Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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03/04/1992 | EP0179923B1 System for correcting error in digital data |
03/04/1992 | EP0166785B1 Disk reproducing apparatus |
03/04/1992 | CN1059249A Digital fm synthesizer for record circuitry |
03/04/1992 | CN1059224A Disc recording and/or reproducing apparatus |
03/04/1992 | CN1059223A Disc-shapeo recording medium and recording reproducing apparatus therefor |
03/03/1992 | US5093819 System having optical disk and disk drive unit |
03/03/1992 | US5093751 Carry noise measuring system for magnetic recording medium |
03/03/1992 | US5093750 System for recording/reproducing video data on or from a tape medium for storing digital signals and method therein |
03/01/1992 | CA2050099A1 Checksum calculation unit and method for error detection on data packets |
02/26/1992 | EP0472485A2 Data file directories and methods |
02/26/1992 | EP0472484A2 Structured data storage method and medium |
02/26/1992 | EP0472415A2 Error correction encoding apparatus |
02/26/1992 | EP0472414A1 Disc-shaped recording media |
02/26/1992 | EP0472397A1 Apparatus and method of reproducing synchronization signal in disc storage system |
02/26/1992 | EP0472375A2 Data conversion method, pilot signal formation method using the same and rotary magnetic head device using the same |
02/26/1992 | EP0472343A1 Disc recording and reproducing apparatus |
02/26/1992 | EP0472263A2 Recording medium playback apparatus |
02/26/1992 | EP0471672A1 Tape storage device. |
02/26/1992 | CN1059042A Operational method and apparatus over gf(2m) using subfield gf(2m/2) |
02/25/1992 | US5091806 Rotating magnetic recording medium recording/playback apparatus |
02/25/1992 | US5091805 Apparatus and method for recording and/or reproducing a digital signal |
02/25/1992 | US5091705 Fm modulator |
02/25/1992 | US5091635 Optical record medium including a data region, an identification region and a control data region, and a method of recording signals on the optical record medium |
02/25/1992 | CA1296424C High density storage of information on a compact disc |
02/20/1992 | WO1992002928A1 Precompensation and read equalization |
02/19/1992 | EP0471406A2 Circuit arrangement for reproducing |
02/19/1992 | EP0471130A1 Coding method and apparatus for pipelined and parallel processing |
02/18/1992 | US5089917 Digital signal recovery apparatus with minimized high frequency noise |
02/18/1992 | US5089899 Recording medium playing apparatus which permits changes in the display position of a reproduced image |
02/18/1992 | US5089821 Digital data reproducing circuit for a magnetic recording apparatus of reproducing digital data without being affected by capable external noise, drop-ins, and drop-outs |
02/18/1992 | CA1296103C High-speed, high capacity, fault-tolerant, error-correcting storage system |
02/12/1992 | EP0470792A1 Method of digital signal recording |
02/12/1992 | EP0470772A2 Digital video signal reproducing apparatus |
02/12/1992 | EP0470163A1 Improved security for machine-writeable data storage systems |
02/11/1992 | US5088081 Method and apparatus for improved disk access |
02/11/1992 | US5088080 Apparatus for deriving synchronizing signal from pre-formed marks on record carrier |
02/11/1992 | US5087992 Method for assigning tracks on a magnetic data storage disk to different read/write frequency zones |
02/11/1992 | CA1295733C Signal recording and/or reproducing apparatus |
02/06/1992 | WO1992002016A1 Digital data tape reading device |
02/06/1992 | WO1992001988A1 High-speed, high-capacity, fault-tolerant, error-correcting storage system for binary computers |
02/06/1992 | WO1991020124A3 Digital fm synthesizer for record circuitry |
02/05/1992 | EP0469931A1 Magnetic recording and reproduction apparatus for data processing unit and magnetic tape for use in such apparatus |
02/05/1992 | EP0469924A2 Method for balancing the frequency of DASD array accesses when operating in degraded mode |
02/05/1992 | EP0469727A1 Optical disc record/playback apparatus |
02/05/1992 | EP0469553A1 Disk controller including format control unit instructing directly jump back operation |
02/05/1992 | EP0469486A2 Apparatus for reproducing information from optical disk on which information is recorded by mark length recording |
02/05/1992 | EP0469131A1 A high speed encoder for non-systematic codes |
02/05/1992 | EP0468988A1 Pll circuit for generating a beat signal in a recorder |
02/04/1992 | US5086421 Disk playing apparatus having a compensation characteristic variable with velocity information |
