Patents
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
11/2004
11/10/2004EP1475966A2 Video recording apparatus, recording medium, video recording method, and program
11/10/2004EP1475965A2 Recording and reproduction apparatus and recording method
11/10/2004EP1475801A1 Storage apparatus and storage medium
11/10/2004EP1475800A1 Device for reading out and/or testing rotating matrices or optical storage media
11/10/2004EP1475799A1 Data storage method and apparatus
11/10/2004EP1475798A1 Data processor, data processing method, program for data processor, and program recording medium
11/10/2004EP1475797A2 Reading and/or test of an arrangement with an opto-electronic sensorsystem for optical storage media
11/10/2004EP1475788A1 Mastering device, disc manufacturing method, disc-shaped recording medium, disc reproduction device, and disc reproduction method
11/10/2004EP1475242A1 Authentication method and system
11/10/2004EP1474920A2 An apparatus and a record carrier for, and a method of recording a sequence of video data signals
11/10/2004EP1474802A1 Method and apparatus for addressing data segments on a recording medium for replay
11/10/2004EP1474800A1 Information recording device and method, information reproducing device and method, recording medium, program, and disc recording medium
11/10/2004EP1183605B1 System and method for protecting data and correcting bit errors due to component failures
11/10/2004CN1545807A Signal recording/reproducing apparatus, signal recording/reproducing method, signal reproducing apparatus, signal reproducing method, and program
11/10/2004CN1545806A Contents reproducer and method, recording medium and program
11/10/2004CN1545331A Auto-configuration for instrument setting
11/10/2004CN1545314A Television set having hard disk digital video recording function
11/10/2004CN1545309A Auto-configuration for instrument setting
11/10/2004CN1545095A Optical disk recording/controlling method, drive device and recording system
11/10/2004CN1545094A 记录介质 Recording medium
11/10/2004CN1545093A Optical recording carrier and device for scanning thereof
11/10/2004CN1545092A Sampling method and device for CD data
11/10/2004CN1545088A Optical disk and method of manufacturing an optical disk
11/10/2004CN1545085A Data processing of a bitstream signal
11/10/2004CN1175665C Recording/reproducing method and apparatus, for signal having copy control information
11/10/2004CN1175416C Reproducing method of digital multipurpose disc voice frequency disc
11/10/2004CN1175415C Digital multipurpose disc voice frequency disc of storage voice frequency data and reproducing device
11/10/2004CN1175414C Method and apparatus of ebedding and detecting watermarks in one-dimensional information signals
11/10/2004CN1175413C Method and apparatus for offering or recording-replaying content data
11/10/2004CN1175402C Disc defects management method
11/10/2004CN1175399C Magnetic recorder/reproducer
11/10/2004CN1175346C Method for transmitting data
11/09/2004US6816981 Disk array device including a memory with backup power supply and method thereof
11/09/2004US6816972 Disk recording medium, reproduction device and method for performing reproduction on disk recording medium
11/09/2004US6816967 Electronic equipment and data processing method therefor
11/09/2004US6816942 Storage control apparatus and method for compressing data for disk storage
11/09/2004US6816549 Method for protection of data reproduction according to medium protection data and first and second apparatus protection data to determine whether main data are reproduced in their entirety, partially, or not at all and a range of protection level therefor
11/09/2004US6816547 Waveform equalizer
11/09/2004US6816491 Multiplexed audio data decoding apparatus and receiver apparatus
11/09/2004US6816447 Creation of synchronization marks in multilevel optical data storage
11/09/2004US6816446 Optical recording apparatus and method for displaying residual space on optical recording medium
11/09/2004US6816444 Method and apparatus for digital information processing
11/09/2004US6816415 Additional information read/write system, additional information read/write method, additional information read/write program, computer-readable program storage medium storing additional information read/write program, and id/additional information distributing apparatus.
