Patents
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
06/2002
06/18/2002US6408129 Method for processing a plurality of synchronized audio tracks, including phase inversion of a selected track
06/18/2002US6408040 Method and apparatus for compensating reproduced audio signals of an optical disc
06/18/2002US6407978 Apparatus of reproducing recorded signal on optical recording medium and method thereof
06/18/2002US6407977 Method for controlling equalizer characteristics of reproduced signals
06/18/2002US6407970 Enhanced adaptive and selective ISI cancellation for a read channel in storage technologies
06/18/2002US6407969 Information carrier with a compact header format and apparatus
06/18/2002US6407875 Method and apparatus for filtering a signal and producing a response
06/18/2002US6407750 Broadcast and recorded music management system particularly for use in automobile
06/13/2002WO2002047380A1 Recording arrangement for the error-tolerant recording of an information signal
06/13/2002WO2002047262A2 Filter devices and methods
06/13/2002WO2002047087A1 Reproduction system and reproduction method, and data transmission device and data transmission method
06/13/2002WO2002047085A1 Method for storing acoustic information and method for selecting information stored according to said method
06/13/2002WO2002047083A2 Servo data detection with improved phase shift tolerance
06/13/2002WO2002047082A2 Disk drive data protection using clusters containing error detection sectors
06/13/2002WO2002047081A2 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media
06/13/2002WO2002047080A2 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media
06/13/2002WO2002047079A2 System and method for protecting digital media
06/13/2002WO2002047078A2 System and method for protecting digital media
06/13/2002WO2002047073A1 Recording apparatus and recording method
06/13/2002WO2002027946A3 A method for reducing the sensitivity of a maximum likelihood detection trellis to channel variations
06/13/2002WO2002023911A3 Method and data recorder for recording data packet timestamps
06/13/2002WO2002019690A3 Digital video recording system which generates an index data structure for displaying a video stream in trickplay mode
06/13/2002WO2000063799A3 System, method and article of manufacture for authorizing the use of electronic content utilizing a laser-centric medium
06/13/2002US20020073379 WUS (unsafe) detection (kick back sensing)
06/13/2002US20020073378 Viterbi detector for partial response maximum likelihood signal processing
06/13/2002US20020073376 Data processing method using error-correcting code and an apparatus using the same method
06/13/2002US20020073317 System and method for protecting digital media
06/13/2002US20020073270 Headerless split sector format for optical disk drives
06/13/2002US20020073096 Method of determining and storing indexing data on a sequential data storage medium for supporting random access of data files stored on the medium
06/13/2002US20020073090 Method and apparatus for making independent data copies in a data processing system
06/13/2002US20020073038 Recording medium, recorder, reproducer, cryptocommunication system and program license system
06/13/2002US20020073037 Method and system for controlling copy generations of digital data
06/13/2002US20020072926 Information processing apparatus and method, and program storing medium
06/13/2002US20020072902 Adoptive storage of audio signals
06/13/2002US20020072818 MPEG portable sound reproducing system and a reproducing method thereof
06/13/2002US20020071661 Audio and video reproduction apparatus
06/13/2002US20020071660 Signal recording/reproducing method and apparatus, signal record medium and signal transmission/reception method and apparatus
06/13/2002US20020071659 Information storage medium and information recording/playback system
06/13/2002US20020071655 Information recording method and apparatus and information recording medium
06/13/2002US20020071652 Reproduction apparatus and reproduction method
06/13/2002US20020071648 Digital signal recording/reproducing apparatus, receiving apparatus and transmitting method
06/13/2002US20020071555 Method for recording and reproducing information, recording and reproducing apparatus, recording medium, and method for manufacturing the recording medium
06/13/2002US20020071553 Data storage device, data recording method, data playback method, and program providing medium
06/13/2002US20020071496 Methods and devices for sending and receiving information, and systems using them
06/13/2002US20020071381 Information recording medium
06/13/2002US20020071378 Optical disk having plurality of volumes, recording device and reproduction device for same
