| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 02/05/2002 | US6345033 Optical disk and optical disk reproducing apparatus |
| 02/05/2002 | US6345026 Optical recording method and optical recorder |
| 02/05/2002 | US6345018 Demodulation circuit for demodulating wobbling signal |
| 02/05/2002 | US6345017 Reproducing apparatus capable of suppressing mechanical noise during access of sub data and main data |
| 02/05/2002 | US6344941 Magnetic tape unit |
| 02/05/2002 | US6344940 Method and apparatus for adding 1/f fluctuation to an audio signal |
| 02/05/2002 | US6344939 Digital audio channels with multilingual indication |
| 02/05/2002 | US6344778 Voltage-controlled oscillator, phase synchronization circuit and signal processing circuit |
| 02/05/2002 | US6344607 Automatic compilation of songs |
| 02/05/2002 | CA2161609C Digital signal recording apparatus |
| 01/31/2002 | WO2002009380A2 Data transmission using pulse with modulation |
| 01/31/2002 | WO2002009110A1 Recording device, reproducing device and recording/reproducing system |
| 01/31/2002 | WO2002009109A1 Disk recording device, sector alternating method for recording disk, and recording disk |
| 01/31/2002 | WO2002009108A1 Disk drive device, loading control method for recording disk |
| 01/31/2002 | WO2002009107A1 Optical disk device, formatting method for optical disk, and optical disk |
| 01/31/2002 | WO2002009104A2 A drive with streaming-optimized write validation |
| 01/31/2002 | WO2002009100A1 Data carrier comprising a data memory and an access meter |
| 01/31/2002 | WO2001054324A3 Music distribution systems |
| 01/31/2002 | WO2001050598A3 Audio device driver |
| 01/31/2002 | WO2001046956A3 Method and system pertaining to the location of digital encoding information |
| 01/31/2002 | US20020013929 Error correction for system interconnects |
| 01/31/2002 | US20020013927 Viterbi decoder and Viterbi decoding method |
| 01/31/2002 | US20020013925 Optical disc recording/reproducing method, optical disc and optical disc device |
| 01/31/2002 | US20020013885 Digital recording and reproducing apparatus |
| 01/31/2002 | US20020013883 Disk system and medium with contents play-back restriction mechanism |
| 01/31/2002 | US20020013882 Recordable optical disc and apparatus therefor including operating system and user configuration |
| 01/31/2002 | US20020013871 Data processing unit |
| 01/31/2002 | US20020013700 Lossless encoding and decoding system, and a method therefor |
| 01/31/2002 | US20020013699 Lossless encoding and decoding system, and a method therefor |
| 01/31/2002 | US20020013698 Use of voice-to-remaining audio (VRA) in consumer applications |
| 01/31/2002 | US20020012531 Optical storage media drive adapter for stand-alone use |
| 01/31/2002 | US20020012530 Encoding device for encoding a program and recording device |
| 01/31/2002 | US20020012529 System for recording digital information including audio information |
| 01/31/2002 | US20020012522 Editing apparatus and editing method |
| 01/31/2002 | US20020012437 Audio reproducing apparatus |
| 01/31/2002 | US20020012315 Recording medium, recording apparatus, and reading apparatus |
| 01/31/2002 | US20020012310 Information recording medium, information recording method and information recording apparatus |
| 01/31/2002 | US20020012309 Recording medium recognition information recording method, recording medium recognition information recording apparatus, and recording disc |
| 01/31/2002 | US20020012308 Information reproducing apparatus and phase lock control apparatus |
| 01/31/2002 | US20020012307 Information reproducing apparatus |
| 01/31/2002 | US20020012306 Reproducing apparatus for optical disc recorded in high density |
| 01/31/2002 | US20020012301 Optical recording medium, optical recording method, optical reproducing method, and optical recording/reproducing device |
| 01/31/2002 | US20020012300 Information recording method and apparatus |
| 01/31/2002 | US20020012299 Information reproduction apparatus, information recording apparatus, and reference mark detection circuit |
| 01/31/2002 | US20020012298 Information recording apparatus, information recording system and information recording medium |
| 01/31/2002 | US20020012297 Method and apparatus for recording data at accurate location on recording medium |
| 01/31/2002 | US20020012296 Information recording device that can resume recording process at correct location on recording medium |
| 01/31/2002 | US20020012293 Apparatus and method for inscribing, optically detecting, and using a clock pattern to write a servo pattern in an information storage unit |
| 01/31/2002 | US20020012185 Device and signal processing circuit for magnetic recording, magnetic recording apparatus |
| 01/31/2002 | US20020011144 Information recording medium and reproducing apparatus therefor |
| 01/31/2002 | DE10035955A1 Verfahren zum Identifizieren eines reservierten Datenbereichs sowie entsprechendes Gerät A method for identifying a reserved data area and corresponding device |
