Patents
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
04/2003
04/09/2003EP1300842A1 Method and system for authorized decryption of encrypted data using at least two certificates
04/09/2003EP1300767A1 Data recording method and apparatus, data record medium and data reproducing method and apparatus
04/09/2003EP1300019A2 Audio and/or video generation apparatus and method of generating audio and/or video signals
04/09/2003EP1299882A1 Method of recording and reproducing sample data to/from a recording medium and sample data containing recording medium
04/09/2003EP1299881A2 Information recording medium, information recording apparatus, information recording method, information reproduction apparatus and information reproduction method
04/09/2003EP1299880A2 Method and apparatus for controlling access to storage media
04/09/2003EP1016315A4 Sound capturing method and device
04/09/2003EP0818042B1 Adaptive compensation for hard disc drive spindle motor manufacturing tolerances
04/09/2003EP0804791B1 A cd-rom software protection system
04/09/2003EP0737387B1 Identification/authentication coding method and apparatus
04/09/2003CN1409924A Data recording method and data restoring method
04/09/2003CN1409923A Real time pause catch-up for disc medium
04/09/2003CN1409922A Multiple pause recording on rewritable disk medium
04/09/2003CN1409921A Outer to inner recording for pause function
04/09/2003CN1409896A Preparation of data for reed-solomon decoder
04/09/2003CN1409859A Multimedia Photo Albums
04/09/2003CN1409858A Copy feature for recordable DVD editing
04/09/2003CN1409857A Method for tracking defective sectors in writable disk media
04/09/2003CN1409856A Usage of SDRAM as storage for correction and track buffering in frontend ICS of optical recording or reproducing devices
04/09/2003CN1409551A Peripheral device of portable audio-visual device and broadcast audio-visual system
04/09/2003CN1409314A Fault detection capable of recording storage medium
04/09/2003CN1409313A Signal Process circuit
04/09/2003CN1409303A Detection device and program for optical disc
04/09/2003CN1409299A Optic disc device
04/09/2003CN1409298A Signal process circuit and demodulation circuit
04/09/2003CN1105421C Data transmission system, transmitter, data recording and reproducing apparatus and corresponding method
04/09/2003CN1105388C Multimedia optical disc corresponding to different rating systems of different countries, and method and apparatus for reproduction
04/09/2003CN1105387C Reproducing device and recording-reproducing device
04/09/2003CN1105386C Apparatus for reproducing audio signals for plurality of channels or languages from disc and method thereof
04/08/2003US6546519 Optical disc recording/reproducing method, optical disc and optical disc device
04/08/2003US6546518 Detector error suppression circuit and method
04/08/2003US6546504 System and method for providing streaming recording and playback of audio-video data
04/08/2003US6546502 Information recording method and apparatus of optical disc
04/08/2003US6546490 Signal transmision method
04/08/2003US6546460 Recording and/or reproducing method and apparatus
04/08/2003US6546458 Method and apparatus for arbitrarily large capacity removable media
04/08/2003US6546456 Method and apparatus for operating vehicle mounted disk drive storage device
04/08/2003US6546452 Information recording device and a method of recording information based on a relationship between an application layer, file system layer, and an optical disk drive layer
04/08/2003US6546384 Method of determining and storing indexing data on a sequential data storage medium for supporting random access of data files stored on the medium
04/08/2003US6546370 Recording medium with audio data from coder using constant bitrate real-time lossless encoding by moving excess data amounts
04/08/2003US6546195 Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween
04/08/2003US6546193 Reproduction apparatus for remote rental system and control method of said apparatus
04/08/2003US6546192 Recording medium, playback apparatus and recording/playback apparatus thereof
04/08/2003US6546191 Recording-reproducing apparatus for progress TV system
04/08/2003US6546188 Editing system and editing method
04/08/2003US6546112 Security document with steganographically-encoded authentication data
04/08/2003US6545965 Recording medium having adjacent pit trains in opposite phase, recording apparatus for the same, and reproducing apparatus for the same
04/08/2003US6545963 Data recording medium with a region for recording data, the region having a data recording area and a postamble area
04/08/2003US6545962 Optical reproducing method for reproducing information on an optical medium having groove structure with fixed cycle of wobble
04/08/2003US6545961 Optical reproducing method
04/08/2003US6545960 Information recording medium and method and apparatus for recording and reproducing information using the same
04/08/2003US6545833 Method to eliminate reassignments