06/13/2002US20020071367 Apparatus and method for detecting a predetermined pattern of bits in a bitstream
06/13/2002US20020071363 Disk reproducing device, a disk reproducing method, a disk rotation control method, and a regenerative clock signal generating device
06/13/2002US20020071356 Optical reproducing method
06/13/2002US20020071355 Information recording apparatus
06/13/2002US20020071354 Information recording apparatus
06/13/2002US20020071353 Information recording medium and method and apparatus for recording and reproducing information using the same
06/13/2002US20020071351 Recording and reproducing system having resume function
06/13/2002US20020071350 Intelligent data storage device
06/13/2002US20020071194 PLL circuit, data detection circuit and disk apparatus
06/13/2002US20020071193 Disk apparatus
06/13/2002US20020070960 Multimedia appliance
06/13/2002US20020070765 Data slicer circuit
06/13/2002US20020070282 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
06/13/2002US20020069746 Recording/reproduction system of music data, and music data storage medium
06/13/2002DE19549401C2 Regeneration device for playback signals from magnetic recording medium
06/13/2002DE10059362A1 Adaptive Speicherung von Audiosignalen Adaptive storage of audio signals
06/12/2002EP1213927A2 Digital recording/reproducing apparatus with built-in storage medium
06/12/2002EP1213915A2 Video and audio recording
06/12/2002EP1213841A2 Erasure correction for ECC entities
06/12/2002EP1213722A2 Optical disc recording apparatus, computer-readable recording medium recording a file management program, and optical disc
06/12/2002EP1213721A2 Optical disc recording apparatus, computer-readable recording medium recording a file management program, and optical disc
06/12/2002EP1213720A1 Recording/reproduction system of music data, and music data storage medium
06/12/2002EP1213719A1 Device for reading and/or recording information on a disc-shaped information carrier
06/12/2002EP1213710A1 Optical disk medium and optical disk identification method and optical disk device
06/12/2002EP1075693A4 Method for servo track identification
06/12/2002EP0799472B1 Method for overlapping block read events in disk drive
06/12/2002CN1353419A Recording medium playback method and recording medium playback equipment
06/12/2002CN1353418A Circuit and method for dividing data
06/12/2002CN1353416A Optical disk apparatus and information read out method
06/11/2002US6405342 Disk drive employing a multiple-input sequence detector responsive to reliability metrics to improve a retry operation
06/11/2002US6405329 Method and apparatus for HDD time stamp benchmark and installation identification
06/11/2002US6405283 Method for handling buffer under-run during disc recording
06/11/2002US6405265 Device driver for accessing computer files
06/11/2002US6405203 Method and program product for preventing unauthorized users from using the content of an electronic storage medium
06/11/2002US6404981 Data recording apparatus and camera apparatus
06/11/2002US6404980 Optical disc, optical disc recording apparatus, and optical disc recording method for facilitating dubbing, storage medium for strong optical disc recording program for facilitating dubbing, optical disc reproducing apparatus, and optical disc reproducing method
06/11/2002US6404979 Optical disk and optical disk reproduction apparatus
06/11/2002US6404975 Video storage
06/11/2002US6404974 Method and apparatus for treating a video signal
06/11/2002US6404898 Method and system for encoding image and audio content
06/11/2002US6404831 Data detection with digital filter detector
06/11/2002US6404829 DC insensitive AGC circuit for optical PRML read channel
06/11/2002US6404717 Optical reproducing device and optical memory medium
06/11/2002US6404714 Method and apparatus for recording data on an optical disk
06/11/2002US6404676 Nonvolatile memory and nonvolatile memory reproducing apparatus
06/11/2002US6404581 Adaptation to unmeasured variables
06/11/2002US6404578 Circuit for reduction and optimization of write-to-read settling times in magnetic medium storage devices
06/11/2002US6404577 Trellis encoding and decoding of track identification indicia
06/11/2002US6404573 Full and half-rate signal space detection for channels with a time-varying MTR
06/11/2002US6404572 Circuit and method for generating a write precompensation signal
06/11/2002US6404571 Storage device for reliably maintaining data in a reproducible state for a long period of time
06/11/2002US6404570 Disk drive with adaptive channel optimization
06/11/2002US6404363 Circuit for recovering digital clock signal and method thereof
06/11/2002US6404355 Generation of a runlength limited digital information signal