Patents
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
12/2002
12/03/2002US6489909 Method and apparatus for improving S/N ratio in digital-to-analog conversion of pulse density modulated (PDM) signal
12/03/2002US6489851 Phase locked loop circuit
12/03/2002US6489738 Method and apparatus for predicting failure of a disk drive
11/2002
11/28/2002WO2002095753A2 Method for individually controlling and influencing the playback from a data recording medium
11/28/2002WO2002095751A1 Recording method, recording apparatus, and recording medium
11/28/2002WO2002095750A1 Disc drive and disc drive method
11/28/2002WO2002095749A1 Data recording medium, data recording apparatus and method, and data reproducing apparatus and reproducing method
11/28/2002WO2002095748A2 Record carrier with hidden channel
11/28/2002WO2002095747A1 Method for recording, for distributing and reproducing information recorded on data carriers
11/28/2002WO2002095743A1 Optical storage medium
11/28/2002WO2002095741A1 An optical disc and method for recording data thereon to prevent unauthorized duplication
11/28/2002WO2002095735A2 Apparatus and method for digital content concealment in a storage medium recorded using a recording device
11/28/2002WO2002095550A2 A security device useful for physically securing digital data storage media, and a method of use thereof
11/28/2002WO2002082457A3 Hybrid data storage system
11/28/2002WO2002025645A3 Optical disc and a reproduction method, reproduction apparatus, and recording apparatus for the same
11/28/2002WO2000074245A3 Method and system for encoding user data, in addition to computer products and computer-readable storage media
11/28/2002US20020178421 Programmable multi-level track layout method and system for optimizing ECC redundancy in data storage devices
11/28/2002US20020178406 Method of optimizing design parameters of data storage system and method of applying optimized design parameters
11/28/2002US20020178328 Storage subsystem
11/28/2002US20020178145 Information distribution method, information distribution system and information distribution apparatus
11/28/2002US20020177996 Frequency converter system
11/28/2002US20020176697 Computer-readable storage medium
11/28/2002US20020176696 Playback apparatus
11/28/2002US20020176695 Information record medium, apparatus for recording the same and apparatus for reproducing the same
11/28/2002US20020176693 Recording medium containing moving picture data and additional information thereof and reproducing method and apparatus of the recording medium
11/28/2002US20020176691 Recording apparatus, data managing apparatus and data managing method
11/28/2002US20020176601 Audio with hidden in-band digital data
11/28/2002US20020176576 Data recording apparatus, data recording method, and data transfer system
11/28/2002US20020176575 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media
11/28/2002US20020176524 Ingress noise reduction in a digital receiver
11/28/2002US20020176523 Method and apparatus for word synchronization with large coding distance and fault tolerance for PRML systems
11/28/2002US20020176345 Information recording method and apparatus
11/28/2002US20020176344 Data reproduction apparatus
11/28/2002US20020176343 Information playback apparatus
11/28/2002US20020176341 Recording medium for storing write protection information and write protection method thereof
11/28/2002US20020176340 Optical disc reproduction apparatus
11/28/2002US20020176336 Optical disc apparatus
11/28/2002US20020176328 Recording media library apparatus with a function to detect a position of a recording medium tranferred in the library
11/28/2002US20020176327 Information playback apparatus
11/28/2002US20020176299 High-speed zero phase restart of a multiphase clock
11/28/2002US20020176198 Write output driver with internal programmable pull-up resistors
11/28/2002US20020176197 Method and apparatus for compensation of second order distortion
11/28/2002US20020176196 Method and apparatus for operating a continuous time filter of a read/write channel for a hard disk drive
11/28/2002US20020176195 Low amplitude skip write detector
11/28/2002US20020176194 High-speed programmable synchronous counter for use in a phase locked loop
11/28/2002US20020176193 Method and apparatus providing variable spin pad lengths
11/28/2002US20020176190 View DAC feedback inside analog front circuit
11/28/2002US20020176189 Input/output multiplex system for a read/write channel in a disk drive
11/28/2002US20020176188 Offset cancellation of charge pump based phase detector
11/28/2002US20020176186 Efficient analog front end for a read/write channel of a hard disk drive running from a highly regulated power supply
