| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 05/23/1990 | EP0369707A2 Arrayed disk drive system and method |
| 05/23/1990 | EP0369518A2 Method of and apparatus for assigning binary values to sample values |
| 05/23/1990 | EP0369472A2 Signal processing circuit |
| 05/23/1990 | EP0215046B1 Copying of magnetic recordings |
| 05/23/1990 | CN1042441A Mode and device for record regeneration of information signal |
| 05/22/1990 | US4928287 Automatic equalizer |
| 05/22/1990 | US4928190 Magnetic recording/reproduction apparatus |
| 05/22/1990 | US4928185 Rotary head type recording/reproducing method and apparatus for recording and reproducing a digital audio signal |
| 05/17/1990 | CA2003240A1 Signal processing circuit |
| 05/16/1990 | EP0368475A2 Interactive video system |
| 05/16/1990 | EP0137855B1 Data transfer system using digital disc |
| 05/16/1990 | CN1042262A Phase discrimination and data separation method and apparatus |
| 05/15/1990 | US4926272 Method for controlling a rotating storage unit |
| 05/15/1990 | US4926271 Recording reproducing control circuit for recording apparatus |
| 05/15/1990 | US4926260 Video signal processing circuit |
| 05/15/1990 | US4925717 Disk-shaped recording medium and disk apparatus |
| 05/15/1990 | CA1269170A1 Method and apparatus for correcting errors in digital audio signals |
| 05/10/1990 | DE3935235A1 Speicherungsverfahren fuer microcomputersysteme Storage method for microcomputer systems |
| 05/09/1990 | EP0367548A2 Sync detection circuit for phase-locked loop having frequency divider |
| 05/09/1990 | EP0367378A2 Digital phase locked loop |
| 05/09/1990 | EP0367264A2 A digital video tape recorder capable of high speed image reproduction |
| 05/09/1990 | EP0367217A1 Information signal recording and playback method and apparatus therefor |
| 05/08/1990 | US4924331 Method for mapping around defective sectors in a disc drive |
| 05/08/1990 | US4924330 System and method for improving the performance of high-density data storage media |
| 05/08/1990 | US4924328 System for recording/reproducing an information source having an apparatus-specific identification signal |
| 05/08/1990 | US4924327 System and method for improving the performance of high-density data storage media |
| 05/08/1990 | US4924121 Digital clipping circuit with soft clip characteristics |
| 05/08/1990 | CA1268856A1 Reproducing digital audio signals |
| 05/02/1990 | EP0366402A2 Digital audio signal recording/reproducing method and apparatus for carrying out the same |
| 05/02/1990 | EP0366381A2 Signal identification system |
| 05/02/1990 | EP0365634A1 Method and apparatus for encoding consisting of forming a codeword by combining a first code sequence with a second code sequence. |
| 05/02/1990 | EP0365544A1 Forming digital data for magnetic tape |
| 05/02/1990 | CN1007840B Recording and replaying system for motion status |
| 05/01/1990 | US4922537 Method and apparatus employing audio frequency offset extraction and floating-point conversion for digitally encoding and decoding high-fidelity audio signals |
| 05/01/1990 | US4922352 Block pattern detection circuitry |
| 04/25/1990 | EP0365330A2 Magnetic reproducing apparatus |
| 04/25/1990 | EP0365257A2 Phase correcting clock circuit |
| 04/25/1990 | EP0364961A2 Recording error detection circuit and recording/reproducing apparatus |
| 04/25/1990 | EP0364586A1 Disk recording apparatus |
| 04/25/1990 | CN1041663A Method and circuit for suppressing data channel attach interference |
| 04/24/1990 | US4920528 Method of disk recording using alternative recording tracks |
| 04/24/1990 | US4920424 Method of recording and reproducing multi-channel information on and from recording medium |
| 04/24/1990 | CA1268252A1 Information recording method |
| 04/19/1990 | WO1990004251A1 Recording method and recording apparatus |
| 04/18/1990 | EP0364229A2 Data recording method and apparatus |
| 04/18/1990 | EP0364176A2 System and method for formatting high density storage media |
| 04/18/1990 | EP0364172A2 Error detection and correction for a data storage system |
| 04/18/1990 | EP0363551A1 Adaptive equalization for recording systems using partial-response signaling |
| 04/18/1990 | CN1041463A Method and system for correcting long bursts of consecutive errors |
| 04/18/1990 | CN1007670B Frror correcting method for optical data recording card |
| 04/18/1990 | CN1007668B Optical information recording and reproducing device for erasable optical disk and processing defect arc section |
| 04/17/1990 | US4918694 Method and apparatus for correction of errors in digital audio data |
