Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
11/2000
11/14/2000US6148043 Viterbi decoder and viterbi decoding method
11/14/2000US6147961 Optical disk and optical disk drive device
11/14/2000US6147957 Information recording/reproducing apparatus and method
11/14/2000US6147951 Recorded information reproduction method and recorded information reproduction apparatus with multiple reading elements
11/14/2000US6147945 Recording/reproducing apparatus and method
11/14/2000US6147940 Compact disc changer utilizing disc database
11/14/2000US6147894 Method and apparatus for storing data using spin-polarized electrons
11/14/2000US6147828 Method and apparatus for reducing asymmetry in a signal from a magneto-resistive read head
11/14/2000US6147827 Method of correcting read errors in a data storage system using targeted ECC
11/14/2000US6147826 Magnetic disk apparatus having duplicate sync byte patterns
11/14/2000US6147825 Timer with temperature compensation of time delays
11/14/2000US6147823 Method for recording digital data including a data conversion or format conversion, and apparatus using the method
11/14/2000US6147694 Slow motion replay system having simple structure
11/14/2000US6147554 Control signal amplification circuit
11/14/2000US6147531 Sampled delay locked loop insensitive to clock duty cycle
11/14/2000US6147530 PLL circuit
11/14/2000US6147488 Measurement method of time dependent magnetic remanence in a recording medium
11/14/2000CA2195595C System for compression and buffering of a stream with data extraction requirements
11/14/2000CA2191588C Optical disk having pattern for evaluating the optical disk
11/14/2000CA2049706C Disc shaped recording medium and recording/reproducing apparatus therefor
11/09/2000WO2000067477A1 Watermark system
11/09/2000WO2000067261A1 Multi-format personal digital audio player
11/09/2000WO2000067260A1 A read channel with programmable bandwidth control
11/09/2000WO2000067259A1 Universal player for compressed audio
11/09/2000WO2000067258A1 Method and apparatus for processing digitally encoded audio data
11/09/2000WO2000067257A2 Optical disk, optical disk recording and reproducing apparatus, method for recording, reproducing and deleting data on optical disk, and information processing system
11/09/2000WO2000067256A1 Registering copy protected material in a check-out, check-in system
11/09/2000WO2000067250A2 Methods and systems for mirrored disk arrays
11/09/2000WO2000067130A1 File managing system
11/09/2000WO2000049762A3 Method and device for generating an encoded useful data stream and method and device for playing back an encoded user data stream
11/09/2000WO2000030108A3 A method of reacquiring clock synchronization on a non-tracking helical scan tape device
11/09/2000WO2000004727A3 Use of a watermark for the purpose of copy protection
11/08/2000EP1051035A1 Data processing device and method, and recording device and method
11/08/2000EP1051027A1 Methods and apparatus for data processing, methods and apparatus for data reproducing and recording media
11/08/2000EP1051011A2 System for preventing an illegal copy of digital contents
11/08/2000EP1050971A2 Method and apparatus for producing a pulse width modulated signal
11/08/2000EP1050881A2 Signal recording apparatus
11/08/2000EP1050880A1 Information reproduction system, information recording / reproduction system, and recording medium
11/08/2000EP1050879A2 Recording and reproducing apparatus with means for encryption of information
11/08/2000EP1050873A1 Method and circuit for detecting playback signal which is compensated for time delay
11/08/2000EP1050821A2 Memory units, data processing units, and methods therefor
11/08/2000EP1050795A2 Copy button on drive
11/08/2000EP1050049A1 Method and device for recording real-time information
11/08/2000EP1050047A1 Recording and reproducing a digital information signal in a first or a second recording / reproducing mode on/from a record carrier
11/08/2000EP1050046A2 Method of and device for generating a key
11/08/2000EP1050045A1 Embedding and extracting supplemental data in an information signal
11/08/2000EP1020035A4 Method and apparatus for encoding a binary signal
11/08/2000EP0896331B1 Information recording method and information recording medium
11/08/2000EP0754341A4 A method and apparatus for protecting data from mis-synchronization errors
11/08/2000EP0702301B1 Storage apparatus and method for its control
11/08/2000EP0695443B1 Remote data mirroring
11/08/2000CN2405294Y Message recording apparatus
11/08/2000CN1272941A Information recording method, information reproducing method, recording medium used by method, information recording device, and information reproducing device
