| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 06/08/1988 | EP0269756A1 Gain control circuitry for readback apparatus in a recording system using the partial-response, maximum-likelihood technique |
| 06/08/1988 | EP0186662A4 Self-timed runout correction pattern. |
| 06/07/1988 | US4750180 Error correcting method for a digital time series |
| 06/07/1988 | US4750178 Error correction method |
| 06/07/1988 | US4750173 Method of transmitting audio information and additional information in digital form |
| 06/07/1988 | US4750138 Method of transmitting information, encoding device for use in the method, and decoding device for use in the method |
| 06/07/1988 | US4750059 Data recording format for an information-bearing disk |
| 06/07/1988 | US4750058 Gain control circuitry for readback apparatus in a PRML magnetic recording system |
| 06/07/1988 | US4750055 Record carrier for storage of video information |
| 06/02/1988 | WO1988004119A1 Digital transmission system |
| 06/01/1988 | EP0269481A1 Method and device for transmitting digita data |
| 06/01/1988 | EP0269387A1 Method and apparatus for recording signals on an optical record medium and optical record medium |
| 06/01/1988 | EP0269381A2 Sampled servo code format and system for a disc drive |
| 06/01/1988 | EP0268944A2 Circuit for processing digital signals |
| 06/01/1988 | EP0268744A2 Block pattern detection circuit |
| 06/01/1988 | DE3730135A1 Bandaufzeichnungssystem Tape recording system |
| 05/31/1988 | US4748628 Method and apparatus for correcting errors in digital audio signals |
| 05/31/1988 | US4748611 Information recording medium and method for reproducing the same |
| 05/31/1988 | US4748605 Bias-magnetic-field generating apparatus in magneto-optical information writing and erasing system |
| 05/31/1988 | US4748519 Method and apparatus for recording and reproducing coded digital signals |
| 05/31/1988 | US4748517 PCM audio signal reproducing apparatus |
| 05/31/1988 | CA1237520A1 Audio digital recording and playback system |
| 05/26/1988 | DE3639447A1 Method of checking the signal quality of a digital recording apparatus |
| 05/25/1988 | EP0268481A2 Method of recording synchronized audio and video information |
| 05/25/1988 | EP0268454A2 Optical disk recording and reproducing device |
| 05/25/1988 | EP0268409A2 Clock signal multiplexers |
| 05/25/1988 | EP0268397A1 Carbon-plastic electrode elements |
| 05/24/1988 | US4747116 Sync signal detecting device |
| 05/24/1988 | US4747113 Process for the base band modulation of a data signal, as well as the corresponding modulation and demodulation apparatuses |
| 05/24/1988 | US4746998 Method for mapping around defective sectors in a disc drive |
| 05/24/1988 | US4746996 Skew error correction circuit for video signal reproducing apparatus |
| 05/24/1988 | US4746995 Disk certifier |
| 05/24/1988 | US4746991 Recording characteristic evaluation of a recording medium with a time sequence of test signals |
| 05/19/1988 | WO1988003695A1 Analogical system for noise reduction in magnetic recordings |
| 05/19/1988 | DE3738207A1 Steuerverfahren zur umgehung von defekten auf magnetplatten Control method for avoidance of defective on magnetic boards |
| 05/18/1988 | EP0267780A1 Magnetic recording and reproducing apparatus |
| 05/18/1988 | EP0267586A2 An apparatus for controlling peripheral equipments |
| 05/17/1988 | US4745604 Method and apparatus for transferring data between a host processor and a data storage device |
| 05/17/1988 | US4745298 Signal selection circuit |
| 05/17/1988 | US4744223 Air conditioning apparatus |
| 05/17/1988 | CA1236917A1 Recording/reproducing apparatus |
| 05/11/1988 | EP0267035A2 Data smoother for a streaming cartridge tape drive |
| 05/11/1988 | EP0267029A1 Methods of and apparatus for recording and/or reproducing digital data |
| 05/11/1988 | EP0266789A2 Disk controller for a plurality of magnetic disk drives |
| 05/11/1988 | EP0266586A2 Decreasing response time to I/O request by duplicating data |
| 05/11/1988 | EP0266561A1 Apparatus for recording data on a magnetic record carrier |
| 05/11/1988 | EP0266409A1 Apparatus useful in channel equalization adjustment |
| 05/10/1988 | US4744086 Process for the transmission in blocks of digital information words with error correction capability |
| 05/10/1988 | US4743982 Digital data separator |
