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    Synchronizing method in optical access network, optical switching device, center device, and remote device
    1.
    发明授权
    Synchronizing method in optical access network, optical switching device, center device, and remote device 有权
    光接入网，光交换设备，中心设备和远程设备的同步方法

    公开(公告)号：US07616899B2

    公开(公告)日：2009-11-10

    申请号：US11366842

    申请日：2006-03-03

    申请人： Takumi Nomura ,  Hiromi Ueda ,  Kunitetsu Makino ,  Hiroyuki Kasai ,  Toshinori Tsuboi ,  Hiroaki Kurokawa ,  Hirokazu Kobayashi ,  Hiroyuki Endo

    发明人： Takumi Nomura ,  Hiromi Ueda ,  Kunitetsu Makino ,  Hiroyuki Kasai ,  Toshinori Tsuboi ,  Hiroaki Kurokawa ,  Hirokazu Kobayashi ,  Hiroyuki Endo

    IPC分类号： H04B10/00 ,  H04J14/00

    CPC分类号： H04Q11/0067 ,  H04J3/0682 ,  H04L7/0075 ,  H04Q2011/0045 ,  H04Q2011/0064

    摘要： To provide synchronizing methods, optical switch modules, center devices, remote devices, optical access systems, optical access networks, programs, and recording media in the optical access network which can give the connection start time of the upstream optical switching element of the optical switch module. To the optical switch module, ranging functions are provided and the center device OLU carries out ranging of the optical switch module OSM as is the case of ranging of the remote device ONU. The center device OLU transmits the difference between roundtrip time of the remote device ONU and roundtrip time of optical switch module OSM, which is the result of these rangings, to the optical switch module OSM, and the optical switch module OSM can obtain the contact start time of the upstream optical switching element by calculating the contact start time using the difference.

    摘要翻译： 为了提供光接入网络中的同步方法，光交换模块，中心设备，远程设备，光接入系统，光接入网，程序和记录介质，其可以给出光开关的上游光交换单元的连接开始时间 模块。 向光交换机模块提供测距功能，中心设备OLU与远程设备ONU的测距情况一样，执行光交换模块OSM的测距。 中心设备OLU将远程设备ONU的往返时间和这些监控结果的光交换机模块OSM的往返时间之间的差异发送到光开关模块OSM，光开关模块OSM可以获得接触开始 通过使用该差值计算接触开始时间来确定上游光开关元件的时间。

    Optical switching device, optical access network, optical switching method, program, and recording medium
    3.
    发明授权
    Optical switching device, optical access network, optical switching method, program, and recording medium 有权
    光交换设备，光接入网，光交换方式，程序和记录介质

    公开(公告)号：US08045857B2

    公开(公告)日：2011-10-25

    申请号：US11640951

    申请日：2006-12-19

    申请人： Takumi Nomura ,  Hiromi Ueda ,  Kunitetsu Makino ,  Hiroaki Kurokawa ,  Toshinori Tsuboi ,  Hiroyuki Kasai ,  Hirokazu Kobayashi

    发明人： Takumi Nomura ,  Hiromi Ueda ,  Kunitetsu Makino ,  Hiroaki Kurokawa ,  Toshinori Tsuboi ,  Hiroyuki Kasai ,  Hirokazu Kobayashi

    IPC分类号： H04B10/02

    CPC分类号： H04Q11/0067 ,  H04Q11/0066 ,  H04Q11/0071

    摘要： In an optical access network using an optical switching device, a 2×1 optical splitter in the uplink and downlink directions is eliminated to extend the transmission distance between the OLT and the ONU. An optical switching device includes a downlink optical switch element for switching a downlink optical signal sent by an OLT, an uplink optical switch element for switching an uplink optical signal sent by a plurality of ONU, an O/E for converting a downlink optical signal to a first electrical signal, an E/O for converting the first electrical signal to a downlink optical signal and inputting the downlink optical signal to the downlink optical element, an O/E for converting an uplink optical signal output from the uplink optical switch element to a second electrical signal, and an E/O for converting the second electrical signal to an uplink optical signal and sending the uplink optical signal to the OLT.

