| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 04/12/1988 | US4737723 Drop-out detection circuit |
| 04/06/1988 | EP0263014A1 Method for file management on a read-only information carrier |
| 04/06/1988 | EP0262605A1 Method and device for recording digital data on a magnetic record carrier |
| 04/05/1988 | US4736376 Self-checking error correcting encoder/decoder |
| 04/05/1988 | US4736355 Digital audio data reproduction apparatus |
| 04/05/1988 | US4736352 Optical recording medium and apparatus for recording and reproducing data therein |
| 04/05/1988 | US4736260 Reproducing digital audio signals |
| 04/05/1988 | US4736258 High density storage of information on a compact disc |
| 04/05/1988 | US4736257 Information signal recording medium reproducing apparatus with an improved equalizer |
| 04/05/1988 | CA1234914A1 Sync pattern encoding system for data sectors written on a storage medium |
| 03/31/1988 | DE3631822A1 Interface |
| 03/30/1988 | EP0261918A2 Method of recording indicia for indicating presence or absence of error in medium after error checking and apparatus therefor |
| 03/30/1988 | EP0261915A2 Initial state setting system for still picture recording/reproducing device |
| 03/30/1988 | EP0261428A2 Clock recovering device |
| 03/29/1988 | US4734901 Recording and reproducing apparatus |
| 03/29/1988 | US4734900 Restoring and clocking pulse width modulated data |
| 03/29/1988 | US4734797 PCM-signal recording and/or reproducing apparatus |
| 03/29/1988 | US4734796 Technique for preventing unauthorized copying of information recorded on a recording medium and a protected recording medium |
| 03/29/1988 | US4734795 Apparatus for reproducing audio signal |
| 03/29/1988 | US4734793 Synchronization control system in video signal reproducing device |
| 03/29/1988 | CA1234637A1 Slave-type interface circuit |
| 03/29/1988 | CA1234622A1 Tracking control apparatus |
| 03/24/1988 | WO1988002199A1 Method and system for modulating a carrier signal |
| 03/24/1988 | WO1988002198A1 Retrofit remote control apparatus |
| 03/24/1988 | WO1988002170A1 Substituting soundtrack |
| 03/24/1988 | DE3628613A1 Method of decoding magnetic information carriers |
| 03/23/1988 | EP0260722A2 Erroneous track jump restoration apparatus for optical record disc player |
| 03/23/1988 | EP0260637A2 Optical information recording/reproducing apparatus |
| 03/22/1988 | US4733396 Apparatus for detecting and correcting data transfer errors of a magnetic disk system |
| 03/22/1988 | US4733386 Method of writing file data into a write-once type memory device |
| 03/22/1988 | CA1234427A1 Methods of recording audio signals |
| 03/15/1988 | US4731774 Disc playback apparatus |
| 03/15/1988 | US4731678 Digital data recording and reproducing method |
| 03/15/1988 | US4731677 Integrated video camera/recorder unit |
| 03/15/1988 | US4731676 Transparent synchronization of multiple channel data |
| 03/15/1988 | US4731675 Dropout correcting apparatus wherein dropout detecting flog signal is superimposed on reproduced video signal |
| 03/10/1988 | WO1988001786A1 Data recording format for an information-bearing disk |
| 03/10/1988 | WO1988001785A1 A disc device and a disc-like recording medium |
| 03/10/1988 | WO1988001779A1 Recording device |
| 03/09/1988 | EP0259195A2 Rotary head type digital signal reproducing apparatus |
| 03/09/1988 | EP0258721A1 Method and device for drop-out compensation at the reproduction of magnetically registered signals |
| 03/09/1988 | EP0258671A2 Read channel architecture for processing read head signals |
| 03/08/1988 | US4730321 Disk drive with improved error correction code |
| 03/02/1988 | EP0258104A1 Method of determining and of modifying a partition in a memory space of a non-erasable carrier |
| 03/02/1988 | EP0258059A2 Optical recording methods for sampled servo formats |
| 03/02/1988 | EP0258043A2 Information record medium having a header having error correction code added for each block and a method for recording information on such a medium |
| 03/02/1988 | EP0258031A2 Method and apparatus for data window centering in a multifrequency data separator |
| 03/02/1988 | EP0257991A2 Apparatus for reproducing a digital signal |
| 03/02/1988 | EP0257594A2 Write-once data writing system for optical recording medium |
| 03/02/1988 | EP0257215A2 Optical recording medium |
| 03/02/1988 | CN86103579B Disk arrangement system |
