| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 11/11/1997 | US5687143 Reproducing apparatus having an optical head system |
| 11/11/1997 | US5687101 Digital filter circuit and signal processing method for the same |
| 11/11/1997 | US5687036 Selection of optimum write current in a disc drive to minimize the occurrence of repeatable read errors |
| 11/11/1997 | US5686954 Program information broadcasting method program information display method, and receiving device |
| 11/06/1997 | WO1997041681A1 Magnetic-tape recording/reproducing arrangement comprising a coding device |
| 11/06/1997 | WO1997041564A1 Method for detecting transient write errors in a disk drive |
| 11/06/1997 | WO1997041562A1 Cd with built in chip |
| 11/06/1997 | WO1997041561A1 Recording data generation method, recording medium on which data is recorded, and data reproducing apparatus |
| 11/06/1997 | WO1997041560A1 Information recording method, information recorder/reproducer and information recording medium |
| 11/06/1997 | WO1997041552A1 Method and apparatus for spectral analysis in a disk recording system |
| 11/06/1997 | WO1997041551A1 Apparatus for reproducing a digital information signal from a record carrier |
| 11/06/1997 | WO1997041504A1 A method and system for synchronizing and navigating multiple streams of isochronous and non-isochronous data |
| 11/06/1997 | WO1997034407A3 Dictation device for the storage of speech signals |
| 11/06/1997 | DE19714527A1 Recording and playback device for digital signals |
| 11/06/1997 | DE19706747A1 Sector pulse generation method for hard disc memory system |
| 11/06/1997 | DE19616531A1 Data compression memory storage process for data processing |
| 11/06/1997 | CA2252490A1 A method and system for synchronizing and navigating multiple streams of isochronous and non-isochronous data |
| 11/06/1997 | CA2225955A1 Method and apparatus for spectral analysis in a disk recording system |
| 11/05/1997 | EP0805593A2 Storage device control unit and management system |
| 11/05/1997 | EP0805592A2 Video transcoding with interim encoding format |
| 11/05/1997 | EP0805589A1 Video data recording/reproducing system, audio/video data recording/reproducing device, its system, and data reproducing device |
| 11/05/1997 | EP0805449A2 Optical disk having an evaluation pattern for evaluating the optical disk |
| 11/05/1997 | EP0805448A2 Gain and phase constrained adaptive equalizing filter in a sampled amplitude read channel for magnetic recording |
| 11/05/1997 | EP0805447A2 Adaptive equalization and interpolated timing recovery in a sampled amplitude read channel for magnetic recording |
| 11/05/1997 | EP0805438A2 Servo circuit, digital PLL circuit and optical disk device |
| 11/05/1997 | EP0804846A1 Synchronous detection of wide bi-phase coded servo information for disk drive |
| 11/05/1997 | EP0804792A1 Apparatus for recording an information signal on a record carrier provided with tracking signals and a record carrier having such information signals |
| 11/05/1997 | EP0804791A1 A cd-rom software protection system |
| 11/05/1997 | EP0804768A1 Low power filter coefficient adaptation circuit for digital adaptive filter |
| 11/05/1997 | EP0683951B1 Multimedia distribution system |
| 11/05/1997 | CN1164093A CD apparatus and substitution treating method |
| 11/05/1997 | CN1164092A CD apparatus and substitution treating method |
| 11/05/1997 | CN1164091A Information recording disc with substitution area |
| 11/05/1997 | CN1164086A Digital signal recording apparatus and digital signal processing apparatus |
| 11/04/1997 | US5684986 Embedded directory method and record for direct access storage device (DASD) data compression |
| 11/04/1997 | US5684915 Digital VTR for recording special replay data with appended error correction codes |
| 11/04/1997 | US5684810 Error correcting decoder and error correction decoding method |
| 11/04/1997 | US5684786 Record carrier having an information volume including audio information and an information volume including additional non-audio information |
| 11/04/1997 | US5684784 CAV recording/ reproducing apparatus for dividing input data in an amount proportional if the radial lengths of a plurality of recording areas |
| 11/04/1997 | US5684783 Reproducing apparatus having a detector for simultaneously scanning adjacent tracks of an optical recording medium |
| 11/04/1997 | US5684774 Optical disk apparatus |
| 11/04/1997 | US5684773 Digital data information reproducing apparatus |
| 11/04/1997 | US5684772 Magneto-optical disc recording and reproducing system with level clamping |
| 11/04/1997 | US5684768 Method and apparatus for forming unit from image data, sound data, and header data divided at predetermined positions therein, and method, apparatus, and recordig medium for reproducing unit |
| 11/04/1997 | US5684765 Optical recording method and control |
| 11/04/1997 | US5684714 Method and system for a user to manually alter the quality of a previously encoded video sequence |
| 11/04/1997 | US5684651 Magnetic disk system having servo signal detecting function depending on recording density of servo data |
| 11/04/1997 | US5684649 Recording/reproducing apparatus with read-after-write capability |
| 11/04/1997 | US5684648 Digital signal recording apparatus with means for detecting an ID signal and controlling the number of signal samples |
