| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
|---|
| 06/07/1989 | EP0319106A1 Method of and device for recording information, record carrier. |
| 06/07/1989 | EP0319102A1 Method of and device for recording information on a record carrier, and device for reading the recorded information |
| 06/07/1989 | EP0319101A1 Method of and device for recording information, record carrier, device for reading the recorded information, and encoding and decoding circuit for use in the recording and read device |
| 06/06/1989 | US4837644 Magnetic recording/reproduction apparatus |
| 06/06/1989 | US4837643 Circuit for controlling frequency and phase of voltage controlled oscillator in a data smoother for a streaming cartridge tape drive |
| 06/06/1989 | US4837642 Threshold tracking system |
| 06/06/1989 | US4837641 Rotary head type digital signal recording and reproducing apparatus |
| 06/06/1989 | US4837640 Method and apparatus for detecting a control signal |
| 06/06/1989 | US4837639 Control signal extraction in a reproducing apparatus |
| 06/06/1989 | US4836916 Handling apparatus for magnetic recording disks |
| 06/06/1989 | CA1255362A1 Phase-locked loop for mfm data recording |
| 05/31/1989 | EP0318227A2 Frame synchronising method and system |
| 05/31/1989 | EP0318038A2 Circuit for separating simultaneously reproduced PCM and ATF signals having at least partially overlapping frequency bands |
| 05/31/1989 | EP0317648A1 Device for detecting reading error from optical recording medium |
| 05/30/1989 | US4835772 Probabilistic fade forecasting |
| 05/30/1989 | US4835759 Method and apparatus for compensating variation of read data in an optical data storage |
| 05/30/1989 | US4835758 Dropout detection device for an optical type disc playback device |
| 05/30/1989 | US4835757 System for recording information onto disk medium |
| 05/30/1989 | US4835755 Recording disk reproducing apparatus having high-resolution A/D converter |
| 05/30/1989 | US4835629 Code error correcting circuit |
| 05/30/1989 | US4835628 Apparatus and method for formatting and recording digital data on magnetic tape |
| 05/30/1989 | US4835627 Magnetic recorder/reproducer |
| 05/30/1989 | US4835622 Demodulator arrangement |
| 05/30/1989 | US4835620 Video signal processing system |
| 05/30/1989 | CA1254998A1 Information signal recording medium and reproducing apparatus therefor |
| 05/24/1989 | EP0317197A2 Error detection and correction method |
| 05/24/1989 | EP0316895A2 Integrated circuit for CD player |
| 05/24/1989 | EP0316867A2 Semiconductor file apparatus |
| 05/24/1989 | EP0316459A1 Fast timing acquisition for partial-response signalling |
| 05/24/1989 | EP0316340A1 Data input circuit with digital phase locked loop. |
| 05/23/1989 | US4833679 Method and apparatus with improved error correction and error information availability |
| 05/23/1989 | US4833665 Information recording control system reusing a defective area |
| 05/18/1989 | DE3737732A1 System for compensating for timebase errors in video signals |
| 05/17/1989 | EP0316304A1 Apparatus for converting cue data |
| 05/17/1989 | EP0316184A2 Apparatus for detecting phase difference and apparatus for recording and reproducing data using the same |
| 05/17/1989 | EP0316084A2 Data storage apparatus |
| 05/17/1989 | EP0316063A2 Error correction using look-up tables |
| 05/16/1989 | US4831624 Error detection method for sub-band coding |
| 05/16/1989 | US4831613 Method and apparatus for reproducing recorded information by processing plural read-out signals obtained from plural sources acting on an information carrying member |
| 05/16/1989 | US4831611 Optical writing and reading method and apparatus |
| 05/16/1989 | US4831466 Magnetic tape recording signal level adjustment device |
| 05/16/1989 | US4831465 Mode for writing information on a magnetic recording carrier |
| 05/16/1989 | US4831464 Signal recording conditioning device |
| 05/10/1989 | EP0315372A2 Digital signal recording apparatus |
| 05/10/1989 | EP0315295A1 Apparatus for encoding and decoding data and a 3/2 frequency divider |
| 05/10/1989 | EP0315130A2 Method for transmitting a digital signal |
| 05/09/1989 | US4829545 Method and apparatus for data window centering ina multifrequency data separator |
| 05/09/1989 | US4829526 Data transmission |
| 05/09/1989 | US4829525 PCM signal reproducing apparatus including error/erasure correction circuit |
