| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) | 
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| 11/24/2009 | US7623760 Information storage medium and information recording/playback system | 
| 11/24/2009 | US7623758 Method and apparatus of recording a multi-channel stream, and a recording medium containing a multi-channel stream recorded by said method | 
| 11/24/2009 | US7623586 Frequency and phase control apparatus and maximum likelihood decoder | 
| 11/24/2009 | US7623438 Optical disk | 
| 11/24/2009 | US7623431 Optical disk drive | 
| 11/24/2009 | US7623430 High-density multi-layer optical disc and method for managing layer formatting thereof | 
| 11/24/2009 | US7623428 Multi-layer optical disc and method for managing layer formatting thereof | 
| 11/24/2009 | US7623425 Method of recording and/or reproducing pointing information | 
| 11/24/2009 | US7623423 Apparatus and method for recording data in different formats on a multilayer optical disk, and storage medium having a program stored thereon to enable a computer to perform such method | 
| 11/24/2009 | US7623422 Disklike recording media, a method for detecting forged disks, and anti-forgery system for performing a true-false judgement based on information collected from the recording media, and a manufacturing apparatus for recording information in the disks | 
| 11/24/2009 | US7623309 Apparatus and method for use in transferring information relative to a storage medium | 
| 11/24/2009 | US7623048 DC-free codes | 
| 11/19/2009 | WO2009140024A2 Gesture-related feedback in eletronic entertainment system | 
| 11/19/2009 | WO2009140010A1 Activation system and method for activating an optical article | 
| 11/19/2009 | WO2009140009A1 Activation system and method for activating an optical article | 
| 11/19/2009 | WO2009139289A1 Recording apparatus | 
| 11/19/2009 | WO2009139271A1 Additional content management device and management method | 
| 11/19/2009 | WO2009139096A1 Video reproducing apparatus and video reproducing method | 
| 11/19/2009 | WO2009138874A2 Copy-protected optical storage media and method for producing the same | 
| 11/19/2009 | US20090285562 Apparatus and method of reproducing audio/video data and additional data associated with the audio/video data | 
| 11/19/2009 | US20090285550 Electronic Apparatus, Content Reproduction Method, Record Medium, and Server Apparatus | 
| 11/19/2009 | US20090285548 Universal multimedia optic disc player and its application for revocable copy protection | 
| 11/19/2009 | US20090285071 Recording method, recording medium, and recording system | 
| 11/19/2009 | US20090285067 Back-up method for defective data | 
| 11/19/2009 | US20090285065 Information recording medium, information recording device and method, and computer program | 
| 11/19/2009 | US20090285064 Write once optical disc, and method and apparatus for recovering disc management information from the write once optical disc | 
| 11/19/2009 | US20090285063 Defect area management | 
| 11/19/2009 | US20090285058 Mastering device, disc manufacturing method, disc-shaped recording medium, disc reproduction device, and disc reproduction method | 
| 11/19/2009 | US20090284859 Data storage device having different control information in different areas and method of providing and employing the same | 
| 11/19/2009 | CA2720723A1 Gesture-related feedback in eletronic entertainment system | 
| 11/18/2009 | EP2120384A1 Audio processor | 
| 11/18/2009 | EP2120238A1 Reproducing apparatus, reproducing method, program, and recording medium | 
| 11/18/2009 | EP2120237A2 Audio Processor | 
| 11/18/2009 | EP2120236A2 Optical media with control data in wobble | 
| 11/18/2009 | EP2120235A2 Optical media with control data in wobble | 
| 11/18/2009 | EP2119229A1 Packaged media encryption using stored key table | 
| 11/18/2009 | EP2118897A1 Multilayer optical information medium and optical information processing apparatus therefor, program product and information medium including the same | 
| 11/18/2009 | EP1741056B1 Film fingerprinting | 
| 11/18/2009 | EP1741055B1 Film fingerprinting | 
| 11/18/2009 | EP1644922B1 Write-once optical disc, and method and apparatus for recording management information thereon | 
| 11/18/2009 | CN101584209A Recording apparatus, recording method, program and storage medium | 
| 11/18/2009 | CN101583928A Reproducing apparatus | 
| 11/18/2009 | CN101583007A Information recording medium for recording convertible stream at high-speed, recording apparatus and recording method | 
| 11/18/2009 | CN101582983A Recording medium and method, reproduction apparatus and method, program and integrated circuit | 
| 11/18/2009 | CN101582982A Recording medium and method, reproduction apparatus and method, program and integrated circuit | 
| 11/18/2009 | CN101582285A High-effective record playing method | 
| 11/18/2009 | CN101582283A Device and method for reproducing digital signals and device and method for recording digital signals | 
| 11/18/2009 | CN101582282A Optical disc recording device, data recording method and data recording program | 
| 11/18/2009 | CN101582281A Visual on-vehicle apparatus based on embedded microprocessor | 