| 03/02/1988 | CN85108636B Method and apparatus for processing an error flag of a pcm signal |
| 03/01/1988 | US4729045 Apparatus and method for digital magnetic recording and reading |
| 03/01/1988 | US4729043 Digital information storage and retrieval using video signals |
| 03/01/1988 | US4729042 Clock signal generating circuit for digital signal recording device |
| 03/01/1988 | US4729041 Information reproducing device with dynamic drop-out compensation inhibiting means |
| 02/25/1988 | DE3727327A1 Leistungszufuhr- und eingangssignalschaltsteuerung fuer einen videorekorder Leistungszufuhr- and input signal switching control for a video recorder |
| 02/24/1988 | EP0256753A2 Method and apparatus for preventing the copying of a video program |
| 02/24/1988 | EP0256498A2 Write compensator for magnetic disk apparatus |
| 02/24/1988 | EP0256380A1 Magnetic recording apparatus |
| 02/24/1988 | EP0256335A1 Recording of audio signals |
| 02/24/1988 | EP0256110A1 Apparatus and method for increasing storage capacity of recording media. |
| 02/24/1988 | CN87104879A High density tape recording technology for common cassette recorder |
| 02/24/1988 | CN86204658U Device for eliminating tape velocity trembling noice for tape recorder |
| 02/23/1988 | US4727547 Method and apparatus for decoding |
| 02/23/1988 | US4727531 Information recording system |
| 02/23/1988 | US4727509 Master/slave system for replicating/formatting flexible magnetic diskettes |
| 02/23/1988 | US4727439 Magnetic disc unit system |
| 02/23/1988 | US4727438 Multitrack magnetic recording and reproducing apparatus and method of controlling tracking of multitrack magnetic heads |
| 02/23/1988 | US4727432 A VDP timing signal generator producing clock signals in phase with produced video sync signals and displaying the inphase condition |
| 02/17/1988 | EP0255918A2 Magnetic tape recording signal level adjustment device |
| 02/16/1988 | US4726028 Method for error detection and error correction |
| 02/16/1988 | US4726022 Method and apparatus for stressing the data window in magnetic storage devices |
| 02/16/1988 | US4725968 Disk drive testing method and apparatus |
| 02/16/1988 | US4725901 Method for adaptive removal of distortion from binary coded digital signals |
| 02/16/1988 | US4725900 Apparatus employing adjustable modulation index for reducing cross talk between recorded audio and video signals |
| 02/16/1988 | US4725899 Reproduction of magnetic recordings |
| 02/16/1988 | US4725897 Sound recording system for electronic still camera |
| 02/16/1988 | CA1232965A1 Magnetic disc reproducing apparatus |
| 02/09/1988 | US4724496 Peak detector for magnetically recorded binary signal |
| 02/09/1988 | US4724493 Floppy disk drive interface circuit |
| 02/09/1988 | US4724492 Recording disk data playback apparatus |
| 02/09/1988 | US4724420 Method and apparatus for quasi-analog reconstructions of amplitude and frequency varying analog input signals |
| 02/09/1988 | CA1232679A1 Vtr having automatic carrier detection |
| 02/09/1988 | CA1232677A1 Data processing system with reorganization of disk storage for improved paging |
| 02/04/1988 | DE3625270A1 Clock generator for a phase locked loop having two operating states |
| 02/03/1988 | EP0255140A2 Method of measurement of crosstalk noise in playback information signal |
| 02/03/1988 | EP0255111A2 Apparatus for recording and reproducing digital signals |
| 02/03/1988 | EP0255036A2 Recorded data reproducing apparatus |
| 02/03/1988 | EP0254748A1 Device for detecting defect of disc-like recording media |
| 02/03/1988 | EP0140957A4 Audio digital recording and playback system. |
| 02/02/1988 | US4723295 Recording disk data playback apparatus |
| 02/02/1988 | US4723175 Video signal reproducing apparatus for reproducing recorded video signal from a magnetic recording medium |
| 02/02/1988 | US4723162 Television camera having an electronic viewfinder with a sound-level indicator |
| 02/02/1988 | CA1232357A1 Data compression method and apparatus |
| 01/28/1988 | WO1988000733A1 Data input circuit with digital phase locked loop |
| 01/27/1988 | EP0254339A1 Demodulator arrangement |
| 01/27/1988 | EP0254285A2 High density storage of information on a compact disc |
| 01/27/1988 | EP0254279A2 Rotary head type recording and/or reproducing apparatus |
| 01/26/1988 | US4722085 High capacity disk storage system having unusually high fault tolerance level and bandpass |