| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 08/03/1999 | US5933498 System for controlling access and distribution of digital property |
| 08/03/1999 | US5933463 Method and circuit for calculating metrics for an analog viterbi detector |
| 08/03/1999 | US5933410 Optical disc and optical disc driving apparatus |
| 08/03/1999 | US5933399 Optical disc recording method and apparatus with variable speed control function |
| 08/03/1999 | US5933398 Apparatus for reproducing recording medium with synthesis method and default value and method therefor |
| 08/03/1999 | US5933394 Apparatus and method for storing reproduction related information in digital versatile disc player |
| 08/03/1999 | US5933290 Recording an information signal on a record carrier provided with tracking signals |
| 08/03/1999 | US5933103 For use in digital data recording |
| 08/03/1999 | US5931968 Digital data recording channel |
| 08/03/1999 | US5931966 Viterbi detector with a pipelined look-up table of squared errors |
| 08/03/1999 | US5931921 System for CD-ROM audio playback utilizing blocking of data writing, resuming writing responsive to detecting data in response to difference between desired address and present address |
| 07/29/1999 | WO1999038169A1 Information reproduction system, information recording / reproduction system, and recording medium |
| 07/29/1999 | WO1999038168A1 Recording media, and recording / reproducing apparatus |
| 07/29/1999 | WO1999038167A1 System for recording and reproducing digital information, and digital information recording media |
| 07/29/1999 | WO1999038165A1 Audio data structure, recording media, and processor |
| 07/29/1999 | WO1999038164A1 Method and system for data recording / reproducing, apparatus for recording/reproducing, and media for recording program |
| 07/29/1999 | WO1999038162A1 Protection of data on media recording disks |
| 07/29/1999 | WO1999038154A1 Audio recorder with retroactive storage |
| 07/29/1999 | WO1999038144A1 Watermark applied to one-dimensional data |
| 07/29/1999 | WO1999038098A2 Dvd-authoring system and method |
| 07/29/1999 | WO1999038078A1 Storage device, encrypting/decrypting device, and method for accessing nonvolatile memory |
| 07/29/1999 | WO1999017451A3 Method and device for detecting bits in a data signal |
| 07/29/1999 | WO1999004387A3 Apparatus and method for simplified analog signal record and playback |
| 07/29/1999 | DE19900668A1 System for formatting of a computer memory e.g. hard disk |
| 07/29/1999 | CA2318552A1 Audio recorder with retroactive storage |
| 07/28/1999 | EP0932160A2 Transmitting system, transmitting method, and transmitting/receiving system |
| 07/28/1999 | EP0932159A2 Information recording apparatus |
| 07/28/1999 | EP0932157A1 Automatically performed crossover between two consecutively played back sets of audio data |
| 07/28/1999 | EP0932153A2 Information recording and reproducing apparatus |
| 07/28/1999 | EP0689751B1 Copy protection for hybrid digital video tape recording and unprotected source material |
| 07/28/1999 | EP0515499B1 Disk drive memory |
| 07/28/1999 | CN1224215A Storage unit, storage medium and identification information recording method |
| 07/27/1999 | US5930825 Method and apparatus for preventing unauthorized use by comparing medium identifications |
| 07/27/1999 | US5930450 Recording medium, apparatus and method of recording data on the same, and apparatus and method of reproducing data from the recording medium |
| 07/27/1999 | US5930448 Tracking control circuit and method in digital image recording and reproducing device using bit error rate |
| 07/27/1999 | US5930447 Video tape recorder for intermittent recording and having rotary heads with no step therebetween |
| 07/27/1999 | US5930367 Apparatus for recording/reproducing or transmitting/receiving signal data having a portion of an error correction code replaced with other information and methods thereof |
| 07/27/1999 | US5930358 For use with a computer |
| 07/27/1999 | US5930274 Information recording and reproduction apparatus to be controlled by temporal information |
| 07/27/1999 | US5930228 Method and apparatus for recording and reproducing information using pseudo identification signal |
| 07/27/1999 | US5930227 Optical disk having an evaluation pattern for evaluating the optical disk |
| 07/27/1999 | US5930226 Storage medium storing plural data of plural types in reproduction order with identification information |
| 07/27/1999 | US5930225 Two-layer optical disk |
| 07/27/1999 | US5930216 Clock combining circuit |
| 07/27/1999 | US5930215 CD-Rom with machine-readable I.D. code |
| 07/27/1999 | US5930210 System and apparatus for recovering information from a record carrier which exhibits variations of two different physical parameters thereof |
| 07/27/1999 | US5930209 Optical disc with sector address irregularities to prevent copying, and apparatus for recording and detecting such copy protection |
| 07/27/1999 | US5930065 Timing based servo longitudinal addressing |
| 07/27/1999 | US5930064 Data recording method |
