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    • 3. 发明授权
    • Optical access system, optical switching unit and optical line terminal
    • 光接入系统,光交换单元和光线路终端
    • US08401384B2
    • 2013-03-19
    • US12503884
    • 2009-07-16
    • Koji WakayamaHiroki IkedaMichitaka OkunoKenichi Sakamoto
    • Koji WakayamaHiroki IkedaMichitaka OkunoKenichi Sakamoto
    • H04J14/00H04B10/00
    • H04Q11/0067H04Q2011/0045H04Q2011/0064
    • Provided is an optical access system, including: an optical line terminal, a plurality of optical network units and an optical switching unit. The optical line terminal sends to the optical switching unit a control frame including a switching time when the optical switching unit is to make a switch from one of the optical communication paths between the optical line terminal and the plurality of optical network units to another, and an identifier of an optical communication path to which the switch is made in order to switch the optical communication paths between the optical line terminal and the plurality of optical network units. The optical switching unit switches the optical communication paths between the optical line terminal and the plurality of optical network units based on the switching time and the identifier of the optical communication path after switching which are included in the control frame.
    • 提供一种光接入系统,包括:光线路终端,多个光网络单元和光交换单元。 光线路终端向光交换单元发送包括切换时间的控制帧,当光交换单元从光线路终端与多个光网络单元之间的光通信路径之一进行切换时,切换时间为 为了切换光线路终端与多个光网络单元之间的光通信路径而进行交换的光通信路径的标识符。 光切换单元基于包括在控制帧中的切换时间和切换后的光通信路径的标识符,切换光线路终端与多个光网络单元之间的光通信路径。
    • 4. 发明授权
    • Optical access system
    • 光接入系统
    • US08290369B2
    • 2012-10-16
    • US12379281
    • 2009-02-18
    • Kenichi SakamotoYoshihiro AshiTohru KazawaRyosuke NishinoMasayuki TakaseMasahiko Mizutani
    • Kenichi SakamotoYoshihiro AshiTohru KazawaRyosuke NishinoMasayuki TakaseMasahiko Mizutani
    • H04B10/00
    • H04J3/1694H04J3/0682
    • An optical access system capable of avoiding cutoffs or interruption in the periodically transmitted signals that occur during the ranging time is provided. A first method to avoid signal cutoffs is to stop periodic transmit signals at the transmitter during the ranging period, and transmit all the periodic transmit signals together when the ranging ends, and buffer the signals at the receiver to prepare for ranging. A second method is to fix definite periods ahead of time for performing ranging, then cluster the multiple periodic transmit signals together in sets at the transmitter and send them, and then disassemble those sets back into signals at the receiver. The transmitting and receiving is then controlled so that the transmit periods do not overlap with the ranging periods. In this way an optical access system is provided that can send and receive signals requiring periodic transmissions without interruption even during ranging operation.
    • 提供一种能够避免在测距时间期间发生的周期性发射信号中的截断或中断的光接入系统。 避免信号截止的第一种方法是在测距周期期间在发射机处停止周期性发射信号,并且在测距结束时将所有周期性发射信号传输到一起,并且在接收机处缓冲信号以准备测距。 第二种方法是提前确定一段时间进行测距,然后将多个周期性发射信号集合在一起,并将其发送给发射机,然后将它们分组回接收机的信号。 然后控制发送和接收,使得发送周期不与测距周期重叠。 以这种方式,提供光接入系统,即使在测距操作期间也可以发送和接收需要周期性传输的信号而不中断。
    • 7. 发明授权
    • Policy settable peer-to-peer session apparatus
    • 策略可设置的对等会话设备
    • US07522591B2
    • 2009-04-21
    • US10689695
    • 2003-10-22
    • Satoshi KiyotoKenichi SakamotoKazuma Yumoto
    • Satoshi KiyotoKenichi SakamotoKazuma Yumoto
    • H04L12/28
    • H04L67/322H04L67/14H04L69/329
    • A session relay apparatus for preventing the packet relay delay by detecting the start and end of the policy settable peer-to-peer communication is disclosed. The session relay apparatus for relay a session control message transmitted and received between communication terminals to control the peer-to-peer communication detects the start and end of the communication from the session control message, and acquires the information for identifying a session and the information on the peer-to-peer communication carried out on the session. Upon generation of a policy indicating the packet relay control process by a policy generating unit, edge nodes for passing the packet are searched for and the policy is distributed to the edge nodes. The policy is set in the edge nodes accommodating the communication terminals at the start of communication, and the policy setting is canceled at the end of communication.
    • 公开了一种通过检测策略可设置的对等通信的开始和结束来防止分组中继延迟的会话中继装置。 用于中继会话控制消息的会话中继装置,用于控制对等通信的通信终端之间发送和接收的会话控制消息,从会话控制消息中检测通信的开始和结束,并且获取用于识别会话和信息的信息 在会话上进行的对等通信。 在生成表示策略生成部的分组中继控制处理的策略的情况下,搜索用于通过分组的边缘节点,并将策略分配给边缘节点。 该策略设置在通信开始时容纳通信终端的边缘节点中,并且策略设置在通信结束时被取消。
    • 9. 发明授权
    • Wiring body with flexure sheet connecting the head slider and the driving unit in a disk apparatus
    • 具有将磁头滑块和驱动单元连接在磁盘装置中的挠曲板的接线体
    • US07170718B2
    • 2007-01-30
    • US10323857
    • 2002-12-18
    • Kenichi SakamotoMakoto Miyamoto
    • Kenichi SakamotoMakoto Miyamoto
    • G11B5/55
    • G11B5/4853G11B5/486
    • To provide a disk apparatus that can enhance reliability of a head wiring and a driving wiring, a disk apparatus includes a head slider, an arm, a driving unit, a wiring body provided for supplying a head mounted on the head slider with a head current used for signal recording or reproduction with respect to a disk-like recording medium and supplying the driving unit with a driving current used to drive the arm to swing, and a lead-out terminal portion. The wiring body includes a flexure sheet provided in the arm so as to support the head slider, a head wiring provided so as to connect the head slider and the lead-out terminal portion by passing over the flexure sheet thereby to supply the head mounted on the head slider with the head current, and a driving wiring provided along the head wiring in an area ranging from a wiring connecting portion formed on a side of the flexure sheet opposite the head slider to the lead-out terminal portion thereby to supply the driving unit with the driving current.
    • 为了提供能够提高磁头布线和驱动布线的可靠性的磁盘装置,磁盘装置包括磁头滑动器,臂,驱动单元,布线体,用于向安装在磁头滑块上的磁头提供磁头电流 用于相对于盘状记录介质的信号记录或再现,并向驱动单元提供用于驱动臂摆动的驱动电流和引出端子部分。 布线体包括设置在臂中的挠曲片,以支撑头滑块,设置为通过穿过挠曲片连接头滑块和引出端子部分的头布线,从而提供安装在 具有头电流的磁头滑块和沿着磁头布线设置的驱动布线,该驱动布线在从形成在与磁头滑块相对的挠曲板的一侧上的布线连接部分到引出端子部分的范围内,从而提供驱动 单位带驱动电流。