11/08/2000CN1272749A Method and equipment for controlling digital video data display
11/08/2000CN1272734A System for preventing illegal copy digital content
11/08/2000CN1272672A Recording method management method and recording equipment
11/07/2000US6145114 Method of enhanced max-log-a posteriori probability processing
11/07/2000US6145112 Error correcting method and apparatus
11/07/2000US6145111 High-performance low-complexity error-correcting codes
11/07/2000US6145081 Method and apparatus for preventing removal of embedded information in cover signals
11/07/2000US6145053 Data security method using head disk stiction
11/07/2000US6145034 Method and apparatus for switching data rates during back-up based on computer data and speed
11/07/2000US6144951 Apparatus and method for tuning a tunable element in a data storage device
11/07/2000US6144745 Method of and apparatus for retaining and verifying of data on recording medium
11/07/2000US6144743 Information recording medium, recording apparatus, information transmission system, and decryption apparatus
11/07/2000US6144740 Method for designing public key cryptosystems against fault-based attacks with an implementation
11/07/2000US6144624 Method and device for controlling tracking of optical memory card
11/07/2000US6144517 Magnetic disk device and method of manufacturing same
11/07/2000US6144516 Head displacement measuring method and apparatus and data recording/reproducing method and apparatus
11/07/2000US6144515 Equalizer having a processing unit for selecting a coefficient out of a coefficient table
11/07/2000US6144514 Format calculator for headerless hard disk with embedded servo wedges
11/07/2000US6144324 Method of modulating and demodulating digital data and digital data modulator/demodulator
11/07/2000CA2259838C Method and apparatus for retrieving data from a storage device
11/07/2000CA2242195C Method and device for recording data in an optical memory card
11/02/2000WO2000065828A1 Information processing device and method for controlling programmed video recording of television broadcast program and recorded medium on which program is recorded
11/02/2000WO2000065592A1 Disk recording medium, reproduction device and method for performing reproduction on disk recording medium
11/02/2000WO2000065447A1 Method and apparatus for dealing with data corruption and shared disks in the context of saving, using and recovering data
11/02/2000EP1049332A2 Method, apparatus and medium for recording digital information signal
11/02/2000EP1049320A1 Computer linking methods employing audio or visual data objects
11/02/2000EP1049098A2 Method and apparatus for controlling presentation of digital video data
11/02/2000EP1049097A1 Method for temporarily deleting stream objects on a recording medium
11/02/2000EP1049090A1 Multi-rate clock generator and multi-rate digital data reproducing device
11/02/2000EP1049089A2 Data structure for control information on rewriteable data storage media
11/02/2000EP1049088A1 Information processing system, device and method
11/02/2000EP1049087A2 Contents information recording method, contents information recording unit, contents information record reproduction method, contents information record reproduction unit and media therefor
11/02/2000EP1049079A1 Optical disk, optical disk device and optical disk recording method
11/02/2000EP1049078A2 Reproduction apparatus for optical disk
11/02/2000EP1048172A2 Use of a watermark for the purpose of copy protection
11/02/2000EP1048034A1 Methods and apparatus for data storage on magnetic media including error correction codes
11/02/2000EP1048033A1 Arrangement for reading information from a record carrier
11/02/2000EP0652548B1 Disk device
11/02/2000DE10020624A1 Optical disc has sectors with two address regions, data region, clock signal regions arranged discretely along tangential direction of recording tracks; each sector is divided into segments
11/02/2000CA2371334A1 Disk recording medium, reproduction device and method for performing reproduction on disk recording medium
11/01/2000CN1272283A Method and apparatus for copy-once water mark for video recording
11/01/2000CN1272210A Optical disk, reproduction apparatus, and reproduction method
11/01/2000CN1272209A Optical disk, reproduction apparatus, and reproduction method
11/01/2000CN1272207A Recording/reproduction and/or editing of real time information on/from disc like record carrier
11/01/2000CN1272030A Memory element, data processing unit and data processing method
11/01/2000CN1272028A Safety type memory equipment possessing enhanced compatibility
11/01/2000CN1272027A Safety device used in memory card
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