Patents
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)
03/2000
03/29/2000EP0988632A2 Recording/reproduction and/or editing of real time information on/from a disc like record carrier
03/29/2000EP0988631A1 Laser assisted track width definition and radial control with magnetic recording
03/29/2000EP0602581B1 Recording and reproducing apparatus for data storage and/or audio
03/29/2000CN1249054A Information reproducer, information recorder and reference mark detection circuit
03/29/2000CN1248766A Compact disc, method and device for recording/reproducing additive information in CD
03/28/2000US6044436 Recording/reproducing apparatus including file management information
03/28/2000US6044056 Flying optical head with dynamic mirror
03/28/2000US6044055 Phase change recording apparatus having front and rear pulse changing means
03/28/2000US6044045 Magneto-optical head for information reading
03/28/2000US6044044 Magneto-optical recording medium having an enlarged magnetic domain in the amplifier layer during read-out
03/28/2000US6044043 Magneto-optical head capable of operation under inclination of the disc
03/28/2000US6044042 Method and apparatus for inverting a bias field for magneto-optic recording and erasing
03/28/2000US6044041 Recording and reproducing apparatus having a magneto-optical head with an objective lens and laser-beam-permeable member
03/28/2000US6043940 Optical system for optical recording
03/28/2000US6042954 Recording layer of alloy of gadolium, dysprosium and/or terbium, iron and cobalt
03/28/2000CA2045364C Magneto-optical disc
03/28/2000CA2034330C Recording apparatus for magneto-optical disc and disc cartridge misinsertion preventing mechanism
03/22/2000EP0987687A2 Optical disk and optical disk device
03/22/2000EP0986810A1 Apparatus for recording data in parallel tracks
03/22/2000CN1248042A Data corruption preventing method, record system and disk with capability of preventing destruction
03/22/2000CN1050675C Light modulator and optical head adjustment method
03/21/2000US6041031 Optical disc recording/reproduction apparatus and method
03/21/2000US6041024 Signal reproducing apparatus utilizing displacement of magnetic wall
03/21/2000US6040029 Glass substrate of disk for recording information, a disk for recording information, and a disk device for recording information
03/16/2000WO2000014733A1 Information recording/reproducing device
03/16/2000DE19943135A1 Magneto-optical recording substrate, e.g. for a high density rewritable optical mini-disk, comprises a metal layer between its magnetic reproduction layer and its magnetic recording layer
03/15/2000EP0985210A1 Near field magneto-optical recording system employing slit illumination
03/15/2000CN1050433C Tribo-attractive contact slider for optical read/write storage system
03/14/2000US6038201 Method and apparatus for retrieving information recorded on rewritable magneto-optical media
03/09/2000WO2000013178A1 Opto-magnetic recording medium and its manufacturing method, and opto-magnetic information recording/reproducing device
03/09/2000WO2000013177A1 Magneto-optic recording medium
03/09/2000WO1999063536A3 Very-high-density memory device utilizing a scintillating data-storage medium
03/08/2000EP0984445A1 Reproducing method for magneto-optic recording medium, and magneto-optic disk device
03/08/2000EP0984435A2 An optical information recording medium and an optical information recording/reproduction device
03/08/2000EP0983592A1 Method and apparatus for simultaneously recording and reproducing real time information on/from a disc like record carrier
03/08/2000CN1246954A Information recording/reproducing apparatus
03/08/2000CN1246705A Magneto optical recording medium
03/07/2000US6034938 Data storage system having an optical processing flying head
03/07/2000US6034932 Optical disc, optical disc device, and method for recording an optical disc
03/07/2000US6034797 Prism-type objective lens for the pickup head of an optical disc drive capable of driving two types of optical discs
03/07/2000US6034364 Optical disc system including focus capture assembly with focus error signal circuit and method for operating same
03/07/2000US6033538 Magneto-optical recording medium production method
03/07/2000CA2149977C Optical tape duplicator
03/02/2000WO2000011670A1 Heated head for data storage systems
03/02/2000WO2000011667A1 Hard disk vapor lube
03/01/2000EP0982716A1 Optical recording medium and master to produce it and optical recording and/or reproducing apparatus
03/01/2000CN1245955A Equipment for reproducing data from storage device
02/2000
02/29/2000US6031816 Optical recording medium, method for manufacturing the same, and optical information recording and reproducing device used with respect to the same
