Communication system
    1.
    发明授权
    Communication system 失效
    通讯系统

    公开(公告)号:US6034944A

    公开(公告)日:2000-03-07

    申请号:US860025

    申请日:1997-07-03

    摘要: A communication system capable of reliably recovering its communication functions on its own when a fault occurs, and which can be used to construct a highly flexible network. This communication system is configured so that a plurality of node devices (12) supporting data generating sources are connected via communication paths (13) that use ATM technology to a plurality of center devices (11), just as if it possessed distributed ATM switch functions. When the communication paths (13) between two (2) node devices (12-2 and 12-3) are cut, the center device (11-2) detects the fault point, and autonomously recovers communication functions by transferring the node device (12-2) originally under its control to the control of the center device (11-1). When this happens, the center device 11-2) cannot communicate via the communication paths (13) due to the fault, and must use a local communication means such as a wide area network (16) to communicate with the center device (11-1).

    摘要翻译: PCT No.PCT / JP96 / 03305 Sec。 371日期1997年7月3日 102(e)日期1997年7月3日PCT 1996年11月11日PCT PCT。 公开号WO97 / 17782 日期1997年5月15日一种能够在发生故障时自行可靠地恢复通信功能的通信系统,可用于构建高度灵活的网络。 该通信系统被配置为使得支持数据生成源的多个节点设备(12)通过使用ATM技术的通信路径(13)连接到多个中心设备(11),就好像它拥有分布式ATM交换机功能 。 当两(2)个节点设备(12-2和12-3)之间的通信路径(13)被切断时,中心设备(11-2)检测到故障点,并通过传送节点设备自主地恢复通信功能 12-2)最初控制在中央设备(11-1)的控制下。 当这种情况发生时,中心设备11-2)由于故障而不能经由通信路径(13)进行通信,并且必须使用诸如广域网(16)的本地通信装置与中心设备(11- 1)。

    Broadband switching networks
    3.
    发明授权
    Broadband switching networks 失效
    宽带交换网络

    公开(公告)号:US5566179A

    公开(公告)日:1996-10-15

    申请号:US315495

    申请日:1994-09-30

    摘要: A broadband switching network for transmitting information by using a cell composed of an information field and a header, including a first network comprising an ATM ring having a plurality of access nodes for multiplexing and demultiplexing the cell and a ring shape transmission path for connecting the plurality of access nodes in a ring shape so as to transmit the cell, and at least one second network, wherein the first network being connected to at least one second network via one of the plurality of access nodes, each second network having a switching function for switching the cell.

    摘要翻译: 一种用于通过使用由信息字段和报头组成的信元来发送信息的宽带交换网络,包括具有多个用于复用和解复用信元的接入节点的ATM环的第一网络和用于连接多个信元的环形传输路径 的环形接入节点,以便发送所述小区,以及至少一个第二网络,其中所述第一网络经由所述多个接入节点中的一个连接到至少一个第二网络,每个第二网络具有切换功能, 切换单元格

    ATM exchange system
    4.
    发明授权
    ATM exchange system 失效
    ATM交换系统

    公开(公告)号:US5204857A

    公开(公告)日:1993-04-20

    申请号:US747869

    申请日:1991-08-20

    申请人: Keiichi Obara

    发明人: Keiichi Obara

    摘要: An ATM exchange system capable of accommodation not only terminals of an ATM system but also terminals of an STM system at low cost. The ATM system includes an ATM channel switch for providing a direct exchange connection between the ATM terminal and an ATM trunk line, an STM channel switch for providing a direct exchange connection between the STM terminal and an STM trunk line, and an STM/ATM conversion module connected between the ATM channel switch and the STM channel switch and adapted to convert a call of one system to that of another system when a call is made between ATM terminal/line and STM terminal/line.

    摘要翻译: 一种ATM交换系统,其能够不仅可以容纳ATM系统的终端,而且可以低成本地容纳STM系统的终端。 ATM系统包括用于在ATM终端和ATM中继线之间提供直接交换连接的ATM信道交换机,用于在STM终端与STM中继线之间提供直接交换连接的STM信道交换机,以及STM / ATM转换 模块连接在ATM信道交换机和STM信道交换机之间,适用于在ATM终端/线路与STM终端/线路之间进行呼叫时将一个系统的呼叫转换为另一个系统的呼叫。

    Multiplex communication system
    5.
    发明授权
    Multiplex communication system 失效
    多路复用通信系统

    公开(公告)号:US4924458A

    公开(公告)日:1990-05-08

    申请号:US207660

    申请日:1988-06-16

    申请人: Keiichi Obara

    发明人: Keiichi Obara

    IPC分类号: H04J3/08 H04Q11/04

    CPC分类号: H04Q11/04

    摘要: A multiplex communication system includes a plurality of exchanges and multiplex communication apparatuses connected to at least one exchange through a plurality of lines. Each of the multiplex communication apparatuses comprises first registers for storing first selection number information from the lines and second registers for fetching and storing second selection number information from an associated one of the exchanges, and is arranged such that a CPU of the associated communication apparatus determines that the exchange is to perform its interrupting operation and causes encoders and decoders to be switched to their through mode when the first selection number information stored in the first registers coincides with the second selection number information stored in the second registers.

