Patents
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
01/2012
01/10/2012US8094402 Systems and methods for correcting magnetic tape dimensional instability
01/10/2012CA2560762C Write-once-type recording medium, recording apparatus and method for the same, reproducing apparatus and method for the same, and computer program
01/10/2012CA2554770C Improvements in or relating to the defeat of the copy protection of optical discs
01/10/2012CA2467535C Information recording apparatus and method, information reproducing apparatus and method, information recording program, information reproducing program, recording medium, and information recording medium
01/05/2012WO2012002768A2 Method and device for processing audio signal
01/05/2012WO2012002395A1 Information reproduction device, content recording medium, content provider system, method of providing content and control program
01/05/2012WO2012002009A1 Recording apparatus, writing apparatus, reading apparatus, and method of controlling recording apparatus
01/05/2012WO2012001877A1 Content transmission/reception system
01/05/2012WO2012001855A1 Reproducing device, recording medium, reproducing method, and program
01/05/2012WO2012001747A1 Device for storing data by utilizing pseudorandom number sequence
01/05/2012US20120005447 Apparatus for reallocating logical to physical disk devices using a storage controller and method of the same
01/05/2012US20120004921 Method for retrieving audio signal stored on photograph
01/05/2012US20120002950 Method and Apparatus for Providing a Copy-Protected Video Signal
01/05/2012US20120002943 Recording medium, reproducing device, recording method, and reproducing method
01/05/2012US20120002942 Apparatus and method for decoding data for providing browsable slide show, and data storage medium therefor
01/05/2012US20120002528 Variable delay circuit, recording apparatus, and delay amount calibration method
01/05/2012US20120002527 Adjusting Method For Recording Condition And Optical Disc Device
01/05/2012US20120002521 Information reproduction device and information reproduction method
01/05/2012US20120002520 Playback device, recording medium, playback method and program
01/04/2012EP2403265A2 Encoding device and method, decoding device and method, editing device and method, recoding medium, and program
01/04/2012EP2403264A2 Encoding device and method, decoding device and method, editing device and method, recoding medium, and program
01/04/2012EP2403263A2 Encoding device and method, decoding device and method, editing device and method, recoding medium, and program
01/04/2012EP2403262A2 Encoding device and method, decoding device and method, editing device and method, recoding medium, and program
01/04/2012EP2403259A1 Recording medium, reproduction device, and integrated circuit
01/04/2012EP2402950A2 Disc-shaped recording medium, cutting apparatus for same, and disc drive
01/04/2012EP2402949A2 Disc-shaped recording medium, cutting apparatus for same, and disc drive
01/04/2012EP2402948A1 Read-only recording medium, reproduction apparatus and reproduction method
01/04/2012EP2402946A2 Information storage medium, record reproduction apparatus, and record reproduction method
01/04/2012EP2402945A1 Bca recording device for optical disc, optical disc reproducing device, and recordable optical disc
01/04/2012EP2402944A1 Information recording and reproducing device, control program thereof, computer-readable recording medium, method for controlling information recording and reproducing device, and information recording medium
01/04/2012EP2401867A1 Content distribution with renewable content protection
01/04/2012EP2401742A1 Copy protection using complexity and uncomputability field
01/04/2012EP1807835B1 Optical media with control data in wobble
01/04/2012EP1686580B1 Reproduction device and method, recording medium, and program
01/04/2012CN202102715U Multi-carrier real-time play controlling system for audio media
01/04/2012CN1913612B Data reproduction device and method thereof
01/04/2012CN1890743B Device and method for managing multimedia content in portable digital apparatus
01/04/2012CN102308589A Playback device, playback method and program
01/04/2012CN102308336A Data recording device, data reading device, tape drive, method of recording data, and method of reading data
01/04/2012CN102306499A Method for realization of audio recording
01/04/2012CN101685644B Optical disc drive and optical storage medium
01/04/2012CN101558646B Video/audio output device, audio output device, video/audio reproducing device, video/audio data reproducing system, and video/audio data reproducing method
01/04/2012CN101547009B Method of converting a series of m-bit information words to a modulated signal, coding device, recording device
01/04/2012CN101547006B Phase synchronization circuit
01/04/2012CN101183548B Method for producing a security mark on an optical data carrier
01/03/2012USRE43056 Super resolution information reproduction by tracking address information in normal resolution
01/03/2012US8091009 Symbol by symbol map detection for signals corrupted by colored and/or signal dependent noise
01/03/2012US8090998 Method and apparatus for managing disc defects using updateable DMA, and disc thereof
