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)
11/2002
11/06/2002EP1104431B1 Metallocenyl phthalocyanines
11/06/2002EP1016080B1 Optical spot generation device for recording medium
11/06/2002EP0923070B1 Optical disc recording and reproducing apparatus
11/06/2002CN2519984Y Portable CD-RW with CD player
11/06/2002CN2519982Y Normal CD-RW based USB 2.0 portable CD-RW
11/06/2002CN1378693A Optical data carrier in form of disk
11/06/2002CN1378691A Allocating real time data on disk like recording medium
11/06/2002CN1378689A Optical disc medium, recording method thereof and recorder
11/06/2002CN1378687A Recording head, method of manufacturing recording head, information recording device
11/06/2002CN1378686A Optical recording medium, optical recording method, optical reading method
11/06/2002CN1378208A 光学装置 Optical device
11/06/2002CN1378207A Light source device of optical head
11/06/2002CN1378206A An optical head device using single objective lens
11/06/2002CN1378205A An optical head device using single lens
11/06/2002CN1378204A Compatible recording and/or reproducing device
11/06/2002CN1378203A Optical pick-up device
11/06/2002CN1378202A Inclination detector and method of detecting inclination
11/06/2002CN1093977C Disc player
11/06/2002CN1093975C Optical pick-up
11/06/2002CN1093974C Hologram optical pick-up using two laser source
11/06/2002CN1093973C Substitution treating method
11/05/2002US6477136 Optical recording medium
11/05/2002US6477135 Optical information recording medium and method for recording and reproduction information thereon
11/05/2002US6477134 Security marking system and method for minimizing pirating of data on data media including compact discs and digital versatile discs
11/05/2002US6477131 Head amplifier and an optical disk device using the same
11/05/2002US6477130 Optical pick-up apparatus
11/05/2002US6477129 Optical disc drive
11/05/2002US6477127 Recording/playback apparatus capable of carrying out linking on optical disk, and optical disk recorded with linked data
11/05/2002US6477126 Optical recording medium and method of assigning its spare area
11/05/2002US6477125 Decoding apparatus
11/05/2002US6477124 Varying the rate at which data appear on an optical disc rotated at a constant linear velocity to prevent unauthorized duplication of the disc
11/05/2002US6477122 Optical disk device
11/05/2002US6477118 Method and apparatus for recording and reproducing information by applying field in a direction other than the direction of magnetization or the direction to a surface of an information recording medium
11/05/2002US6477014 Multilayered suspension with conductive lead structure extending beyond base layer
11/05/2002US6476993 Signal processing apparatus and method wherein control signals and power signals are superimposed
11/05/2002US6475590 Optical recording medium or the infrared ray screening filter.
11/05/2002US6475589 Colored optical discs and methods for making the same
11/05/2002US6475588 Colored digital versatile disks
11/02/2002CA2628880A1 Optical disc having uniform structure
11/02/2002CA2628202A1 Optical disc having uniform structure
11/02/2002CA2628188A1 Optical disc having uniform structure
11/02/2002CA2628042A1 Optical disc having uniform structure
11/02/2002CA2628041A1 Optical disc having uniform structure
11/02/2002CA2628033A1 Optical disc having uniform structure
11/02/2002CA2628010A1 Optical disc having uniform structure
11/02/2002CA2627810A1 Optical disc having uniform structure
10/2002
10/31/2002WO2002086899A1 A holder for an optically readable information disc
10/31/2002WO2002086891A1 Recording and/or reproducing device
10/31/2002WO2002086885A1 Record carrier and apparatus for scanning the record carrier
10/31/2002WO2002086882A1 Magneto-optic record medium
10/31/2002WO2002086881A1 Optical information recording medium and information reproducing method
10/31/2002WO2002086880A1 Multilayer optical data store medium
10/31/2002WO2002086879A1 Optical data support comprising a hemicyanin dye in the information layer as light-absorbing compound
10/31/2002WO2002086878A2 Optical data carrier whose information layer contains a light-absorbing compound having a number of chromophoric centers
10/31/2002WO2002086877A1 An optically readable information disc
10/31/2002WO2002086876A1 Optical lens system comprising at least one lens of a synthetic material
10/31/2002WO2002086875A1 Scanning device including a partly plastic high-na objective system
