| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 08/10/1988 | CN85108275B Method and apparatus for recording pcm signal |
| 08/09/1988 | US4763208 Playback apparatus in electronic still camera system |
| 08/09/1988 | US4763207 Digital method and system for reproducing analog data |
| 08/09/1988 | US4763205 Method of time axis control in an information recording system for compensation of tracking error caused by track jumping |
| 08/09/1988 | US4763123 Signal selecting circuit for simultaneously performing plural input-output operations |
| 08/04/1988 | DE3702224A1 Process for the measuring of recording and reproducing signal paths |
| 08/03/1988 | EP0277028A2 Method of recording data on card-like recording medium |
| 08/03/1988 | EP0277019A2 Disk playing method and device |
| 08/03/1988 | EP0277000A2 Magnetic recording and/or reproducing apparatus |
| 08/03/1988 | EP0276991A1 Encoding method and apparatus for recording data with an identification code and an error check code |
| 08/03/1988 | EP0276990A2 Apparatus for reproducing a digital signal |
| 08/03/1988 | EP0276907A2 Circuit for regulating a voltage controlled oscillator |
| 08/03/1988 | EP0276809A1 Rotary head type recording/reproducing method and apparatus |
| 08/03/1988 | EP0276753A2 Method and apparatus for transmitting digital information and/or for recording and reproducing |
| 08/03/1988 | EP0276445A2 Method and apparatus for detecting transient errors |
| 08/03/1988 | EP0276343A1 Method and apparatus for PCM recording and reproducing audio signal |
| 08/03/1988 | CN86102443B Method and device for recording and/or reproducing pcm signales |
| 08/02/1988 | US4761816 Digital level detecting circuit |
| 08/02/1988 | US4761785 Data protection mechanism for a computer system |
| 08/02/1988 | US4761782 Error correction of digital image data by means of image redundancy |
| 08/02/1988 | US4761775 Optical disc using tracking and clocking prepits and address prepits between adjacent ones of the tracking and clocking prepits, and an optical apparatus using such a disc |
| 08/02/1988 | US4761772 Optical disk recording and reproducing apparatus reliably providing access to desired tracks |
| 08/02/1988 | US4761695 Method and arrangement for recording data on a magnetic recording medium |
| 08/02/1988 | US4761694 Apparatus for recording/reproducing a composite video signal with a rotary recording medium and circuit arrangement therefor |
| 08/02/1988 | US4761692 Method and apparatus for data recording disc playback |
| 08/02/1988 | CA1240041A1 Optical disk data format employing resynchronizable data sectors |
| 08/02/1988 | CA1240039A1 Thin-film magnetic head |
| 07/27/1988 | EP0275972A1 Disk recording device |
| 07/26/1988 | US4760576 Error correction method |
| 07/26/1988 | US4760566 Method of controlling write operation for rotating type recording medium |
| 07/26/1988 | US4760558 For storing a video signal analog form |
| 07/26/1988 | US4760472 Dual channel readback recovery system |
| 07/26/1988 | US4760378 Method and apparatus for converting a run length limited code |
| 07/20/1988 | EP0275041A2 Multiplex magnetic recording and reproducing apparatus of the rotary head type |
| 07/20/1988 | EP0274817A2 Data storage system |
| 07/20/1988 | EP0274704A1 Circuit for detecting non-allowed phase errors in a phase-locked loop |
| 07/20/1988 | EP0274591A1 Phase lock circuit |
| 07/20/1988 | CN88100150A 信号记录设备 Signal recording apparatus |
| 07/19/1988 | US4759014 Asynchronous-to-synchronous digital data multiplexer/demultiplexer with asynchronous clock regeneration |
| 07/19/1988 | US4758908 Method and apparatus for substituting a higher quality audio soundtrack for a lesser quality audio soundtrack during reproduction of the lesser quality audio soundtrack and a corresponding visual picture |
| 07/19/1988 | US4758907 Method and apparatus for recording and/or reproducing PCM signals |
| 07/19/1988 | US4758906 Block pattern detection circuitry |
| 07/19/1988 | US4758904 Helical scan apparatus |
| 07/19/1988 | US4758902 PCM signal recording and reproducing apparatus including simultaneous error detection/correction |
| 07/19/1988 | US4758900 Field/frame conversion method for magnetic picture recording with demodulation, interpolation and de-emphasis after conversion |
| 07/19/1988 | US4758899 Data compression control device |
| 07/19/1988 | US4758892 System for producing a video combine from multiple video images |
| 07/19/1988 | US4758473 Stable carbon-plastic electrodes and method of preparation thereof |
