| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 04/28/2004 | EP1414033A2 Optical disc device capable of recording or reading with high efficiency |
| 04/28/2004 | EP1413960A1 Recording device, recording method, storage medium, program, and communication device |
| 04/28/2004 | EP1413139A2 Variable length coding method and variable length decoding method |
| 04/28/2004 | EP1412945A1 Method for protecting content stored on an information carrier |
| 04/28/2004 | EP1412944A1 Method for protecting content stored on an information carrier |
| 04/28/2004 | EP1412943A2 Apparatus and method for reproducing user data |
| 04/28/2004 | EP1412940A2 Method and apparatus for operating a continuous time filter of a read/write channel for a hard disk drive |
| 04/28/2004 | EP1412915A2 Marking articles using a covert digitally watermarked image |
| 04/28/2004 | EP1412741A2 Data carrier for chemical or biochemical analyses |
| 04/28/2004 | EP1123611B1 Avoiding forbidden patterns in audio or video data |
| 04/28/2004 | EP0880780B1 Writing device, record carrier and writing method, and reading device for reading information blocks |
| 04/28/2004 | CN2613855Y 数码音乐播放机 Digital music player |
| 04/28/2004 | CN1493158A Method for recording or reproducing sub-picture data and its device |
| 04/28/2004 | CN1493074A Disk, its manufacturing method, recording/reproducing system, and semiconductor storage device |
| 04/28/2004 | CN1493062A Improvements in and relating to distribution of content |
| 04/28/2004 | CN1493054A Optical communiation disc with built-in computing unit and methods processing information therewith |
| 04/28/2004 | CN1492675A Information replaying device and method |
| 04/28/2004 | CN1492674A Recording and playing device and its method for digital broadcast data |
| 04/28/2004 | CN1492434A Sound silencing system of rotary mechanism |
| 04/28/2004 | CN1492433A Disc medium and method and device for recording and replaying information on it |
| 04/28/2004 | CN1492432A Information carrier, device and method for recording and replaying items in said carrier |
| 04/28/2004 | CN1492431A Readable recording medium for optical disc and computer |
| 04/28/2004 | CN1492430A Multiple value data recording and replaying device |
| 04/28/2004 | CN1492429A Method and device for obtaining DVD disc controlled content or information and method for controlling DVD device |
| 04/28/2004 | CN1492428A Data regenerating method of optical disc prerecording zone and its device |
| 04/28/2004 | CN1492427A Replaying device |
| 04/28/2004 | CN1492426A Data transmission system, data recording and reproducing device and recording medium |
| 04/28/2004 | CN1492425A Information recording method and information recorder |
| 04/28/2004 | CN1492424A Digital generator disc audio disc and its playing method and device |
| 04/28/2004 | CN1492423A Information processor |
| 04/28/2004 | CN1492422A Disc rotation controller |
| 04/28/2004 | CN1492420A Recording, playing, recording/playing device and method, display medium and recording medium |
| 04/28/2004 | CN1492409A Multi media optical disc and its reproducing device and reproducing method |
| 04/28/2004 | CN1492408A Optical data storage medium and method of recording data |
| 04/28/2004 | CN1492407A Access method for optimum burning power data of optical disc burning machine |
| 04/28/2004 | CN1492405A Replay device |
| 04/28/2004 | CN1492403A Optical disc and its producing method |
| 04/28/2004 | CN1492402A Optical disc, method for producing optical disc and replay device |
| 04/28/2004 | CN1492401A Multimedia optical disc for realizing transfer reproduction to parental locking zone by little control information and its reproducing device |
| 04/28/2004 | CN1492342A Startnig and control method of electronic device and storage device |
| 04/28/2004 | CN1492341A Reproducing device, output device and method for control power consumption |
| 04/28/2004 | CN1492333A Method and system for updating storaged mapping flag in optical storage medium |
| 04/28/2004 | CN1148070C Signal reproducting apparatus and signal reproducting method |
| 04/28/2004 | CN1148060C Method and apparatus for recording digit data stream |
| 04/28/2004 | CN1148004C Data compression/expansion on plurality of digital information signals |
| 04/28/2004 | CN1147861C Recording device and reproduction device |
| 04/28/2004 | CN1147857C Recording method of optical recording medium and method for reproducing information from optical recording medium |
| 04/28/2004 | CN1147856C Apparatus for manufacture of informatino recording medium, information recording medium/apparatus/method |
| 04/28/2004 | CN1147855C Recording apparatus and playback apparatus |
| 04/28/2004 | CN1147854C Method and device for recording data, data recording medium, and method and device for reproducing data |
| 04/28/2004 | CN1147853C Apparatus and method for recording speed control of optic recoridng medium recording/reproducing system |
