Patents
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
11/2011
11/16/2011CN101542611B Recording device, recording/reproducing method, and reproducing method
11/16/2011CN101510436B Multi-layered information recording medium, reproduction apparatus, recording apparatus, reproduction method, and recording method
11/16/2011CN101335017B Test method of a magnetic disk and magnetic disk tester
11/16/2011CN101256801B Information recording method, recording apparatus, reproduction apparatus
11/16/2011CN101128878B Information processing device, information recording medium, information processing method, and computer program
11/16/2011CN101114494B Error analysis method and optical disk replay device
11/16/2011CN101053030B Data processing method, information recording medium manufacturing management system, recording data generation apparatus and method, and computer program
11/15/2011USRE42922 Copy prevention method and apparatus for digital video system
11/15/2011USRE42921 Copy prevention method and apparatus for digital video system
11/15/2011US8060942 Film fingerprinting
11/15/2011US8060740 Authentication system and method for an interactive optical disc
11/15/2011US8060674 Systems and methods for data storage devices and controllers
11/15/2011US8059943 Information recording medium wherein stream convertible at high-speed is recorded, and recording apparatus and recording method therefor
11/15/2011US8059942 Recording medium, reproducing device, recording method, and reproducing method
11/15/2011US8059939 Recording medium, playback device, and integrated circuit
11/15/2011US8059937 Relating to the copy protection of optical discs
11/15/2011US8059935 Recording method and reproduction method suitable for recording/reproduction of AV data, and recording drive and reproduction drive, information recording system and information reproduction system, and information recording medium for such methods
11/15/2011US8059769 Ingress noise reduction in a digital receiver
11/15/2011US8059512 Information recording medium, recording method, data structure, information recording apparatus, program, and recording medium
11/15/2011US8059511 Device and method for reproducing information, and computer program
11/15/2011US8059508 Holographic information storage medium, and apparatus and method for inspecting defect thereof
11/15/2011US8057818 Methods of making expandable foam-like biomaterials
11/15/2011CA2339784C Video data recorder with personal channels
11/10/2011WO2011139476A2 Boundary detection in media streams
11/10/2011WO2011083979A3 An apparatus for processing an audio signal and method thereof
11/10/2011WO2011078605A3 Method for tagging condition information and multimedia apparatus using the same
11/10/2011US20110276990 Encoding device, encoding method, recording device, recording method, optical recording medium, decoding device and decoding method
11/10/2011US20110276663 Controlling a device based upon steganographically encoded data
11/10/2011US20110274408 Recording medium reproducing apparatus and method
11/10/2011US20110274272 Data transmission system
11/10/2011US20110274270 Content containing a steganographically encoded process identifier
11/10/2011US20110274181 Encoding device and method, decoding device and method, edition device and method, recording medium, and program
11/10/2011US20110274159 Encoding device and method, decoding device and method, edition device and method, recording medium, and program
11/10/2011US20110273976 Encoding apparatus and method, recording apparatus and method, and decoding apparatus and method
11/10/2011US20110273974 Method and apparatus for offset and gain correction
11/10/2011US20110273973 System and method for improved data storage
11/10/2011US20110273972 Coding apparatus, coding method, recording apparatus, recording method, decoding apparatus, and decoding method
11/10/2011US20110273971 Data storage system with power backup mechanism
11/09/2011EP2385527A2 Digital information recording-reproducing apparatus
11/09/2011EP2385439A1 Enciphering, deciphering apparatus and methods
11/09/2011EP1830267B1 Subsampling firmware update data by the CPU in an audioplayer while reproducing the audio signal.
