| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 07/26/1989 | EP0325325A2 System for transferring information using an information carrier |
| 07/25/1989 | US4852126 Digital information reproducing apparatus |
| 07/25/1989 | US4852105 System for evaluation of a subcode |
| 07/25/1989 | US4852102 Interleave sequence method |
| 07/25/1989 | US4852101 Apparatus for recording and/or reproducing optical cards |
| 07/25/1989 | US4852074 Method of measurement of crosstalk noise in playback information signal |
| 07/25/1989 | US4851934 Analog signal synthesizing processing circuit with periodic noise compensation |
| 07/25/1989 | US4851933 Magnetic disk apparatus having magnetic head with pre-erase gap |
| 07/25/1989 | US4851932 Adaptive compensation circuit for moving data storage media |
| 07/25/1989 | US4851931 Method and apparatus for producing an audio magnetic tape recording at high speed from a preselected music library |
| 07/25/1989 | US4851928 Apparatus for recording low and high bond components of a chrominance signal |
| 07/25/1989 | US4851909 Method and apparatus for maintaining audio/ video synchronism in a television signal read-out from a digital buffer memory by a reference signal |
| 07/25/1989 | US4851837 Method and apparatus for processing digital signals prior to recording |
| 07/25/1989 | US4851785 Circuit arrangement for detecting whether a predetermined frequency swing is exceeded |
| 07/25/1989 | CA1257928A1 Video-signal time-axis correction apparatus |
| 07/25/1989 | CA1257926A1 Apparatus for recording a video signal |
| 07/19/1989 | EP0324542A2 Apparatus for assembly and disassembly of packets of data communicated between a computer and a high capacity tape drive |
| 07/19/1989 | EP0324532A2 Threshold tracking system |
| 07/19/1989 | EP0324126A1 Sound reproducing apparatus |
| 07/18/1989 | US4849994 Method of transmitting digitally coded signals |
| 07/18/1989 | US4849975 Error correction method and apparatus |
| 07/18/1989 | US4849957 Digital signal reproducing circuit |
| 07/18/1989 | US4849956 Information recording and reproducing apparatus |
| 07/18/1989 | US4849929 Method of recording in a disk memory and disk memory system |
| 07/18/1989 | US4849837 Method of, and apparatus for, recording audio signals using recording signals free of audio frequencies |
| 07/18/1989 | US4849836 Copy protection for computer discs |
| 07/18/1989 | US4849835 Disk servo with PLL for detecting timing deviations |
| 07/18/1989 | US4849834 Read channel architecture for processing read head signals |
| 07/18/1989 | US4849833 Image signal recording apparatus |
| 07/18/1989 | US4849711 Automatic gain control system |
| 07/18/1989 | CA1257695A1 Digital information storage and retrieval using video signals |
| 07/18/1989 | CA1257661A1 Clock phase discriminator |
| 07/13/1989 | WO1989006428A1 Monitoring optical disk long term error rates |
| 07/13/1989 | WO1989006427A1 Synchronization for stored data |
| 07/13/1989 | WO1989006426A1 Stored data error correction system |
| 07/12/1989 | EP0323911A2 Recording digital signals |
| 07/12/1989 | EP0323890A2 Data storage method |
| 07/12/1989 | EP0323523A1 Optical recording medium |
| 07/12/1989 | CN1004785B 信号录制和/或再现设备 Signal recording and / or reproducing apparatus |
| 07/11/1989 | US4847840 Digital data error block detection and display device |
| 07/11/1989 | US4847816 Audio information reproducing apparatus |
| 07/11/1989 | US4847707 Rotary head type reproducing apparatus with crosstalk reduction |
| 07/11/1989 | US4847705 Method and apparatus for encoding magnetic disk sector addresses |
| 07/11/1989 | US4847704 Disk driving device |
| 07/11/1989 | US4847703 Data transmission and detection system |
| 07/11/1989 | US4847702 Method and apparatus for converting a binary signal |
| 07/11/1989 | US4847701 Sub-nyquist sampling apparatus with improved effects processing |
| 07/11/1989 | US4847697 Reproducing speed control system for a video disk player |
| 07/05/1989 | EP0323227A2 Information recording-reproducing method and apparatus |
| 07/05/1989 | EP0323202A1 Disk player |
| 07/05/1989 | EP0323119A2 Method for transmitting digital data |
| 07/05/1989 | EP0323102A2 Recording medium reproducing device with automatic volume control |
| 07/05/1989 | EP0322817A2 Recording method for magnetoptical disk and apparatus therefor |
