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    • 93. 发明授权
    • Optical system for signal amplification using a multimode fiber
    • 使用多模光纤进行信号放大的光学系统
    • US08638493B2
    • 2014-01-28
    • US13234475
    • 2011-09-16
    • Roland Ryf
    • Roland Ryf
    • H01S3/09H01S3/30
    • H04B10/2581G02B6/2817H01S3/06754H01S3/094003H01S3/094011H01S3/1608H01S3/302H04B10/2916
    • An optical coupler for coupling optical-pump power into a multimode fiber configured to transport an optical space-division-multiplexed (SDM) signal, the coupling being performed in a manner that enables amplification of the SDM signal in the multimode fiber via a stimulated-emission process or a stimulated Raman-scattering process. The optical coupler can be a part of an optical transmitter configured for co-directional pumping, an optical receiver configured for contra-directional pumping, or a relay station disposed within an optical communication link and configured for either type of pumping. The optical coupler can advantageously be used, e.g., to offset the different degrees of attenuation to which the SDM-signal components corresponding to different guided modes of the multimode fiber are subjected to therein.
    • 一种光耦合器,用于将光泵浦功率耦合到被配置为传输光学空分复用(SDM)信号的多模光纤中,所述耦合以能够通过经刺激的多模光纤放大多模光纤中的SDM信号的方式执行, 发射过程或受激拉曼散射过程。 光耦合器可以是被配置为用于同向泵送的光发射器的一部分,被配置为用于反向泵浦的光接收器,或设置在光通信链路内并被配置用于任一类型的泵浦的中继站。 可以有利地使用光耦合器来例如抵消对应于多模光纤的不同导模的SDM信号分量的不同衰减程度。
    • 94. 发明授权
    • Personalization of mass-duplicated media
    • 大众传播媒体的个性化
    • US08611727B2
    • 2013-12-17
    • US12240273
    • 2008-09-29
    • Craig D. Cuttner
    • Craig D. Cuttner
    • H04N5/93
    • G11B20/00086G11B20/00876G11B20/00884G11B27/024G11B27/028G11B27/032G11B27/3036G11B2220/90H04N5/913H04N2005/91335
    • A process and facility supports recipient-specific customization of mass-duplicated tapes. Video from a master tape is passed through a VBI encoder whose output feeds two or more overlay units, each associated with a tape recorder. Recipient-specific watermarking instructions and address information for each tape are fed to the VBI encoder where they are encoded into the VBI of the video. Each overlay unit reads the VBI and decodes the address, and if relevant for that unit, applies the overlays to the video, which is recorded by its associated recording deck. Optionally, each tape and overlay unit includes a barcode that is scanned into a database where associations between tapes and the overlays are stored. Alternatively, high-density barcode labels that include the overlay instructions are printed and applied to tapes. The barcodes are scanned into the overlay units and applied following the receipt of a timecode or other trigger.
    • 流程和设施支持大量复制磁带的接收者特定的定制。 来自主磁带的视频通过VBI编码器,其输出馈送两个或更多个覆盖单元,每个覆盖单元与磁带录像机相关联。 每个磁带的特定于接收者的水印指令和地址信息被馈送到VBI编码器,在那里它们被编码到视频的VBI中。 每个覆盖单元读取VBI并对地址进行解码,如果与该单元相关,则将覆盖层应用于由相关联的记录层记录的视频。 可选地,每个磁带和覆盖单元包括扫描到数据库中的条形码,其中磁带和叠层之间的关联被存储。 或者,包括覆盖指令的高密度条形码标签被打印并应用于磁带。 将条形码扫描到覆盖单元中,并在接收到时间码或其他触发器之后应用。
    • 96. 发明授权
    • Digital phase conjugation for fiber-optic links
    • 光纤链路的数字相位共轭
    • US08594515B2
    • 2013-11-26
    • US13039580
    • 2011-03-03
    • Xiang LiuChandrasekhar SethumadhavanRobert W. Tkach
    • Xiang LiuChandrasekhar SethumadhavanRobert W. Tkach
    • H04B10/06
    • H04B10/2543H04J14/002H04L2027/0018
    • An optical phase conjugator that can be deployed within a long-haul fiber-optic link of an optical WDM system to improve the system's tolerance to intra- and inter-channel nonlinear effects. In one embodiment, the optical phase conjugator has a digital signal processor configured to perform, in the digital electrical domain, a phase-conjugation transformation for various components of a WDM signal so that certain signal distortions imposed on that signal in the front portion of the fiber-optic link are reduced in the back portion of the link. Advantageously, the optical phase conjugator is flexibly configurable to employ an input-to-output carrier-frequency-mapping configuration that is most beneficial under particular operating conditions. mapping configuration that is most beneficial under particular operating conditions.