| 07/14/1988 | WO1988005203A1 Optical disc and optical disc unit |
| 07/14/1988 | WO1988004824A3 Distribution of clock indicia for a quasi-constant linear-velocity disk |
| 07/13/1988 | EP0274381A2 Signal recording apparatus |
| 07/12/1988 | US4757518 Coding digital data |
| 07/12/1988 | US4757395 Waveform equalizing circuit |
| 07/07/1988 | DE3744340A1 Plattenlaufwerk Disk drive |
| 07/06/1988 | EP0273676A2 Single track orthogonal error correction system |
| 07/06/1988 | EP0273421A2 Optical information storage apparatus and method of deleting information |
| 07/06/1988 | EP0273384A1 Optical information recording disk and optical information recording disk apparatus |
| 07/06/1988 | EP0273250A1 A method of recording on a magnetic record member and a magnetic recorder |
| 07/06/1988 | EP0114186B1 Method for checking disk identity in a flexible disk recorder |
| 07/05/1988 | US4755891 Circuit for processing waveform of reproduced signal in magnetic reproducing apparatus |
| 07/05/1988 | US4755890 Channel filter |
| 07/05/1988 | US4755889 Audio and video digital recording and playback system |
| 07/05/1988 | US4755887 Triggering for waveform recording |
| 07/05/1988 | US4755886 Apparatus for processing vouchers including a high density magnetic record |
| 07/05/1988 | US4755885 Eliminating undesirable noise recordation in image sensing/sound recording device |
| 07/05/1988 | US4755884 Audio evaluation of information stored on a record medium under control of video picture frame number |
| 06/30/1988 | WO1988004825A1 Address mark encoding for a record storage medium |
| 06/30/1988 | WO1988004824A2 Distribution of clock indicia for a quasi-constant linear-velocity disk |
| 06/29/1988 | EP0272917A2 Apparatus for storing digital data |
| 06/29/1988 | EP0272726A1 Device for demodulating a frequencymodulated signal |
| 06/29/1988 | EP0153929B1 Digital time base correction |
| 06/29/1988 | CN85104659B Apparatus adjusting for resonance frequency and q factor of magnetic head |
| 06/28/1988 | US4754345 Additional memories storing substantial information |
| 06/28/1988 | US4754344 Method and apparatus for formatting magnetic disks with use of host equipment programmed for smaller capacity magnetic disks |
| 06/28/1988 | US4754339 Information recording disc pre-recorded with address and pseudo address signals |
| 06/28/1988 | US4754333 Electronic still camera provided with an electrical viewing system |
| 06/28/1988 | US4754222 Method for detecting and evaluating dropouts in recording media having digital signals recorded thereon |
| 06/22/1988 | EP0272135A2 Optical disk and optical disk apparatus |
| 06/22/1988 | EP0272130A2 Data recording |
| 06/22/1988 | EP0272029A2 Erasable optical disk and optical information recording and reproducing apparatus having means for managing defective sector |
| 06/22/1988 | CN87107379A Method and apparatus for recording and/or reproducing digital data |
| 06/21/1988 | US4752953 Digital audio scrambling system with pulse amplitude modulation |
| 06/21/1988 | US4752841 Address mark encoding for a record storage medium |
| 06/21/1988 | US4752840 Multitrack magnetic recording and reproducing device |
| 06/21/1988 | US4752837 Data synchronizer for use with a variable rate input source |
| 06/21/1988 | US4752832 Video and audio signal recording and/or reproducing apparatus |
| 06/21/1988 | CA1238411A1 Error concealment in digital television signals |
| 06/16/1988 | DE3642366A1 Compander system for electro-acoustic transmission paths |
| 06/15/1988 | EP0271335A2 Optical information recording and reproducing system and optical disk |
| 06/15/1988 | EP0271317A2 Data modulation and demodulation system for magnetic recording system |
| 06/14/1988 | US4751693 Memory disk apparatus |
| 06/14/1988 | US4751591 Digital signal processing system and method |
| 06/14/1988 | US4751590 Recording audio signals |
| 06/14/1988 | US4751589 Method and apparatus for reproducing recorded video signal |
| 06/14/1988 | US4751588 Video disc reproducing apparatus |
| 06/14/1988 | CA1238112A1 Sequence versatile video system |
| 06/09/1988 | DE3741404A1 Informationsaufzeichnungsplatte Information recording disc |
| 06/08/1988 | EP0270275A1 Method and apparatus for locating the edge of a magnetic tape |
| 06/08/1988 | EP0270215A2 Method and apparatus for reproducing CD discs with audio as well as audio and video information |
| 06/08/1988 | EP0270057A1 Apparatus for reproducing data from magnetic recording medium |