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    • 6. 发明申请
    • Optical line terminal for managing link status of optical network units and gigabit ethernet passive optical network employing same
    • 用于管理光网络单元的链路状态的光线路终端和采用其的千兆以太网无源光网络
    • US20050158048A1
    • 2005-07-21
    • US10869439
    • 2004-06-16
    • Whan-Jin SungShin-Hee WonTae-Sung ParkDo-Young JoungSe-Kang ParkJun-Sung AnSoon-Ho JangDong-Il Seo
    • Whan-Jin SungShin-Hee WonTae-Sung ParkDo-Young JoungSe-Kang ParkJun-Sung AnSoon-Ho JangDong-Il Seo
    • H04B10/08H04J3/16H04J14/00
    • H04J3/1694
    • A system and method for managing link status in Gigabit Ethernet passive optical network (GE-PON) units (ONUs) is disclosed. The GE-PON comprises one or more ONUs allocated data transmission periods, respectively. Each of the ONUs sends a report signal and a data signal in a corresponding one of the allocated data transmission periods. The report signal contains a signal to request allocation of a bandwidth for data signal transmission in a next window period. The GE-PON further comprises an optical splitter having its one side connected with the ONUs and its other side connected with at least one optical communication channel. The optical splitter switches an input signal to a desired destination. The GE-PON further comprises an optical line terminal (OLT) for determining whether the report signal is received, identifying a specific one of the ONUs having sent the report signal when the report signal is received, determining whether the data signal is received from the specific ONU in a specific one of the data transmission periods allocated to the specific ONU, and discriminating and managing a link status of the specific ONU in accordance with the determination made.
    • 公开了一种用于管理千兆以太网无源光网络(GE-PON)单元(ONU)中的链路状态的系统和方法。 GE-PON分别包括一个或多个ONU分配的数据传输周期。 每个ONU在分配的数据传输周期中的相应一个中发送报告信号和数据信号。 报告信号包含在下一个窗口期间请求分配用于数据信号传输的带宽的信号。 GE-PON还包括光分路器,其一侧与ONU相连,其另一侧与至少一个光通信信道相连。 光分路器将输入信号切换到所需的目的地。 GE-PON还包括用于确定是否接收到报告信号的光线路终端(OLT),识别当接收到报告信号时已经发送了报告信号的ONU中的特定一个ONU,确定是否从 分配给特定ONU的特定的一个数据传输周期中的特定ONU,以及根据所做出的确定来鉴别和管理该特定ONU的链路状态。
    • 7. 发明授权
    • Method for recording three-dimensional video data and medium recording the same
    • 用于记录三维视频数据和介质记录的方法
    • US08786593B2
    • 2014-07-22
    • US12135274
    • 2008-06-09
    • Do-Young JoungTae-Sung ParkYun-Je OhDoug-Young SuhGwang-Hoon ParkKyu-Heon KimYoon-Jin Lee
    • Do-Young JoungTae-Sung ParkYun-Je OhDoug-Young SuhGwang-Hoon ParkKyu-Heon KimYoon-Jin Lee
    • G06T15/00
    • G11B27/10H04N13/178H04N13/189H04N19/597H04N21/23412H04N21/4334H04N21/44012H04N21/4402H04N21/8146H04N21/84H04N21/85406
    • Disclosed is a method of storing scene comprising a three-dimensional image, which has been generated by converting an image input an apparatus supporting photographing of the three-dimensional image, into a recording medium. The method includes: loading, in a predetermined file type field, image type information indicating one of a single stereoscopic image and a synthetic image including a monoscopic image and a stereoscopic image; loading, in a configurative information container field, scene descriptor information indicating temporal and spatial relations between a plurality of media objects included in the three-dimensional image, object configurative information indicating object attributes of each media object of said plurality of media objects and a configurative relation between encoded streams of each of the media objects of said plurality, configurative information of the encoded streams, first metadata between the plurality of media objects, and second metadata between each media object of the plurality and the encoded stream thereof, and loading, in a media data container field, a bit stream of each media object included in the three-dimensional image, a bit stream for the first metadata, and a bit stream for the second metadata.
    • 公开了一种存储场景的方法,该场景包括通过将支持三维图像拍摄的设备的图像输入转换成记录介质而产生的三维图像。 该方法包括:在预定文件类型字段中加载指示单个立体图像和包括单视场图像和立体图像的合成图像之一的图像类型信息; 在配置信息容器字段中加载指示包括在三维图像中的多个媒体对象之间的时间和空间关系的场景描述符信息,指示所述多个媒体对象中的每个媒体对象的对象属性的对象配置信息和配置信息 所述多个媒体对象的编码流之间的关系,编码流的配置信息,多个媒体对象之间的第一元数据以及多个媒体对象之间的第二元数据及其编码流之间的关系,以及 媒体数据容器字段,包括在三维图像中的每个媒体对象的比特流,用于第一元数据的比特流和用于第二元数据的比特流。