Patents
Patents for G11B 7 - Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power; Record carriers therefor (102,715)
10/2000
10/12/2000WO2000060588A1 Reproducer for disc-shape storage medium
10/12/2000WO2000060586A1 Erasable optical recording material for blue lasers
10/12/2000WO2000060585A1 Laser lens cleaner
10/12/2000WO2000060584A1 Method and device for recording marks in an information layer of an optical record carrier
10/12/2000WO2000059984A1 Optical quality polycarbonates with reduced static charge and method for making same
10/12/2000DE19961066A1 Schaltung für das Detektieren des Spiegelsignals in einem optischen Plattenlaufwerk und dafür geeignetes Verfahren Circuit for detecting the image signal in an optical disk drive, and suitable for this method
10/12/2000CA2368446A1 Erasable optical recording material for blue lasers
10/11/2000EP1043723A1 Information recording medium, information recording method, information recording apparatus and information reproducing apparatus
10/11/2000EP1043720A1 Heat mode recording element based on a thin metal layer
10/11/2000EP1043719A2 Internally-damped rotatable information storage article
10/11/2000EP1043718A1 Optical recording medium
10/11/2000EP1043717A2 Optical disk apparatus
10/11/2000EP1043716A2 A micromirror device and an optical pick-up using the same
10/11/2000EP1043715A2 Storage apparatus
10/11/2000EP1043714A2 Optical recording medium
10/11/2000EP1043713A2 Optical recording medium
10/11/2000EP1043684A1 Data carrier
10/11/2000EP1043615A1 Optical head and recording/reproducing device
10/11/2000EP1042788A1 Vacuum treatment installation
10/11/2000EP1042751A1 Optical scanning device and optical apparatus for reading and/or writing information in an information plane provided with such a device
10/11/2000EP1042750A1 Apparatus for reading and/or writing information from/onto an optical data carrier
10/11/2000EP1042749A1 Apparatus for reading an optical data carrier
10/11/2000EP0931175B1 Conveyor and delivery device
10/11/2000CN1269905A Method for regulating coating process
10/11/2000CN1269580A Optical take-up apparatus
10/11/2000CN1269579A Compatible optical pick-up device
10/11/2000CN1269578A Blind person's CD reader
10/11/2000CN1269524A Digital sound-recording on cine film
10/10/2000US6130874 Optical card information recording/reproducing apparatus with device for mounting optical card
10/10/2000US6130873 Optical pickup and servo control system for digital data storage
10/10/2000US6130872 Optical pickup apparatus
10/10/2000US6130871 Optical disk apparatus and optical disk
10/10/2000US6130870 Recording medium, recording apparatus, reproducing method, and reproducing device
10/10/2000US6130868 Apparatus and method for controlling rotational speed during a pause operation
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
10/10/2000US6130797 Magnetic recorder and magnetooptical recorder
10/10/2000US6130789 Optical scanning device comprising a lens system with a compact actuator
10/10/2000US6130779 Near field magneto-optical head made using wafer processing techniques
10/10/2000US6130418 Optical scanning unit having a main lens and an auxiliary lens
10/10/2000US6129968 Phase change recording medium and method for recording therein and reproduction therefrom
10/10/2000US6129283 Information reproduction apparatus for optically reading a code pattern from a recording medium and outputting desired information pieces of the read code pattern
10/10/2000CA2061374C Disc recording and/or reproducing method and apparatus
10/05/2000WO2000058961A1 Optical disc player
10/05/2000WO2000058960A1 Optical pickup
10/05/2000WO2000058959A1 Magneto-optical disk recorder or player, signal recording or reproducing method, and magneto-optical disk medium
10/05/2000WO2000058958A1 Locating information on an optical media disc to maximize the rate of transfer
10/05/2000WO2000058957A1 Method and apparatus for treating waste optical disk, optical disk
10/05/2000WO2000058907A1 Data carrier
10/05/2000WO2000058775A1 Optical digital waveform generator
10/05/2000WO2000058081A1 Dvd disc with four information layers, and method for making same
10/05/2000WO2000058068A1 Method for making a substrate for a digital versatile disc and digital versatile disc including the substrate