    摘要翻译： 在使用光交换设备的光接入网中，消除了上行和下行方向上的2×1光分路器，以延长OLT与ONU之间的传输距离。 一种光交换装置，包括用于切换由OLT发送的下行光信号的下行光开关元件，用于切换由多个ONU发送的上行光信号的上行光开关元件，将下行光信号转换为 第一电信号，用于将第一电信号转换为下行光信号并将下行光信号输入到下行光学元件的E / O，用于将从上行光开关元件输出的上行光信号转换为 第二电信号和用于将第二电信号转换为上行光信号并将上行光信号发送到OLT的E / O。

    Optical switching device, optical access network, optical switching method, program, and recording medium
    4.
    发明申请
    Optical switching device, optical access network, optical switching method, program, and recording medium 有权
    光交换设备，光接入网，光交换方式，程序和记录介质

    公开(公告)号：US20070172236A1

    公开(公告)日：2007-07-26

    申请号：US11640951

    申请日：2006-12-19

    申请人： Takumi Nomura ,  Hiromi Ueda ,  Kunitetsu Makino ,  Hiroaki Kurokawa ,  Toshinori Tsuboi ,  Hiroyuki Kasai ,  Hirokazu Kobayashi

    发明人： Takumi Nomura ,  Hiromi Ueda ,  Kunitetsu Makino ,  Hiroaki Kurokawa ,  Toshinori Tsuboi ,  Hiroyuki Kasai ,  Hirokazu Kobayashi

    IPC分类号： H04L12/56 ,  H04J14/00

    CPC分类号： H04Q11/0067 ,  H04Q11/0066 ,  H04Q11/0071

    摘要： In an optical access network using an optical switching device, a 2×1 optical splitter in the uplink and downlink directions is eliminated to extend the transmission distance between the OLT and the ONU. An optical switching device includes a downlink optical switch element for switching a downlink optical signal sent by an OLT, an uplink optical switch element for switching an uplink optical signal sent by a plurality of ONU, an O/E for converting a downlink optical signal to a first electrical signal, an E/O for converting the first electrical signal to a downlink optical signal and inputting the downlink optical signal to the downlink optical element, an O/E for converting an uplink optical signal output from the uplink optical switch element to a second electrical signal, and an E/O for converting the second electrical signal to an uplink optical signal and sending the uplink optical signal to the OLT.

    摘要翻译： 在使用光交换装置的光接入网中，消除了上行方向和下行方向的2×1光分路器，以扩大OLT与ONU之间的传输距离。 一种光交换装置，包括用于切换由OLT发送的下行光信号的下行光开关元件，用于切换由多个ONU发送的上行光信号的上行光开关元件，将下行光信号转换为 第一电信号，用于将第一电信号转换为下行光信号并将下行光信号输入到下行光学元件的E / O，用于将从上行光开关元件输出的上行光信号转换为 第二电信号和用于将第二电信号转换为上行光信号并将上行光信号发送到OLT的E / O。

    Optical access network, remote unit, optical communication method, and optical communication program
    7.
    发明授权
    Optical access network, remote unit, optical communication method, and optical communication program 有权
    光接入网，远端单元，光通信方式和光通信程序

    公开(公告)号：US08331781B2

    公开(公告)日：2012-12-11

    申请号：US12518683

    申请日：2007-12-27

    申请人： Takumi Nomura ,  Hiromi Ueda ,  Takashi Kuriyama ,  Toshinori Tsuboi ,  Hiroyuki Kasai ,  Hirokazu Kobayashi

    发明人： Takumi Nomura ,  Hiromi Ueda ,  Takashi Kuriyama ,  Toshinori Tsuboi ,  Hiroyuki Kasai ,  Hirokazu Kobayashi

    IPC分类号： H04J14/00

    CPC分类号： H04Q11/0067 ,  H04Q11/0066

    摘要： The present invention is to provide an optical access network in which a remote unit receives an optical burst signal. A central unit (OLT) transmits a DC-balanced optical continuous signal including packets having identification information for identifying each remote unit (ONU) to an optical switching module (OSM). The optical switching module (OSM) receives the DC-balanced optical continuous signal from the central unit (OLT), optically switches the packets based on the identification information, and transmits a DC-balanced optical burst signal including the packets to the remote unit (ONU). The remote unit (ONU) receives the DC-balanced optical burst signal and acquires the packets transmitted to the remote unit (ONU).