| 07/05/1989 | EP0322782A2 Circuit for detecting a synchronizing signal |
| 07/05/1989 | CN1033710A Non-statistical method and device for determining error rate of optical disk |
| 07/04/1989 | US4845576 Magnetic recording/reproduction apparatus |
| 07/04/1989 | US4845575 Analog floppy disk data separator |
| 07/04/1989 | US4845574 Apparatus for recording and reproducing digital signals on magnetic tape |
| 07/04/1989 | US4845573 System with filter system for improved reliability for recording data on a magnetic recording medium |
| 07/04/1989 | US4845572 Multiplied-speed reproducing system in information reproducing apparatus |
| 07/04/1989 | US4845571 Programmed reproduction system for still picture recording/reproduction device |
| 07/04/1989 | CA1256986A1 Dropout correcting apparatus |
| 06/28/1989 | EP0322078A1 Decoding device for a record carrier provided with a multi-track data pattern which includes error protection data, and player comprising such a decoding device |
| 06/28/1989 | EP0321942A2 Servo pattern for a flexible magnetic disk |
| 06/28/1989 | EP0321659A2 Multiple-disk player with automatic fading out function |
| 06/28/1989 | EP0321587A1 Reader circuit for optical recording medium |
| 06/28/1989 | CN1004662B High density tape recording technology for common cassette recorder |
| 06/27/1989 | US4843489 Detection and verification of lapses or shifts of synch words in PCM data |
| 06/21/1989 | EP0321314A2 Optical disc |
| 06/21/1989 | EP0321251A2 Method for managing information concerning defects on storage media |
| 06/21/1989 | EP0321217A2 System for transmitting a digital video signal |
| 06/21/1989 | EP0321077A2 Apparatus and method for recording a digital signal |
| 06/20/1989 | US4841513 Sequential buffer device |
| 06/20/1989 | US4841504 Method and apparatus for recording an information signal on a rotary recording medium |
| 06/20/1989 | US4841498 Information recording/reproducing apparatus with means for substituting predetermined good sectors for defective ones |
| 06/20/1989 | US4841390 Digital signal reproducing apparatus |
| 06/20/1989 | US4841385 Data signal reproducing apparatus |
| 06/20/1989 | US4841383 Control pulse recording circuit for magnetic recording and reproducing apparatus |
| 06/20/1989 | US4841382 Audio recording device |
| 06/20/1989 | US4841378 Video camera enablement system utilizing a video cassette characteristic |
| 06/20/1989 | US4841301 Device operable like an automatic level control circuit for decoding a multivalued signal |
| 06/20/1989 | US4841167 Clock recovering device |
| 06/20/1989 | CA1256203A1 Recording apparatus for recording a video signal obtained from a high speed scanning video camera |
| 06/15/1989 | WO1989005509A1 Disk recording apparatus |
| 06/14/1989 | EP0320107A2 Parallel disk drive array storage system |
| 06/14/1989 | EP0320022A2 DC Restoration circuit for restoring and compensating for low frequency component lost in digital signal transmission system |
| 06/13/1989 | US4839879 Method for recording data on non-defective sectors of an optical disk |
| 06/13/1989 | US4839878 Apparatus for controlling the writing of data in disk sectors |
| 06/13/1989 | US4839843 Method and apparatus for correcting a sequence of invalid samples of an equidistantly sampled signal |
| 06/13/1989 | US4839755 Rotary head type digital signal reproducing apparatus with different modes and tracking control |
| 06/13/1989 | US4839753 Information recording disk |
| 06/13/1989 | US4839750 Method and apparatus for recording and/or reproducing a PCM signal with asynchronous operation |
| 06/13/1989 | US4839748 Initial state setting system for still picture recording/reproduction device |
| 06/13/1989 | US4839746 Information reproduction method for complex and CD disks |
| 06/13/1989 | CA1255803A1 Device operable like an automatic level control circuit for decoding a multivalued signal |
| 06/13/1989 | CA1255771A1 Error correction system with cross-interleaved reed-solomon code |
| 06/07/1989 | EP0319441A2 Encoding for pit-per-transition optical data recording |
| 06/07/1989 | EP0319245A2 Optical information recording apparatus |
| 06/07/1989 | EP0319218A2 Data reproducing apparatus |
| 06/07/1989 | EP0319188A2 Method and apparatus for data integrity checking with fault tolerance |