Patents
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
01/2002
01/24/2002WO2002007161A1 Method and apparatus for recording and/or reproducing data and record medium
01/24/2002WO2002007160A1 Home multimedia storage system
01/24/2002WO2002007157A1 Recorded medium, recorded medium reproducing apparatus, and reproducing method
01/24/2002WO2002007156A1 Arrangement of data on an optical or magneto-optical data carrier
01/24/2002WO2001080546A3 Prevention of cd-audio piracy using sub-code channels
01/24/2002WO2001067447A3 Multiple-rate channel endec in a commuted read/write channel for disk storage systems
01/24/2002WO2001040942A3 Recording error history embedded rewriteable media
01/24/2002WO2001035648B1 Method for editing source video to slow motion or fast motion on the recordable media
01/24/2002US20020010888 Method and apparatus for correcting C1/PI word errors using error locations detected by EFM/EFM+ decoding
01/24/2002US20020010833 Disc device
01/24/2002US20020010815 Data transfer method and data recording apparatus
01/24/2002US20020010788 Audiovisual distribution system
01/24/2002US20020010752 Information processing apparatus, method thereof, information processing system, and medium
01/24/2002US20020010712 Information processing method and apparatus
01/24/2002US20020009294 Information playback apparatus, information processing method and information recording medium
01/24/2002US20020009291 Audio data recording disc and drive therefor
01/24/2002US20020009208 Authentication of physical and electronic media objects using digital watermarks
01/24/2002US20020009163 Discrimination apparatus
01/24/2002US20020009049 Method and apparatus for transferring data, and storage medium
01/24/2002US20020009046 Optical data storage and retrieval system and method
01/24/2002US20020009044 Coded information on CD audio
01/24/2002US20020009035 Reproducing apparatus
01/24/2002US20020009029 Signal processing circuit having a voltage controlled oscillator capable of continuously changing the center frequency in accordance with a control voltage
01/24/2002US20020009028 Method of immediate writing or reading files on a disc like recording medium
01/24/2002US20020009020 Recording medium reproduction apparatus
01/24/2002US20020009005 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
01/24/2002US20020009000 Adding imperceptible noise to audio and other types of signals to cause significant degradation when compressed and decompressed
01/24/2002US20020008929 Method of and apparatus for allocating recording space on a recording medium
01/24/2002US20020008928 Magnetic disc device and error correction method therefor
01/24/2002US20020008764 Imaging apparatus
01/24/2002US20020008646 Method and apparatus of converting a series of data words into modulated signals
01/24/2002US20020008584 Capacitor bias recovery methodology
01/24/2002DE10034053A1 Anordnung von Daten auf einem optischen oder magnetooptischen Datenträger Arrangement of data on an optical or magneto-optical disk
01/23/2002EP1175103A1 Recording and reproducing an MPEG information signal on/from a record carrier
01/23/2002EP1175096A2 Secure storage and replay of media programs using a hard-paired receiver and storage device
01/23/2002EP1175093A2 Audio and video recording and reproduction apparatus
01/23/2002EP1175003A2 Capacitor bias recovery methodology
01/23/2002EP1174878A2 Method for identifying a reserved data area, and corresponding apparatus
01/23/2002EP1174877A2 Reproducing apparatus
01/23/2002EP1174876A2 Compact disc with a copy process disturbing area
01/23/2002EP1174874A2 Preamplifier read recovery parade
01/23/2002EP1174859A2 Write head fault detection circuit and method
01/23/2002EP1174812A2 Information distribution system
01/23/2002EP1174721A2 Jitter detecting apparatus and phase locked loop using the detected jitter
01/23/2002EP1173925A2 Matrixing for lossless encoding and decoding of multichannels audio signals
01/23/2002EP1173837A2 System, method and article of manufacture for targetted advertisement based on the electronic content of a laser-centric medium
01/23/2002EP1086469A4 Method and system for authenticating digital optical media
01/23/2002EP0729674B1 Cyclical redundancy check method and apparatus
01/23/2002CN1332933A Copy protection system for home networks
01/23/2002CN1332932A Method for storing digital audio and video dataflow, storage device and receiver for implementing said method
01/23/2002CN1332931A Method for simultaneously recording and reading digital audio and video dataflow and receiver using same
01/23/2002CN1332456A Information-storing device and signal processing circuit
01/23/2002CN1332455A Message recording method and apparatus
01/23/2002CN1332454A Data recording device and method and optical recording medium