01/03/2012US8090765 System and method for reproducing information stored on a data recording medium in an interactive networked environment
01/03/2012US8090764 Communication system, communication apparatus, communication method, storage medium, and package medium
01/03/2012US8090619 Method and system for music distribution
01/03/2012US8090243 Information storage medium storing multi angle data, and recording method and reproducing apparatus thereof
01/03/2012US8090238 Reproducing apparatus
01/03/2012US8090237 Recording medium containing moving picture data and additional information thereof and reproducing method and apparatus of the recording medium
01/03/2012US8090103 Method of managing copy protection information of a recording medium, recording medium with copy protection information for contents recorded thereon, and reproducing method for the recording medium
01/03/2012US8089832 Method and apparatus for immediately writing or reading files on a disc-like recording medium having control information on defect management
01/03/2012CA2496137C Improvements in or relating to the copy protection of optical discs
01/03/2012CA2478662C Write-once type optical disc, and method and apparatus for managing defective areas on write-once type optical disc using tdma information
01/03/2012CA2424331C Approach for tracking data
01/03/2012CA2344387C Method of scanning a recording disc for defects, and recording device for recording information on a disc-shaped recording medium
12/2011
12/29/2011WO2011161997A1 Tape storage device and writing method for same
12/29/2011WO2011115734A3 Button shaped portable media player with indicia
12/29/2011WO2011103498A3 System and method for automatically remixing digital music
12/29/2011US20110321155 Digital signal processing apparatus
12/29/2011US20110320946 Pay-per-play audiovisual system with touch screen interface
12/29/2011US20110317531 Optical Disk Drive Including Non-Volatile Memory and Method of Operating the Same
12/29/2011US20110317530 Playback device, playback method and program
12/29/2011US20110317301 Nonlinearity measurement apparatus, nonlinearity measurement method, and magnetic recording and reproduction apparatus
12/28/2011EP2400774A1 Recording medium, reproduction device, and integrated circuit
12/28/2011EP2400772A1 Playback device, playback method, and program
12/28/2011EP2400771A1 Recording medium, reproduction device, and integrated circuit
12/28/2011EP2400495A1 Embedding firmware updates in audio data using elementary watermark techniques in an audio player
12/28/2011EP2400494A1 File system management method and recording medium
12/28/2011EP2400493A1 Information processing device, information processing method, and program
12/28/2011EP2400492A1 Information processing device, information processing method, and program
12/28/2011EP2400491A1 Information processing device, information processing method, and program
12/28/2011EP2400489A1 Optical information Recording Device and Method
12/28/2011EP2399256A2 Recognizing a disc
12/28/2011EP1718073B1 Recording medium, reproduction device, program, and reproduction method
12/28/2011EP1652183B1 Recording medium having a data structure for managing reproduction of text subtitle data recorded thereon and recording and reproducing methods and apparatuses
12/28/2011EP1609136B1 Multilayer optical disc having disc information
12/28/2011EP1597727B1 Information carrier comprising access information
12/28/2011CN202093832U 一种便携式高清播放器 A portable HD player
12/28/2011CN202093821U 多功能播放控制器 Multifunction playback controls
12/28/2011CN202093820U 多媒体自动播放系统 Autoplay multimedia system
12/28/2011CN202093819U 便携式高清播放器 Portable HD player
12/28/2011CN1963926B 盘记录介质及其制造方法 Disk recording medium and manufacturing method thereof
12/28/2011CN1941083B 磁数据读取电路及卡处理装置 Magnetic data reading circuit and the card processing device
12/28/2011CN1934638B 用于再现文本字幕流的记录介质、方法和装置 Recording medium for reproducing text subtitle streams, the method and apparatus
12/28/2011CN1836278B 记录介质、将标识信息记录于其上的方法、及其记录/再现方法 Recording medium, the identification information recorded thereon a method, and a recording / reproducing method
12/28/2011CN1833400B 著作权保护系统 Copyright protection system
12/28/2011CN1759559B 数字作品的保护系统、记录设备、再现设备及记录介质 Protection system of digital works, recording equipment, reproducing apparatus and recording medium
12/28/2011CN1739260B 内容保护系统、密钥数据产生装置和终端装置 Content protection system, the key data generation apparatus and the terminal apparatus
12/28/2011CN102301727A 信息处理设备、信息处理方法和程序 Information processing apparatus, information processing method and program
12/28/2011CN102301726A 信息处理设备、信息处理方法和程序 Information processing apparatus, information processing method and program
12/28/2011CN102301725A 信息处理设备、信息处理方法和程序 Information processing apparatus, information processing method and program
12/28/2011CN102301724A 信息处理设备、信息处理方法和程序 Information processing apparatus, information processing method and program
12/28/2011CN102298958A 组合式加密随身碟及数字数据加密及存取的方法 Combined encrypted flash drives and digital data encryption and access methods
12/28/2011CN102298952A 用于数据存储的能量和空间有效率检测 Energy and space efficiency for data storage detection
12/28/2011CN102298951A 控制装置及具有控制装置的电子设备 Control device and electronic apparatus having a control means
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