| 05/10/1988 | US4743979 System for playing video information recording disks, capable of special playback mode operation with a CLV disk |
| 05/10/1988 | US4743774 Method and apparatus for optical detection of information |
| 05/10/1988 | CA1236572A1 Machine readable markers for cartesian information storage media |
| 05/10/1988 | CA1236571A1 Shared encoder/decoder circuits for use with error correction codes of an optical disk system |
| 05/10/1988 | CA1236566A1 System for recording and/or reproducing digital data |
| 05/05/1988 | WO1988003306A1 Apparatus for eliminating noise and/or hum in a signal |
| 05/04/1988 | EP0266174A2 Tape recording and reproducing apparatus |
| 05/04/1988 | EP0266159A2 Digital muting circuit |
| 05/04/1988 | EP0266135A2 Apparatus and method for increasing the storage capacity of a disk storage unit |
| 05/04/1988 | EP0265849A2 Optical recording/reproducing method and apparatus |
| 05/04/1988 | CN85103921B Pcm (pulse-code modulation) recording and playback device |
| 05/03/1988 | US4742519 Apparatus for decoding error correcting code |
| 05/03/1988 | US4742517 Interleaving circuit |
| 05/03/1988 | US4742507 Optical information recording and reproducing apparatus having defective-sector marking means |
| 05/03/1988 | US4742404 Magnetic recording/reproduction apparatus |
| 05/03/1988 | US4742403 Digital data separator |
| 04/27/1988 | EP0265092A2 Servo synchronization method and apparatus for a magnetic disk |
| 04/27/1988 | EP0265085A2 Digitally-recorded disk playing device |
| 04/27/1988 | EP0264986A1 Apparatus for reproducing a PCM modulated signal, comprising a muting circuit |
| 04/27/1988 | EP0264602A2 Fixed time gap format variable field length data transfer |
| 04/27/1988 | CN87105138A Signal read circuit for magnetic recording device |
| 04/26/1988 | US4740944 Optical disk phase lock loop with comb filter |
| 04/26/1988 | US4740943 Micro mushroom instrumentation system |
| 04/26/1988 | US4740942 Record confirmation apparatus |
| 04/26/1988 | US4740941 System for aligning sector marks with data in a disk storage system |
| 04/26/1988 | US4740938 Apparatus for rapid reproduction of information from a record carrier |
| 04/26/1988 | US4740846 Information signal recording apparatus |
| 04/26/1988 | US4740845 Data recording apparatus |
| 04/26/1988 | US4739860 Ultrasonic rangefinder |
| 04/26/1988 | CA1235812A1 Disc playback apparatus |
| 04/26/1988 | CA1235810A1 Error detection and correction in an optical storage system |
| 04/26/1988 | CA1235805A1 Disk subsystem read write control |
| 04/26/1988 | CA1235801A1 Time base corrector |
| 04/26/1988 | CA1235800A1 Write clock pulse generator used for a time base corrector |
| 04/21/1988 | WO1988002958A1 Control system |
| 04/21/1988 | WO1988002918A1 Optical recording method for data cards |
| 04/21/1988 | WO1988002917A1 Apparatus and method of recording and reproducing data using a disk |
| 04/21/1988 | WO1988002915A1 Magnetic disk write precompensation |
| 04/20/1988 | EP0264228A2 Data signal reproducing apparatus |
| 04/19/1988 | US4739431 Thin-film magnetic head |
| 04/19/1988 | US4739308 Method for the formatting and unformatting of data resulting from the encoding of digital information using a variable length code and a device for using this method |
| 04/19/1988 | CA1235501A1 Apparatus for reproducing information from an optically readable record carrier |
| 04/19/1988 | CA1235499A1 Apparatus for reading an optically readable record carrier |
| 04/19/1988 | CA1235497A1 Aperture compensation signal processor for optical recording |
| 04/19/1988 | CA1235495A1 System of reproducing information from an optically readable record carrier |
| 04/19/1988 | CA1235493A1 Apparatus for reproducing digital information via a transmission medium |
| 04/19/1988 | CA1235492A1 Disc playback apparatus |
| 04/19/1988 | CA1235481A1 Detection of instantaneous speed variations in a tape drive |
| 04/13/1988 | EP0263175A1 Apparatus and method for encoding and decoding attribute data into error checking symbols of main data |
| 04/12/1988 | US4737866 Apparatus for reproducing a digital signal |
| 04/12/1988 | US4737861 System for recording component signals and reproducing a composite video signal and component signals including adding color burst to the luminance component |