Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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01/26/1993 | US5182678 PCM signal reproducing/recording apparatus |
01/26/1993 | US5182520 Non-linear de-emphasis circuit |
01/26/1993 | CA1313268C Data demodulation system |
01/26/1993 | CA1313265C Recording format for an optical recording medium |
01/26/1993 | CA1313257C Circuit for identifying when a reproduced color video signal has been recorded in a high-band or low-band mode |
01/26/1993 | CA1313256C Circuit for detecting a video mode |
01/21/1993 | WO1993001593A1 Audio record carrier and players for playing said record carrier |
01/21/1993 | WO1993001591A1 Method and apparatus for digital storage and retrieval of data |
01/21/1993 | WO1993001548A1 Modified viterbi detector with run-length code constraint |
01/21/1993 | WO1992021224A3 Optical disk drive assembly having selectable compression and emulation |
01/21/1993 | WO1992018210A3 Sporting device steerable by weight displacement and a steerable wheel assembly for use therein |
01/21/1993 | DE4223155A1 Tonmontagevorrichtung fuer einen 8mm-videokassettenrecorder Sound editing apparatus for an 8mm video cassette recorder |
01/21/1993 | DE4123759A1 Identification of non-visible faults on test CD disc surface - feeding optical signal output to detector circuit to identify changes in code to locate fault |
01/20/1993 | EP0523985A2 Disc recording apparatus |
01/20/1993 | EP0523952A2 Optical information recording and reproducing apparatus and recording medium |
01/20/1993 | EP0523708A2 Method and apparatus for recording digital video signals |
01/20/1993 | EP0523703A2 Magnetic recording apparatus |
01/20/1993 | EP0523348A1 System for recording data on a storage medium |
01/20/1993 | EP0140957B1 Audio digital recording and playback system |
01/19/1993 | US5181196 Erase mark detecting circuit for detecting an erase mark superimposed on data recorded on a sector of an optical recording medium |
01/19/1993 | US5181147 Rotary head assembly for substantially concurrent recording and monitoring of data on a magnetic tape cassette or the like |
01/14/1993 | DE4214855A1 Audioschreibsteuerung Audio write control |
01/13/1993 | EP0522869A2 Digital signal processing apparatus for signals having different data configurations |
01/13/1993 | EP0522867A2 Magnetic reproduction apparatus |
01/13/1993 | EP0522853A2 Digital data reproducing apparatus and method |
01/13/1993 | EP0522750A2 A multiple track data storage disk, a method of formatting and a data recording disk file |
01/13/1993 | EP0522734A1 Circuit and method of signal differentiation |
01/13/1993 | EP0521924A1 Methods and apparatus for assigning signatures to members of a set of mass storage devices |
01/13/1993 | EP0287593B1 Substituting soundtrack |
01/12/1993 | US5179684 Method of changing the track and recording data |
01/12/1993 | US5179476 Signal processor |
01/12/1993 | US5179453 Recording medium playback apparatus including a variable compensation circuit |
01/12/1993 | US5179452 Method for producing copy protected recorded videotape having uncopyable vertical synchronizing signal partition |
01/12/1993 | US5179451 Method and device for signal reproduction used in a digital signal reproduction apparatus |
01/12/1993 | US5179450 Video signal processing apparatus and method for the time base compensation |
01/07/1993 | WO1993000681A1 Opto-magnetic data recording system |
01/07/1993 | EP0521744A2 Maximum likelihood decoder |
01/07/1993 | EP0521646A1 Method and apparatus for synchronising a data stream with clock signals used for reading the data stream |
01/07/1993 | EP0521487A1 Information recording medium and reproducing device therefor |
01/07/1993 | EP0521454A2 Optical information recording/reproducing apparatus |
01/07/1993 | EP0521236A2 Method and apparatus for identifying signal format for use in disk player |
01/07/1993 | EP0521215A1 Disk drive read circuit with programmable differentiator delay |
01/07/1993 | DE4220694A1 Optical disc for information recording - is divided into two areas of memory with one area having CAV mode and other CLV mode of recording |
01/07/1993 | CA2090416A1 Data recording system of magneto-optic type |
01/06/1993 | CN1067761A Type of error signalling for optical information media |
01/05/1993 | US5177729 Method and apparatus for reading information on information recording medium having track structure |
01/05/1993 | US5177728 Disc player for playing different types of discs which automatically identifies the type of a currently loaded disc |
01/05/1993 | US5177720 Optical disc recording system |