    摘要翻译: 复用通信系统包括通过多条线路连接到至少一个交换机的多个交换和复用通信装置。 每个多路复用通信设备包括用于存储来自线路的第一选择号码信息和第二寄存器的第一寄存器,用于从相关联的一个交换机取出并存储第二选择号码信息,并且被布置成使得相关联的通信设备的CPU确定 当存储在第一寄存器中的第一选择号码信息与存储在第二寄存器中的第二选择号码信息一致时,交换机将执行中断操作并使编码器和解码器切换到其通过模式。

    Voice signal transmitting method and exchange system using this
    6.
    发明授权
    Voice signal transmitting method and exchange system using this 失效
    语音信号发送方式和交换系统采用这种方式

    公开(公告)号:US6038237A

    公开(公告)日:2000-03-14

    申请号:US860024

    申请日:1997-07-03

    摘要: This relates to a voice signal transmitting method and exchange system using this whereby excellent speech quality can be maintained by reducing the celling delay on voice compression and celling/decelling delay on relay-exchanging. Voice compression/framing/celling units 20A, 20B, 20C corresponding to ATM exchanges 10A, 10B, 10C within the network are provided. When a call is made between telephone set 50-1 and telephone set 50-3 or 50-5, voice compression/framing/celling unit 20A distributes the voice signal that is input from PBX 30A to each remote party PBX 30B, 30C; the voice signal distributed to each of these remote stations is compressed, and, at fixed time intervals, only busy channels are multiplexed on to a variable-length TDM frame, this multiplexed frame being then converted into ATM cell form at each PBX 30B, 30C and transferred from ATM exchange 10A to ATM exchange 10B or 10C.

    摘要翻译: PCT No.PCT / JP96 / 03304 Sec。 371日期1997年7月3日 102(e)日期1997年7月3日PCT 1996年11月11日PCT PCT。 出版物WO97 / 17785 日期1997年5月15日这涉及一种使用这种语音信号发送方法和交换系统,通过减少中继交换上的语音压缩和蜂窝/解消除延迟的蜂窝延迟,可以保持良好的语音质量。 提供对应于网络内的ATM交换机10A,10B,10C的语音压缩/成帧/单元单元20A,20B,20C。 当在电话机50-1和电话机50-3或50-5之间进行呼叫时,语音压缩/成帧/小区单元20A将从PBX 30A输入的语音信号分配给每个对方PBX 30B,30C; 分配给这些远程站中的每一个的语音信号被压缩,并且在固定的时间间隔,只有忙信道被复用到可变长度的TDM帧,然后在多个PBX 30B,30C将该多路复用帧转换成ATM信元 并从ATM交换机10A转移到ATM交换机10B或10C。

    Method and apparatus for sending data
    7.
    发明授权
    Method and apparatus for sending data 失效
    用于发送数据的方法和装置

    公开(公告)号:US4771335A

    公开(公告)日:1988-09-13

    申请号:US883767

    申请日:1986-07-09

    申请人: Keiichi Obara

    发明人: Keiichi Obara

    摘要: A communication system which includes two digital terminal stations connected to each other by a digital communication line. The communication system includes data terminals adapted for operation on an analog communication line which transmits main data and control data. The data terminal has two modems for transmitting respective data. Correspondingly, the digital terminal station has two modems which modulate and demodulate the respective data signal for transmitting the data from the digital communication line through the analog communication line and vice versa. The data transmission between two data terminals through the digital terminal stations is completed in one transmission call.

    摘要翻译: 一种通信系统,包括通过数字通信线路彼此连接的两个数字终端站。 通信系统包括适于在模拟通信线路上操作的数据终端,其发送主数据和控制数据。 数据终端具有用于发送相应数据的两个调制解调器。 相应地,数字终端具有两个调制解调器,其调制和解调用于通过模拟通信线从数字通信线路发送数据的相应数据信号,反之亦然。 通过数字终端站的两个数据终端之间的数据传输在一个传输呼叫中完成。