Patents
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
05/2003
05/15/2003US20030093723 Data recording method and data recording apparatus
05/15/2003US20030093665 Method and system for protecting ownership rights of digital content files
05/15/2003US20030093640 Data throughput for a disc drive
05/15/2003US20030093639 Information processing device, information processing method and information recording medium and system for information processing
05/15/2003US20030093634 Data recording method, data recorder, and recording medium
05/15/2003US20030093618 Disc drive and recording-disc loading control method
05/15/2003US20030093596 Recording method for improving interrupted interference
05/15/2003US20030093474 Group contacting system, and recording medium for storing computer instructions for executing operations of the contact system
05/15/2003US20030091342 Information processing apparatus for executing format conversion
05/15/2003US20030091339 Data recording apparatus, data recording method, data recording and reproducing apparatus, data recording and reproducing method, data reproducing apparatus, data reproducing method, data record medium, digital data reproducing apparatus, digital data reproducing method, synchronization detecting apparatus, and synchronization detecting method
05/15/2003US20030091338 Method and apparatus for extracting digital data from a medium
05/15/2003US20030091337 Digital video recorder and methods for digital recording
05/15/2003US20030091336 Method of copying compressed digital data
05/15/2003US20030091330 Data recording apparatus
05/15/2003US20030091327 Monitor recording and reproducing device
05/15/2003US20030091326 Signal processing system, signal outputting device, signal inputting device, and communication control method
05/15/2003US20030091324 Signal processing method, signal processing device, signal processing system, and machine-readable recorded medium on which information on control of signal processing device is recorded
05/15/2003US20030091322 System for synchronizing the playback of two or more connected playback devices using closed captioning
05/15/2003US20030091187 Apparatus and method for reading or writing user data
05/15/2003US20030091186 Apparatus and method for reading or writing user data
05/15/2003US20030090980 Signal quality evaluation method, information recording/reproducing system, and recording compensation method
05/15/2003US20030090977 Record carrier and apparatus for scanning the record carrier
05/15/2003US20030090975 Recording apparatus and recording method
05/15/2003US20030090971 Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus
05/15/2003US20030090946 Information processing apparatus and recording control method including erroneous-erasure prevention feature
05/15/2003US20030090827 Optimized sparing table and method
05/15/2003US20030090825 Record carrier and apparatus for scanning the record carrier
05/15/2003US20030090698 Processing copy protection signals
05/15/2003US20030090403 Data reproduction device with simplified circuit structure
05/15/2003US20030090275 Determining a continuous-time transfer function of a system from sampled data measurements with application to disk drives
05/15/2003DE19936840C2 Verfahren zur Handhabung von Fehlern in einer optischen Platte, eine optische Plattenvorrichtung und eine optische Platte A method for handling errors in an optical disk, an optical disk apparatus and an optical disk
05/15/2003CA2465787A1 Optical disk, card or media and method for coating of said optical disk, card or media
05/15/2003CA2465765A1 Recording medium and methods of and device for recording information on the recording medium
05/14/2003EP1311129A2 Information processing apparatus for executing format conversion
05/14/2003EP1311115A1 Method for recording digital video broadcast data, and digital video recorder
05/14/2003EP1310957A2 Information record medium, apparatus for recording the same and apparatus for reproducing the same
05/14/2003EP1310875A2 Disk array subsystem and data generation method therefor
05/14/2003EP1310874A2 Fly-by XOR
05/14/2003EP1310093A2 Method and apparatus for enhancing chroma distortion in a video copy protection signal
05/14/2003EP1309972A1 Method and arrangement for concealing errors
05/14/2003EP1204972B1 A digital video processing and storage system for video, audio and ancillary data
05/14/2003EP1169700A4 Writable optical drive with dynamically variable linear velocity to prevent buffer under-run
05/14/2003EP0927395B1 Fly-by xor
05/14/2003EP0852055B1 Method and apparatus for reading data from a disc carrier
05/14/2003EP0842577B1 Method of encoding an input value for transmission through partial response channels
05/14/2003EP0678226B1 Transmission and reception of a first and a second signal component
05/14/2003CN2550878Y Portable recordable DVD machine
05/14/2003CN1418430A Method and apparatus for simultaneous recording and displaying two different video programs
05/14/2003CN1418429A Method and apparatus for simultaneous recording and displaying two different video programs