02/29/2000US6031810 Using two laser sources on a magneto-optical recording medium for preventing light intensity shortage
02/29/2000US6031803 Optical disk device and method for setting recording power and erasing power
02/29/2000US6031794 Magneto-optical recording medium and method of producing the same
02/29/2000US6031793 Magneto-optical recording medium with a layer to enlarge magnetic domains
02/29/2000US6031693 Sliding-type magnetic head for magnetooptical recording
02/29/2000US6030716 Magneto-optical recording medium and method of reproducing information recorded on such medium
02/24/2000WO2000010170A1 System and method for correcting interference errors in data encoded on storage media
02/24/2000WO2000010167A1 Detection of pulse peak instance and amplitude in a storage drive
02/24/2000WO2000009582A1 Highly pure polycarbonates and method for producing same
02/23/2000EP0981063A2 Polarizer, optical element, and optical head
02/22/2000US6028835 Integrated read/write head for ferroelectric optical storage
02/22/2000US6028828 Disk type recording medium and disk recording and reproducing device
02/22/2000US6028824 Magnetooptical recording medium allowing overwriting with two or more magnetic layers
02/22/2000US6028741 Magnetic head device which is capable of controlling a shift of a head main body
02/22/2000US6027825 Magnetooptical recording medium on which high-density information can be recorded and method of reproducing the recorded information
02/22/2000US6027594 Method of manufacturing optical information recording medium
02/17/2000WO2000008643A1 Pre-engraved substrate for magnetic, magneto-optical or phase transition optical disc, functioning by first surface recording in the lands, manufacturing method and resulting disc
02/17/2000WO2000008642A1 Catadioptric lens, optical head, and optical recording/reproducing apparatus
02/17/2000WO2000008638A1 Optical disc and apparatus for scanning the optical disc
02/17/2000WO2000008637A1 Optical disc and apparatus for scanning the optical disc
02/17/2000CA2305515A1 Optical disc and apparatus for scanning the optical disc
02/16/2000EP0979509A1 Disk cartridge with dual housing structure
02/16/2000EP0979508A1 Electro-optical storage system with flying head for near-field recording and reading
02/16/2000EP0676745B1 Magnetic head and magnetic head device
02/16/2000CN1244703A Magnetooptical recording medium and magnetooptical recording/replaying device
02/15/2000US6026070 Optical pickup device
02/15/2000US6026068 Optical disk apparatus
02/15/2000US6026064 Head driving apparatus and optical disk apparatus
02/15/2000US6025969 Method and apparatus for measuring head deviation and method and apparatus for recording/reproducing data
02/15/2000US6025866 Superresolution optical pickup apparatus
02/10/2000WO1999063530A8 A magneto-optical recording system employing linear recording and playback channels
02/09/2000EP0978834A2 Magneto-optical recording medium
02/09/2000EP0978833A2 Magneto-optical recording medium, and magneto-optical recording/reproducing apparatus
02/08/2000US6023394 Head slider and recording-and-reproducing apparatus
02/08/2000US6022943 Base-catalyzed polymerization of a diaryl carbonate and a dihydric phenol under conditions effective to produce a polycarbonate product having an endcap level of 90% or greater.
02/08/2000US6022630 Platinum and cobalt multilayer recording materials system and process for making same
02/08/2000US6022462 DC sputtering system
02/08/2000CA2066004C Multiple data surface optical data storage system
02/02/2000EP0977192A1 Optical recording device and optical recording medium
02/02/2000EP0977188A1 Optical disc, optical disc device, and method for recording an optical disc
02/02/2000EP0977187A1 Optical disc, optical disc device, and method for recording an optical disc
02/02/2000EP0977186A1 Optical disc, optical disc device, and method for recording an optical disc
02/02/2000EP0977185A1 Optical disc, optical disc device, and method for recording an optical disc
02/02/2000EP0592662B1 Electrostatic information recording and reproducing method
02/02/2000CN1243590A Method of processing signals for optical disk device and optical disk device
02/02/2000CN1049063C Optical head device and optical information apparatus
02/01/2000US6021108 Optical pickup device in recording and/reproducing apparatus
02/01/2000US6021100 Magneto-optic disk drive
02/01/2000US6020079 Magneto-optical recording medium and reproducing method for information recorded on the medium
02/01/2000US6019503 Method for identifying surface conditions of a moving medium
01/2000
01/27/2000WO2000004537A1 Magneto-optical preamplifier
01/26/2000EP0974965A1 Disc cartridge and disc recording and/or reproducing apparatus
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