10/31/2002WO2002086874A1 Scanning device including plastic high-numerical aperture objective
10/31/2002WO2002086873A1 Optical disc, information recording/reproduction method and information recording/reproduction apparatus using the same
10/31/2002WO2002086592A1 Element for the combined symmetrization and homogenization of a bundle of beams
10/31/2002WO2002086577A1 Objective lens, optical head apparatus, optical information recording/reproducing apparatus
10/31/2002WO2002085605A1 Methods for embossing and embossed articles formed thereby
10/31/2002WO2002085537A2 Spin coating process
10/31/2002WO2002069014A8 Optical pickup-use object lens, optical pickup and optical disk unit
10/31/2002WO2002019332A3 Optical disc and physical address format
10/31/2002WO2002010831A3 Differential interferometric scanning near-field confocal microscopy
10/31/2002WO2001058102A9 Dc control of a multilevel signal
10/31/2002WO2001057857A9 Generating a multilevel calibration sequence for precompensation
10/31/2002US20020161948 Disk with disk drive
10/31/2002US20020160312 Developing the latent image in a protrusion/depression pattern to produce the master and having a light absorbing layer that absorbs light half the wavelength of laser beam; fine pattern having a minimum width of about half a wavelength
10/31/2002US20020160307 Multilayer; stacks of reflective layer; dielectrics; amorphous layer; recording layer and coverings
10/31/2002US20020160306 Optical information recording medium and method
10/31/2002US20020160305 Optical recording medium, method of writing and erasing information using the same, and process of producing the same
10/31/2002US20020160304 Optical recording media; focusing laser beams; crystallizing marking zones
10/31/2002US20020160141 Phase-change optical information recording medium and information recording and reading method using the recording medium
10/31/2002US20020160100 Method for regulating a coating process utilizing the intensity of a light bundle
10/31/2002US20020159591 The copy protection of digital audio compact discs
10/31/2002US20020159382 Rewritable optical disk with spare area and optical disk processing apparatus
10/31/2002US20020159380 Method of sampling wobble components and disk drive unit executing the method
10/31/2002US20020159379 Substrate unit for optical head and method for manufacturing the same
10/31/2002US20020159378 Optical pickup apparatus and optimal light spot focusing method
10/31/2002US20020159377 Optical pickup apparatus and objective lens
10/31/2002US20020159376 Information recording medium, information reproduction apparatus, and information reproduction method
10/31/2002US20020159370 Information recording medium, information reproduction apparatus, and information recording apparatus
10/31/2002US20020159368 Information recording medium on which sector data generated from ECC block is recorded, information recording apparatus for recording sector data, and information reproduction apparatus for reproducing sector data
10/31/2002US20020159366 Optical recording method and optical recording medium
10/31/2002US20020159364 Laser control device
10/31/2002US20020159363 Optical disc drive and method for determining type thereof
10/31/2002US20020159362 An optical disk having an attribute wihich designates whether a recording area permits rewriting or not
10/31/2002US20020159361 Optical disk, and recording/reproducing apparatus and recording method for optical disk
10/31/2002US20020159360 Optical disk, and recording/reproducing apparatus and recording method for optical disk
10/31/2002US20020159359 Optical disk, and recording/reproducing apparatus and recording method for optical disk
10/31/2002US20020159358 Optical disk, and recording/reproducing apparatus and recording method for optical disk
10/31/2002US20020159357 Optical disk, and recording/reproducing apparatus and recording method for optical disk
10/31/2002US20020159356 Device and program for checking optical disks
10/31/2002US20020159355 Copy protection of digital audio compact discs
10/31/2002US20020159353 Data storage apparatus that either certifies a recording medium in the background or verifies data written in the recording medium
10/31/2002US20020159352 Optical disc recording apparatus with realtime updating of strategy
10/31/2002US20020159351 Rotation controlling apparatus for optical recording medium
10/31/2002US20020159350 Digital recorded data reproducing device