| 07/27/1999 | US5930061 Data recording method |
| 07/27/1999 | US5929794 Digital information data recording and reproducing apparatus |
| 07/27/1999 | US5928372 Method and apparatus for verifying data transfer in data processor equipped with external recording unit |
| 07/27/1999 | US5928327 System and process for delivering digital data on demand |
| 07/22/1999 | WO1999036913A1 Methods and apparatus for data storage on magnetic media including error correction codes |
| 07/22/1999 | WO1999036911A1 Av data input/output device |
| 07/22/1999 | WO1999036910A1 Recording method for specifying master recording medium and method for specifying master recording medium |
| 07/22/1999 | WO1998052287A3 Signal space detector for channels utilizing a code having time varying constraints |
| 07/21/1999 | EP0930783A1 Method and apparatus for encoding bitstreams for seamless reproduction |
| 07/21/1999 | EP0930782A1 Method and apparatus for encoding bitstreams for seamless reproduction |
| 07/21/1999 | EP0930718A2 Tandem operation of input/output data compression modules |
| 07/21/1999 | EP0930618A2 Optical disk and optical disk reproduction apparatus |
| 07/21/1999 | EP0930617A2 Information recording apparatus for writable recording media |
| 07/21/1999 | EP0930616A2 Data storage device and control method therefor |
| 07/21/1999 | EP0930615A2 Data storage device and control method therfor |
| 07/21/1999 | EP0930614A1 "Closed information system with physical copy protection" |
| 07/21/1999 | EP0930560A2 Storage unit, storage medium and identification information recording method |
| 07/21/1999 | EP0930556A2 Information processing apparatus, methods and systems and providing media |
| 07/21/1999 | EP0929942A1 A method of data protection |
| 07/21/1999 | EP0929893A1 Optical disc, optical disc device, and method for recording an optical disc |
| 07/21/1999 | EP0832535B1 Simple bus and interface system for consumer digital equipment |
| 07/21/1999 | EP0700568B1 Synchronizing digital audio to digital video |
| 07/21/1999 | CN1223437A Recording apparatus, recording method, playback apparatus, playback method, recording/playback apparatus, recording/playback method, presentation medium and recording medium |
| 07/21/1999 | CN1223433A Method and apparatus for controlling data buffer |
| 07/20/1999 | US5926612 Apparatus for recording data with a multi-level arrangement of error correction coding |
| 07/20/1999 | US5926490 Sampled amplitude read channel employing a remod/demod sequence detector guided by an error syndrome |
| 07/20/1999 | US5926453 Optical disk having first and second recording areas with wobble frequencies that do not interfere with EFM signal |
| 07/20/1999 | US5926449 Pre-calibration system and method for CD-ROM drive speed optimization |
| 07/20/1999 | US5926448 Recording medium, recording apparatus, reproducing method, and reproducing apparatus |
| 07/20/1999 | US5926334 Noise reduction system for an audio system |
| 07/20/1999 | US5926333 Technique for generating sector pulses by comparing production clock values with stored sector length value |
| 07/20/1999 | US5926332 Digital sound reproducing and editing device for recording sound with fixed editing points |
| 07/20/1999 | US5925144 Error correction code circuit that performs built-in self test |
| 07/20/1999 | US5925104 Method for making a multimedia application executable on hardware platforms with various different resource levels, a physical record containing such application, and an apparatus for executing such application |
| 07/20/1999 | CA2023963C Optical recording medium and method for recording and reproducing information therein |
| 07/15/1999 | WO1999035747A2 Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa |
| 07/15/1999 | WO1999035647A1 System and method for copy protection for digital signals |
| 07/15/1999 | WO1999035641A1 Method and apparatus for determining the provenance of a data carrying disc |
| 07/15/1999 | WO1999035575A1 A physical block address recovery apparatus, system and method for cyclic error correction codes |
| 07/15/1999 | WO1999022340A9 Optical disc authentication and data storage |
| 07/15/1999 | DE19901158A1 Impedance converter circuit for video, audio or communications apparatus |
| 07/15/1999 | CA2434734A1 Method of copy protecting signals |
| 07/15/1999 | CA2434702A1 Method of copy protecting signals |
| 07/14/1999 | EP0929068A2 Method of and apparatus for reproducing a plurality of information pieces |
| 07/14/1999 | EP0929067A1 Magnetic disk apparatus |
| 07/14/1999 | EP0929037A1 Data transfer device and data transfer method |
| 07/14/1999 | EP0928520A1 Error detection scheme for arq systems |
| 07/14/1999 | EP0895617A4 A method and system for synchronizing and navigating multiple streams of isochronous and non-isochronous data |
| 07/14/1999 | EP0807346A4 Cd-prom |
| 07/14/1999 | EP0783751B1 Circuit and method for locating data sectors in embedded servo hard disc drives |
| 07/14/1999 | CN1223052A Signal processor and signal processing method |