Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
---|
01/26/1988 | US4722010 Read circuit for floppy disk drive |
01/26/1988 | US4722009 Tone restoring apparatus |
01/26/1988 | CA1232067A1 Integrated floppy disk drive controller |
01/20/1988 | EP0253215A1 Method and apparatus for processing pulses of a signal which is distorted during transmission |
01/20/1988 | EP0253192A2 Magnetic recording and reproducing device |
01/20/1988 | CN87200993U Large-scale storing and searching device for colour image and pattern |
01/20/1988 | CN87104485A 信息记录和重现装置 Information recording and reproducing apparatus |
01/19/1988 | US4720751 Video recording apparatus which records chrominance information at a lower frequency band coincident with the luminance signal frequency band |
01/19/1988 | CA1231778A1 Sector mark decoder for an optical recorder |
01/19/1988 | CA1231777A1 Write protection and data detection using differential detection |
01/12/1988 | US4719642 Error detection and concealment using predicted signal values |
01/12/1988 | US4719612 Method of detecting defects on an optical record medium and a device for carrying out the method |
01/12/1988 | US4719523 Synchronizing signal detecting circuit |
01/12/1988 | US4719522 Method of magnetic recording |
01/12/1988 | US4719521 PCM recording and reproducing apparatus |
01/12/1988 | US4719519 Component video signal magnetic recording and reproducing apparatus including means for expanding and compressing luminance and color difference signals |
01/07/1988 | EP0251722A2 Digital filter for time-axis error correction loop of video disk player |
01/07/1988 | EP0251666A2 Apparatus for recording and reproducing information |
01/07/1988 | EP0251646A2 Audio production console |
01/07/1988 | EP0251277A2 A recording/reproducing system for a magnetic recording medium |
01/07/1988 | EP0251276A2 A recording/reproducing system for a magnetic recording medium |
01/07/1988 | EP0251274A2 A recording/reproducing system for a magnetic recording medium |
01/07/1988 | EP0250729A1 Apparatus for transmitting a data stream |
01/07/1988 | DE3622532A1 Process and arrangement for reproducing digital data |
01/05/1988 | US4718067 Device for correcting and concealing errors in a data stream, and video and/or audio reproduction apparatus comprising such a device |
01/05/1988 | US4717973 Recorded information verification system |
01/05/1988 | US4717972 Process for storing digitally coded video synchronous sound signals through time compression by duplicating sound data during recordation |
12/29/1987 | US4716567 Method of transmitting digital data in which error detection codes are dispersed using alternate delay times |
12/29/1987 | US4716566 Error correcting system |
12/29/1987 | US4716565 Error concealing system for digital data |
12/29/1987 | US4716558 Record disc addressing apparatus |
12/29/1987 | US4716475 Read post compensator circuit for magnetic record/reproduce device |
12/29/1987 | US4716472 Variable speed replay of digital audio with constant output sampling rate |
12/29/1987 | CA1230828A1 Digital graphic equalizer |
12/23/1987 | EP0250049A1 Channel encoder |
12/23/1987 | EP0249781A2 Compact disc (CD) player |
12/22/1987 | US4714968 Digital apparatus for data recovery system |
12/22/1987 | US4714967 Binarily related variable rate recorder |
12/16/1987 | EP0249462A1 Recording disk reproducing apparatus |
12/16/1987 | EP0249291A1 Device for regenerating a binary digital signal, for example a bi-phase encoded signal |
12/16/1987 | EP0249106A2 Asymmetric rll coding |
12/16/1987 | EP0249091A2 Parity spreading to enhance storage access |
12/16/1987 | EP0249069A1 Method and device for the conversion of a digital signal |
12/16/1987 | EP0249064A2 Disk drive optimized channel circuit |
12/15/1987 | US4713802 Digital signal reproducing circuit |
12/15/1987 | CA1230419A1 Toon code for optical recording |
12/09/1987 | EP0248713A1 Background noise reduction device in an electroacoustic line-up |
12/09/1987 | EP0248536A2 Methods of and apparatus for seeking a target address on a record medium |
12/09/1987 | EP0248478A1 Sequential buffer device |
12/09/1987 | EP0248206A2 Error communication decoder for direct access storage device |
12/08/1987 | CA1230178A1 Disc playback apparatus |
