Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
09/2002
09/03/2002US6445313 Data modulating/demodulating method and apparatus for optical recording medium
08/2002
08/29/2002WO2002067258A2 Method and apparatus for handling arbitrarily large capacity removable media
08/29/2002WO2002067257A1 Apparatus and method for controlling the copy and play of a digital audio contents
08/29/2002WO2002067256A1 Computer program copy management system
08/29/2002WO2002067255A1 Method of embedding a secondary signal in the bitstream of a primary signal
08/29/2002WO2002067125A1 System and method for licensing content on updatable storage media
08/29/2002WO2002067097A2 Authentication method and data transmission system
08/29/2002WO2002043291A3 Perceptual audio signal compression system and method
08/29/2002WO2002009380A3 Data transmission using pulse with modulation
08/29/2002WO2000063799A9 System, method and article of manufacture for authorizing the use of electronic content utilizing a laser-centric medium
08/29/2002US20020120851 Device and method for data timestamping
08/29/2002US20020120847 Authentication method and data transmission system
08/29/2002US20020120812 Redundant recording disk device and data processing method using plural logical disks with mirrored data stored with a predetermined phase-offset
08/29/2002US20020120722 Computer system and usage method thereof
08/29/2002US20020120608 Apparatus and method for transcopying data
08/29/2002US20020120606 Apparatus and method for space allocation of image and audio information
08/29/2002US20020120586 Copyrighted work managing method and apparatus thereof
08/29/2002US20020120576 Information recording medium, recording apparatus, information transmission system, and decryption apparatus
08/29/2002US20020120517 Method for evaluating a bonus
08/29/2002US20020118960 Optical disc, a recorder, a player, a recording method, and a reproducing method that are all used for the optical disc
08/29/2002US20020118959 Digital information recording/reproduction apparatus and digital information recording/reproduction method
08/29/2002US20020118956 Signal compressing apparatus
08/29/2002US20020118955 Information recording medium, method for recording information, and method for reproduction information
08/29/2002US20020118953 Digital recorder and playback apparatus that is compatible with apparatuses adapting motion picture expects group (mpeg) standard,and method therefor
08/29/2002US20020118951 Recording and reproducing apparatus, and variable speed reproducing method using same
08/29/2002US20020118949 Archiving and sharing of multimedia content
08/29/2002US20020118948 Storing and sharing of content
08/29/2002US20020118838 Copy protection method and system for digital media
08/29/2002US20020118832 Contents processing method, contents processing system, recording device, execution device, central device, and computer memory product
08/29/2002US20020118768 Partial response maximum likelihood (PRML) detection trellis method adaptable to signal dropouts
08/29/2002US20020118764 Repeated decoding and encoding in subband encoder/decoders
08/29/2002US20020118750 Image encoder, image encoding method, image decoder, image decoding method, and distribution media
08/29/2002US20020118744 Video data decoding method and apparatus for high-speed reproduction
08/29/2002US20020118741 Waveform equalization apparatus
08/29/2002US20020118740 Filter devices and methods
08/29/2002US20020118632 Disc-like record carrier with information track containing control information including disc diameter
08/29/2002US20020118624 Method and apparatus for recording optical information, and optical disk
08/29/2002US20020118622 Optical disk, and recording/reproducing apparatus and recording method for optical disk
08/29/2002US20020118621 Reproduction arrangement, transmission arrangement, method of forming and transmitting coded information and method of reproducing coded information
08/29/2002US20020118617 Method and apparatus for recording optical disk in the event of buffer-underrun in optical disk drive
08/29/2002US20020118616 Reproduction of audio data from recording medium
08/29/2002US20020118614 Detector input dark current offset calibration in an optical disk drive
08/29/2002US20020118610 Method and apparatus for reading and/or writing a data disk
08/29/2002US20020118609 Continuous information recording apparatus
08/29/2002US20020118565 Optical recording medium and reproducing apparatus
08/29/2002US20020118478 Magnetic reproducing device
08/29/2002US20020118476 System and method for providing nonadjacent redundancy synchronization bytes
08/29/2002US20020118474 Multi-valued data elements for computer systems
08/29/2002US20020118438 Asymmetry correction circuit
08/29/2002US20020118125 Data encoding method, apparatus, and storage medium
08/29/2002US20020118054 Delay lock loop circuit, varable delay circuit, and recording signal compensating circuit
08/29/2002DE10105465A1 Kopierschutz für Computerprogramme zum Schutz vor Raubkopien mit Verwendung eines Zusatzgerätes Copy protection for computer programs to protect against piracy with use of an external source
