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)
04/2003
04/23/2003EP1304684A2 Optimized data storage system and method for optical storage system
04/23/2003EP1304628A2 Method and apparatus for selecting and reproducing information
04/23/2003EP1303958A2 Data transmission using pulse width modulation
04/23/2003EP1303916A1 Coding of a data stream
04/23/2003EP1303915A2 Coding a data stream
04/23/2003EP1303858A2 Copy-protected optical media and method of manufacture thereof
04/23/2003EP1210684A4 A method and computer-implemented procedure for creating electronic, multimedia reports
04/23/2003EP1142130B1 Entropy code mode switching for frequency-domain audio coding
04/23/2003EP1110400A4 Method and system for protecting digital data from unauthorized copying
04/23/2003EP0941510B1 Method and apparatus for adding to the reserve area of a disk drive
04/23/2003EP0916135B1 Optical record carrier and apparatus for scanning such a record carrier
04/23/2003EP0639811B1 Memory systems with data storage redundancy management
04/23/2003CN1413418A Picture gradual change function for digital optical disk
04/23/2003CN1413413A Method for editing source video to slow motion or fast motion on recordable media
04/23/2003CN1413412A DVD recorder pause feature utilizing variable read rate
04/23/2003CN1413346A Delete and undelete for recordable DVD editing
04/23/2003CN1413345A Buffer optimization for simultaneous encoding-decoding and pause-catch-up for real-time DVD recorder
04/23/2003CN1413344A 放音设备和存储介质 Playback devices and storage media
04/23/2003CN1412970A Signal processing system, signal input/output equipment and communication control method
04/23/2003CN1412763A Swing signal deteching circuit, information processing device, method and recording medium
04/23/2003CN1412762A Swing signal detecting circuit, information processing device, method and recording medium
04/23/2003CN1412761A Fetch channel device and its method
04/23/2003CN1412760A Video playback machine capable of automatically renewing core program
04/23/2003CN1412759A Method for reducing buffer depletion and producing frequency
04/23/2003CN1412754A Information recording carrier
04/23/2003CN1412697A Video information recording/reproducing equipment and method, recording medium and program
04/23/2003CN1106760C Automatic picture quality controller
04/23/2003CN1106717C Device and method of transmission and reception of digital information signal
04/23/2003CN1106644C Magnetic tape drive device and method of magnetic tape medium mounting roll
04/23/2003CN1106642C Producer coordinating viewing/listening mode optical disk reproducing device and method
04/23/2003CN1106641C Recording method suitable for recording AV data on disc, and information processing system
04/23/2003CN1106640C Optical disk and optical drive device
04/23/2003CN1106633C Magnetic head device for recording/reproducing information signal
04/23/2003CN1106266C Method and appts. for rendering optically encoded medium unreadable
04/22/2003US6553541 Reduced-complexity sequence detection
04/22/2003US6553536 Soft error correction algebraic decoder
04/22/2003US6553533 Method and apparatus for detecting and correcting errors and erasures in product ECC-coded data arrays for DVD and similar storage subsystems
04/22/2003US6553532 Method and apparatus for recording and reproducing information on and from disk
04/22/2003US6553183 Recording apparatus for performing hierarchical overwrite recording of video and/or audio data to a recording medium
04/22/2003US6553180 Digital information recording/playback system and digital information recording medium
04/22/2003US6553179 Optical disc for coordinating the use of special reproduction functions and a reproduction device for the optical disc
04/22/2003US6553177 Information recording and reproducing system
04/22/2003US6553176 Data structure for representing two or more versions of program material
04/22/2003US6553129 Computer system linked by using information in data objects
04/22/2003US6553086 Method and apparatus for recording time information for digital data streams
04/22/2003US6553067 Method for protection of data reproduction according to both medium and apparatus protection data and a medium therefor
04/22/2003US6552988 Apparatus for reproducing information recorded on recording medium while adjusting middle level of detected signal corresponding to the information
04/22/2003US6552987 Optical disk apparatus wherein recording clock signal is stopped being supplied to semiconductor laser drive circuit on optical pickup during reproduction operation
04/22/2003US6552986 Apparatus for recording and reproducing data
