Patents
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
11/2002
11/27/2002CN1095156C Optical disk apparatus
11/26/2002US6487720 Apparatus for receiving digital broadcast signal and apparatus for recording and reproducing digital broadcast information included in the digital broadcast signal
11/26/2002US6487672 Digital timing recovery using baud rate sampling
11/26/2002US6487635 Management of orphan tracks
11/26/2002US6487633 Methods and systems for accessing disks using forward and reverse seeks
11/26/2002US6487632 Emulation technique for variable-length disk system to access data in a fixed-length disk system
11/26/2002US6487616 Controller for data recorder
11/26/2002US6487365 Data structure for representing a program containing components organized in a series of data blocks
11/26/2002US6487364 Optical disc, video data editing apparatus, computer-readable recording medium storing an editing program, reproduction apparatus for the optical disc, and computer-readable recording medium storing a reproduction program
11/26/2002US6487363 Video duplication control signal, video playback device, video recording device, information superimposing and extracting device and video recording medium
11/26/2002US6487293 Method and apparatus for reproducing ciphered data
11/26/2002US6487247 Method of protection of data transmission according to both data specific protection data and additional protection data
11/26/2002US6487156 Information recording apparatus for recording a recording signal and a dummy signal added to a leading and/or trailing side of the recording signal
11/26/2002US6487155 Optical disc authentication using alternate data modulation encoding schemes
11/26/2002US6487152 Method of recording information in phase-change recording medium and recording medium for use in the method
11/26/2002US6487151 Optical information recording and reproducing system with overwrite capability and recording medium for use therewith
11/26/2002US6487150 Clock signal generating system
11/26/2002US6487145 Method and system for audio data collection and management
11/26/2002US6487144 Disk recording medium including data pre-formatted-data-recorded header having first and second identical address numbers radially displaced from each other on opposite sides of groove or land track center line, and disk drive unit for use with the recording medium
11/26/2002US6487126 Storage device
11/26/2002US6487032 Computer system comprising a host connected to a disk drive employing state variable trap registers for providing stored servo and user data state variables to sampled-data channel
11/26/2002US6487031 Recording equalizer and magnetic recording/reproducing apparatus using the equalizer
11/26/2002US6487029 Hard drive with format calculator for generating sector numbers on track
11/26/2002US6486813 Oversampling circuit digital/analog converter
11/26/2002US6486804 Method of converting a stream of databits of a binary information signal into a stream of databits of a constrained binary channel signal, device for encoding, signal comprising a stream of databits of a constrained binary channel signal, record carrier, method for decoding, device for decoding
11/26/2002CA2111841C Data formats on optical video tape
11/21/2002WO2002093930A1 Method of inserting/detecting digital watermark and apparatus for using thereof
11/21/2002WO2002093825A1 Content reproduction apparatus, content distribution server, and content distribution system
11/21/2002WO2002093823A1 Content identifiers triggering corresponding responses
11/21/2002WO2002093754A1 Coding and decoding of partially a priori known information
11/21/2002WO2002093574A1 Information recording and reproducing apparatus
11/21/2002WO2002093573A1 Recorder
11/21/2002WO2002093572A1 Embedding auxiliary data in an information signal
11/21/2002WO2002059881A9 Method and system for authenticating an optical disc using purposefully provided data errors
11/21/2002WO2002043340A3 Method and apparatus to identify and characterize nonlinearities in optical communications channels
11/21/2002WO2001020786A9 Group chain reaction encoder with variable number of associated input data for each output group code
11/21/2002US20020174442 Content provider apparatus, content provider method, and recording medium
11/21/2002US20020174440 Video display apparatus, audio mixing apparatus, video-audio output apparatus and video-audio synchronizing method
11/21/2002US20020174402 Viterbi detector
11/21/2002US20020174400 Decoding method and recording-medium reproducing apparatus
11/21/2002US20020174396 Signal processing circuit with timing recovery pll
11/21/2002US20020174354 Receiving device for securely storing a content item, and playback device
11/21/2002US20020174245 Receiving apparatus and flow control method therefor and transmitting apparatus and flow control method therefor
11/21/2002US20020174239 Data reproducing apparatus, data reproduction method, recording medium storing data reproduction program, and video on demand system
