| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 10/08/2002 | US6463021 Optical disk, an optical disk device, and a method of managing defects in an optical disk |
| 10/08/2002 | US6463017 Disc player for playing discs with optically stored data |
| 10/08/2002 | US6463014 Reproducing apparatus |
| 10/08/2002 | US6462898 Disk drive with information encoded in the position error signal fields |
| 10/08/2002 | US6462896 Method for minimizing adjacent track data loss during a write operation in a disk drive |
| 10/08/2002 | US6462686 Servo controller and servo control method |
| 10/08/2002 | US6462600 Read-head preamplifier having internal offset compensation |
| 10/08/2002 | US6462263 Information recording medium and reproducing apparatus therefor |
| 10/08/2002 | CA2316877C Data conversion apparatus and method in copyright protecting system |
| 10/03/2002 | WO2002078340A2 Monitoring apparatus, computer program and network for secure data storage |
| 10/03/2002 | WO2002077993A2 System and method for recording and playing audio selections |
| 10/03/2002 | WO2002077865A1 Recording device, and recording method, and recording medium |
| 10/03/2002 | WO2002077827A1 Information processing apparatus |
| 10/03/2002 | WO2002052366A3 Optical communication disc with built-in computing unit and methods processing information therewith |
| 10/03/2002 | WO2002027493A3 Enhanced short disc drive self test using historical logs |
| 10/03/2002 | WO2001091314A3 Method and means for receiving a digital transmission comprising a plurality of digital audio signals and for simultaneous reproduction of these signals as analog audio programmes |
| 10/03/2002 | US20020144270 Recording and reproducing device and program list forming method thereof |
| 10/03/2002 | US20020144207 Method for testing a communication module and the associated recording medium |
| 10/03/2002 | US20020144206 Error correction apparatus for performing consecutive reading of multiple code words |
| 10/03/2002 | US20020144186 Read processing method of storage medium, storage apparatus, data reproduction method, data reproduction system and storage medium therefor |
| 10/03/2002 | US20020144133 Methods of attack on a content screening algorithm based on adulteration of marked content |
| 10/03/2002 | US20020144132 Apparatus and methods of preventing an adulteration attack on a content screening algorithm |
| 10/03/2002 | US20020144130 Apparatus and methods for detecting illicit content that has been imported into a secure domain |
| 10/03/2002 | US20020144123 Method for copy protecting a record carrier, copy protected record carrier and means for detecting access control information |
| 10/03/2002 | US20020144114 Copy protection using multiple security levels on a programmable CD-ROM |
| 10/03/2002 | US20020144057 Archival data storage system and method |
| 10/03/2002 | US20020144048 Data storage media library with scalable throughput rate for data routing and protocol conversion |
| 10/03/2002 | US20020144034 Disk drive control for improving the operation of a computer subjected to motion |
| 10/03/2002 | US20020144022 Control method of optical disk recording/reproducing apparatus |
| 10/03/2002 | US20020143902 Reproducing apparatus and server system providing additional information therefor |
| 10/03/2002 | US20020143793 Method and apparatus for providing file system access to a disk array |
| 10/03/2002 | US20020143530 Feature-based audio content identification |
| 10/03/2002 | US20020143502 Apparatus and methods for attacking a screening algorithm using digital signal processing |
| 10/03/2002 | US20020141741 Universal multimedia optic disc player and its application for revocable copy protection |
| 10/03/2002 | US20020141740 Data reproduction apparatus and data reproduction method |
| 10/03/2002 | US20020141738 Optical disc, optical disc recording apparatus, and optical disc recording method for facilitating dubbing, storage medium for storing optical disc recording program for facilitating dubbing, optical disc reproducing apparatus, and optical disc reproducing method |
| 10/03/2002 | US20020141737 Audio data recording medium and related apparatuses |
| 10/03/2002 | US20020141736 Digital signal recording devices, digital signal recording/playback devices, and digital signal receiving/recording/playback devices |
| 10/03/2002 | US20020141735 Information record medium and apparatus for reproducing information according to navigation information |
| 10/03/2002 | US20020141733 Replaying video information |
| 10/03/2002 | US20020141732 Multi video device control and expansion method and apparatus |
| 10/03/2002 | US20020141583 Copy protection using a preformed ID and a unique ID on a programmable CD-ROM |
| 10/03/2002 | US20020141582 Content security layer providing long-term renewable security |
| 10/03/2002 | US20020141581 Methods and apparatus for attacking a screening algorithm |
| 10/03/2002 | US20020141580 Reproducing device, reproducing method, and receiving device |
| 10/03/2002 | US20020141579 Recording and reproducing device, control method and abuse prevention system |
| 10/03/2002 | US20020141578 Method and apparatus for content protection across a source-to-destination interface |
| 10/03/2002 | US20020141577 Method and system for providing bus encryption based on cryptographic key exchange |
