| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 07/28/1998 | US5786952 Magnetic digital storage method and system wherein magnetic transition points in adjacent recorded tracks are out of phase with each other |
| 07/28/1998 | US5786951 Sampled amplitude read channel employing a discrete time noise generator for calibration |
| 07/28/1998 | US5786950 PR4 sampled amplitude read channel employing an NRZI write modulator and a PR4/NRZI converter |
| 07/23/1998 | WO1998032230A1 Data compression/expansion on a plurality of digital information signals |
| 07/23/1998 | WO1998032130A2 Recording of subcode signals in slant tracks on a record carrier |
| 07/23/1998 | WO1998032126A1 Method and apparatus for detection in digital magnetic recording |
| 07/23/1998 | WO1998021829A3 Modified reed solomon code selection and encoding system |
| 07/23/1998 | CA2227380A1 Information signal output control method, information signal duplication prevention method, information signal duplication prevention device, and information signal recording medium |
| 07/22/1998 | EP0854483A2 Digital signal reproduction apparatus |
| 07/22/1998 | EP0854482A1 System for decoding the EFM and EFM-PLUS format in optical disc (CD and DVD) read units and corresponding method of decoding |
| 07/22/1998 | EP0854474A2 Imformation recording method and apparatus |
| 07/22/1998 | EP0853843A2 Transmission and reception of a digital information signal |
| 07/22/1998 | EP0853842A1 Encoding of a plurality of information signals |
| 07/22/1998 | EP0853805A2 Transmission, recording and reproduction of a digital information signal |
| 07/22/1998 | EP0795175B1 Method and apparatus for detecting degradation in data storage system spindle motor performance |
| 07/22/1998 | EP0786126B1 Method and system for distributing and selecting audio and video information |
| 07/22/1998 | EP0696773B1 Redundant array of removable cartridge disk drives |
| 07/22/1998 | EP0612459B1 Video multiplexing system |
| 07/22/1998 | EP0612458B1 Data formats on optical video tape |
| 07/22/1998 | EP0589219B1 Method and system for non-specific data retrieval in a data processing system |
| 07/22/1998 | EP0485234B1 Information recording and reproducing device |
| 07/22/1998 | CN1188560A Audio and video data recording and reproducing apparatus and method |
| 07/22/1998 | CN1188559A Data recording apparatus, data reproduction apparatus, data recording method and data reproduction method |
| 07/22/1998 | CN1188558A Device for recording information carrier, method and information carrier therefor |
| 07/22/1998 | CN1188314A Method and apparatus for testing quality of optical disk medium and optical disk medium |
| 07/22/1998 | CN1188312A Optical information reproducing method and apparatus |
| 07/22/1998 | CN1188311A Method of pre-formatting optical disc and apparatus thereof |
| 07/22/1998 | CN1188310A Information signal duplication control system |
| 07/22/1998 | CN1039263C Customized data recovery procedure |
| 07/22/1998 | CA2227101A1 Video signal transmission method, superimposed information transmission method, video signal output device, video signal reception device, and video signal recording medium |
| 07/21/1998 | US5784703 Storage system having logical subsystems configured in accordance with equally divided storage capacities, specified allotment rates, designated boundary positions or designated physical size |
| 07/21/1998 | US5784647 Interface for fetching highest priority demand from priority queue, predicting completion within time limitation then issuing demand, else adding demand to pending queue or canceling |
| 07/21/1998 | US5784609 System for remotely authenticating access to local software |
| 07/21/1998 | US5784574 Control unit for data transmission |
| 07/21/1998 | US5784528 Method and an apparatus for interleaving bitstream to record thereof on a recording medium, and reproducing the interleaved bitstream therefrom |
| 07/21/1998 | US5784526 Multisystem signal processing apparatus having specific hierarchical coding |
| 07/21/1998 | US5784525 Image capture apparatus with sound recording capability |
| 07/21/1998 | US5784519 Multi-scene recording medium and apparatus for reproducing data therefrom |
| 07/21/1998 | US5784460 Secured electronic information delivery system having a three-tier structure |
| 07/21/1998 | US5784415 Adaptive noise-predictive partial-response equalization for channels with spectral nulls |
| 07/21/1998 | US5784356 Optical disk reproducing apparatus equipped with variable gain amplifier capable of adjusting amplitude of reproduction signal |
| 07/21/1998 | US5784296 Method and apparatus for spectral analysis in a disk recording system |
| 07/21/1998 | US5784220 Magnetic disk apparatus, recording and accessing method for performing density recording |
| 07/21/1998 | US5784215 Method and apparatus for recording and reading variable speed data using a rotating drum device |
| 07/21/1998 | US5784010 Method and apparatus for implementing a set rate code for data channels with alternate 9-bit code words and 8-bit code words |