| 04/28/2004 | CN1147852C Optical disk playback device and optical disk playback method |
| 04/28/2004 | CN1147851C Information recording method and apparatus, information recording reproducing method and apparatus |
| 04/28/2004 | CN1147850C Reproducing equipment and reproducing method |
| 04/28/2004 | CN1147841C Optical disk for information recording regeneration and information recording regenerator using the same |
| 04/28/2004 | CN1147839C Light information recording/reproducing apparatus |
| 04/28/2004 | CN1147838C Recording medium, data transmission apparatus, data receiver, and optical disk unit |
| 04/28/2004 | CN1147834C Recording medium, recording/reproducing method and recording/reproducing apparatus |
| 04/28/2004 | CN1147796C Signal recording and reproducting device and method for managing defect of signal recording area |
| 04/27/2004 | US6728928 Modified viterbi detector for jitter noise dominant channels |
| 04/27/2004 | US6728923 Error correction encoding a data stream of information |
| 04/27/2004 | US6728899 On the fly defect slipping |
| 04/27/2004 | US6728898 Producing a mirrored copy using incremental-divergence |
| 04/27/2004 | US6728894 System and method for clock adjustment by subsequently detecting a target bit of data stream, re-adjusting, and correcting clock based on difference in detected bit |
| 04/27/2004 | US6728883 Additional information superimposing apparatus, additional information superimposing method, additional information detecting apparatus, and additional information detecting method |
| 04/27/2004 | US6728882 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk |
| 04/27/2004 | US6728830 Method and apparatus for modifying the reserve area of a disk drive |
| 04/27/2004 | US6728824 Method and apparatus for controlling multi-channel bitstreams |
| 04/27/2004 | US6728806 Data processing unit |
| 04/27/2004 | US6728802 Control method of optical disk recording/reproducing apparatus |
| 04/27/2004 | US6728683 Reproducing apparatus and reproducing method |
| 04/27/2004 | US6728476 Apparatus and method for thumbnail picture data readout |
| 04/27/2004 | US6728474 Recording medium for storing information for still picture, recording and/or reproducing method and apparatus therefor |
| 04/27/2004 | US6728470 Data recording and reproducing apparatus and method |
| 04/27/2004 | US6728390 Methods and systems using multiple watermarks |
| 04/27/2004 | US6728381 Noise reducing circuit |
| 04/27/2004 | US6728197 Minimized distortion; greater tolerances; low cost |
| 04/27/2004 | US6728186 Device and method for recording information including position data of closed sessions |
| 04/27/2004 | US6728181 Code judging apparatus and method, record medium judging apparatus and method, and information recording apparatus and method |
| 04/27/2004 | US6728176 Information recording method |
| 04/27/2004 | US6728175 Information recording method and apparatus |
| 04/27/2004 | US6728174 Recording medium and reproducing method and apparatus for recording medium |
| 04/27/2004 | US6728170 Information-signal recording and reproducing apparatus |
| 04/27/2004 | US6728167 Background music controller |
| 04/27/2004 | US6728054 Drive with adaptive data format and head switch sequencing |
| 04/27/2004 | US6728053 Method and apparatus to reduce retry redundancy during read operations |
| 04/27/2004 | US6728052 Recording/reproducing apparatus, error correcting coding method and information recording method |
| 04/27/2004 | US6728051 Recording equalizer and magnetic recording/reproducing apparatus using the equalizer |
| 04/27/2004 | CA2267450C Data sequence generator, transmitter, information data decoder, receiver, transmitter-receiver, data sequence generating method, information data decoding method, and recording medium |
| 04/27/2004 | CA2142441C Recording apparatus comprising a camera and a cassette which includes a separate memory for storing camera parameters |
| 04/22/2004 | WO2004034396A1 Method of and apparatus for managing disc defects in disc, and disc on which defects are managed |
| 04/22/2004 | WO2004034395A1 Optical disc, reproducing device, program, reproducing method, recording method |
| 04/22/2004 | WO2004034394A1 Disc information output method, program, and recording medium |
| 04/22/2004 | WO2004034389A1 A data detector system |
| 04/22/2004 | WO2004034381A2 Corrective adjustment of recording characteristics in digital renditions of analog recordings |
| 04/22/2004 | WO2004034180A2 Processes and systems for enabling secure and controlled distribution and use of information |
| 04/22/2004 | WO2004019590A3 Communication system and method between a recording and/or reproducing device and a remote unit. |
| 04/22/2004 | WO2004003911A3 Removable memory information management |
| 04/22/2004 | US20040078748 Apparatus and method of correcting offset |
| 04/22/2004 | US20040078746 Error correction method and reproduction apparatus |