| 10/03/2002 | US20020141576 Validating keying material by using a validation area of read-only media to prevent playback of unauthorized copies of content stored on the media |
| 10/03/2002 | US20020141439 Method and system for synchronizing isochronous data on transmit over the IEEE 1394 bus from content unaware devices |
| 10/03/2002 | US20020141317 Optical disk having wobble patterns and block identification marks |
| 10/03/2002 | US20020141310 Method and apparatus for the authentication of encoded data |
| 10/03/2002 | US20020141307 Information reproduction apparatus, signal processing apparatus, and information reproduction method |
| 10/03/2002 | US20020141306 Cross-talk removal apparatus and data reproduction apparatus |
| 10/03/2002 | US20020141296 Method for reorganizing additional writing format storage media volume |
| 10/03/2002 | US20020141099 Implementation of variable bit density recording in storage disc drives |
| 10/03/2002 | US20020141096 Apparatus and method for reproducing information, information recording medium and reproduction program |
| 10/03/2002 | US20020141093 Data reproduction apparatus and method |
| 10/03/2002 | US20020141092 Data reproducing apparatus and data reproducing system |
| 10/03/2002 | US20020141091 Disc drive pattern zero verification test |
| 10/03/2002 | US20020141089 Timing recovery loop latency reduction via loop filter pre-calculation |
| 10/03/2002 | US20020140586 Efficient coding of side information in a lossless encoder |
| 10/03/2002 | US20020140585 Technique for encoding a sequence of periodic byte values with vertical correlation |
| 10/03/2002 | US20020140584 Method for recording information, method for reproducing information, and information recording apparatus |
| 10/03/2002 | US20020140417 Method for indexing magnetic disks by using a scanning probe |
| 10/02/2002 | EP1246463A2 Recording and reproducing device, control method and abuse prevention system |
| 10/02/2002 | EP1246462A2 Reproducing device, reproducing method, and receiving device |
| 10/02/2002 | EP1246382A2 Data reproducing apparatus and data reproducing system |
| 10/02/2002 | EP1246190A1 Device for storing and playing back information recorded on recording medium |
| 10/02/2002 | EP1246183A2 Catalog merchandising using hybrid optical disc |
| 10/02/2002 | EP1246181A2 Optical disk recording/reproducing apparatus |
| 10/02/2002 | EP1246104A1 Credit or debit copy-protected optical disc |
| 10/02/2002 | EP1245027A2 USAGE OF AN SDRAM AS STORAGE FOR CORRECTION AND TRACK BUFFERING IN FRONTEND ICs OF OPTICAL RECORDING OR REPRODUCTION DEVICES |
| 10/02/2002 | EP1245025A2 Copy-protected digital audio compact disc, and method and system for producing same |
| 10/02/2002 | EP1244971A1 I/o method and apparatus for optical storage media |
| 10/02/2002 | EP0763283B1 Data transmission system, data recording and reproducing apparatus and recording medium each having data structure of error correcting code |
| 10/02/2002 | EP0718766B1 Method of operating a disk drive array |
| 10/02/2002 | EP0709765B1 Method and system for selecting data for migration in a hierarchic data storage system using frequency distribution tables |
| 10/02/2002 | DE10129120A1 Recording, reproducing multimedia data involves generating stream of audio visual and/or multimedia data in computer; data stream is automatically stored in segments of adjustable length |
| 10/02/2002 | CN1372764A Method of masking picture display transitions upon change-over of the video |
| 10/02/2002 | CN1372763A An optical disc, a recorder, a player, a recording method, and a reproducing method that are all used for the optical disc |
| 10/02/2002 | CN1372738A Information recording/reproducing apapratus and method |
| 10/02/2002 | CN1372684A Optic disk medium and optical disk identification method and optical disk device |
| 10/02/2002 | CN1372263A Signal process circuit and method thereof |
| 10/02/2002 | CN1372262A Device and method for conversion duplicating data |
| 10/02/2002 | CN1372261A Intelligent fuzzy nerve network disc identifying method for optical driver |
| 10/02/2002 | CN1372252A Information recording medium, recording device and information reproducing device |
| 10/02/2002 | CN1372250A Optical disc device |
| 10/02/2002 | CN1372197A Information process system, medium, equipment method, and relative storage medium |
| 10/02/2002 | CN1091929C Optical CD replaying apparatus |
| 10/02/2002 | CN1091927C Digital information recording apparatus and digital infromation recording and preproducing apparatus |
| 10/02/2002 | CN1091924C Original disc producing device for optical disc and optical disc producing device and method |
| 10/02/2002 | CN1091921C Data reproducing method and apparatus |
| 10/02/2002 | CN1091918C Copy protectable optical media device and method thereof |
| 10/01/2002 | USRE37864 Quantizing error reducer for audio signal |
| 10/01/2002 | US6460157 Method system and program products for error correction code conversion |
| 10/01/2002 | US6460150 Noise-predictive post-processing for PRML data channel |
| 10/01/2002 | US6460111 Semiconductor disk drive and method of creating an address conversion table based on address information about defective sectors stored in at least one sector indicated by a management code |
| 10/01/2002 | US6460097 Data stream output apparatus |
| 10/01/2002 | US6459851 Apparatus for processing audio and video DVD data |