| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
|---|
| 11/24/1993 | CN1078832A Apparatus and method for data compression using signal-weighted quantizing bit allocation |
| 11/24/1993 | CN1022870C Disk file or tape drive with high servo sample rate |
| 11/24/1993 | CN1022869C Transducer head skew arrangement for sidk drive system |
| 11/23/1993 | US5265230 Method and apparatus for determining sector status in a data storage device by writing a status of read-only, writable, or obliterated in an error recovery area of each sector |
| 11/23/1993 | US5265125 Signal detection apparatus for detecting digital information from PCM signal |
| 11/23/1993 | US5265104 Data storage system including redundant storage devices |
| 11/23/1993 | US5265098 Method and means for managing DASD array accesses when operating in degraded mode |
| 11/23/1993 | US5265082 Rewritable media protectable as written-once-only media and system and method for use therewith |
| 11/23/1993 | US5265081 For vehicles |
| 11/23/1993 | US5265079 Seek actuator for optical recording |
| 11/23/1993 | US5264970 Digital signal reproducing apparatus |
| 11/23/1993 | CA1324668C Self-timing optic lathe |
| 11/18/1993 | EP0570214A2 Video signal recording/reproduction apparatus |
| 11/18/1993 | EP0570203A2 Optical disk for use in an optical data recording and/or reproducing apparatus |
| 11/18/1993 | EP0570191A2 Audio reproducing apparatus |
| 11/18/1993 | EP0569989A2 Linear signal reconstruction system and method |
| 11/18/1993 | EP0569716A2 De-interleave circuit for regenerating digital data |
| 11/18/1993 | EP0569610A1 Method and apparatus for determining the tape position for a tape using dedicated servo format |
| 11/18/1993 | EP0569547A1 Microstructure array and activation system therefor |
| 11/17/1993 | CN1078592A Digital recording and/or reproducing apparatus of video signal |
| 11/17/1993 | CN1022782C Digital Signal Processing system for segment coding and coder, decoder thereof |
| 11/16/1993 | US5263145 Method and means for accessing DASD arrays with tuned data transfer rate and concurrency |
| 11/16/1993 | US5263030 Method and apparatus for encoding data for storage on magnetic tape |
| 11/16/1993 | US5263008 Magneto-optical disk device having a plurality of independently moving magneto-optical heads in the head window |
| 11/16/1993 | US5262905 For evaluating a scanning locus of a rotary head |
| 11/16/1993 | US5262904 Method and apparatus for measuring and compensating nonlinear bitshift |
| 11/16/1993 | US5262876 Apparatus for delaying and recording time code signals |
| 11/16/1993 | CA1324441C Optical disc |
| 11/16/1993 | CA1324437C Method and apparatus for encoding magnetic disk sector addresses |
| 11/11/1993 | WO1993022841A1 Data signal decoding device |
| 11/11/1993 | WO1993022719A1 Disk storage system |
| 11/11/1993 | WO1993019466A3 Computer disk drive integrated data path circuit optimized for handling both data and servo signals |
| 11/10/1993 | EP0569245A2 Method of reading and processing information of recording disc and apparatus for reading and processing the same |
| 11/10/1993 | EP0569236A2 Error correcting code technique for improving reliability of a disk array |
| 11/10/1993 | EP0569045A1 Information recording medium and recording/reproducing apparatus using the same |
| 11/10/1993 | EP0568846A1 Quantizing error reducer for audio signal |
| 11/09/1993 | US5260976 Preamble recognition and synchronization detection in partial-response systems |
| 11/09/1993 | US5260917 Signal reproduction apparatus |
| 11/09/1993 | US5260842 Data separator having an accurate delay circuit |
| 11/09/1993 | US5260841 Clock extracting circuit |
| 11/09/1993 | US5260840 PCM signal recording system |
| 11/09/1993 | US5260838 Magnetic reproducing apparatus for reproducing a video signal from a magnetic recording medium |
| 11/09/1993 | US5260836 Apparatus for reproducing digital and analog audio signals |
| 11/09/1993 | US5260801 Method of recording and reproducing video format signal using division video signals on a plurality of recording media |
| 11/09/1993 | US5260800 Apparatus and method for high-speed video tape duplication from master disk |
| 11/09/1993 | US5260784 For adjusting a digital video signal |
| 11/09/1993 | US5260703 Data encoding and decoding within PRML class IV sampling data detection channel of disk drive |
| 11/09/1993 | CA2095181A1 Error correcting code technique for improving reliability of a disk array |
| 11/09/1993 | CA2001486C Dropout detecting apparatus |
| 11/03/1993 | CN1022650C Recording device for recording optically detectable information pattern on record carrier |
| 11/02/1993 | US5259034 Voice over circuitry with adjustable depth of fade |
| 11/02/1993 | US5258974 Optical read-out audio check disc with semitransparent defects or with single recorded tone |
| 11/02/1993 | US5258970 Optical disc and optical disc reproducing apparatus |
| 11/02/1993 | US5258933 Timing control for PRML class IV sampling data detection channel |
