| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
|---|
| 08/18/1987 | US4688205 Data demodulation apparatus |
| 08/18/1987 | US4688204 Pulsed optical data detection system |
| 08/18/1987 | US4688116 Apparatus for recording and/or reproducing digital signal |
| 08/18/1987 | US4688115 Apparatus for reproducing a digital signal |
| 08/18/1987 | US4688113 Apparatus for calibrating tape drive read system |
| 08/18/1987 | US4688107 Information recording and regenerating system |
| 08/18/1987 | CA1225739A1 Non-linear emphasis circuit |
| 08/13/1987 | WO1987004847A1 Device for detecting defect of disc-like recording media |
| 08/13/1987 | WO1987004838A1 Apparatus and method for increasing storage capacity of recording media |
| 08/12/1987 | EP0232181A2 Digital information reproducing apparatus |
| 08/12/1987 | EP0232144A2 Data demodulation system |
| 08/12/1987 | EP0232134A2 Optical disc and disc drive apparatus for writing/reading data into/from the disc |
| 08/12/1987 | EP0232133A2 Digital signal error correction |
| 08/12/1987 | EP0231380A1 Method of recording data onto an optical data recording card |
| 08/12/1987 | CN87100569A Error correction apparatus for digital data |
| 08/12/1987 | CN86107924A Reconstruction of image apparatus |
| 08/11/1987 | US4686586 Read back circuit for recovering data from magnetic storage medium |
| 08/11/1987 | US4686585 VTR having automatic carrier detection |
| 08/11/1987 | US4686583 Dropout compensating apparatus using a digital delay circuit |
| 08/06/1987 | DE3603136A1 Gain control |
| 08/06/1987 | DE3603135A1 Method of reducing the storage space requirement for electronic percussion instruments |
| 08/04/1987 | US4685098 Apparatus for reproducing data signal |
| 08/04/1987 | US4685013 Magnetic tape head alignment system |
| 08/04/1987 | US4685005 Two-module-read, read-after-write, bi-directional tape drive |
| 08/04/1987 | US4685004 Rotary head type PCM recording and reproduction method and system |
| 08/04/1987 | US4684901 Automatic phase control circuit |
| 07/29/1987 | EP0230337A2 Frequency-division circuit arrangement |
| 07/29/1987 | EP0230310A2 Velocity error correcting circuit |
| 07/29/1987 | CN86108426A 数据存储系统 Data storage system |
| 07/28/1987 | US4683572 Decoding device for code symbols protected by Reed-Solomon code |
| 07/28/1987 | US4683502 Video disc type recording and reproducing system with interference reduction filter |
| 07/28/1987 | US4683385 Pulse number detection circuit |
| 07/28/1987 | CA1224876A1 Data compression system and method for audio signals |
| 07/21/1987 | US4682333 Decoder for decoding a two-stage encoded code |
| 07/21/1987 | US4682332 Method and apparatus for recording digital signals |
| 07/21/1987 | US4682318 Method and apparatus for updating optical memory disc |
| 07/21/1987 | US4682317 Subcode signal reading circuit in an optical type disc player |
| 07/21/1987 | US4682312 Disc player with search noise suppression |
| 07/21/1987 | US4682305 Storage system |
| 07/21/1987 | US4682252 Method and apparatus for evaluating a recording system utilizing a programmable window generator having first and second multivibrators providing delay |
| 07/21/1987 | US4682248 Audio and video digital recording and playback system |
| 07/21/1987 | US4682246 Characterizing the information transfer characteristics of a recording medium |
| 07/21/1987 | US4682121 Phase discriminator and data standardizer |
| 07/21/1987 | US4682115 Apparatus for regenerating original signals |
| 07/21/1987 | CA1224571A1 Method of correcting erroneous values of samples of an equidistantly sampled signal an device for carrying out the method |
| 07/15/1987 | EP0228882A2 Recorder-decoder system and decoder for such a system |
| 07/15/1987 | EP0228851A2 Sound field expansion systems |
| 07/15/1987 | EP0228646A2 A signal processing apparatus for disc memory devices |
| 07/15/1987 | EP0228534A2 Electrical apparatus for increasing digital data density by signal processing |
| 07/14/1987 | US4680766 Decoding digital data |
| 07/14/1987 | US4680764 Method and apparatus for transmitting digital data |
| 07/14/1987 | US4680763 Digital data recording and reproducing device |
| 07/14/1987 | US4680703 Data processing system with reorganization of disk storage for improved paging |
| 07/14/1987 | US4680658 Apparatus for correcting a time base error and for compensating dropouts included in a reproduced video signal |