04/22/2003US6552983 Apparatus and method for detecting abnormal condition at the time of recording or reproducing information on information recording medium
04/22/2003US6552982 Information recording medium, information recording and reproduction method, and information recording and reproduction apparatus
04/22/2003US6552978 Information recording apparatus
04/22/2003US6552977 Information reproducing apparatus enabling equalization processing with equalization coefficient for reproduced information
04/22/2003US6552976 Storage and reproduction apparatus
04/22/2003US6552975 Methods for establishing recording rates of optical media recorders
04/22/2003US6552969 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
04/22/2003US6552865 Diagnostic system for a read/write channel in a disk drive
04/22/2003US6552672 Method, system and program storage device for providing a backup of data of a memory to at least one storage medium
04/22/2003US6552535 Defect detector circuit with a signal synthesizer and magnet disk certifier using the same defect detector circuit
04/17/2003WO2003032636A1 Reproducer
04/17/2003WO2003032497A1 Coding method and decoding method
04/17/2003WO2003032314A1 Code sensing method and apparatus
04/17/2003WO2003032313A1 Trellis code sensor and decoding apparatus
04/17/2003WO2003032312A2 Method and system for the authorised decoding of encoded data
04/17/2003WO2003032308A1 Information storage device and defect detecting circuit
04/17/2003WO2003032302A1 Disc recording medium, disc drive apparatus, reproduction method, and disc manufacturing method
04/17/2003WO2003032300A2 Method and apparatus for the encryption of data
04/17/2003WO2003032296A1 Encoding apparatus and method, decoding apparatus and method, and recording medium recording apparatus and method
04/17/2003WO2003010722A3 Method for local recording of television digital data
04/17/2003WO2002047081A9 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media
04/17/2003US20030074666 Audiovisual distribution system
04/17/2003US20030074569 Data backup method and storage medium for use with content reproduction apparatus
04/17/2003US20030074561 Method and computer system for encoding of information into a representation
04/17/2003US20030074344 Method of and apparatus for managing compressible data files on a recording medium
04/17/2003US20030074202 System for playing pre-recorded audio encoded in infra-red ink on a card
04/17/2003US20030074193 Data processing of a bitstream signal
04/17/2003US20030074130 Information processing apparatus and method, recording medium, and program
04/17/2003US20030072563 Multimedia data decoding apparatus and method capable of varying capacity of buffers therein
04/17/2003US20030072561 Image information recording medium, image information processor, and image information processing program
04/17/2003US20030072559 Extra margins for record time interval via EPG
04/17/2003US20030072557 Method of and apparatus for recording video data, and information storage medium thereby
04/17/2003US20030072556 Apparatus, method, program and recording medium for program recording and reproducing
04/17/2003US20030072453 Secure content distribution method and system
04/17/2003US20030072447 Optical disc authentication method and apparatus
04/17/2003US20030072361 Method and circuit of digital measurement of the phase of a sinusoidal signal
04/17/2003US20030072251 Information recording medium
04/17/2003US20030072242 Data recording apparatus, data reproducing apparatus, and data recording/reproducing apparatus
04/17/2003US20030072240 Information recording medium which records information that pertains to integrity
04/17/2003US20030072236 Recording method, recording medium, and recording system
04/17/2003US20030072232 Minimum delay buffering method, minimum delay buffer device for dynamic write strategy, and CD-RW/DVD-RW system having the same
04/17/2003US20030072230 Information recording/reproducing apparatus, and pre-pit detecting method
04/17/2003US20030072229 Data recording device and controller for data recording device
04/17/2003US20030072223 Information playback apparatus
04/17/2003US20030072100 Method and apparatus for providing write current optimization
04/17/2003US20030072099 Scheme to improve performance of timing recovery systems for read channels in a disk drive
04/17/2003US20030072033 Image data storage system
04/17/2003US20030070538 Audio signal outputting method, audio signal reproduction method, and computer program product
04/17/2003DE20301119U1 Digital music player has MP3 input and radio output to standard players
04/17/2003DE20301117U1 Digital music player has portable hard disk interface and radio link to player
04/16/2003EP1302947A2 Information playback apparatus
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