| 11/18/2009 | CN101582280A Recording/reproducing apparatus and information processing method | 
| 11/18/2009 | CN101582279A Audio process | 
| 11/18/2009 | CN101582278A Audio processor | 
| 11/18/2009 | CN101582277A Electronic apparatus, content reproduction method, record medium, and server apparatus | 
| 11/18/2009 | CN101582276A High-definition player | 
| 11/18/2009 | CN101582275A Information processing apparatus, information recording medium, information processing method, and information processing program | 
| 11/18/2009 | CN101582274A Content reproduction apparatus, status bar display method, and status bar display program | 
| 11/18/2009 | CN100562120C Methods and apparatuses for recording and reproducing data structure and recording medium | 
| 11/18/2009 | CN100562088C File reproduction method | 
| 11/18/2009 | CN100561585C Device for recording and playing optical disk | 
| 11/18/2009 | CN100561584C Reproduction device, system integration circuit, and reproduction method | 
| 11/18/2009 | CN100561583C Recording medium, recording method, and recording apparatus | 
| 11/18/2009 | CN100561582C Audio frequency decoder and audio frequency decoding method | 
| 11/18/2009 | CN100561581C Audio play device and audio play control method | 
| 11/18/2009 | CN100561493C Monitoring device and method for digital multimedia content playing | 
| 11/18/2009 | CN100561396C Method for amending digital rights object and electronic apparatus used therefor | 
| 11/17/2009 | USRE40982 Digital broadcast receiving/recording apparatus and method | 
| 11/17/2009 | USRE40981 Adaptive variable-length coding and decoding methods for image data | 
| 11/17/2009 | USRE40980 Adaptive variable-length coding and decoding methods for image data | 
| 11/17/2009 | USRE40977 Optical storage medium having multiple recording layers of different formats | 
| 11/17/2009 | US7620993 Copyright protection system, key generation apparatus, recording apparatus, reproduction apparatus, read-out apparatus, decryption apparatus, recording medium, recording method and program | 
| 11/17/2009 | US7620874 Recording method for recording data on a recording medium | 
| 11/17/2009 | US7620857 Controllable delay device | 
| 11/17/2009 | US7620820 Content data processing method, recording device, and reproduction device | 
| 11/17/2009 | US7620813 Method to authenticate a data processing apparatus having a recording device and apparatuses therefor | 
| 11/17/2009 | US7620782 Recording medium having data structure for managing at least a data area of the recording medium and recording and reproducing methods and apparatuses | 
| 11/17/2009 | US7620740 Storage devices and method of transferring file between the devices | 
| 11/17/2009 | US7620543 Method, medium, and apparatus for converting audio data | 
| 11/17/2009 | US7620362 Controlling access to wirelessly broadcast electronic works during playback | 
| 11/17/2009 | US7620300 Method for creating and managing navigation information in a rewritable recording medium | 
| 11/17/2009 | US7620299 Data recording device for recording data in basic recording units | 
| 11/17/2009 | US7620298 Disc reproducing apparatus | 
| 11/17/2009 | US7620296 Information storage medium and information recording/playback system | 
| 11/17/2009 | US7620253 Steganographic systems and methods | 
| 11/17/2009 | US7620060 Method for automatically configuring terminal equipment | 
| 11/17/2009 | US7619996 Determining presence for interaction routing | 
| 11/17/2009 | US7619961 Read-only recording medium and reproducing method thereof | 
| 11/17/2009 | US7619956 stability of a write control signal | 
| 11/17/2009 | US7619950 Recording medium and apparatus method for forming, recording and reproducing the recording medium | 
| 11/17/2009 | US7619841 Disk drive subtracting low frequency disturbance from a servo burst signal | 
| 11/17/2009 | US7619755 Apparatus, method, system, and computer program for managing image processing | 
| 11/12/2009 | WO2009136507A1 Link information generating device, image recording device, image reproducing device, recording medium, link information generating method, image recording method, image reproducing method, program, and integrated circuit | 
| 11/12/2009 | WO2009136481A1 Content reproduction device | 
| 11/12/2009 | WO2009093866A3 A method and an apparatus for processing an audio signal | 
| 11/12/2009 | US20090282190 Data structure for control information on rewriteable data storage media | 
| 11/12/2009 | US20090281643 Audio processing device, audio processing method, and program | 
| 11/12/2009 | US20090279875 Information processing apparatus, information recording medium, information processing method, and program | 
| 11/12/2009 | US20090279874 Recording device and driving state controlling method | 
| 11/12/2009 | US20090279870 Method and device for condensed image recording and reproduction | 
| 11/12/2009 | US20090279867 Reproducing apparatus, reproducing method, reproducing program, recording medium, and data structure | 
| 11/12/2009 | US20090279847 Program accumulation apparatus, program accumulation reservation method, and program |