12/08/1987 | CA1230061A1 Dictation recording and transcribing system with variable playback sequence |
12/02/1987 | EP0247441A1 Optical information recording/reproducing tape, process for production thereof, and recording/reproducing method therefor |
12/02/1987 | EP0247274A2 Detection of the presence of an incorrect removable storage medium |
12/02/1987 | CN87103190A Synchronizing method for digital apparatus |
12/01/1987 | US4710923 Control system for deinterleaving memories in digital audio reproducing apparatus |
12/01/1987 | US4710826 Apparatus with liquid crystal display panel, for recording/playing back television signal by utilizing digital audio tape recorder system |
12/01/1987 | CA1229909A1 Digital audio scrambling system with error conditioning |
12/01/1987 | CA1229799A1 Apparatus for reducing noise in audio signals |
11/25/1987 | EP0246883A2 Apparatus for reproducing digital data |
11/25/1987 | EP0246661A2 Apparatus for recording information signals |
11/25/1987 | EP0246485A2 Rotating storage device track format emulation |
11/25/1987 | EP0138981B1 Improved error protection of linearly coded digital signals |
11/24/1987 | US4709367 Method and apparatus for distinguishing between diskettes in a diskette drive |
11/24/1987 | US4709278 Method and apparatus for producing and selectively equalizing a temporal relationship between series of digital signals |
11/24/1987 | US4709276 Time base corrector |
11/24/1987 | CA1229679A1 Single revolution disk sector formatter |
11/24/1987 | CA1229541A1 Pressure regulator |
11/19/1987 | EP0245874A2 Information recording and reproducing apparatus |
11/19/1987 | EP0245449A1 Binarily related variable rate recorder |
11/17/1987 | US4707842 Apparatus and method for acquiring data and clock pulses from asynchronous data signals |
11/17/1987 | US4707818 Method and apparatus for recording digitized information on a disc |
11/17/1987 | US4707805 Data processing circuit for digital audio system |
11/17/1987 | US4707733 Information signal recording disc comprising a connected region formed between parallel program recorded and single program recorded regions, and reproducing apparatus therefor |
11/11/1987 | EP0245037A2 Signal identification |
11/11/1987 | EP0244665A2 Apparatus for, and a method of, obtaining a measure of data detection error |
11/11/1987 | EP0116544B1 Management of defects in storage media |
11/11/1987 | EP0113765B1 Digital clocking and detection system for a digital storage system |
11/11/1987 | CN87102451A Sound signal synchronized driving device |
11/10/1987 | US4706293 Circuitry for characterizing speech for tamper protected recording |
11/10/1987 | US4706282 Decoder for a recorder-decoder system |
11/10/1987 | US4706250 Method and apparatus for correcting multibyte errors having improved two-level code structure |
11/10/1987 | US4706236 Slice level corrector |
11/10/1987 | US4706136 Method for controlling a magnetic disk memory |
11/10/1987 | US4706134 Playback unit for still pictures with sound |
11/10/1987 | US4706132 Video signal processing system |
11/10/1987 | CA1229173A1 Mass storage disk drive defective media handling |
11/10/1987 | CA1229170A1 Decoding device for a stream of code symbols which are word-wise protected by a double reed-solomon code |
11/10/1987 | CA1229169A1 Fast decoder and encoder for reed-solomon codes |
11/10/1987 | CA1229165A1 Direct read after write |
11/10/1987 | CA1229164A1 High density codes for optical recording |
11/05/1987 | WO1987006785A1 Apparatus useful in channel equalization adjustment |
11/05/1987 | WO1987006783A1 Method and device for recording and reading of numerical sound information signals |
11/04/1987 | EP0244002A1 Method of transmitting update information for a stationary video picture |
11/04/1987 | EP0243729A2 Method and apparatus for eliminating apparent offset in the servo code in a magnetic disc drive |
11/04/1987 | EP0243503A1 Data recording/regenerating device |
11/03/1987 | US4704711 Process and device for regenerating the phase of synchronizing signals in a data carrier optical write-read apparatus |
11/03/1987 | US4704642 Noise reduction circuit for reducing pulse noise in audio signal reproduced from a recording medium |
11/03/1987 | US4704641 Recovery of stored data from mutilated tape data blocks |
11/03/1987 | US4704640 Method and apparatus for recording PCM signal |