05/14/2003CN1418406A Method and apparatus for protecting lossless transmission of data stream
05/14/2003CN1418404A Clock generation circuit and integrated circuit for reproducing an audio signal comprsing such a clock generation circuit
05/14/2003CN1418363A Method for distribution of data marks on medium, and method and apparatus for the holdgraphic recording and readout of data
05/14/2003CN1418334A Audio controller for portable electronic devices
05/14/2003CN1418010A Method and equipment for recording digital broadcast program and playing back the program based on time
05/14/2003CN1417963A Image information outputting and receiving equipment and image informetion outputting and sending method
05/14/2003CN1417794A Correcting data management system
05/14/2003CN1417793A Signal quality evaluating method, information record/recovery system and record correcting method
05/14/2003CN1417792A Copying method of compressed digital data
05/14/2003CN1417790A Signal processing method and device, signal reproducing method and device and record medium
05/14/2003CN1417779A Biphasic mark playback device and CD driver
05/14/2003CN1108673C Additional information superimposing device
05/14/2003CN1108663C Digital signal processing method and apparatus
05/14/2003CN1108612C Multimedium optical disk reproduction device and method
05/14/2003CN1108611C 信息记录装置和信息输出装置 An information recording apparatus and an information output means
05/14/2003CN1108604C Transmit method of identification data for servo control and disk player thereof
05/14/2003CN1108564C Sampling frequency changing device
05/13/2003US6564352 Error detection circuit applicable to a disk reproduction apparatus
05/13/2003US6564345 Method for creating defect management information in an recording medium, and apparatus and medium based on said method
05/13/2003US6564338 Information recording medium, and method and apparatus for managing defect thereof
05/13/2003US6564322 Method and apparatus for watermarking with no perceptible trace
05/13/2003US6564293 Spare area management method of optical recording medium
05/13/2003US6564292 Optimizing allocation of sectors in disc drives
05/13/2003US6564291 Multi-function peripheral storage device buffer system
05/13/2003US6564009 Apparatus for recording and/or reproducing data onto and/or from an optical disk and method thereof
05/13/2003US6564008 Digital video recording/playback system with entry point processing function
05/13/2003US6564007 Information storage system capable of recording and playing back a plurality of still pictures
05/13/2003US6564004 Reproducing apparatus and reproducing method
05/13/2003US6564001 Code multiplexing/reading apparatus for preventing outputting an erroneous code
05/13/2003US6563889 Method and apparatus for adapting the boost of a read channel filter
05/13/2003US6563776 Information storage apparatus for monitoring a number of defective sectors included in a zone so as to select a substitutional area from a different zone
05/13/2003US6563656 Disk device and method of generating signal representing head
05/13/2003US6563655 Method and apparatus for failsafing and extending range for write precompensation
05/13/2003US6563527 Information recording method and information reproducing method, recording medium for use in the methods, and information recording apparatus and information reproducing apparatus
05/13/2003US6561419 Magnetic code reading device and magnetic code reading method
05/13/2003CA2158021C Copy protection for hybrid digital video tape recording and unprotected source material
05/08/2003WO2003039089A1 Zf-based adaptive asynchronous receiver
05/08/2003WO2003038826A2 Information recording medium, information recording apparatus, information reproducing apparatus, and copying apparatus
05/08/2003WO2003038823A1 Multiple session dvd storage media
05/08/2003WO2003038822A1 Data recording method, recorder, and data reproducing method and device
05/08/2003WO2003038821A1 Record medium, recording method and apparatus for record medium, and reproducing method and apparatus for record medium
05/08/2003WO2003038820A1 Data-update apparatus, reproduction apparatus, data-addition apparatus, data-detection apparatus and data-removal apparatus
05/08/2003WO2003038814A2 Changing a playback speed for video presentation recorded in a modified film format
05/08/2003WO2003038572A2 System and method for protecting a peripheral device against hot plug attacks
05/08/2003WO2003038571A1 Method, system, device and computer program for mutual authentication and content protection
05/08/2003WO2003038567A2 Digital audio device
05/08/2003WO2002085021A3 Method for playing back multimedia data by means of an entertainment device
05/08/2003US20030088819 Error correction/decoding method
05/08/2003US20030088813 Targeted data protection
05/08/2003US20030088784 Systems and methods for secure transaction management and electronic rights protection
05/08/2003US20030088775 Method and apparatus to prevent the unauthorized copying of digital information