| 07/14/1987 | US4680653 Rotating storage device track format emulation |
| 07/14/1987 | US4680647 Method for recording and reproducing video format signal |
| 07/14/1987 | US4680622 Apparatus and method for mixing video signals for simultaneous presentation |
| 07/14/1987 | CA1224273A1 Method and apparatus for converting a digital data |
| 07/14/1987 | CA1224272A1 Method and apparatus for converting a digital signal |
| 07/14/1987 | CA1224266A1 Selective scrambling in the compact disc system |
| 07/09/1987 | DE3600164A1 Device for block-by-block transmission of binary signals |
| 07/08/1987 | EP0228257A2 Optical data recording and reproducing apparatus with erase function diagnosis |
| 07/08/1987 | EP0228245A2 Digital level detecting circuit |
| 07/07/1987 | US4679180 Process for direct over-writing of digital data recorded on magneto-optical recording media |
| 07/07/1987 | US4679102 Method and means for parking read/write heads in a disc drive using the back-EMF of the spindle motor to operate a stepper motor |
| 07/07/1987 | US4678897 Processes and devices for reading magnetic access control cards or similar |
| 07/07/1987 | CA1223965A1 High speed data compression and decompression apparatus and method |
| 07/01/1987 | EP0227530A1 Method for recording with updating and for the reproduction of data on a non-erasable sectorial record carrier |
| 07/01/1987 | EP0227389A2 Apparatus and method for calibrating recording and transmission systems |
| 07/01/1987 | EP0227071A2 Video disc reproducing apparatus |
| 07/01/1987 | EP0226960A1 Synchronous control system |
| 07/01/1987 | EP0226877A2 Method for transmitting bit signals, bit signal transmitter and receiver for carrying out this method, as well as a record carrier for this method |
| 07/01/1987 | CN86108556A Signal processing device for disk storage apparatus |
| 06/30/1987 | US4677645 Audio signal transmission system having noise reduction means |
| 06/30/1987 | US4677622 Error correction method and system |
| 06/30/1987 | US4677621 Signal storage system |
| 06/30/1987 | US4677606 Data recording and reproducing method |
| 06/30/1987 | US4677512 Magnetic reproducing apparatus |
| 06/30/1987 | US4677499 Digital time base corrector |
| 06/30/1987 | US4677421 Digital information signal encoding method with reduced run length and improved self-clocking |
| 06/24/1987 | EP0226456A2 Signal recording and reproducing apparatus |
| 06/24/1987 | EP0226412A2 Apparatus for detecting & correcting data transfer errors in a magnetic disk system |
| 06/24/1987 | EP0225968A2 Quasi-analog reconstruction of an amplitude and frequency varying analog input signal |
| 06/23/1987 | US4675869 Fast decoder and encoder for Reed-Solomon codes and recording/playback apparatus having such an encoder/decoder |
| 06/23/1987 | US4675857 System for reproducing information from an optically readable record carrier, apparatus for use in said system, and record carrier for use in said system |
| 06/23/1987 | US4675855 Reproducing rate control apparatus for information recording disc |
| 06/23/1987 | US4675754 Magnetic recorder/reproducer |
| 06/23/1987 | US4675749 Disc player system with digital information demodulation operation |
| 06/23/1987 | US4675748 Time-base correcting device used in a disk reproducing device |
| 06/23/1987 | US4675735 Error concealment in digital television signals |
| 06/18/1987 | WO1987003732A1 Digital information storage and retrieval using video signals |
| 06/16/1987 | US4674071 Data recording area signal generating method and apparatus |
| 06/16/1987 | US4673980 Video-signal time-axis correction apparatus |
| 06/16/1987 | US4673916 Method and system for decoding a digital signal using a variable frequency low-pass filter |
| 06/16/1987 | CA1223065A1 Method for uniformly encoding data occurring with different word lengths |
| 06/16/1987 | CA1223064A1 Doublet detector for data recording or transmission |
| 06/10/1987 | EP0224929A2 Apparatus and method for preventing unauthorized dubbing of a recording signal |
| 06/09/1987 | US4672637 Adaptive bit synchronizer |
| 06/09/1987 | US4672635 Circuit arrangement for noise suppression in binary data signals in a digital transmission system |
| 06/09/1987 | US4672597 Clock signal reproducing circuit for a player reproducing information of a disc |