n sectors, and disk drive apparatus for using such an optical disk
11/21/2000US6151282 Clock matching apparatus for a data reproduction system
11/21/2000US6151192 Magneto-optic multitrack reading head with a kerr effect layer
11/21/2000US6150038 Reproducing layer made of a perpendicularly magnetized film whose domain wall coercivity is smaller and whose domain wall mobility is larger compared with the recording layer around a reproducing temperature, arranged for high recording density
11/21/2000US6150000 Magneto-optical disk and superdensity disk employing integral substrate, and method for manufacturing the same
11/19/2000CA2308427A1 Optical output adjustment apparatus and optical output adjustment method
11/16/2000DE10019435A1 Optical disk recording and/or reproduction device follows modulated track on optical disk adjacent to special track from which reflected beam is detected
11/15/2000EP1052635A1 Magneto-optical recording apparatus and method
11/15/2000EP1052634A1 Magneto-optic recording medium and signal reproducing method
11/15/2000EP1052628A2 Optical information storage apparatus and optical device
11/15/2000EP1051706A1 Data medium optical recording/reading device
11/15/2000CN1273416A Optical disk chip
11/14/2000US6147959 Method and apparatus for recording/reproducing information utilizing near field light
11/14/2000US6147949 Recording apparatus and recording method
11/14/2000US6147943 Information recording and/or reproducing method and apparatus in which a servo process of a light beam is interrupted between input/output control of data at predetermined periods
11/14/2000US6147939 Magneto-optical recording medium having intermediate layer of in-plane magnetization
11/14/2000US6147894 Method and apparatus for storing data using spin-polarized electrons
11/14/2000US6146752 Magneto-optical recording medium
11/14/2000US6146740 Magnetic recording medium and method of fabricating the same
11/14/2000CA2049706C Disc shaped recording medium and recording/reproducing apparatus therefor
11/09/2000WO2000067252A1 Optical storage system with head cleaning mechanism
11/08/2000EP1050879A2 Recording and reproducing apparatus with means for encryption of information
11/08/2000EP1050877A1 Opto-magnetic recording medium and its manufacturing method, and opto-magnetic information recording/reproducing device
11/08/2000EP1050056A1 Magnetic engraving method, in particular for magnetic or magneto-optical recording
11/08/2000CN1272942A Optical pickup device and optical disk recording and/or reproducing device
11/08/2000CN1272941A Information recording method, information reproducing method, recording medium used by method, information recording device, and information reproducing device
11/07/2000US6144631 Information recording medium, and readout method and readout apparatus therefor
11/07/2000US6144628 Information reproducing method using varying laser power for magneto-optical recording medium and magneto-optical reproducing device
11/07/2000US6144627 Data recording and reproducing apparatus and method with phase error detection
11/07/2000US6144525 High density recording medium having a non-magnetic, metallic layer on a flexible substrate
11/07/2000US6143436 Having a recording layer made up of a ferrimagnetic material whose compensation temperature is included within room temperatures
11/07/2000US6143435 Magneto-optical structures applicable in systems for optical processing of information, in sensors and converters of magnetic field; a bismuth containing gallium ferrite-garnet is chosen as the magnetic material
11/07/2000CA2259838C Method and apparatus for retrieving data from a storage device
11/02/2000WO2000065580A1 Method of recording on disk-like recording medium
11/02/2000EP1049085A2 Optical device
11/02/2000DE10020624A1 Optical disc has sectors with two address regions, data region, clock signal regions arranged discretely along tangential direction of recording tracks; each sector is divided into segments
11/01/2000CN1271933A Optical device
11/01/2000CN1058100C Photo pick-up device
10/2000
10/31/2000US6141309 Optical memory apparatus having a supporting base with an integral, fixed optical part mounting portion
10/31/2000US6141302 Optical recording/reproducing apparatus including a mask device for masking marginal rays, in a direction perpendicular to a recording medium track, of a light beam returned from the recording medium
10/31/2000US6141297 Magneto-optical recording medium
10/31/2000US6139980 Reading method of reading information from a recording medium and medium used therefor
10/31/2000US6139949 Magneto optical recording medium
10/31/2000CA2049114C Recording and/or reproducing apparatus for optical disk
10/26/2000DE19916573A1 Schreib-/Lesemodul für optische Speichersysteme Read / write module for optical storage systems
10/25/2000EP1047058A2 Magnetooptical reproducing with domain wall displacement
10/25/2000EP1046162A1 Rewritable optical data storage disk having enhanced flatness
10/25/2000CN1271162A Apparatus and method for data reproduction
10/25/2000CN1271161A Optical disc
10/24/2000US6137770 Disk cartridge which has a recess whose height indicates the type of disk contained by the cartridge
10/24/2000US6137752 Optical pickup device
10/24/2000US6137637 Prism-type objective lens for the pickup head of an optical disc drive capable of driving two types of optical discs
10/24/2000US6136401 Glass substrate of disk for recording information, a disk for recording information, and a disk device for recording information
10/24/2000CA2049768C Apparatus for recording compressed digital information to an optical disc
10/20/2000CA2306048A1 Data reproducing apparatus and method
10/19/2000WO2000062285A2 Laser device for the emission and collimation of a laser beam
10/18/2000EP1045392A2 Sampling clock apparatus for a data reproduction system
10/18/2000EP1045381A2 Magneto-optical disk
10/18/2000EP1045379A1 Optical disc
10/17/2000US6134626 Method and apparatus for recording data using multiple buffers
10/17/2000US6134209 Producing optical recording using optimum write power
10/17/2000US6134208 Optical pickup device with a plurality of laser couplers
10/17/2000US6134207 Optical data storage system having optical microswitch
10/17/2000US6134202 Dual format audio signal compression
10/17/2000US6134193 Translational, bias-field device for a magneto-optical system
10/17/2000US6132932 Optical recording medium comprising first and second metallic layers formed as opposed to an energy beam incident side of the recording layer and having different compositions; provide a good recording sensitivity and a reproduced signal
10/17/2000US6132862 Magneto-optical recording medium
10/17/2000US6132567 By depositing a metalloid on a light rare earth-transition metal alloy using a sputtering method
10/17/2000US6132524 Semiconductor magneto-optical material
10/12/2000WO2000060593A1 Erasable worm optical disk and method of writing thereto multiple times
10/12/2000WO2000059984A1 Optical quality polycarbonates with reduced static charge and method for making same
10/11/2000EP1043719A2 Internally-damped rotatable information storage article
10/11/2000EP1042788A1 Vacuum treatment installation
10/10/2000US6130867 Optical disc, optical disc device, and method for recording an optical disc
10/10/2000US6130865 Apparatus and method for positioning an optical head over a disk having spiral tracks with encoded address information
10/10/2000US6130864 Method and apparatus for generating magnetic field for magneto-optic recording system
10/10/2000US6130863 Slider and electro-magnetic coil assembly
10/10/2000US6130808 Hovering-type head slider and magnetic disc device
1 ... 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 ... 144