| 11/02/1993 | US5258877 Data separator having a restart circuit |
| 11/02/1993 | US5258876 Zone bit recording with write compensation |
| 11/02/1993 | US5258853 Facsimile apparatus having image memory device |
| 11/02/1993 | US5258852 Recording medium and video signal recording/reproducing method using a predetermined area of a recording medium to record information intended to be recorded in a defective portion of the medium |
| 10/28/1993 | WO1993021732A1 Digital audio/video insertion system |
| 10/28/1993 | WO1993021728A1 A method for detecting and removing errors exceeding a specific contrast in digital video signals |
| 10/28/1993 | WO1993021588A1 Digital audio workstation providing digital storage and display of video information |
| 10/28/1993 | WO1993021582A1 System for protection of software |
| 10/28/1993 | DE4313218A1 FM signal processor with cosine equaliser - which has two output terminals and processes input signal with two different parameters |
| 10/28/1993 | DE4308680A1 Preventing unauthorised use of optical disc e.g. CD-ROM - comparing first information read out from area of disc inaccessible to user with second information concerning authentic disk |
| 10/28/1993 | CA2133960A1 System for protection of software |
| 10/27/1993 | EP0567144A2 Disk control system |
| 10/27/1993 | EP0567134A1 Frequency control system in an audio device |
| 10/26/1993 | US5257367 Data storage system with asynchronous host operating system communication link |
| 10/26/1993 | US5257362 Method and means for ensuring single pass small read/write access to variable length records stored on selected DASDs in a DASD array |
| 10/26/1993 | US5257272 Time-varying modulo N trellis codes for input restricted partial response channels |
| 10/26/1993 | US5257271 Sample data transmission apparatus |
| 10/26/1993 | US5257248 Information recording apparatus capable of efficiently verifying recording information |
| 10/26/1993 | US5257144 Synchronization and automatic resynchronization of multiple incremental recorders |
| 10/26/1993 | US5257143 Method and apparatus for positioning head of disk drive using zone-bit-recording |
| 10/26/1993 | US5256965 Quality inspecting method and apparatus for detecting defects in magnetic disks by dividing a plurality of concentric tracks into numbered sectors |
| 10/26/1993 | CA1323692C Pcm audio signal recording and/or reproducing apparatus |
| 10/21/1993 | DE4313177A1 Mini-disc record-play system using magneto=optical recording - includes error correction and data buffering allowing uninterrupted multi-disc use |
| 10/21/1993 | DE4312922A1 Mini-disc recorder-player with high speed copying - provides magneto=optic recording with error correction and copy protection |
| 10/21/1993 | DE4212539A1 Automatic tracking for video recorder with inserted time reference - picking up defined change in signal series in period before and/or after useful signal gaps |
| 10/20/1993 | EP0566365A2 Information signal recording/reproducing apparatus |
| 10/20/1993 | EP0565856A2 Programmable start-of-sector pulse generator for a disk drive using embedded servo bursts and split data fields |
| 10/20/1993 | EP0565854A2 Programmable servo timing generator for a disk drive |
| 10/20/1993 | EP0565848A1 Optical information recording medium and a reproducing apparatus for the recording medium |
| 10/20/1993 | EP0565759A1 Method and arrangement for decoding F2F signals read from a magnetic data carrier |
| 10/20/1993 | EP0365634B1 Method and apparatus for encoding consisting of forming a codeword by combining a first code sequence with a second code sequence |
| 10/19/1993 | US5255272 Predictive tape drive error correction apparatus |
| 10/19/1993 | US5255262 Multiple data surface optical data storage system with transmissive data surfaces |
| 10/19/1993 | US5255261 Information recording disk |
| 10/19/1993 | US5255136 High capacity submicro-winchester fixed disk drive |
| 10/19/1993 | US5255133 Waveform processing system and method for recording digital information |
| 10/19/1993 | US5255132 Adaptable clock control methods and apparatus for a direct access disk drive system |
| 10/19/1993 | US5255131 Asynchronous servo identification/address mark detection for PRML disk drive ssytem |
| 10/19/1993 | US5255130 Adjustable write equalization for tape drives |
| 10/19/1993 | US5255128 Apparatus for detecting digital data |
| 10/19/1993 | US5255127 Digital modulated signal demodulator/decoder apparatus |
| 10/19/1993 | US5255126 AGC circuit with constant envelope circuit for reproduced RF signals from plural channels |
| 10/19/1993 | US5255103 Optical disk apparatus for selectively recording and reproducing signals having different bit rates |
| 10/19/1993 | US5255101 Apparatus for recording video signal through frequency modulation with variable clipping level |
| 10/19/1993 | CA1323423C Data recording and/or reproducing method and data recording medium |
| 10/13/1993 | EP0565368A2 Timing recovery on longitudinal magnetic tape record channels based on capstan feed forward velocity |