11/09/2011EP1737225B1 Information recording medium wherein stream convertible at high-speed is recorded, and recording apparatus and recording method therefor
11/09/2011EP1732069B1 Information recording medium, information recording device and method, and computer program
11/09/2011EP1475788B1 Mastering device, disc manufacturing method, disc-shaped recording medium, disc reproduction device, and disc reproduction method
11/09/2011EP1474800B1 Information recording device and method, information reproducing device and method, recording medium, program, and disc recording medium
11/09/2011EP1362348B1 Enhanced data storage and retrieval devices and systems and methods for utilizing the same
11/09/2011CN1953365B Data processing system and device
11/09/2011CN1941136B Signal processing apparatus, signal processing method and storage system
11/09/2011CN1774761B Drive device and method for reading from or writing in the recording carrier
11/09/2011CN102239521A Methods and apparatus to extract data encoded in media content
11/09/2011CN102237115A Test method and corresponding test system
11/09/2011CN102237114A Video play device for body building
11/09/2011CN102237113A Method for caching CD (Compact Disc) data during reversely playing CD signals and player
11/09/2011CN102237112A System and method for protecting against piracy in optical storage
11/09/2011CN102237111A Method and device for encrypting optical disc data
11/09/2011CN101582982B Recording medium and method, reproduction apparatus and method, program and integrated circuit
11/09/2011CN101577833B Information recording apparatus and recording method wherein stream convertible at high-speed is recorded
11/09/2011CN101556816B Optical disc drive apparatus and control method thereof
11/09/2011CN101409098B Method for implementing real time CD-RW of digital HD video recorder
11/09/2011CN101083114B Recording apparatus and method for recording file stream on memory medium
11/09/2011CN101079272B Method for recording data on recording medium
11/08/2011US8056111 Audiovisual (AV) device and control method thereof
11/08/2011US8055910 Reprogrammable security for controlling piracy and enabling interactive content
11/08/2011US8055909 Method of and apparatus for reproducing information, and security module
11/08/2011US8055122 Information recording medium wherein stream convertible at high-speed is recorded, and recording apparatus and recording method therefor
11/08/2011US8055120 High speed dubbing apparatus
11/08/2011US8055119 Method for creating, updating, and recording seamless presentation information of moving picture data in a rewritable recording medium
11/08/2011US8055117 Recording medium having data structure for managing reproduction duration of still pictures recorded thereon and recording and reproducing methods and apparatuses
11/08/2011US8055012 Hiding and detecting messages in media signals
11/08/2011US8054968 Method and apparatus for providing prepaid music card for deciphering recorded broadcast audio signals
11/08/2011US8054718 Write-once optical disc, and method and apparatus for recording management information thereon
11/08/2011US8054576 Skew actuator to servo track zero reference
11/08/2011CA2571464C Recording medium, and method and apparatus for reformatting the same
11/08/2011CA2530475C Information recording medium, information recording device and method, information reproduction device and method, information recording/reproduction device and method, computer program for controlling recording or reproduction, and data structure containing control signal
11/03/2011WO2011112181A9 Method and system for providing tape-format compatibility between various types of tape heads
11/03/2011WO2011049393A3 Data storage medium having security function and output device thereof
11/03/2011US20110271188 Recording Medium and Playback Device
11/03/2011US20110268421 Recording/reproducing device
11/03/2011US20110267933 Coding for optical storage systems with multiple reader heads and multiple optical disks
11/03/2011US20110267932 Copy Protection System for Data Carriers
11/02/2011EP2383743A1 Playback apparatus, recording medium, program, and playback method
11/02/2011EP2383742A1 Inventory of an optical disks collection using smartphone and RFID
11/02/2011EP2383739A1 Optical disc recording system
11/02/2011EP2383738A2 Coding for optical storage systems with multiple reader heads and multiple optical disks
11/02/2011EP2383737A1 Recording/reproducing device and information recording medium
11/02/2011EP2383736A1 Limitating the number of copies by recording content with the indication copy-no-more as soon as the recording media is removable
11/02/2011EP2382631A2 Distributed spatial audio decoder
11/02/2011EP2382542A2 Improved error correction in a solid state disk
11/02/2011EP1791123B1 Information recording method and multiplexing device
11/02/2011EP1656663B1 Recording medium, method of configuring control information thereof, recording and reproducing method using the same, and apparatus thereof
11/02/2011CN101556814B Method for recording and storing data in optical storage medium
11/02/2011CN101178898B Frequency band extending apparatus, player apparatus, and playing method
11/02/2011CN101057246B Data reproducing method and data processing device
11/01/2011US8051347 Scan-enabled method and system for testing a system-on-chip
11/01/2011US8051294 Methods for audio watermarking and decoding
11/01/2011US8051290 Increasing integrity of watermarks using robust features
11/01/2011US8050542 Method and apparatus for reproducing multimedia contents, apparatus and method for creating multimedia contents, and medium for storing multimedia contents
11/01/2011US8050538 Recording medium having data structure for managing reproduction of still pictures recorded thereon and recording and reproducing methods and apparatuses
11/01/2011US8050536 Digital recording apparatus and copyright protection method thereof
11/01/2011US8050534 Recording medium, method and apparatus for providing management information
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