10/05/2000DE19958615A1 Magneto-optical type recording drive with improved phase compensation mechanism for recording traces so that different phase compensation is applied to peaks and grooves on a recording disk
10/05/2000DE19910248A1 Holographisches Aufzeichnungsmaterial The holographic recording material
10/05/2000DE19642346C2 Optischer Kopf für optisches Plattenlaufwerk An optical head for optical disk drive
10/05/2000CA2332037A1 Dvd disc with four information layers, and method for making same
10/04/2000EP1041563A1 Optical recording medium and recording method therefor
10/04/2000EP1041561A2 Information recording medium, information recording method,information recording apparatus and information reproducing apparatus
10/04/2000EP1041560A2 Information recording medium, information recording method, information recording apparatus and information reproducing apparatus
10/04/2000EP1041559A2 Information recording medium, information recording method, information recording apparatus and information reproducing apparatus
10/04/2000EP1041553A1 Apparatus for discriminating between different types of optical disc and method of discrimination therefor
10/04/2000EP1041549A1 Optical recording medium and process for producing the same
10/04/2000EP1041548A1 Recordable optical media with a silver-gold reflective layer
10/04/2000EP1041547A2 Non-true-circular optical disk
10/04/2000EP1041546A1 Compatible optical pickup
10/04/2000EP1041545A1 Optical head and drive device for optical recording medium
10/04/2000EP1041544A2 Optical recording/reproducing apparatus and seek method therefor
10/04/2000EP1041543A2 Method for controlling track jumps of optical pickup
10/04/2000EP1041542A2 Optical recording and reproducing of superimposed information
10/04/2000EP1040937A1 Write once optical information recording medium
10/04/2000EP1040900A1 Method of recovering optical disk substrate and optical disk substrate recovering apparatus
10/04/2000EP1040472A1 Optical disc and apparatus for scanning the optical disc
10/04/2000EP1040471A1 Optical disc and apparatus for scanning the optical disc
10/04/2000EP1040470A1 Optical disc and apparatus for scanning the optical disc
10/04/2000EP1040468A2 Opcode-driven buffer manager for use in data storage devices
10/04/2000EP1040388A2 Scatter noise reduction in holographic storage systems by speckle averaging
10/04/2000CN2399802Y 清洁装置 Cleaning device
10/04/2000CN2399800Y Multiple wave length bacteriopurpurin light reading, writing and erazing device
10/04/2000CN2399799Y Recordable VCD player
10/04/2000CN1269046A Device and method for mfg. optical recording medium
10/04/2000CN1268747A Multiple section CD disc, and recording and/or reproducing device and method
10/04/2000CN1268745A CD disc and recording/reproducing equipment and method used for recording digital general disc
10/04/2000CN1268743A Multi-layer CD disc
10/04/2000CN1268742A Optical recording medium
10/04/2000CN1268741A Optical information storage device with give phase compensation acording reprodued information recording track
10/04/2000CN1268740A CD disc driving device, CD driving method and CD disc device
10/04/2000CN1268739A Method for executing modularization read and write operation, and device therefor
10/04/2000CN1268737A CD disc, CD disc recording device and method, and device and method for reproducing
10/04/2000CN1268736A Device and method distinguishing CD disc
10/03/2000US6128388 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
10/03/2000US6128274 Optical recording disk capable of suppressing bimetallic effects caused by thermal expansion
10/03/2000US6128273 Optical phase-change disc
10/03/2000US6128272 Recording medium
10/03/2000US6128271 Optical recording medium
10/03/2000US6128270 Optical information recording medium capable of recording information on both track guide grooves and lands and optical information reproducing apparatus for optical information recording medium
10/03/2000US6128269 Optical disc, optical disc device, and method for recording an optical disc
10/03/2000US6128267 Active tracking method for optical disk storage
10/03/2000US6128266 DC offset removing circuit for magneto-optical recording medium
10/03/2000US6128261 Disk unit and rotating motor control apparatus for recordable optical disk unit
10/03/2000US6128260 Optical information recording medium and information recording method