11/09/2004US6816344 Composite magnetic head arranged so the reproducing elements do not overlap a pole of a recording element
11/09/2004US6816329 Data reproducing unit, data reproducing method of the same, and a magnetic recording/reproducing apparatus
11/09/2004US6816328 Pseudo-synchronous interpolated timing recovery for a sampled amplitude read channel
11/09/2004US6816093 Apparatus method and system for increased digital media recording throughput
11/04/2004WO2004095841A1 Content reproduction method
11/04/2004WO2004095836A1 Data processing device
11/04/2004WO2004095835A1 System for identification and revocation of audiovisual titles and replicators
11/04/2004WO2004095834A1 Information processing device and information processing method, program storage medium, and program
11/04/2004WO2004095512A2 Sample and hold circuits and methods with offset error correction and systems using the same
11/04/2004WO2004095455A1 Recording medium, reproducing apparatus, recording method, reproducing program, and reproducing method
11/04/2004WO2004095454A1 Reproduction apparatus and method
11/04/2004WO2004095453A1 Method and apparatus for synchronous reproduction of main contents recorded on an interactive recording medium and additional contents therefor
11/04/2004WO2004095452A2 Aggregation system
11/04/2004WO2004095451A1 Input data recorder and input data recording method
11/04/2004WO2004095450A1 Function validating recording medium, function validating device, control device, and function validating system
11/04/2004WO2004095449A1 Information processing device and information processing method
11/04/2004WO2004095448A1 Copy-protected data carrier
11/04/2004WO2004095447A1 An optical data carrier
11/04/2004WO2004095439A1 Method for managing copy protection information of recording medium
11/04/2004WO2004095437A1 Optical data recording method and optical disc drive
11/04/2004WO2004095285A1 Recording medium, recording device using the same, and reproduction device
11/04/2004WO2004095253A1 Partition selection for universal storage device
11/04/2004WO2004095161A2 Method for managing copy protection information of recording medium
11/04/2004WO2004081933A3 A copy-protected compact disc and method for producing same
11/04/2004WO2004081719A3 Methods and systems for digital rights management of protected content
11/04/2004US20040221321 Method of managing and playing title of medium, medium, and medium drive
11/04/2004US20040221161 Methods and systems for steganographic processing
11/04/2004US20040220879 System and method for controlling the use and duplication of digital content distributed on removable media
11/04/2004US20040220806 Audio signal processing apparatus
11/04/2004US20040218909 Recording medium of stream data, and recording method and playback method of the same
11/04/2004US20040218908 Information recording medium, apparatus for recording the same and apparatus for reproducing the same
11/04/2004US20040218906 System and method for copy protection for digital signals
11/04/2004US20040218900 Authentication system and method for an interactive optical disc
11/04/2004US20040218897 AV system having a copyright protection function
11/04/2004US20040218896 Signal recording/reproducing apparatus, signal recording/reproducing method, signal reproducing apparatus, signal reproducing method, and program
11/04/2004US20040218704 Timing adjusting apparatus
11/04/2004US20040218700 Digital implementation of multi-channel demodulators
11/04/2004US20040218514 Audio system
11/04/2004US20040218506 Low cost detection of wobble inversions using a tuned circuit
11/04/2004US20040218492 Audio signal recording medium and recording and reproducing apparatus for recording medium
11/04/2004US20040218491 Optical recording medium, recording apparatus and method for optical recording medium, and reproducing apparatus and method for optical recording medium
11/04/2004US20040218490 Information recording medium
11/04/2004US20040218489 Method and circuit for detecting playback signal which is compensated for time delay
11/04/2004US20040218488 Method and apparatus for managing defects in recording media, a computer readable medium including computer readable code for the same, and a defect managed recording medium obtained using the same method, appartus, and computer readable medium
11/04/2004US20040218487 Apparatus and method for reproducing replacement data recorded on a disc
11/04/2004US20040218301 Low Power Servo Mode Write Driver
11/04/2004US20040218300 Apparatus and method to read information from a tape storage medium
11/04/2004US20040218214 Data processing apparatus, data processing method, terminal unit, and transmission method of data processing apparatus
11/04/2004US20040218035 Mixed-media telecommunication call set-up
11/04/2004US20040217888 Encoding apparatus and method, recording medium and program
11/04/2004CA2523143A1 Method for managing copy protection information of recording medium
11/03/2004EP1473945A2 Information recording medium, information recording/playback method, and information recording/playback apparatus
11/03/2004EP1473935A1 Information processing apparatus and method
11/03/2004EP1473934A2 Video data recording/reproducing apparatus and video data management method for use in the same
11/03/2004EP1473731A2 Reproducing apparatus
11/03/2004EP1473730A1 Optical disk medium and method and apparatus for reading information
11/03/2004EP1473728A1 Data edition method and data edition device