| 07/21/1998 | CA2002750C Arrayed disk drive system and method |
| 07/16/1998 | WO1998031152A2 Embedding supplemental data in a digital video signal |
| 07/16/1998 | WO1998031123A1 Method and apparatus for authenticating magnetic media |
| 07/16/1998 | WO1998031015A1 Method and apparatus for writing a clock track on a storage medium |
| 07/16/1998 | WO1998031010A2 Apparatus for monitoring and preventing unauthorized copying of digital data |
| 07/16/1998 | WO1998022946A3 Writing device, record carrier and writing method, and reading device for reading information blocks |
| 07/16/1998 | DE19757183A1 Image disc medium quality testing method |
| 07/15/1998 | EP0853433A1 Method and apparatus for detecting a source identification signal in a video signal |
| 07/15/1998 | EP0853430A1 Method and device for encoding seamless-connection of bit stream |
| 07/15/1998 | EP0853429A2 Information signal duplication control system |
| 07/15/1998 | EP0853386A2 Frequency control arrangement |
| 07/15/1998 | EP0853318A2 Memory control in recording and/or reproducing apparatus |
| 07/15/1998 | EP0853317A1 Hard disk drive chip set partitioning |
| 07/15/1998 | EP0853315A2 Cipher key and reproduction methods, apparatuses, systems and optical disc |
| 07/15/1998 | EP0853313A2 Optical disc system |
| 07/15/1998 | EP0852796A1 Information carrier and recording device for recording an information carrier |
| 07/15/1998 | EP0852794A1 Information recording on a multitrack record carrier |
| 07/15/1998 | CN2286335Y Train dispatching digital recording player |
| 07/14/1998 | US5781920 Data storage apparatus having data and parity media |
| 07/14/1998 | US5781722 Method for diagnosis and repair of compressed volumes utilizing a bitmap |
| 07/14/1998 | US5781699 Method for optimization of channel parameters in a data storage device |
| 07/14/1998 | US5781696 Speed-variable audio play-back apparatus |
| 07/14/1998 | US5781688 Method and apparatus for reproducing a compressed digital video signal at multiple speed |
| 07/14/1998 | US5781590 Partial response maximum likelihood (PRML) signal processing apparatus |
| 07/14/1998 | US5781586 Method and apparatus for encoding the information, method and apparatus for decoding the information and information recording medium |
| 07/14/1998 | US5781567 Digital coding method and apparatus for the correction of burst errors |
| 07/14/1998 | US5781565 Data recording/reproducing method, data reproducing apparatus and recording medium |
| 07/14/1998 | US5781564 Method and apparatus for detecting and concealing data errors in stored digital data |
| 07/14/1998 | US5781544 Method for interleaving network traffic over serial lines |
| 07/14/1998 | US5781526 Optical recording medium having a disc with deformed pits |
| 07/14/1998 | US5781521 Optical disk recording/reproducing apparatus |
| 07/14/1998 | US5781518 Disc recording method wherein a segment is recorded with reference data to control the phase of a data clock |
| 07/14/1998 | US5781452 For processing a digital data stream digital |
| 07/14/1998 | US5781358 Magnetic recording apparatus with non-linear bit shift measurement |
| 07/14/1998 | US5781196 Video compression by extracting pixel changes exceeding thresholds |
| 07/14/1998 | US5781133 Method and apparatus for implementing run length limited codes |
| 07/14/1998 | US5781131 Data encoding method and data decoding method |
| 07/14/1998 | US5781130 M-ary (d,k) runlength limited coding for multi-level data |
| 07/14/1998 | CA2059604C Data processing apparatus including a cd-rom |
| 07/14/1998 | CA2019081C Record/reproduce apparatus having means for switching automatically between different types of audio processing |
| 07/14/1998 | CA1339956C Method for transmitting digital data |
| 07/13/1998 | CA2226811A1 Information signal duplication control system |
| 07/09/1998 | WO1998029872A1 A rate 24/25 modulation code for prml recording channels |
| 07/09/1998 | WO1998029869A1 Access to information using protectable authorization messages |
| 07/08/1998 | EP0852379A2 Method of changing rotational rate of storage medium from initial rate to desired rate |
| 07/08/1998 | EP0852377A1 Comparator-based thresholding method for determining data values |
| 07/08/1998 | EP0852089A1 Apparatus and method for noise-predictive maximum-likelihood (npml) detection |
| 07/08/1998 | EP0852055A2 Method and apparatus for reading data from a disc carrier |
| 07/08/1998 | EP0852053A2 Improvements in and relating to optically readable discs and disc recording apparatus |
| 07/08/1998 | EP0628206B1 Data recording system having logical overrecording capability |
| 07/08/1998 | CN1187277A Method and apparatus for copy protection for various recording media using video finger print |
| 07/08/1998 | CN1187262A Optical record carrier and method for recording and reproducing signals therefrom |
| 07/07/1998 | USRE35839 CD-ROM disk and security check method for the same |
| 07/07/1998 | US5778445 Control device for secondary storage assuring transmission bandwidth |
| 07/07/1998 | US5778411 Method for virtual to physical mapping in a mapped compressed virtual storage subsystem |