| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 03/23/1999 | US5886985 Optical recording medium having a plurality of sectors separated by sync signals |
| 03/23/1999 | US5886979 Information recording medium and method for recording and reproducing information to a medium to prevent unauthorized copying |
| 03/23/1999 | US5886969 High-density information recording/reproducing method |
| 03/23/1999 | US5886967 Apparatus for recording data on a recording medium and for deleting a silent portion of the recorded data |
| 03/23/1999 | US5886965 Information recording apparatus, information recording medium, and information reproduction apparatus using contents information signal |
| 03/23/1999 | US5886960 Optical disc system using multiple optical heads for accessing information data |
| 03/23/1999 | US5886958 Information recording apparatus and method for modulated magneto-optical recording medium |
| 03/23/1999 | US5886957 Data storage apparatus |
| 03/23/1999 | US5886844 Magnetic disk apparatus and read waveform equalizing method using stored tap coefficients for a transversal filter |
| 03/23/1999 | US5886842 Control loops for low power, high speed PRML sampling data detection channel |
| 03/23/1999 | US5886654 Apparatus and method for decoding data using flags to indicate decoding errors in data rows and columns |
| 03/23/1999 | US5886335 Manual scanning apparatus for reading an optical code representing multimedia information |
| 03/23/1999 | US5886275 Transporting method of karaoke data by packets |
| 03/23/1999 | CA2116028C Motion picture digital sound system and method with primary sound storage edit capability |
| 03/18/1999 | WO1999013621A2 Unreliability detector apparatus and reproduction apparatus provided with the unreliability detector apparatus |
| 03/18/1999 | WO1999013615A1 A tamper resistant player for scrambled contents |
| 03/18/1999 | WO1999013614A1 Tamper resistant methods and apparatus |
| 03/18/1999 | WO1999013613A1 Tamper resistant methods and apparatus |
| 03/18/1999 | WO1999013580A1 Method to improve synthesizer settling times for small frequency steps in read channel applications |
| 03/18/1999 | WO1999013469A1 Disc recording method and device, and disc like recording medium |
| 03/18/1999 | WO1999013463A2 Optical record carrier and apparatus for scanning such a record carrier |
| 03/18/1999 | WO1999013458A1 Magnetic recorder and recording method, magnetic reproducer and reproducing method, and magnetic recorder/reproducer and recording/reproducing method |
| 03/18/1999 | WO1999000796A3 Apparatus for processing a signal received via an information carrier |
| 03/18/1999 | WO1998055996A3 Optical record carrier and apparatus for scanning such a record carrier |
| 03/18/1999 | DE19842047A1 Floppy-disc with servo patterns |
| 03/17/1999 | EP0902544A2 Modulating device, demodulating device and transmission medium |
| 03/17/1999 | EP0902432A2 Information recording method and apparatus and information recording medium |
| 03/17/1999 | EP0902431A2 System for editing of digital video and audio information |
| 03/17/1999 | EP0902426A1 Recording medium, data transmission apparatus, data receiver, and optical disk unit |
| 03/17/1999 | EP0902425A2 Tape recording and/or reproducing apparatus and tape ejecting method |
| 03/17/1999 | EP0902424A1 Information recording method and apparatus with suppressed mark edge jitters |
| 03/17/1999 | EP0902422A2 Servo track writing on a disk |
| 03/17/1999 | CN1211361A Transmission system and recording system having a simplified symbol detector |
| 03/17/1999 | CN1211334A Recorder |
| 03/17/1999 | CN1211121A Method for determining range of data error correction |
| 03/17/1999 | CN1211039A Recording apparatus, recording method, and dubbing apparatus |
| 03/17/1999 | CN1211034A Bubbing apparatus |
| 03/17/1999 | CN1042584C Noise suppressing apparatus capable of preventing deterioration in high frequency signal characteristic after noise suppression |
| 03/16/1999 | US5884004 Method and an optical disc for generating a bitstream containing a plurality of video objects including video and audio data |
| 03/16/1999 | US5883958 Method and device for data decryption, a method and device for device identification, a recording medium, a method of disk production, and a method and apparatus for disk recording |
| 03/16/1999 | US5883908 Device for detecting error from digital data |
| 03/16/1999 | US5883869 Optical disc reading device |
| 03/16/1999 | US5883868 Magneto-optical disk recording device capable of checking erased state during erasing |
| 03/16/1999 | US5883867 Optical disk device and method for replacing a defective sector within a block containing recording data and error correction data on an optical disk |
| 03/16/1999 | CA2152689C Magnetic disc apparatus employing constant-density recording and driver access method |
| 03/11/1999 | WO1999012335A2 Video tape and apparatus for playing such a video tape |
| 03/11/1999 | WO1999012167A1 Filter calibration and head instability detection method and apparatus |
| 03/11/1999 | WO1999012166A1 Method and device for measuring and registering statistical time variations for an optical data carrier |
| 03/11/1999 | WO1999012165A1 Method and apparatus for afterrecording of digital recording medium and method and apparatus for reproducing digital recording medium |