    • 光相位共轭器可以部署在光学WDM系统的长距离光纤链路中,以提高系统对通道内和通道间非线性效应的容限。 在一个实施例中,光相位共轭器具有数字信号处理器,其被配置为在数字电域中执行WDM信号的各种分量的相位共轭变换,使得施加在该信号的某些信号失真 光纤链路在链路的后部减少。 有利地,光相位共轭器可灵活地配置为采用在特定操作条件下最有利的输入到输出载波频率映射配置。 在特定操作条件下最有利的映射配置。
    • 97. 发明授权
    • Real-time visible-talent tracking system
    • 实时可见人才追踪系统
    • US08587672B2
    • 2013-11-19
    • US13017510
    • 2011-01-31
    • Bruce Allen Wallace
    • Bruce Allen Wallace
    • H04N5/228
    • H04N9/8205H04N5/23212H04N5/772
    • In one embodiment, a movie set includes a motion-picture camera and a visible-talent tracking system having several elements. Based on the camera's characteristics, items in a portion of the movie set called the view frustum will appear in focus in the film. The camera and a camera-tracking system provide camera-location, orientation, and settings information to a culling processor. The culling processor delineates the location and dimensions of the view frustum based on the received camera information. Wireless tags are attached to talent on set. A tag-locating system tracks the real-time respective locations of the wireless tags and provides real-time spatial information regarding the tags to the culling processor, which determines which tags, if any, are considered to be within the view frustum, and provides information associated with the intra-frustum tags to a track recorder for recording along with the corresponding film frames. That information is variously used after editing.
    • 在一个实施例中,电影集包括运动图像摄像机和具有若干要素的可视人才跟踪系统。 根据相机的特点,电影集中称为视角截图的部分中的项目将在电影中将重点展现。 相机和相机跟踪系统将相机位置,方向和设置信息提供给拣选处理器。 剔除处理器根据接收到的相机信息来描绘视锥体的位置和尺寸。 无线标签附加在人才上。 标签定位系统跟踪无线标签的实时相应位置,并将关于标签的实时空间信息提供给剔除处理器,该处理器确定哪些标签(如果有的话)被认为在视野平截头体内,并提供 与平头锥体标签相关联的信息到跟踪记录器,用于与相应的胶片帧一起记录。 该信息在编辑后被不同地使用。
    • 98. 发明授权
    • Methods and systems for storing variable width stack elements in a single memory stack
    • 在单个存储器堆栈中存储可变宽度堆栈元素的方法和系统
    • US08555026B2
    • 2013-10-08
    • US12876169
    • 2010-09-06
    • Avinash Kant Raikwar
    • Avinash Kant Raikwar
    • G06F12/00G06F13/00G06F13/28
    • G06F7/78
    • A system and method for storing variable width stack elements in a single memory stack is disclosed. In one example embodiment a first variable width stack element is split into one or more sub-elements. The width of the sub-elements may be less than or equal to a width of the single memory stack. A first memory pointer is created for providing an address of a first read pointer in the single memory stack. The first read pointer may provide an address corresponding to a first sub-element of the first variable width stack element. The first sub-element is written in a first available location in the single memory stack. A write pointer of the single memory stack is incremented when the first sub-element is written to the first available location on the single memory stack. The steps of writing and incrementing are repeated for a next sub-element until all of the sub-elements are stored in the single memory stack.
    • 公开了一种用于在单个存储器堆栈中存储可变宽度堆栈元素的系统和方法。 在一个示例实施例中,第一可变宽度堆叠元件被分割成一个或多个子元件。 子元件的宽度可以小于或等于单个存储器堆叠的宽度。 创建第一存储器指针以在单个存储器堆栈中提供第一读取指针的地址。 第一读取指针可以提供对应于第一可变宽度堆栈元素的第一子元素的地址。 第一个子元素写入单个存储器堆栈中的第一个可用位置。 当第一个子元素写入单个存储器堆栈上的第一个可用位置时,单个存储器堆栈的写入指针会递增。 对下一个子元素重复写入和递增的步骤,直到所有子元素都存储在单个存储器堆栈中。