    摘要翻译： 本发明是提供一种光接入网络，其中远程单元接收光突发信号。 中央单元（OLT）将具有用于识别每个远程单元（ONU）的识别信息的分组的DC平衡光连续信号发送到光交换模块（OSM）。 光交换模块（OSM）从中央单元（OLT）接收直流均衡的光连续信号，根据识别信息对数据包进行光交换，并将包含数据包的直流平衡光脉冲信号发送到远程单元（ ONU）。 远程单元（ONU）接收直流平衡光突发信号并获取发往远程单元（ONU）的数据包。

    OPTICAL ACCESS NETWORK, REMOTE UNIT, OPTICAL COMMUNICATION METHOD, AND OPTICAL COMMUNICATION PROGRAM
    8.
    发明申请
    OPTICAL ACCESS NETWORK, REMOTE UNIT, OPTICAL COMMUNICATION METHOD, AND OPTICAL COMMUNICATION PROGRAM 有权
    光学接入网络，远程单元，光通信方法和光通信程序

    公开(公告)号：US20110008043A1

    公开(公告)日：2011-01-13

    申请号：US12518683

    申请日：2007-12-27

    申请人： Takumi Nomura ,  Hiromi Ueda ,  Takashi Kuriyama ,  Toshinori Tsuboi ,  Hiroyuki Kasai ,  Hirokazu Kobayashi

    发明人： Takumi Nomura ,  Hiromi Ueda ,  Takashi Kuriyama ,  Toshinori Tsuboi ,  Hiroyuki Kasai ,  Hirokazu Kobayashi

    IPC分类号： H04J14/00

    CPC分类号： H04Q11/0067 ,  H04Q11/0066

    摘要： The present invention is to provide an optical access network in which a remote unit receives an optical burst signal. A central unit (OLT) transmits a DC-balanced optical continuous signal including packets having identification information for identifying each remote unit (ONU) to an optical switching module (OSM). The optical switching module (OSM) receives the DC-balanced optical continuous signal from the central unit (OLT), optically switches the packets based on the identification information, and transmits a DC-balanced optical burst signal including the packets to the remote unit (ONU). The remote unit (ONU) receives the DC-balanced optical burst signal and acquires the packets transmitted to the remote unit (ONU).

    摘要翻译： 本发明是提供一种光接入网络，其中远程单元接收光突发信号。 中央单元（OLT）将具有用于识别每个远程单元（ONU）的识别信息的分组的DC平衡光连续信号发送到光交换模块（OSM）。 光交换模块（OSM）从中央单元（OLT）接收直流均衡的光连续信号，根据识别信息对数据包进行光交换，并将包含数据包的直流平衡光脉冲信号发送到远程单元（ ONU）。 远程单元（ONU）接收直流平衡光突发信号并获取发往远程单元（ONU）的数据包。

    Communication terminal, content reproduction method, content reproduction program, and content reproduction system for distributing and reproducing video contents with reduced stress
    9.
    发明授权
    Communication terminal, content reproduction method, content reproduction program, and content reproduction system for distributing and reproducing video contents with reduced stress 有权
    通信终端，内容再现方法，内容再现程序和内容再现系统，用于以减少的压力分发和再现视频内容