| 01/31/2002 | DE10035707A1 Digital acquisition and reproduction involves setting header information in isolated packets representing input data stream time position, adding null packets corresponding to time separation |
| 01/31/2002 | DE10035311A1 Compact Disc mit einem einen Kopiervorgang störenden Bereich Compact disc with a copy unwanted area |
| 01/31/2002 | DE10029675A1 Electronic playback apparatus e.g. MP3 player has digital signal processor to process audio data and control other functions of apparatus, by using stored program for apparatus control and data processing routine |
| 01/30/2002 | EP1176822A2 Signal output apparatus and signal output method |
| 01/30/2002 | EP1176757A2 System, method and apparatus for key distribution, license system, and program providing medium |
| 01/30/2002 | EP1176756A2 System and method for key distribution and program providing medium |
| 01/30/2002 | EP1176755A2 Key distribution system, method and program providing medium |
| 01/30/2002 | EP1176754A2 System, method and apparatus for key distribution and program providing medium |
| 01/30/2002 | EP1176735A1 Adaptive equalizer and adaptive equalizing method |
| 01/30/2002 | EP1176598A2 Digital recording and reproducing apparatus |
| 01/30/2002 | EP1176595A2 Optical recording apparatus and method, and digital still camera |
| 01/30/2002 | EP1176594A1 Audio reproducing apparatus |
| 01/30/2002 | EP1176593A2 Information recording apparatus and information recording method, and information recording medium |
| 01/30/2002 | EP1176592A1 Recording/playback apparatus and editing method |
| 01/30/2002 | EP1176591A2 Audio data recording disc and drive therefor |
| 01/30/2002 | EP1176589A2 Information-carrying medium, particularly a music-carrying medium |
| 01/30/2002 | EP1176587A2 Optical recording medium, optical recording medium producing apparatus and optical recording medium producing method |
| 01/30/2002 | EP1176586A2 Information recording medium with index header |
| 01/30/2002 | EP1176492A2 Access control method and storage device using same |
| 01/30/2002 | EP1175676A1 Universal player for compressed audio |
| 01/30/2002 | EP1175675A1 Method and apparatus for processing digitally encoded audio data |
| 01/30/2002 | EP1175674A1 Method of hiding areas on a disc like recording of the optically rewritable type |
| 01/30/2002 | EP0965102B1 Output device for digitally stored data on a data carrier |
| 01/30/2002 | EP0934586B1 Arrangement and method for recording optical data with amplitude and time modulation |
| 01/30/2002 | CN1333975A Copy protection by ticket encryption |
| 01/30/2002 | CN1333630A Information output record system and method thereof, information record medium |
| 01/30/2002 | CN1333628A Magnetic tape record equipment and method, magnetic tape reproducing equipment and method and record medium |
| 01/30/2002 | CN1078729C Aparatus and method for replaying digital video and audio signal and preventing from unlegel copy |
| 01/29/2002 | US6343336 Transfer function compatibility for information for information storage reproduction |
| 01/29/2002 | US6343283 Data copyright management system |
| 01/29/2002 | US6343282 Optical disk reading device using both a decipher key and disk identification information |
| 01/29/2002 | US6343281 Device and method for preventing fraudulent copies of data containing encrypted copy-management information and recording medium |
| 01/29/2002 | US6343182 Disk detecting device and method |
| 01/29/2002 | US6343180 Apparatus and method for producing reproduction time of an optical disc |
| 01/29/2002 | US6343138 Security documents with hidden digital data |
| 01/29/2002 | US6343063 Machine-readable optical disc with reading-inhibit agent |
| 01/29/2002 | US6343061 Optical data system and high density optical disk relating thereto |
| 01/29/2002 | US6343056 Information recording method and apparatus with suppressed mark edge jitters |
| 01/29/2002 | US6343054 Recording/reproducing device with memory controller which creates sector data storing area and additive data storing area |
| 01/29/2002 | US6343028 Interface circuit and optical disk manufacturing system that uses same |
| 01/29/2002 | US6342983 Recording tape medium, and apparatus for recording data on and recorded data from recording tape medium by helical scanning system |
| 01/29/2002 | US6342802 Multi-voltage power-up stable input/output buffer circuit in a disc drive |
| 01/29/2002 | US6342664 Data reproducing apparatus |
| 01/29/2002 | US6342529 GABA and L-glutamic acid analogs for antiseizure treatment |
| 01/24/2002 | WO2002007436A1 Method and device for reading mpeg recorded data transmitted on an ieee 1394 bus |
| 01/24/2002 | WO2002007435A1 Multimedia appliance |
| 01/24/2002 | WO2002007326A1 Coding of a data stream |
| 01/24/2002 | WO2002007322A2 Coding a data stream |
| 01/24/2002 | WO2002007162A1 Recording/reproducing method and recorder/reproducer for record medium containing copyright management data |