| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 11/24/1998 | US5841602 PRML regenerating apparatus |
| 11/24/1998 | US5841601 Elimination of inter symbol interference-induced timing phase and gain steps at sector start in PRML digital magnetic data storage channel |
| 11/24/1998 | US5841600 Randomly ordered data block envelope tape format |
| 11/24/1998 | US5841599 Reproducing apparatus varying reproduction speed according to memory fullness |
| 11/24/1998 | US5841598 Information recording/reproducing apparatus and data processing method |
| 11/24/1998 | US5841597 Divided master tape production device, dubbing device and dubbing system which is equipped with these devices |
| 11/24/1998 | US5841513 Apparatus for reproducing sound signals recorded on a motion picture film with digital sound track |
| 11/24/1998 | US5841387 Method and system for encoding a digital signal |
| 11/24/1998 | US5841323 Converter device |
| 11/24/1998 | US5841308 Amplifier for cancelling noise between circuit systems |
| 11/24/1998 | CA2102087C Contact recording disk file with a magnetoresistive read sensor |
| 11/24/1998 | CA2090052C Method and apparatus for the perceptual coding of audio signals |
| 11/24/1998 | CA2047696C Method of reading and writing files on non-erasable storage media |
| 11/22/1998 | CA2237975A1 Information adding/extracting method, information adding/extracting system, information signal processor and information signal recording medium |
| 11/19/1998 | WO1998052330A1 Apparatus and method for noise-predictive maximum likelihood detection |
| 11/19/1998 | WO1998052311A1 Automobile radio recording system |
| 11/19/1998 | WO1998052287A2 Signal space detector for channels utilizing a code having time varying constraints |
| 11/19/1998 | WO1998052194A1 Arrangement and method for preventing use of unauthorized duplicates of data storage media using address information |
| 11/19/1998 | WO1998052191A1 Cd with auxiliary electronic circuitry |
| 11/19/1998 | WO1998052114A1 Arrangement for preventing use of unauthorized duplicates of a data storage medium using subcode and method therefor |
| 11/19/1998 | DE19749103A1 Method of correcting output waveform of magnetic head |
| 11/18/1998 | EP0878799A2 Quick format for rewritable compact disks |
| 11/18/1998 | EP0878798A2 Audio signal encoding/decoding method and apparatus |
| 11/18/1998 | EP0878797A1 Information reproducing apparatus and reproducing method |
| 11/18/1998 | EP0878796A2 Information recording apparatus, information reproducing apparatus, and information distribution system |
| 11/18/1998 | EP0878794A2 Restriction of reproduction or copying of a recorded information signal |
| 11/18/1998 | EP0878792A2 Coded data reading and recording apparatus |
| 11/18/1998 | EP0878756A2 Magnetic disk and magnetic disk control apparatus |
| 11/18/1998 | EP0878082A2 System and method for interfacing multiple electronic devices |
| 11/18/1998 | EP0878005A1 Multihead recording and retrieval apparatus and procedure for use with self-timing optical lathe or pre-formatted discs |
| 11/18/1998 | EP0878003A1 Multiple-layer optical disc and apparatus |
| 11/18/1998 | EP0823114A4 Method for interleaving data for seamless playback of multiple program versions having common material |
| 11/18/1998 | CN1199517A Transmission and reception of digital information signal |
| 11/18/1998 | CN1199492A Fast acquisition method for obtaining data from transmission channel and data receiver for carrying out this method |
| 11/18/1998 | CN1199491A Device for write compensation in magnetic media recording |
| 11/18/1998 | CN1199490A Information carrier, reading/writing device and reading device for writing and/or reading information blocks |
| 11/18/1998 | CN1199282A Transconductance variable method and circuit, and variable bandwidth filter and variable gain amplifier using same |
| 11/18/1998 | CN1199224A Method and apparatus of improving reliability of descrambling operation in DVD player |
| 11/18/1998 | CN1199223A Digital signal reproducing circuit |
| 11/18/1998 | CN1199221A Apparatus and method for producing reproduction time of optical disc |
| 11/18/1998 | CN1199220A Method for automatically controlling bandwidth of waveform equalizer |
| 11/18/1998 | CN1040824C Digital modulating/demodulation method and apparatus using same |
| 11/17/1998 | US5839108 Flash memory file system in a handheld record and playback device |
| 11/17/1998 | US5838824 Encoding/decoding apparatus providing with input/output interface for external equipment |
| 11/17/1998 | US5838743 System for serial reception or reading of information |
| 11/17/1998 | US5838738 Coding to improve timing recovery in a sampled amplitude read channel |
| 11/17/1998 | US5838696 Device for reading a data signal |
| 11/17/1998 | US5838695 Method and apparatus for performing Reed-Solomon Product-like decoding of data in CD-ROM format |
| 11/17/1998 | US5838666 Recording medium management method where recording is carried out by data recording units in accordance with management tables |
| 11/17/1998 | US5838658 Optical disc |
| 11/17/1998 | US5838654 Optical recording medium having a specified range of pit widths and pit depths |
