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    • 7. 发明授权
    • Line terminating device
    • 线路终端设备
    • US06446146B1
    • 2002-09-03
    • US09296841
    • 1999-04-22
    • Tomoyuki YamaguchiJyoei KamoiIwao Tada
    • Tomoyuki YamaguchiJyoei KamoiIwao Tada
    • G06F1300
    • H04L49/606G06F13/4086H04J3/0685H04J2203/0089H04L12/5601H04L49/3081H04L2012/5674
    • To reduce a scale of the circuit, a number of the external terminals, processing steps in developing a firmware, and a scale of the firmware, a line terminator provided in a device for terminating SONET/SDH lines, each having a different line speed, terminates plural lines, each having a different line speed, and includes a clock generator generating a clock corresponding to each line speed, a line switching circuit for specifying one of the plural lines, a selector for outputting data of one of the plural lines, which is specified by the line switching circuit, and a common processing circuit for processing data of the one line output from the selector, according to a clock corresponding to the line speed generated in the clock generator.
    • 为了减少电路的规模,多个外部终端,开发固件的处理步骤和固件的规模,设置在用于终止SONET / SDH线路的设备中的线路终端器,每个线路终端器具有不同的线路速度, 终止多行,每行具有不同的线速度,并且包括产生与每行线速度相对应的时钟的时钟发生器,用于指定多条线之一的线切换电路,用于输出多条线之一的数据的选择器, 由线路切换电路指定,以及公共处理电路,用于根据对应于在时钟发生器中产生的线路速度的时钟处理从选择器输出的一行的数据。
    • 9. 发明申请
    • Transmission base flow control device
    • 变速箱底座流量控制装置
    • US20060077898A1
    • 2006-04-13
    • US11284669
    • 2005-11-22
    • Tomoyuki YamaguchiShinji WakasaYasuyuki Mitsumori
    • Tomoyuki YamaguchiShinji WakasaYasuyuki Mitsumori
    • H04J1/16
    • H04L47/39H04L45/22H04L47/10H04L47/18
    • A transmission base flow control device performs data transmission/reception based on a packet form between a transmission device and a reception device having a redundant structure by utilizing a credit value to carry out a flow control of a credit base on a flow basis. The transmission base flow control device includes: a first credit counter, which is shared by an active system and a preparatory system of the reception device, for managing the credit value of the active system; a second credit counter and a third credit counter for counting the credit values for each system of the active system and the preparatory system of the reception device; a differential counter for holding a difference between the credit value counted by the second credit counter and the credit value counted by the third credit counter; and a control unit for matching, according to the difference held by the differential counter, the credit values of the first credit counter and the second credit counter or the credit values of the first credit counter and the third credit counter with a credit value corresponding to the reception device of a new active system after switching the system of the reception device.
    • 发送基站流量控制装置通过利用信用值在发送装置与具有冗余结构的接收装置之间基于分组形式进行数据发送/接收,以流量为基础进行信用卡的流量控制。 传输基本流量控制装置包括:由活动系统共享的第一信用计数器和接收装置的预备系统,用于管理活动系统的信用值; 第二信用计数器和用于对活动系统的每个系统和接收装置的预备系统的信用值进行计数的第三信用计数器; 用于保存由第二信用计数器计数的信用值与由第三信用计数器计数的信用值之间的差的差分计数器; 以及控制单元,用于根据差分计数器所保持的差异,匹配第一信用计数器和第二信用计数器的信用值或第一信用计数器和第三信用计数器的信用值,其信用值对应于 在切换接收设备的系统之后的新的主动系统的接收设备。
    • 10. 发明授权
    • Method and apparatus for achieving pass control of transmission cells
    • 用于实现传输单元的通过控制的方法和装置
    • US06275472B1
    • 2001-08-14
    • US09016457
    • 1998-01-30
    • Tomoyuki YamaguchiNaoki Aihara
    • Tomoyuki YamaguchiNaoki Aihara
    • H04L1226
    • H04L43/0847H04L43/16H04L49/205H04L49/3009H04L49/552H04L69/40H04L2012/5647H04L2012/5673H04L2012/5674
    • An apparatus for pass control of transmission cells for preventing cells having headers including a specific pattern of multi-bit error from being erroneously transmitted. The pass control apparatus is operated by a method comprising (i) a step of monitoring a communication quality of each received frame; (ii) a step of temporarily buffering one monitored frame's worth of cells for each frame; (iii) a step of determining whether or not the communication quality of the monitored frame exceeds a predetermined threshold level; and (iv) a step of erasing all of the cells including one-bit error and multi-bit error in their headers from one frame's worth of buffered cells when the communication quality deteriorates exceeding the predetermined threshold level, while passing the buffered cells as they are when it does not exceed the threshold level.
    • 一种传输单元的通过控制装置,用于防止具有包含特定多比特错误模式的头部的小区被错误地发送。 通过控制装置通过以下方法操作:(i)监视每个接收帧的通信质量的步骤; (ii)为每个帧临时缓冲一个被监视帧的小区的步骤; (iii)确定被监视帧的通信质量是否超过预定阈值水平的步骤; 以及(iv)当通信质量恶化超过预定阈值水平时,同时通过缓冲的小区,从一帧的缓冲单元的头部中删除包括一位错误和多位错误的所有单元的步骤, 当它不超过阈值水平时。