| 05/09/1989 | US4829523 Error masking in digital signal transmission |
| 05/09/1989 | US4829522 Apparatus for decoding a digital signal |
| 05/09/1989 | US4829507 Atomic particles deposited in pattern on adsorptive carrier |
| 05/09/1989 | US4829499 Processing of a detection signal obtained by scanning an optical disk |
| 05/09/1989 | US4829497 Optical disc recording method and apparatus for digital data having a plurality of transmission rates |
| 05/09/1989 | US4829391 High speed integrated charge pump circuit for phase lock loops |
| 05/09/1989 | US4829388 Magnetic recording apparatus |
| 05/09/1989 | US4829267 Automatic DC restorer stage for servo data amplifier |
| 05/09/1989 | US4829249 Method of inspecting magnetic disks for surface defects |
| 05/03/1989 | EP0314524A2 Digital data processor having data-unscrambling function |
| 05/03/1989 | EP0314512A2 Method for recording digital data |
| 05/03/1989 | EP0314456A2 Apparatus and method for recording and/or reproducing a digital signal |
| 05/03/1989 | EP0314360A2 Pulse conditioning circuit |
| 05/03/1989 | EP0185692B1 Process for reducing the noticeability of errors in a digital audio signal |
| 05/02/1989 | US4827489 Decoding device for digital signals |
| 05/02/1989 | US4827478 Data integrity checking with fault tolerance |
| 05/02/1989 | US4827462 Modular data storage directories for large-capacity data storage units |
| 05/02/1989 | US4826019 Handling apparatus for magnetic recording disks |
| 05/02/1989 | CA1253619A1 Apparatus for reproducing a digital signal |
| 05/02/1989 | CA1253617A1 Digital signal composing circuit for cross-fade signal processing |
| 04/26/1989 | EP0313368A2 Apparatus for reproducing information signals |
| 04/26/1989 | CN1032611A Apparatus for digital signal playback |
| 04/26/1989 | CN1032597A Magneto-optical recording apparatus and energizing circuit for use in such magneto-optical recording apparatus |
| 04/26/1989 | CN1004037B Apparatus for reproducing digital informatic via a transmission medium |
| 04/25/1989 | US4825419 Method of deleting information |
| 04/25/1989 | US4825403 Apparatus guaranteeing that a controller in a disk drive system receives at least some data from an invalid track sector |
| 04/25/1989 | US4825321 Modular unitary disk file subsystem having increased data storage capacity |
| 04/25/1989 | US4825310 Method and apparatus for recording servo synchronization information |
| 04/25/1989 | US4825309 Circuit arrangement for the selective suppression and nonsuppression of read output in magnetic disk apparatus |
| 04/25/1989 | US4825308 Data processing system |
| 04/25/1989 | US4825306 Video translation system for translating a binary coded data signal into a video signal and vice-versa |
| 04/25/1989 | US4825305 Apparatus for recording and reproducing digital using dynamic range compression |
| 04/25/1989 | US4825304 Recording disc with sync information disposed in radial alignment |
| 04/25/1989 | US4825303 Compressed audio silencing |
| 04/25/1989 | CA1253248A1 Method for storing video and audio signals on a video disc |
| 04/19/1989 | EP0312406A2 High-speed reproduction facility for audio programs |
| 04/19/1989 | EP0312405A2 System for encoding sound recordings for high-density storage and high-speed transfers |
| 04/19/1989 | EP0312266A2 Apparatus for reproducing recorded information with cross modulation suppression |
| 04/19/1989 | EP0312214A1 Digital signal reproduction apparatus |
| 04/19/1989 | EP0312143A1 Magneto-optical recording apparatus and energizing circuit for use in such a magneto-optical recording apparatus |
| 04/19/1989 | EP0312006A2 Luminance encoded digital audio system |
| 04/19/1989 | EP0311691A1 Optical recording/reproducing apparatus |
| 04/19/1989 | EP0311679A1 A low jitter phase-locked loop |
| 04/18/1989 | US4823333 Optical disk duplicating apparatus using sector data identification information for controlling duplication |
| 04/18/1989 | US4823212 Sampled servo code format and system for a disc drive |
| 04/18/1989 | US4823210 Copy protected disk |
| 04/18/1989 | US4823209 1,7,2,3 Encoding/decoding employing 3/2 frequency division |
| 04/18/1989 | US4823208 Multi slice level signal circuit |
| 04/18/1989 | US4823207 PCM recording and playback with variable read and write speeds |
| 04/18/1989 | US4823197 Recording apparatus and reproducing apparatus |
| 04/18/1989 | CA1252885A1 Digital data recording and reproducing device |