01/23/2002CN1332450A Recording medium with read-only and write area and record/reproduction device and method thereof
01/23/2002CN1332447A Optical disk and its drive device
01/23/2002CN1332442A Digital signal encoding method and device, digital signal recordingm edium, digital signal decodign method and device
01/23/2002CN1078426C Bit-stream allocating and restoring method for digital video recorder and data compressing/decompressing apparatus using the same
01/23/2002CN1078422C Video signal clamping circuit
01/23/2002CN1078374C Video-song accompanment apparatus
01/22/2002US6341319 System and method for transmitting/receiving signal level data
01/22/2002US6341297 Parallel processing syndrome calculating circuit and Reed-Solomon decoding circuit
01/22/2002US6341278 Recording and reproducing apparatus and method for accessing data stored on a randomly accessible recording medium, and for managing data thereon
01/22/2002US6341199 Apparatus, method, and recording medium implementing audio gap information for an audio presentation discontinuous period
01/22/2002US6341197 Information recording method and information reproducing method
01/22/2002US6341196 Information recording method and information reproducing method for compressed video information
01/22/2002US6341193 Recording and reproduction of an information signal in/from a track on a record carrier
01/22/2002US6341141 Method and apparatus for detecting spectrum spread signals
01/22/2002US6341121 Recorder
01/22/2002US6341111 Apparatus for detecting and restoring physical identification
01/22/2002US6341109 Defective area replacement method and information writing/reading device
01/22/2002US6341108 Audio reproducing device
01/22/2002US6341047 AV data base for VTR
01/22/2002US6341045 Disk-shaped recording medium and formatting method thereof wherein historic information including a storage capacity of the disk-shaped recording medium is recorded thereon
01/22/2002CA2247213C Recording/reproducing method and apparatus, processing apparatus, and recording medium for video signal having copy control information
01/22/2002CA2124080C Tape recording method and apparatus
01/17/2002WO2002005554A1 Data recording device, data reproducing device, data recording method, and data reproducing method
01/17/2002WO2002005279A1 Method for detecting transient write errors in a disk drive having a dual transducer slider
01/17/2002WO2002005278A1 Record carrier, playback apparatus and information system comprising a record carrier and a playback apparatus
01/17/2002WO2002005277A2 Information recording medium, information recording apparatus, information recording method, information reproduction apparatus and information reproduction method
01/17/2002WO2001059783A3 A sampled amplitude read channel employing a post processor with a boundary error compensator which compensates for boundary error events in a split-field data sector
01/17/2002US20020007474 Turbo-code decoding unit and turbo-code encoding/decoding unit
01/17/2002US20020007472 Method of verifying defect management area information of disc and test apparatus for performing the same
01/17/2002US20020007452 Content protection for digital transmission systems
01/17/2002US20020007436 Semiconductor integrated circuit device and electronic system for executing data processing by using memory
01/17/2002US20020007366 Method of implicit partitioning the storage space available on a storage medium
01/17/2002US20020007347 Secured electronic information delivery system having a metering device
01/17/2002US20020006271 Method and device for recording sub-titles
01/17/2002US20020006270 Data processing device and data recording method
01/17/2002US20020006269 Recording medium, recorder, reproducing device and computer-readable recording medium
01/17/2002US20020006266 Record/play apparatus and method for extracting and searching index simultaneously
01/17/2002US20020006204 Protecting decrypted compressed content and decrypted decompressed content at a digital rights management client
01/17/2002US20020006199 Signal reproducing/recording/transmitting method and apparatus and signal recording medium
01/17/2002US20020006198 Signal reproducing /recording/ transmitting method and apparatus and signal record medium
01/17/2002US20020006166 Method and apparatus of converting a series of data words into a modulated signal
01/17/2002US20020006104 Method of manufacturing an optical disk having areas of different recording densities or functions
01/17/2002US20020006099 Information reproducing apparatus and information recording apparatus
01/17/2002US20020006098 DVD-audio disk, and apparatus and method for recording data on and/or reproducing data from the same
01/17/2002US20020006097 Apparatus and method for correcting asymmetry of optical disk reproducing system
01/17/2002US20020006094 Recording medium reproduction apparatus