| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 01/08/1992 | EP0464477A2 Process and circuit arrangement for converting analogue read signals into digital signals |
| 01/08/1992 | EP0464216A1 Method of recording and reproducing data |
| 01/08/1992 | EP0464191A1 Compressed data access. |
| 01/08/1992 | EP0464190A1 Data storage on tape. |
| 01/08/1992 | EP0464188A1 Storage of compressed data |
| 01/08/1992 | EP0464181A1 Data storage |
| 01/08/1992 | EP0464093A1 Circuit for decoding binary information |
| 01/08/1992 | EP0464088A1 Digital circuit for encoding binary information |
| 01/08/1992 | EP0324744B1 Recording device |
| 01/08/1992 | EP0185095B1 Digital signal transmission device |
| 01/07/1992 | US5079650 Information signal recording and reproducing apparatus with a mark signal and four kinds of pilot signals |
| 01/07/1992 | US5079648 Marked recorded signals |
| 01/07/1992 | US5079647 Method and apparatus for recording/reproducing monaural audio signal mixed with the clock and data signals |
| 01/07/1992 | US5079633 Video signal processor for removing high frequency noise component |
| 01/07/1992 | CA1294044C Apparatus for recording and reproducing information |
| 01/07/1992 | CA1294036C Apparatus for recording and/or reproducing data signal on or from disk shaped recording medium |
| 01/02/1992 | EP0463885A2 Non-linear de-emphasis circuits |
| 01/02/1992 | EP0463792A2 Audio volume control circuit |
| 01/02/1992 | EP0463752A2 Pattern matching circuit |
| 01/02/1992 | EP0463183A1 Data recording and reproducing methods |
| 01/01/1992 | CN1057533A Method and apparatus for recovering parity protected data |
| 12/31/1991 | US5077736 Disk drive memory |
| 12/31/1991 | US5077721 Data recording and/or reproducing method and data recording medium |
| 12/31/1991 | US5077720 Optical information recording and reproducing system and optical disk |
| 12/31/1991 | US5077715 Information recording and reproducing method utilizing particular sector configuration |
| 12/31/1991 | US5077712 DAT system |
| 12/30/1991 | CA2044052A1 Pattern matching circuit |
| 12/27/1991 | EP0462917A2 Method and apparatus for recovering parity protected data |
| 12/27/1991 | EP0462775A2 Signal reproducing apparatus |
| 12/27/1991 | EP0462732A1 Method and apparatus for setting a read window in a magnetic disk drive |
| 12/27/1991 | EP0462634A1 Apparatus and method for controlling an audio playback signal at variable tape speed |
| 12/27/1991 | EP0149755B1 Optical information recording and reproducing apparatus |
| 12/26/1991 | WO1991020164A1 Method for eliminating the precedence effect in stereophonic sound systems and recording made with said method |
| 12/26/1991 | WO1991020157A1 Television set |
| 12/26/1991 | WO1991020124A2 Digital fm synthesizer for record circuitry |
| 12/26/1991 | WO1991020080A1 Recorder for digital signals |
| 12/26/1991 | WO1991020079A1 Read channel detector with improved signaling speed |
| 12/26/1991 | WO1991020076A1 Apparatus for compressing data in a dynamically mapped virtual data storage subsystem |
| 12/25/1991 | CN1057355A Apparatus and method for controlling audio playback signal at variable tape speed |
| 12/24/1991 | US5075805 Disk drive controller system |
| 12/24/1991 | US5075804 Management of defect areas in recording media |
| 12/24/1991 | US5075803 Signal discriminating device for vtr having expanded dynamic range |
| 12/24/1991 | CA1293454C Noise reduction device in an electroacoustic system |
| 12/19/1991 | DE4119384A1 Optical recording and playback disc system - uses multiple light beam provided by laser diode array for multiple valve processing |
| 12/19/1991 | DE4019248A1 Fernsehempfangsgeraet Fernsehempfangsgeraet |
| 12/18/1991 | EP0461912A2 Information recording and reproducing device |
| 12/18/1991 | EP0461880A2 Video tape recorder |
| 12/18/1991 | EP0461831A2 Method for changing a file name of a directory in a non-rewritable record medium |
| 12/18/1991 | EP0461803A2 Digital-to-analog converter |
| 12/18/1991 | EP0461787A2 Digital data processing system |
| 12/18/1991 | EP0461668A2 Data recording method |
| 12/18/1991 | EP0461649A2 Recording and reproducing method and apparatus |
| 12/18/1991 | EP0461425A2 Method for setting up a data format in a data processing system |