02/04/1992 | CA1295419C Method and apparatus for eliminating apparent offset in the servo code in a magnetic disc drive |
02/02/1992 | EP0500711A1 Error correction method and apparatus |
01/29/1992 | EP0468656A1 Digital signal modulator |
01/29/1992 | EP0468646A2 Reproducing apparatus for temporarily writing reproduced data into memory |
01/29/1992 | EP0468472A1 Recording/reproducing circuit for disk apparatus |
01/29/1992 | EP0468346A2 Circuit for reproducing digital data |
01/29/1992 | EP0468112A1 Digital data tape reading device |
01/28/1992 | US5084858 Reproducing apparatus having an arithmetic circuit to linearly combine an inverse matrix of crosstalk ratios relative to the adjacent tracks and signals read from the adjacent and traced tracks |
01/28/1992 | US5084852 System for recording digital information in a pulse-length modulation format |
01/28/1992 | US5084790 Recording control apparatus |
01/28/1992 | US5084789 "Parallel transfer type disk system" |
01/28/1992 | US5084788 Pcm signal reproducing/recording apparatus |
01/28/1992 | US5084787 Method and apparatus for data decoding and processing |
01/28/1992 | US5084786 Magnetic tape memory apparatus with axially displaced heads enabling after recording and verification |
01/28/1992 | US5084767 Television signal recording and reproducing system using optical recording medium |
01/28/1992 | CA1295047C Digital video tape recorders |
01/23/1992 | DE4123873A1 Magnetic disc drive mechanism with cache memory - contg. separate regions for input and output data for reduced access times and increased throughput |
01/22/1992 | EP0467674A2 Method of and apparatus for converting and/or detecting data |
01/22/1992 | EP0467615A2 Magnetic storage system and method of operation |
01/22/1992 | EP0467272A2 Video and audio signal recording/reproducing apparatus |
01/21/1992 | US5083310 Compression and expansion technique for digital audio data |
01/21/1992 | US5083303 Sector mark detecting apparatus in optical disc apparatus |
01/21/1992 | US5083264 Process and apparatus for saving and restoring critical files on the disk memory of an electrostatographic reproduction machine |
01/21/1992 | US5083224 Apparatus for recording an audio signal with protection against re-recording thereof, and recording apparatus which indicates the presence of such protection |
01/21/1992 | US5083212 Apparatus and method for recording a color television signal on an optical disc |
01/21/1992 | US5083197 Apparatus for restoring the correct phase relation of the chroma and luminance signals passed through separate paths |
01/15/1992 | EP0466442A2 Non-linear preemphasis-deemphasis circuits |
01/15/1992 | EP0466399A2 Apparatus for reproducing information |
01/15/1992 | EP0466398A2 Information storage medium and apparatus for reproducing information therefrom |
01/15/1992 | EP0466329A2 Apparatus for detecting digital data signals in a analog readback signal |
01/15/1992 | EP0466296A2 A data recovery channel in a fault tolerant disk drive array and a method of correcting errors therein |
01/15/1992 | EP0466190A2 Quantizing error reducer for audio signal |
01/15/1992 | EP0466162A1 Image recording apparatus |
01/15/1992 | EP0465630A1 Data dictionary sharing |
01/15/1992 | CN1057921A Disc recording/ reproducing apparatus |
01/14/1992 | US5081548 Data storage apparatus and method |
01/14/1992 | US5081547 Apparatus and method for automatic adjustment of read amplitude threshold in a digital tape drive |
01/14/1992 | US5081369 Signal processing circuit with digital delay |
01/14/1992 | US5080479 Automatic implanting of identification data in any recorded medium |
01/14/1992 | CA1294334C Digital data separator |
01/09/1992 | WO1992000647A1 Method and apparatus for storing text data in subcode packs |
01/09/1992 | WO1992000589A1 Read/write control for disk drive |
01/08/1992 | EP0465428A2 Digital modulated signal demodulator/decoder apparatus |
01/08/1992 | EP0465247A2 Information storage medium and apparatus for reproducing information therefrom |
01/08/1992 | EP0465246A2 Information storage medium and apparatus for reproducing information therefrom |
01/08/1992 | EP0465159A2 Data recording apparatus |
01/08/1992 | EP0465103A2 Video tape recording and/or reproducing apparatus |
01/08/1992 | EP0465053A2 Disc recording/reproducing apparatus |
01/08/1992 | EP0464871A2 Optical information recording/reproducing apparatus |
01/08/1992 | EP0464811A2 Information recording medium and information recording and reproducing apparatus |
01/08/1992 | EP0464698A1 Method of recording digital signals |