11/28/2002US20020176184 Diagnostic system for a read/write channel in a disk drive
11/28/2002US20020176005 Image recording apparatus
11/28/2002US20020175842 Device for encoding n-bit source words into corresponding m-bit channel words and decoding m-bit channel words into corresponding n-bit source words
11/28/2002US20020175771 Ultra low jitter clock generation device and method for storage drive and radio frequency systems
11/28/2002US20020175724 Method and system for managing a pulse width of a signal pulse
11/28/2002US20020175723 Low voltage charge pump for use in a phase locked loop
11/28/2002DE10124702A1 Individual control and influence of film sequence reproduction from data recording medium involves superimposing menu controler on existing data recording medium menu program
11/28/2002DE10123377A1 Reading data stored on data tape involves reading out parameters describing structure of label depending on data tape type, identifying , reading out label using parameter describing label
11/28/2002CA2447221A1 Method for individually controlling and influencing the playback from a data recording medium
11/27/2002EP1261215A1 Digital video and audio signal recording and/or reproducing devices
11/27/2002EP1261206A2 Transmitting/receiving control method and device therefor
11/27/2002EP1261204A2 Method and apparatus for data reproduction
11/27/2002EP1261202A2 Method and apparatus for recording and reproducing video information
11/27/2002EP1261137A2 Method for coding and decoding a data stream
11/27/2002EP1260987A2 Information playback apparatus
11/27/2002EP1260986A2 Recorded information managing apparatus and recorded information managing method
11/27/2002EP1260985A1 Method and apparatus for editing a data stream on a DVD recorder
11/27/2002EP1260983A2 Recording medium defect managemant
11/27/2002EP1260982A2 Recording medium defect management
11/27/2002EP1260981A2 Recording medium defect management
11/27/2002EP1260980A2 Information storage medium, information recording method, and information recording/reproduction apparatus
11/27/2002EP1260979A2 Information playback apparatus
11/27/2002EP1260978A2 Information playback apparatus
11/27/2002EP1260925A2 Data handling
11/27/2002EP1260904A2 Storage subsystem with cooperating disk controllers
11/27/2002EP1259961A2 System and method for protecting digital media
11/27/2002EP1259959A1 Copy-protected optical disc and method for protecting same
11/27/2002EP1259884A2 Method for the storage of data in a file on a data storage device
11/27/2002EP1259868A1 Information processing device and record medium
11/27/2002EP1047066B1 Data recording/reproducing device
11/27/2002EP0965229B1 Recording medium sharing objects having a plurality of contents, playback apparatus, playback method and recording method
11/27/2002EP0928520B1 Error detection scheme for arq systems
11/27/2002EP0850473B1 A method and apparatus for trackwise burst error correction in a multitrack storage format
11/27/2002EP0831647B9 Multimedia optical disk on which audio data of a plurality of channels and sub-video data together with time-varying image data, and device and method of reproducing the data
11/27/2002EP0783752B1 Reversible multitrack magnetic tape storage system with multiframe error protection facility
11/27/2002CN1382344A System and method for recording pushed data
11/27/2002CN1382331A Active data hiding for secure electronic media distribution
11/27/2002CN1382294A Optical recording medium, substrate for optical recording medium and optical disk device
11/27/2002CN1382283A Writeable medium access control using medium writeable area
11/27/2002CN1381991A Duplicating control method, duplicating control device, recording medium and program
11/27/2002CN1381966A Copyright protection system and method
11/27/2002CN1381965A Data recording equipment, data recording method and data transcription system
11/27/2002CN1381846A Information recording medium, information recording device and information rewriting device
11/27/2002CN1381839A Information recording medium device of managing shortage and information regeneration device
11/27/2002CN1381838A EVD, EVD recorder and recording method, and EVD player and playing method
11/27/2002CN1095244C Method and apparatus for generating switching signal of video recorder head
11/27/2002CN1095169C Data record method
11/27/2002CN1095168C Write once type information recording medium, device and method for formatting and reading-write thereof
11/27/2002CN1095167C Device for reading and/or recording information on disc-shaped information carrier
11/27/2002CN1095160C System for encoding glass master to enable detection of counterfeit optical CD-ROM