04/08/2003US6545832 Disk drive capable of rereading same signal from disk in case of error in read signal
04/08/2003US6545830 Disk drive storing test pattern in calibration sectors that are longer than user data sectors for zone parameter calibration
04/08/2003US6545615 Device for encoding a stream of databits of a binary source signal into a stream of databits of a binary channel signal, memory means, device for recording information, record carrier, device for coding and device for playing back
04/08/2003US6543697 Information recording medium and information reproducing apparatus
04/03/2003WO2003028385A1 Recording and re-insertion of teletext data
04/03/2003WO2003028032A1 Recorder/reproducer and recording/reproducing method
04/03/2003WO2003028029A1 Recording medium, recording apparatus, reproduction apparatus, recording method, and reproduction method
04/03/2003WO2003028028A1 Method and apparatus for recording video data, and information storage medium thereby
04/03/2003WO2003028027A1 Data output method, recording method and apparatus, reproduction method and apparatus, data transmission method and reception method
04/03/2003WO2003028026A1 Method and apparatus for content protection across an interface
04/03/2003WO2003028025A1 A system for real time data encryption
04/03/2003WO2003027988A1 Method for working out the behavioural strategy of a player using a cognitive virtual reality, device for carrying out said method and an information-carrying medium for said device
04/03/2003WO2003027905A1 Removable active application specific medium
04/03/2003WO2003027904A2 Method and system for providing a unified data exchange and storage format
04/03/2003WO2003027849A2 Double error correcting code system
04/03/2003WO2002098670A3 Marking articles using a covert digitally watermarked image
04/03/2003WO2002039283A3 Adaptive pre-fetching of data from a disk
04/03/2003US20030066084 Apparatus and method for transcoding data received by a recording device
04/03/2003US20030066023 Asymmetric error correction apparatus and method, and clock recovering apparatus for optical reading system employing the same
04/03/2003US20030066020 Recording and reproducing apparatus, signal decoding circuit, error correction method and iterative decoder
04/03/2003US20030066017 Storage device and error correction method thereof
04/03/2003US20030066014 Coding for informed decoders
04/03/2003US20030066013 Method and apparatus for protecting against errors occurring in data storage device buffers
04/03/2003US20030066011 Out-of-order calculation of error detection codes
04/03/2003US20030066010 Xor processing incorporating error correction code data protection
04/03/2003US20030066008 Coding apparatus and decoding apparatus for transmission/storage of information
04/03/2003US20030066007 Coding apparatus and decoding apparatus for transmission/storage of information
04/03/2003US20030066006 ECC code mechanism to detect wire stuck-at faults
04/03/2003US20030065992 Method and apparatus to control head instability in a data storage system
04/03/2003US20030065925 Information recording apparatus having function of encrypting information
04/03/2003US20030065872 Physical zone table for use with surface-based serpentine format
04/03/2003US20030065682 Removable active application specific medium
04/03/2003US20030065621 Rendering device, recording device, copy control method, and program
04/03/2003US20030065518 Optical recording medium having losslessly encoded data
04/03/2003US20030063897 Information storage medium with user defined file containing reproducing information, apparatus and method therefor
04/03/2003US20030063895 Recording-reproducing apparatus for progress tv system
04/03/2003US20030063747 Apparatus and method for embedding and extracting information in analog signals using distributed signal features and replica modulation
04/03/2003US20030063746 Signal, storage medium, method and device for recording signal; method and device for reproducing signal
04/03/2003US20030063668 Device and method for compressing images
04/03/2003US20030063627 Synchronization control device
04/03/2003US20030063570 Data-update apparatus, reproduction apparatus, data-addition apparatus, data-detection apparatus and data-removal apparatus
04/03/2003US20030063546 Information recording device, information recording method, information reproducing device, information reproducing method, record medium, and information record medium with programs computer-readably recorder
04/03/2003US20030063545 Information recording/reproducing device and a method of recording a lead-out
04/03/2003US20030063544 Optical disk recording apparatus with adaptive power control of laser beam
04/03/2003US20030063541 Optical information recording and reproducing system with overwrite capability and recording medium for use therewith
04/03/2003US20030063540 Optical recording method
04/03/2003US20030063406 Data channel for processing user data and servo data in a disk drive adopting perpendicular magnetic recording system
04/03/2003US20030063405 Method and apparatus for detecting media defects