08/28/2002EP1235437A1 Method for recording or reproduction of sub-picture data accompanying video signals, corresponding apparatus, signal and data carrier
08/28/2002EP1235381A1 Information processing device, information processing method and program storage medium
08/28/2002EP1235380A1 Data reproducing/recording apparatus / method and list updating method
08/28/2002EP1235221A2 Information record medium, apparatus for recording the same and apparatus for reproducing the same
08/28/2002EP1235220A2 Method of coordinately processing pieces of copy information and information recording/reproducing apparatus
08/28/2002EP1235219A2 Recording medium that can prevent fraudulent usage of content and content rental system using such recording medium
08/28/2002EP1235208A2 Optical disc drive
08/28/2002EP1234445A1 Improvements to dvd navigation information for improved trick modes
08/28/2002EP1234307A1 Precessed recording for rewritable disk medium
08/28/2002EP1234306A1 Buffer optimization for simultaneous encoding-decoding and pause-catch-up for real-time dvd recorder
08/28/2002EP1234250A2 System, method and article of manufacture for authorizing the use of electronic content utilizing a laser-centric medium
08/28/2002EP1078359B1 A system for storing, restoring and distributing video-films from optical disks
08/28/2002CN1366751A Data processing system, recording apparatus, data processing method and program providing media
08/28/2002CN1366674A Recording/reproducing disk control device and disc apparatus comprising the same
08/28/2002CN1366671A Optical disc copy prevention system
08/28/2002CN1366670A Protecting content from illicit reproduction by proof of existence of complete data set via self-referencing sections
08/28/2002CN1366669A Protecting content from illicit reproduction by proof of existence of complete data set using security identifiers
08/28/2002CN1366659A Error correction method with pitch change detection
08/28/2002CN1366637A Data recording/reproducing device and saved data processing method, and program providing medium
08/28/2002CN1366634A Magnetic disc drive, method for recording data, and method for reproducing data
08/28/2002CN1366633A Disk memory device, data pre-head method, and recorded medium
08/28/2002CN1366384A Modulating method and device, demodulating method and device, recording medium, transmitting method and device
08/28/2002CN1089982C Arrangement and method for image coding and recording/reproducing
08/28/2002CN1089925C Mass production of multisession discs
08/28/2002CA2368396A1 Copy protection for digital motion picture image data
08/27/2002US6442730 Recording medium failure analysis apparatus and method
08/27/2002US6442715 Look-ahead reallocation disk drive defect management
08/27/2002US6442711 System and method for avoiding storage failures in a storage array system
08/27/2002US6442650 Maximizing sequential output in a disk array storage device
08/27/2002US6442556 Decompression software package that can store files in assigned storage device
08/27/2002US6442461 Apparatus and method for correcting information storage position
08/27/2002US6442335 Data structure for audio signals that can be mixed and/or switched
08/27/2002US6442334 Data recording method and apparatus, data recording medium, and data reproducing method and apparatus
08/27/2002US6442333 Information reproducing apparatus
08/27/2002US6442327 Video data recording and reproducing apparatus including a plurality of recording media having different capacities
08/27/2002US6442278 Voice-to-remaining audio (VRA) interactive center channel downmix
08/27/2002US6442208 Apparatus and method for transmitting data
08/27/2002US6442197 Phase-shift calculation method, and system implementing it, for a finite-impulse-response (FIR) filter
08/27/2002US6442179 Data storage communication channel and method of transmitting data
08/27/2002US6442128 Recording medium for storing attribute information on basic recording unit and method of identifying data using the attribute information
08/27/2002US6442118 Information recording and reproducing apparatus having semiconductor laser drive circuitry in its pickup
08/27/2002US6442117 Reading/reproducing apparatus having retry arrangement upon failed reading/writing of a signal
08/27/2002US6442116 Information reproduction apparatus, information recording apparatus, and reference mark detection circuit
08/27/2002US6442114 Optical disk signal reproducing apparatus and crosstalk canceling system for use therein
08/27/2002US6441983 System and method for adjusting a cutoff frequency of a tunable filter employed in a read channel of a data storage system
08/27/2002US6441981 Disk drive including a recording surface employing servo zones recorded at a channel frequency different from data zones
08/27/2002US6441980 Method and mechanism to distinguish valid from outdated recording blocks in a tape drive
08/27/2002US6441979 Apparatus for recording and reproducing digital information signals of different transmission rates
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