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    • 1. 发明授权
    • Synchronous transfer mode/asynchronous transfer mode converting
transmission path terminating apparatus
    • 同步传输模式/异步传输模式转换传输路径终端设备
    • US5920563A
    • 1999-07-06
    • US790216
    • 1997-02-01
    • Satoshi FukuiToshikazu OtaHiroyuki ShimonoMasami HashizumeToshiharu SakaiTomoyuki Yamaguchi
    • Satoshi FukuiToshikazu OtaHiroyuki ShimonoMasami HashizumeToshiharu SakaiTomoyuki Yamaguchi
    • H04Q3/00H04J3/14H04L12/70H04Q11/04H04L12/56
    • H04Q11/0478H04J3/14H04J2203/0089H04L2012/5674
    • In a synchronous transfer mode/asynchronous transfer mode converting transmission path terminating apparatus, a receive synchronous transfer mode processing unit has an out of synchronization detecting unit for detecting out of synchronization information, and an asynchronous transfer mode cell extracting unit has an asynchronous transfer mode cell synchronizing unit for forcibly outputting a signal representing out of synchronization when receiving the out of synchronization information from the out of synchronization detecting unit, an asynchronous transfer mode cell discard judging unit for forcibly outputting a cell discard signal when receiving the out of synchronization information from the out of synchronization detecting unit, and a storage write controlling unit for forcibly inhibiting an asynchronous transfer mode cell from being written in a storage unit when receiving the out of synchronization information from the out of synchronization detecting unit, thereby always capturing accurate data (cells) to continue a process even immediately after generation of an alarm such as an SEF signal, besides transferring error information used to accurately switch a transmission path so as to prevent unnecessary switching of the transmission path.
    • 在同步传输模式/异步传输模式转换传输路径终端设备中,接收同步传输模式处理单元具有用于检测不同步信息的异步​​检测单元,异步传输模式单元提取单元具有异步传输模式单元 同步单元,用于当从同步异步检测单元接收到不同步信息时,强制地输出表示不同步的信号;异步传输模式单元丢弃判断单元,用于当从所述异步传输模式单元丢弃判断单元接收到来自 不同步检测单元,以及存储写入控制单元,用于当从异步检测单元接收到不同步信息时强制禁止异步传输模式单元写入存储单元,从而总是捕获 环形精确数据(单元),甚至在产生诸如SEF信号的警报之后立即继续处理,除了传输用于精确地切换传输路径的错误信息,以防止传输路径的不必要的切换。
    • 5. 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。
    • 7. 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。
    • 8. 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。
    • 10. 发明授权
    • Ink jet head including phase transition material actuators
    • 喷墨头包括相转移材料执行器
    • US5729262A
    • 1998-03-17
    • US298035
    • 1994-08-30
    • Yoshikazu AkiyamaTomoyuki YamaguchiKakuji MurakamiYasuo Miyoshi
    • Yoshikazu AkiyamaTomoyuki YamaguchiKakuji MurakamiYasuo Miyoshi
    • B41J2/14B41J2/045
    • B41J2/14274
    • An ink jet printing head includes a nozzle plate including nozzles, a plurality of ink cavities each containing ink, a plurality of actuators each made of a phase transition material, an oscillating plate having a top surface with which the ink in each ink cavity is brought into contact, and having a bottom surface bonded to each actuator, the oscillating plate pressing the ink in each ink cavity in association with the actuators to discharge ink drops from the nozzles at a sheet of paper so that an image is printed on the paper. In this ink jet printing head, the ink in each ink cavity is pressed by the oscillating plate in accordance with volumetric changes of the actuators, the volumetric changes being developed by applying an electric field to each actuator at a given electric field intensity, the given electric field intensity causing a transition of the phase transition material from an antiferroelectric phase into a ferroelectric phase to take place or causing a transition of the phase transition material from the ferroelectric phase into the antiferroelectric phase to take place.
    • 喷墨打印头包括喷嘴板,喷嘴板包括喷嘴,多个油墨腔,每个油墨腔都包含油墨;多个致动器,各自由相变材料制成,振荡板具有顶表面,每个油墨腔中的油墨都带有 并且具有与每个致动器接合的底表面,所述振动板与致动器相关联地按压每个墨腔中的墨,以从一张纸上的喷嘴排出墨滴,使得图像被打印在纸上。 在这种喷墨打印头中,每个油墨腔中的油墨都按照致动器的体积变化被振荡板按压,通过在给定的电场强度下向每个致动器施加电场来产生体积变化,给定的 导致相变材料从反铁电相转变成铁电相的电场强度发生,或者使相变材料从铁电相转变成反铁电相发生。