| 03/11/1999 | WO1999012163A1 Disk-like recording medium, disc drive, and reproducing method for disk-like recording medium |
| 03/11/1999 | WO1999012157A2 Record carrier and apparatus for scanning the record carrier |
| 03/11/1999 | WO1999012101A2 Method, software and apparatus for saving, using and recovering data |
| 03/10/1999 | EP0901126A1 Phase locked loops with common integrator for variable speed tape data storage device |
| 03/10/1999 | EP0901125A1 Clock recovery for tape data storage system |
| 03/10/1999 | EP0901124A2 Signal/data transmission, reception, recording and/or reproduction |
| 03/10/1999 | EP0901123A1 Key-based protection method for light-readable discs |
| 03/10/1999 | EP0901122A2 Information generating method and apparatus, information reproducing method and apparatus, and information record medium |
| 03/10/1999 | EP0901119A2 Optical drive system having servomotor operated relative to maximum quad sum signal |
| 03/10/1999 | EP0900500A2 Embedding supplemental data in an encoded signal |
| 03/10/1999 | CN1210649A Editing device and data transmission method |
| 03/10/1999 | CN1210633A Conversion of sequence of m-bit information words into a modulated signal |
| 03/10/1999 | CN1210609A Digital recording method, digital disk, digital disk recording device, and digital disk reproducing device |
| 03/10/1999 | CN1210423A Circuits and systems for generating and communicating advanced television signals |
| 03/10/1999 | CN1210411A Multiplex data transmitting and receiving equipment |
| 03/10/1999 | CN1210331A Zero crossing level matching apparatus and method |
| 03/10/1999 | CN1210315A Device for generating, detecting, recording, and reproducing watermarked moving image having copy preventing capability and storage medium for storing program or moving image |
| 03/09/1999 | US5881328 Band-pass filter for a pulse position modulation signal |
| 03/09/1999 | US5881314 Memory control circuit and method for a CD-ROM driving system |
| 03/09/1999 | US5881203 Data recording method and apparatus data record medium and data reproducing method and apparatus |
| 03/09/1999 | US5881157 Apparatus for compensating a frequency characteristic of a reproduction audio signal |
| 03/09/1999 | US5881152 Method and device for protecting stored data |
| 03/09/1999 | US5881071 Digital write-and-read method and signal processing apparatus |
| 03/09/1999 | US5881070 Variable length coding apparatus |
| 03/09/1999 | US5881046 Signal recording apparatus for recording a synchronous and cancel code on a recording medium |
| 03/09/1999 | US5881041 Apparatus for recording and reproducing information |
| 03/09/1999 | US5881039 Signal processing device for an optical information reproducing apparatus |
| 03/09/1999 | US5881038 Method and apparatus for preventing illegal copy or illegal installation of information of optical recording medium |
| 03/09/1999 | US5881037 Recording medium, recording method and apparatus, and reproduction method and apparatus |
| 03/09/1999 | US5881031 Disk apparatus having improved performance in reaching target position on disk |
| 03/09/1999 | US5880980 Distributed decimation sample rate conversion |
| 03/09/1999 | US5880900 Error recovery method and disk drive apparatus to superimpose a vibration signal with one-half frequency onto a driving signal to a magnetoresistive head |
| 03/09/1999 | US5880898 Data reproduction method and circuit for removing a glitch error in a digital magnetic recording/reproduction apparatus |
| 03/09/1999 | US5880686 Decoding and regenerating device for decoding and regenerating frame coded data and method therefor |
| 03/09/1999 | US5880388 Karaoke system for synchronizing and reproducing a performance data, and karaoke system configuration method |
| 03/04/1999 | WO1999011064A2 System for transferring content information and supplemental information relating thereto |
| 03/04/1999 | WO1999010990A1 Method and apparatus for determining bit error rate in a sampled data system |
| 03/04/1999 | WO1999010893A2 Object reconstruction on object oriented data storage device |
| 03/04/1999 | WO1999010884A1 Optical disc type recording medium |
| 03/04/1999 | WO1999010858A2 Method for protecting content using watermarking |
| 03/04/1999 | WO1998056116A3 Data compression and expansion of an in-level information signal |
| 03/04/1999 | WO1998055998A3 Apparatus and method for reproducing a digital audio signal from a record carrier |
| 03/03/1999 | EP0899968A2 Recording apparatus and method, reproducing apparatus and method, and recording medium |
| 03/03/1999 | EP0899892A2 Signal processing apparatus and method, and information recording apparatus |
| 03/03/1999 | EP0899886A2 High quality audio encoding/decoding apparatus |
| 03/03/1999 | EP0899885A2 PRML code encoding and decoding methods dor high-density data storing device |
| 03/03/1999 | EP0899883A1 Pll circuit with masked phase error signal |
| 03/03/1999 | EP0899738A2 Information recording and reproducing method and apparatus |
| 03/03/1999 | EP0899735A2 An optical disc recording and reproducing apparatus for performing a formatting process as a background process and a method for formatting an optical disc by a background process |
| 03/03/1999 | EP0899734A2 Combined DVD/CD data processor |
| 03/03/1999 | EP0899733A1 Optical disc copy management system |