| 11/17/1998 | US5838649 Apparatus for demodulating digital FM signal in an optical disc device |
| 11/17/1998 | US5838512 Apparatus for reproducing digital servo data and digital user data, for use in a disk storage system |
| 11/17/1998 | US5838511 Storage device and recording medium formatting method using a phase shift between data sectors in adjacent cylinders |
| 11/17/1998 | US5838510 Method and apparatus for the measurement of defects in magnetic recording disks using a logarithmic amplifier |
| 11/17/1998 | US5838509 Data detection level adjusting circuit for processing signal in disk driving apparatus |
| 11/17/1998 | US5838380 Memory controller for decoding a compressed/encoded video data frame |
| 11/17/1998 | US5838274 Systems for achieving enhanced amplitude resolution |
| 11/17/1998 | US5838153 Magnetic media tester which includes a filter that filters the product of a read signal and an output of a phase lock loop circuit |
| 11/17/1998 | US5838020 Method and apparatus for storing data using spin-polarized electrons |
| 11/17/1998 | CA2045948C Data file directories and methods |
| 11/14/1998 | CA2236387A1 Method of restricting reproduction for information signal, information signal reproducing device, and information signal recording medium |
| 11/12/1998 | WO1998050919A1 Method and device for recording and reproducing digital signal |
| 11/12/1998 | WO1998050911A2 Information processing with a plurality of optical discs |
| 11/12/1998 | WO1998050850A2 Device provided with a recording unit and a memory |
| 11/12/1998 | WO1998033324A3 Embedding supplemental data in an encoded signal |
| 11/12/1998 | DE19719691A1 Data transferral method for optical disk mass storage system |
| 11/11/1998 | EP0877528A1 Digital signal processing apparatus |
| 11/11/1998 | EP0877481A2 Transconductance variable method and circuit, and variable bandwidth filter and variable gain amplifier using same |
| 11/11/1998 | EP0877371A1 Recording and playback of multi-channel digital audio having different sampling rates for different channels |
| 11/11/1998 | EP0877370A1 Synchronizing audio signal samples taken at different sampling rates |
| 11/11/1998 | EP0877369A1 Recording and playback of multi-channel digital audio having different resolutions for different channels |
| 11/11/1998 | EP0877359A2 Optical disk apparatus |
| 11/11/1998 | EP0877358A1 Method and device for recording data in an optical memory card |
| 11/11/1998 | EP0876709A2 Data compression/expansion using a rice encoder/decoder |
| 11/11/1998 | EP0846374A4 Bit-interleaved rate 16/17 modulation code with three-way byte-interleaved ecc |
| 11/11/1998 | EP0616719B1 Buffering method and system for resonant scanner |
| 11/11/1998 | EP0611474B1 On-the-fly splitting of disk data blocks |
| 11/11/1998 | CN1198832A A method and apparatus for trackwise burst error correction in a multitrack storage format |
| 11/11/1998 | CN1198829A Method and device for controlling tracking of optical memory card |
| 11/11/1998 | CN1198828A Information carrier containing auxiliary information, reading device and method of manufacturing such an information carrier |
| 11/11/1998 | CN1198823A Device for playing a movie film |
| 11/11/1998 | CN1198638A Signal coding method and device, signal recording medium and transmission method |
| 11/11/1998 | CN1040705C karaoke CD format and device for controlling audio signal utilizing the same |
| 11/10/1998 | US5835930 One or more logical tracks per physical track in a headerless disk drive |
| 11/10/1998 | US5835673 Digital signal recording on a magnetic recording medium having a non-magnetic base and magnetic metal film of certain characteristics |
| 11/10/1998 | US5835670 Multilingual recording medium and reproduction apparatus |
| 11/10/1998 | US5835669 Multilingual recording medium which comprises frequency of use data/history data and a plurality of menus which are stored in a still picture format |
| 11/10/1998 | US5835668 Transmission, recording and reproduction of digital data and time information in transport packets using a compression ratio |
| 11/10/1998 | US5835666 Reproducing apparatus including equalizing means which equalizes a reproduced signal when the signal is between a first and second level and varies the response speed |
| 11/10/1998 | US5835664 Method and apparatus for recording digital video signals |
| 11/10/1998 | US5835662 Editing system for predictively encoded video signals |
| 11/10/1998 | US5835595 Method and apparatus for crytographically protecting data |
| 11/10/1998 | US5835589 Optical recording medium to store and access large volumes of data |
| 11/10/1998 | US5835544 Clock signal reproduction circuit and data reproduction circuit |
| 11/10/1998 | US5835542 Digital data separator for separating data signals from clock signals in an encoded data stream |
| 11/10/1998 | US5835531 Signal equalizer |
| 11/10/1998 | US5835510 High-speed viterbi decoder |
| 11/10/1998 | US5835509 Method of and apparatus for recording and reproducing data and transmitting data |
| 11/10/1998 | US5835500 Error rate monitor |