| 04/17/1990 | US4918677 Information recording/reproducing apparatus including a plurality of recording or reproducing rates |
| 04/17/1990 | US4918539 Frequency multiplexing circuit in optical video disc recorder |
| 04/17/1990 | US4918529 Device for setting minimal and maximal frequencies of a frequency modulated video signal |
| 04/17/1990 | US4918407 Oscillation circuit |
| 04/11/1990 | EP0363186A2 Method for setting a sound recording level |
| 04/11/1990 | EP0363152A2 High speed tape duplicating machine |
| 04/11/1990 | EP0362362A1 High capacity multiple-disk storage method and apparatus. |
| 04/11/1990 | EP0362315A1 Device for monitoring acoustic signal processing systems. |
| 04/11/1990 | CN1007559B Record carrier and apparatus for mfg. the same |
| 04/10/1990 | US4916742 Method of recording and reading audio information signals in digital form, and apparatus for performing same |
| 04/10/1990 | US4916701 Method and system for correcting long bursts of consecutive errors |
| 04/10/1990 | US4916680 Magnetooptic recording member having selectively-reversed erasure directions in predetermined recording areas of the record member |
| 04/10/1990 | US4916559 Method for fading out recorded data at end of predetermined period |
| 04/10/1990 | US4916556 Disk drive controller |
| 04/05/1990 | DE3930625A1 Elektronische standbildkamera Electronic still image camera |
| 04/04/1990 | EP0361944A1 Recorded data reading system |
| 04/04/1990 | EP0361804A2 Apparatus for recording and/or reproducing information signals |
| 04/04/1990 | EP0361315A2 Recording and reproducing apparatus for PCM audio data |
| 04/04/1990 | EP0361296A1 System for reading and coding a magnetic track, carried by a document, by manually moving the document |
| 04/04/1990 | CN1007466B Magnetic tape recording and/or reproducing apparatus with recorded channel indicator |
| 04/03/1990 | US4914661 Method and apparatus for correcting errors in digital signals having phase fluctuations |
| 04/03/1990 | US4914656 Disk drive memory |
| 04/03/1990 | US4914535 Synchronization for stored data |
| 04/03/1990 | US4914530 Media defect management within disk drive sector format |
| 04/03/1990 | US4914529 Data disk defect handling using relocation ID fields |
| 04/03/1990 | US4914527 Recording and reproducing digital video and audio signals together with a time code signal which is within user control words of the audio data |
| 04/03/1990 | US4914526 Information recording system and apparatus |
| 04/03/1990 | US4914515 Method of transmitting update information for a stationary video picture |
| 04/03/1990 | US4914398 Method and circuitry to suppress additive disturbances in data channels containing MR sensors |
| 03/29/1990 | DE3832398A1 Method of coding magnetic tape |
| 03/28/1990 | EP0360691A2 Apparatus for receiving digital signal |
| 03/28/1990 | EP0360537A2 Frequency demodulation circuit |
| 03/28/1990 | EP0360424A2 Methods of correcting multiple byte errors |
| 03/28/1990 | EP0360207A2 Servo data for a magnetic data recording medium |
| 03/28/1990 | EP0360157A2 Oscillation circuit |
| 03/27/1990 | US4912729 Phase-locked-loop circuit and bit detection arrangement comprising such a phase-locked-loop circuit |
| 03/27/1990 | US4912695 Method for recording information including error information on a disk |
| 03/27/1990 | US4912694 Information reproducing method and apparatus including comparison of a parity valve counted by a flip-flop with a parity bit attached to a data unit |
| 03/27/1990 | US4912585 Discrete track thin film magnetic recording disk with embedded servo information |
| 03/27/1990 | US4912574 Apparatus for recording digital signal |
| 03/27/1990 | US4912573 Digital data reproducing apparatus having recording modulation mode detection |
| 03/27/1990 | US4912570 Recording and/or reproducing device |
| 03/27/1990 | US4912524 Digital signal transmission system having conversion means for reducing the light emission time of a light emitting diode |
| 03/22/1990 | DE3930607A1 Unterscheidungsvorrichtung zum genauen unterscheiden zwischen wiedergabearten eines aufgezeichneten videosignals Discriminating apparatus for accurately distinguish between types of playback of a recorded video signal |
| 03/21/1990 | EP0359573A2 Apparatus for recovering data recorded on a magnetic storagemedium |
| 03/21/1990 | EP0359486A1 Television signal recording and reproducing system using optical recording medium |
| 03/21/1990 | EP0359325A1 Device for transmitting data words representing a digitized analog signal and device for receiving the transmitted data words |
| 03/21/1990 | EP0212099B1 Sector identification method for hard sectored hard files |