| 11/04/1997 | US5684189 Hydrolyzing an azide to form an intermediate azide, extracting the intermediate azide into an aqueous base and reducing the azide to an amine |
| 10/30/1997 | WO1997040603A2 Process and device for recording/processing authentic audio data |
| 10/30/1997 | WO1997040496A1 Method and device for recording/ processing of authentic image and/or audio data |
| 10/30/1997 | WO1997040495A1 Writing and reading high density magnetic tapes |
| 10/30/1997 | WO1997028630A3 System and method for interfacing multiple electronic devices |
| 10/30/1997 | DE19715131A1 Digital signal recording and reproduction method |
| 10/30/1997 | DE19616819A1 CD mit eingebautem Chip CD with built-in chip |
| 10/29/1997 | EP0804040A2 Apparatus and method for generating digital still image files from digital moving images |
| 10/29/1997 | EP0803872A2 Recording and/or reproducing and/or initialising apparatus |
| 10/29/1997 | EP0803871A1 Recording data generation method, recording medium on which data is recorded, and data reproducing apparatus |
| 10/29/1997 | EP0803815A1 Information processing apparatus and method |
| 10/29/1997 | EP0803158A1 Wide biphase digital servo information, detection, and estimation for disk drive using viterbi detection |
| 10/29/1997 | EP0803110A1 Audiovisual distribution system |
| 10/29/1997 | EP0803094A1 Method and device for error protection of programmable memories |
| 10/29/1997 | EP0503768B1 Method and means for accessing arrays of DASDS |
| 10/29/1997 | CN1163673A information carrier, device for reading and device for providing information carrier and method for transmitting picture information |
| 10/29/1997 | CN1163459A Optical disc error-correcting code system by using error-correcting and sector address relation |
| 10/29/1997 | CN1163458A Tape pre-formatting by uniform data storing section |
| 10/29/1997 | CN1163457A User defining data in unused area of data storing medium |
| 10/29/1997 | CN1163452A Optical disc device and replacing processing method |
| 10/29/1997 | CN1036299C Format for data-storing disk media wherein address able track angular length is independent of disk recolution |
| 10/28/1997 | US5682499 Directory rebuild method and apparatus for maintaining and rebuilding directory information for compressed data on direct access storage device (DASD) |
| 10/28/1997 | US5682463 Perceptual audio compression based on loudness uncertainty |
| 10/28/1997 | US5682457 Method and apparatus for recording HDTV signals having a wide bandwidth on a narrow bandwidth tape |
| 10/28/1997 | US5682406 Method and apparatus for settting the parameters of an equalizer |
| 10/28/1997 | US5682374 Recording medium having a recorded phase reference signal for fine adjustment of a phase sampling clock signal |
| 10/28/1997 | US5682367 Optical data storage and retrieval system and method |
| 10/28/1997 | US5682366 Optical disc recording apparatus with efficient data checking |
| 10/28/1997 | US5682365 Apparatus for recording data on a disc-shaped optically readable record carrier |
| 10/28/1997 | US5682360 Recording and reproducing apparatus for use with a recording medium having an optical recording layer and magnetic recording layer |
| 10/28/1997 | US5682272 Disk drive and method for retrying a read operation upon detecting a read error |
| 10/28/1997 | US5682271 Electronic device for the fast duplication of magnetic tapes |
| 10/28/1997 | US5682159 Method and apparatus for reducing phase lag resulting from digital to analog conversion |
| 10/28/1997 | US5682153 Adjust bit determining circuit |
| 10/28/1997 | US5682125 Adaptive analog transversal equalizer |
| 10/23/1997 | WO1997039451A1 Multimedium optical disk storing image titles in such a manner that whether they need av functions for reproduction can be instantly judged, and apparatus for and method of reproducing the same |
| 10/23/1997 | WO1997039444A1 Optical disc and recording/reproducing apparatus therefor |
| 10/23/1997 | WO1997035400A3 Data synchronizing system for multiple memory array processing field organized data |
| 10/23/1997 | WO1997029486A3 Encoder for digital data storage |
| 10/23/1997 | DE19630416C1 Audio signal filter with anti=aliasing function |
| 10/23/1997 | DE19615302A1 Verfahren und Vorrichtung zum Aufzeichnen/Verarbeiten von authentischen Tondaten Method and apparatus for recording / processing sound data of authentic |
| 10/23/1997 | DE19615301A1 Verfahren und Vorrichtung zum Aufzeichnen/Verarbeiten von authentischen Bild- und/oder Tondaten Method and apparatus for recording / processing authentic image and / or sound data |
| 10/22/1997 | EP0802682A1 Video encoder and recording device |
| 10/22/1997 | EP0802636A2 Method and apparatus for error correction |
| 10/22/1997 | EP0802634A2 Viterbi decoding method and circuit therefor |
| 10/22/1997 | EP0802538A2 Video server |
| 10/22/1997 | EP0802536A2 Recording medium, signal recording apparatus thereof, and signal reproducing apparatus thereof |
| 10/22/1997 | EP0802535A1 Information recording medium, information reproduction apparatus and information reproduction method |
| 10/22/1997 | EP0802527A1 Optical disk, optical recorder, optical reproducing device, encrypted communication system, and authorizing system for use of program |
| 10/22/1997 | EP0802490A2 System and method for connecting portable media with a network |
| 10/22/1997 | EP0802485A1 Host-based RAID-5 and NV-RAM integration |