    公开(公告)号：US08665963B2

    公开(公告)日：2014-03-04

    申请号：US12391754

    申请日：2009-02-24

    申请人： Hiroyuki Kasai ,  Naofumi Uchihara ,  Hirono Tsubota ,  Yasuo Masaki

    发明人： Hiroyuki Kasai ,  Naofumi Uchihara ,  Hirono Tsubota ,  Yasuo Masaki

    IPC分类号： H04N11/02

    CPC分类号： H04N7/17318 ,  H04N21/41407 ,  H04N21/4331 ,  H04N21/4334 ,  H04N21/44008 ,  H04N21/4788 ,  H04N21/8549

    摘要： A communication terminal, includes: a communicator, configured to transmit and receive data to and from a server storing video contents; an accumulator, configured to accumulate a plurality of partial streams extracted from different time positions within the video contents received through the communicator as asynchronous streams; a decoder, configured to decode at least one of the asynchronous streams and synchronous streams that are not extracted as the asynchronous streams from the video contents, the synchronous streams being streaming-distributed from the server; and a controller, configured to acquire streams having time position information before and after a reproduction time position of the at least one of the asynchronous streams and the synchronous streams decoded by the decoder while the at least one of the asynchronous streams and the synchronous streams are reproduced on the display, and control the display to display the acquired streams after the reproduction.

    摘要翻译： 通信终端包括：通信器，被配置为向存储视频内容的服务器发送数据和从存储视频内容的服务器接收数据; 累加器，被配置为累积从通过所述通信器接收的视频内容内的不同时间位置提取的多个部分流作为异步流; 解码器，被配置为解码不从视频内容中提取为异步流的异步流和同步流中的至少一个，同步流从服务器流式分发; 以及控制器，被配置为在所述至少一个所述异步流和所述同步流是所述异步流和所述同步流解码的所述至少一个所述异步流和所述同步流的再现时间位置之前和之后获取具有时间位置信息的流， 在显示器上再现，并且控制显示器以在再现之后显示所获取的流。

    Apparatus, method and computer program product for transcoding a coded moving picture sequence
    10.
    发明授权
    Apparatus, method and computer program product for transcoding a coded moving picture sequence 失效
    用于对编码的运动图像序列进行代码转换的装置，方法和计算机程序产品

    公开(公告)号：US06587508B1

    公开(公告)日：2003-07-01

    申请号：US09604973

    申请日：2000-06-28

    申请人： Tsuyoshi Hanamura ,  Hiroyuki Kasai ,  Satoshi Nishimura ,  Hideyoshi Tominaga

    发明人： Tsuyoshi Hanamura ,  Hiroyuki Kasai ,  Satoshi Nishimura ,  Hideyoshi Tominaga

    IPC分类号： H04B166

    CPC分类号： H04N19/40 ,  H04N19/124 ,  H04N19/149 ,  H04N19/152 ,  H04N19/172 ,  H04N19/176 ,  H04N19/61

    摘要： An apparatus for transcoding a coded moving picture sequence according to the present invention comprises a rate controller for adapting the scaling factor to perform the rate control over the coded moving picture sequence signal having a desired target bit rate. The rate controller of the apparatus has: a remaining bit computing unit for computing: a remaining number of inputting bits Rin(n) for each of the pictures in the first coded moving picture sequence signal on the basis of the number of real inputting bits Sin(n) of the current picture and the estimated number of inputting bits; and a remaining number of outputting bits Rout(n) for each of the pictures in the second coded moving picture sequence signal on the basis of the number of real outputting bits Sout(n) of the current picture and the estimated number of outputting bits; a target ratio computing unit for computing, for each of the pictures, a target ratio of the remaining number of outputting bits Rout(n) to the remaining number of inputting bits of the picture Rin(n); and a scaling factor computing unit for computing the scaling factor on the basis of the target ratio to control the target bit rate of the second coded moving picture sequence signal.

    摘要翻译： 根据本发明的用于对编码运动图像序列进行代码转换的装置包括速率控制器，用于调整比例因子以对具有期望目标比特率的编码运动图像序列信号执行速率控制。 该装置的速率控制器具有：剩余比特计算单元，用于计算：基于实际输入比特数Sin的第一编码运动图像序列信号中的每个图像的输入比特Rin（n）的剩余数量 （n）和估计的输入位数; 以及基于当前图像的实际输出位Sout（n）的数量和所估计的输出比特数，在第二编码运动图像序列信号中的每个图像的输出比特Rout（n）的剩余数量; 目标比率计算单元，用于针对每个图像计算剩余输出比特数Rout（n）与图片Rin（n）的剩余输入比特数的目标比率; 以及比例因子计算单元，用于基于所述目标比率来计算所述缩放因子，以控制所述第二编码运动图像序列信号的目标比特率。