11/21/2002US20020174112 Textual data storage system and method
11/21/2002US20020173969 Method for decompressing a compressed audio signal
11/21/2002US20020173866 Digital mp3 audio device
11/21/2002US20020173865 Digital audio signal processing
11/21/2002US20020172507 Method for preventing premature termination of video content
11/21/2002US20020172506 Method and system for generating sales of compact discs from a predetermined origin
11/21/2002US20020172504 Recording apparatus
11/21/2002US20020172503 Readable storage medium
11/21/2002US20020172501 Combination system and copy error preventing method thereof
11/21/2002US20020172499 Information record medium, apparatus for recording the same and apparatus for reproducing the same
11/21/2002US20020172497 Apparatus for recording and reproducing information with ring buffer
11/21/2002US20020172494 Reproducing system
11/21/2002US20020172493 Transmitting apparatus and control method therefor and receiving apparatus and control method therefor
11/21/2002US20020172361 Data recording method, data recording apparatus, and recording medium
11/21/2002US20020172301 Data slicers
11/21/2002US20020172139 Information recording medium
11/21/2002US20020172123 Data recording method and device, and data-recorded phase-change optical disc
11/21/2002US20020172122 Optical recording medium on which a wobble signal having header information is recorded, an apparatus and method of recording wobble signal, and an apparatus and method of reproducing the wobble signal
11/21/2002US20020172120 Error counting apparatus and method
11/21/2002US20020172118 Beat density detecting apparatus and information playback apparatus
11/21/2002US20020172117 Recording method, recorder, reproducing method, reproducer, and record medium
11/21/2002US20020172116 Distribution of content
11/21/2002US20020172115 Disk drive device
11/21/2002US20020172113 Optical storage medium, optical read/write apparatus, and optical read/write method
11/21/2002US20020172112 Asymmetry correcting circuit and information reproducing apparatus using the same
11/21/2002US20020172107 Information playback apparatus
11/21/2002US20020172106 Apparatus for and method of controlling writing of data when error occurs in an optical drive
11/21/2002US20020172103 Information access device, information access method, and information storage medium access system
11/21/2002US20020172096 Circuit and method for protecting the run length in RLL code
11/21/2002US20020172082 Method and apparatus for changing region code of digital versatile disc drive
11/21/2002US20020171980 Disk drive device
11/21/2002US20020171979 Low capacity disk cartridge
11/21/2002US20020171965 Recording/reproducing device
11/21/2002US20020171961 Nonlinear equalizer and decoding circuit and method using same
11/21/2002US20020171960 Magnetic recording and reproducing apparatus and semiconductor integrated circuit for use in the same
11/21/2002US20020171574 Oversampling circuit and digital/analog converter
11/21/2002US20020171567 Portable CD-ROM/ISO to HDD/MP3 recorder with simultaneous CD-read/MP3- encode/HDD-write, or HDD-read/MP3-decode, to play, power saving buffer, and enhanced sound output
11/21/2002US20020170966 Identification document including embedded data
11/20/2002EP1259082A2 Video display apparatus, audio mixing apparatus, video-audio output apparatus and video-audio synchronizing method
11/20/2002EP1259072A1 Magnetic medium recording/reproducing apparatus
11/20/2002EP1259012A2 Receiving apparatus and flow control method therefor and transmitting apparatus and flow control method therefor
11/20/2002EP1258997A1 Lossless encoding and decoding system
11/20/2002EP1258996A1 Lossless encoding and decoding system
11/20/2002EP1258995A1 Lossless encoding and decoding system
11/20/2002EP1258994A1 Lossless encoding and decoding system
11/20/2002EP1258993A1 Lossless encoding and decoding system
11/20/2002EP1258886A2 Information recording medium, apparatus for recording the same and apparatus for reproducing the same
11/20/2002EP1258884A1 Recording medium for storing linking type information and method of processing defective area using the same
11/20/2002EP1258883A1 Recording medium for storing linking type information and method of processing defective area using the same
11/20/2002EP1258882A2 Recording medium and method for managing data
11/20/2002EP1258881A2 Recording medium and method for managing data
11/20/2002EP1258880A2 Reproducing system
11/20/2002EP1258879A2 Beat density detecting apparatus and information playback apparatus
11/20/2002EP1258868A2 Optical storage medium, optical read/write apparatus, and optical read/write method
11/20/2002EP1258801A1 Device authentication apparatus and method, and recorded medium on which device authentication program is recorded
11/20/2002EP1258705A1 Signal processing method, signal processing device, signal processing system, and machine-readable recorded medium on which information on control of signal processing device is recorded