| 12/18/1991 | EP0122467B1 Image information registering/retrieving system |
| 12/18/1991 | CN1015135B Method and apparatus for correcting errors in digital audio signals |
| 12/17/1991 | US5073925 Method and apparatus for the protection of signal copy |
| 12/17/1991 | US5073887 Optical disk recording and reading system with directory data access mechanism |
| 12/17/1991 | US5073834 Disk file or tape drive with high servo sample rate embedding additional servo sectors within individual data sectors |
| 12/17/1991 | US5073826 Video signal transmission apparatus for frames with an odd number of lines |
| 12/17/1991 | US5073777 Plural delta-sigma converters operating in parallel with independent dither generators |
| 12/17/1991 | US5073776 Data modulating system |
| 12/16/1991 | CA2043979A1 Recording and reproducing method and apparatus |
| 12/12/1991 | WO1991019292A1 Improvements relating to recording machines |
| 12/12/1991 | WO1991019290A1 Optical information recording/reproducing device using pit edge recording system |
| 12/12/1991 | WO1991019289A1 Tape storage |
| 12/12/1991 | WO1991019255A1 Apparatus and method for efficient organization of compressed data on a hard disk |
| 12/12/1991 | DE4018605A1 Recorder fuer digitale signale Recorder for digital signals |
| 12/11/1991 | EP0460964A2 Time base correcting apparatus |
| 12/11/1991 | EP0460926A2 Magnetic reproducing apparatus and magnetic recording/reproducing apparatus |
| 12/11/1991 | EP0460916A2 Format and method for recording digital data on record disks with a pre-erasure need to save extra rotations |
| 12/11/1991 | EP0460764A1 Method of transmitting a picture sequence of a full-motion video scene, and a medium for said transmission |
| 12/11/1991 | EP0460751A2 Method of transmitting audio and/or video signals |
| 12/10/1991 | USRE33765 Record/playback apparatus automatically skips unnecessary information during playback |
| 12/10/1991 | US5072378 Direct access storage device with independently stored parity |
| 12/10/1991 | US5072316 Recording apparatus |
| 12/10/1991 | US5072299 Sharpness up/down circuit for vcr controlled by a remote controller and control method thereof |
| 12/04/1991 | EP0459835A2 Method of recording and reproducing video format signal by a plurality of recording media |
| 12/04/1991 | EP0459834A2 Image reproducing apparatus by concurrent operations of a plurality of disk players |
| 12/04/1991 | EP0459814A2 Noise reduction/elimination apparatus for use with rotary head type recording/reproducing apparatus |
| 12/04/1991 | EP0459726A2 Magnetic disk apparatus |
| 12/04/1991 | EP0459265A2 A track address pattern for a magnetic disk apparatus |
| 12/04/1991 | EP0459041A1 Tape storage |
| 12/04/1991 | EP0459018A2 Video disk player |
| 12/04/1991 | EP0458975A1 Optical recording apparatus |
| 12/04/1991 | CN1015030B Method and circuit for suppressing data channel attach interference |
| 12/03/1991 | US5070492 Signal decoding apparatus and method |
| 12/03/1991 | US5070419 Method and apparatus for recording and reproducing of a recording medium |
| 12/03/1991 | US5070416 Erasing previously recorded signal in apparatus for pulse train recording of digital signal |
| 11/28/1991 | WO1991018345A1 Voice message decoding and buffering system |
| 11/27/1991 | EP0458556A2 Error detection and recovery in a data processing system |
| 11/27/1991 | EP0458554A2 Method and apparatus for formatting data on DASD arrays |
| 11/27/1991 | EP0458527A2 Improved analog to digital and digital to analog signal processors |
| 11/27/1991 | EP0458490A2 Look-ahead for coded signal processing channels |
| 11/27/1991 | EP0263014B1 Method for file management on a read-only information carrier |
| 11/27/1991 | EP0256110A4 Apparatus and method for increasing storage capacity of recording media |
| 11/26/1991 | US5068878 Method and apparatus for data interleave with pseudo-randomized resynchronization |
| 11/26/1991 | US5068858 Error correction capability varied with track location on a magnetic or optical disk |
| 11/26/1991 | US5068842 Control method of disk drive for recordable optical disk |
| 11/26/1991 | US5068755 Sector pulse generator for hard disk drive assembly |
| 11/26/1991 | US5068754 Method and apparatus for measuring bit shift |