01/05/1993 | US5177651 Magnetic media and servo synchronization method |
01/05/1993 | US5177618 Dual deck vcr and duplicating circuit therefor |
01/05/1993 | US5177482 Rll encoder and decoder with pipelined plural byte processing |
12/30/1992 | EP0520789A2 Video coder and coding method |
12/30/1992 | EP0520734A2 Read error compensations in data storage systems |
12/30/1992 | EP0520707A2 Data storage apparatus |
12/30/1992 | EP0520444A2 Method and apparatus for recording compressed audio data on a video record medium |
12/30/1992 | EP0520381A2 Optical recording apparatus |
12/30/1992 | EP0520068A1 Encoder/decoder for multidimensional sound fields. |
12/30/1992 | EP0240363B1 Error correction methods |
12/30/1992 | CN1019704B Apparatus for recording and/or reproducing digital data |
12/29/1992 | US5175748 Waveform shaping circuit and receiver using same |
12/29/1992 | US5175655 Method and apparatus for verifying a signal recorded in an encoded form on a medium |
12/29/1992 | US5175654 Disk apparatus |
12/29/1992 | US5175545 Data coding system in a magnetic recording apparatus |
12/29/1992 | CA2072055A1 Digital video recorder operable in standard and long play modes |
12/29/1992 | CA1312140C Fast speed reproduction system for digital disc |
12/24/1992 | DE4216593A1 Car recording and playback system using CD player and magnetic disc - has abnormal conditions in reading disc identified and automatic process started to repeat process for recording data block onto tape |
12/23/1992 | WO1992022898A1 Method for recording on disc |
12/23/1992 | WO1992022865A1 Phantom duplex copy group apparatus for a disk drive array data storage subsystem |
12/23/1992 | EP0519764A1 Embedded servo banded format for magnetic disks for use with a data processing system |
12/23/1992 | EP0519684A2 Reading signals for optical storage media |
12/23/1992 | EP0519670A2 Apparatus for maintaining fault tolerance in a disk drive array |
12/23/1992 | EP0519669A2 Encoding and rebuilding data for a DASD array |
12/23/1992 | EP0519446A2 Information reproduction apparatus |
12/23/1992 | EP0518986A1 Data storage apparatus and method |
12/23/1992 | EP0362315B1 Device for monitoring acoustic signal processing systems |
12/22/1992 | US5173886 Composite optical disc having both a data read-only area and a data rewritable area, and a recording/reproducing system for use therewith |
12/22/1992 | US5173815 Recording position compensation circuit for use in digital information recording-reproduction apparatus |
12/22/1992 | US5173779 Camcorder with electronic still-photographing function |
12/22/1992 | US5173694 Binary data encoding and decoding using a rate 2/5 (2,18,2) code |
12/22/1992 | US5173664 Phase locked loop having constant gain for recovering clock from non-uniformly spaced data |
12/22/1992 | CA1311841C Apparatus for recording a digital signal |
12/16/1992 | EP0518782A2 Bit detecting method and apparatus |
12/16/1992 | EP0517857A1 Disk array system |
12/16/1992 | EP0254748B1 Device for detecting defect of disc-like recording media |
12/15/1992 | US5172381 Enhanced data formats and machine operations for enabling error correction |
12/15/1992 | US5172380 Digital signal transmission apparatus |
12/15/1992 | US5172359 System for recording digital data |
12/15/1992 | US5172357 Phase-synchronous controller for production of reference clock signal in optical disk drive system |
12/15/1992 | US5172242 Visual presentation system employing two or more video disk players for providing as many correlated images |
12/15/1992 | US5172241 Recording/playback system for VCR |
12/15/1992 | CA1311558C Information recording-reproducing method and apparatus |
12/10/1992 | WO1992022137A1 Low computational-complexity digital filter bank |
12/10/1992 | WO1992022064A1 Signalization of types of defects of an optical information carrier |
12/10/1992 | WO1992022060A1 Improved signal encode/decode system |
12/10/1992 | WO1992021224A2 Optical disk drive assembly having selectable compression and emulation |
12/09/1992 | EP0517490A2 Multiple data surface optical medium and data storage system |
12/09/1992 | EP0517483A2 Fault tolerant RLL data sector address mark decoder |
12/09/1992 | EP0517478A2 Servo data recovery circuit for disk drive having digital embedded sector servo |
12/09/1992 | EP0517473A2 Miniature disk drive having embedded sector servo with split data fields and automatic on-the-fly data block sequencing |
12/09/1992 | EP0517230A2 Disc-shaped recording medium and apparatus for reproducing track addresses recorded on the disc-shaped recording medium |