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    • 2. 发明授权
    • Tandem relay device
    • 串联继电器
    • US06172978B2
    • 2001-01-09
    • US08982505
    • 1997-12-02
    • Wataru FushimiYoshihiko ShirokuraYukimasa SuginoHideaki EbisawaYushi Naito
    • Wataru FushimiYoshihiko ShirokuraYukimasa SuginoHideaki EbisawaYushi Naito
    • H04L1266
    • H04L12/64H04J2203/005H04J2203/0087H04L2012/5616H04L2012/5671H04Q11/0478
    • In establishing an audio one link connection wherein an audio signal is not encoded/decoded in a relay station, loud noises may be produced if the states of two audio tandem relay devices which make a pair during relay are changed from a normal connection state to a relay connection state at different times. In order to solve this problem, comfort noise generators are provided. In detail, when a first pattern signal is detected while a relay call is connected via a relay exchange, switches are switched to be connected at a contact point 1, and a switch is at a contact point 2. Upon detection of a second pattern signal, the switches are connected at the contact points 2, while the switches are connected at the contact points 2. With this arrangement, outputs from the comfort noise generators are selected and outputted during a period from first pattern signal detection to second pattern signal detection, during which the states of the two devices of a pair are different. As a result, occurrence of loud noises is prevented.
    • 在建立音频信号在中继站中不进行编码/解码的音频一链路连接的情况下,如果在中继期间使一对成对的两个音频串联中继装置的状态从正常连接状态改变为 不同时间的中继连接状态。 为了解决这个问题,提供舒适噪音发生器。 详细地说,当通过中继交换机连接中继呼叫时检测到第一模式信号时,开关被切换为在接触点1处连接,并且开关处于接触点2.在检测到第二模式信号 开关连接在接触点2上,同时开关连接在接点2处。由此,在从第一模式信号检测到第二模式信号检测的期间,选择并输出来自舒适噪声发生器的输出, 在此期间,一对的两个装置的状态不同。 结果,防止发出大的噪音。
    • 4. 发明申请
    • Packet Communication System
    • 分组通信系统
    • US20070237140A1
    • 2007-10-11
    • US11587587
    • 2004-04-27
    • Yukimasa SuginoShigeaki SuzukiWataru FushimiIsamu Ogawa
    • Yukimasa SuginoShigeaki SuzukiWataru FushimiIsamu Ogawa
    • H04L12/56
    • H04M7/0075H04L12/56
    • A packet communication system includes a communication control apparatus 8 for searching for an IP address corresponding to a destination telephone number when receiving a connection request including the destination telephone number from a VoIP terminal, and a multiplexing control apparatus 9 for identifying both a multiplexing transmission apparatus 11 or 10 which manages a VoIP terminal associated with the address searched for by the communication control apparatus 8, and a multiplexing transmission apparatus 10 or 11 which manages the VoIP terminal which is the transmission source of the connection request, and for notifying each of both the identified multiplexing transmission apparatus 10 and 11 of the address of the multiplexing transmission apparatus 11 or 10 on the other end of connection and the address of the VoIP terminal.
    • 分组通信系统包括:通信控制装置8,用于在从VoIP终端接收包括目的地电话号码的连接请求时,搜索与目的地电话号码对应的IP地址;以及复用控制装置9,用于识别复用传输装置 管理与由通信控制装置8搜索到的地址相关联的VoIP终端的11或10,以及管理作为连接请求的发送源的VoIP终端的多路传输装置10或11,以及通知 所确定的多路传输装置11或10的地址的复用传输装置10和11在另一端的连接和VoIP终端的地址。
    • 6. 发明授权
    • Variable bit rate digital circuit multiplication equipment with tandem passthrough function
    • 具有串联直通功能的可变比特率数字电路倍增设备
    • US06882969B2
    • 2005-04-19
    • US09827915
    • 2001-04-09
    • Wataru FushimiShigeaki Suzuki
    • Wataru FushimiShigeaki Suzuki
    • H04M3/42G10L19/14H04B14/00H04J3/16H04J3/22H04L12/56H04L29/08H04M3/00G10L19/00
    • G10L19/16H04J3/1688H04L2012/5671
    • Digital circuit multiplication equipment (DCME) refers to coding bit rate information included in a pseudo-speech signal. In accordance with the coding bit rate information, the DCME selects either a coded speech signal extracted by a transmission bit rate restorer or a coded speech signal including bit rate identification information added by a coding bit rate information adding section, and supplies the selected coded speech signal to a bearer line. The DCME can solve a problem of a conventional DCME in that a mismatch can take place between the actual transmission bit rate of the coded speech signal and the transmission bit rate assigned to the bearer line when providing the variable bit rate DCME with a tandem passthrough function, and therefore the correct coding bit rate information cannot be transferred to a speech decoder, bringing about serious degradation in the speech quality.
    • 数字电路倍增设备(DCME)是指包含在伪语音信号中的编码比特率信息。 根据编码比特率信息,DCME选择由传输比特率恢复器提取的编码语音信号或包括由编码比特率信息添加部分添加的比特率识别信息的编码语音信号,并提供所选择的编码语音 信号到承载线。 DCME可以解决常规DCME的问题,因为当将可变比特率DCME提供串行直通函数时,在编码语音信号的实际传输比特率和分配给载体线路的传输比特率之间可能发生不匹配 因此,正确的编码比特率信息不能传送到语音解码器,导致语音质量的严重降级。
    • 8. 发明授权
    • Circuit multiple transmission system
    • 电路多传输系统
    • US5493610A
    • 1996-02-20
    • US84531
    • 1993-06-28
    • Shigeaki SuzukiYuhshi NaitoWataru Fushimi
    • Shigeaki SuzukiYuhshi NaitoWataru Fushimi
    • H04M11/00H04J3/16H04M11/06H04N1/00H04N1/333
    • H04N1/33361H04J3/1688H04M11/068H04N1/33323H04N2201/3335H04N2201/33371
    • In a circuit multiplex transmission system for transmitting speech/facsimile signals, a transmission circuit allocation control unit outputs a data transmission rate designation signal according to the load of the transmission circuit. A facsimile procedure operating unit operates a facsimile procedure, by reloading a control signal to be used for controlling the facsimile procedure or by selectively causing a training, which takes place prior to sending a message, to end in failure, in such a manner that a facsimile base band data transmission rate will be a rate designated by a transmission rate designation information. The result is that since the facsimile base band data transmission rate is controlled according to the load of the transmission circuit, it is possible to accommodate the same number of input telephone lines as that if every input signal is a speech signal.
    • 在用于发送语音/传真信号的电路复用传输系统中,传输电路分配控制单元根据传输电路的负载输出数据传输速率指定信号。 传真过程操作单元通过重新加载用于控制传真过程的控制信号或者通过选择性地引起在发送消息之前发生的以失败结束的训练,操作传真过程,方式是 传真基带数据传输速率将是由传输速率指定信息指定的速率。 结果是,由于传真基带数据传输速率根据传输电路的负载进行控制,所以可以容纳与每个输入信号是语音信号相同数量的输入电话线。
    • 9. 发明授权
    • Signalling transmission system
    • 信令传输系统
    • US4972411A
    • 1990-11-20
    • US343400
    • 1989-04-25
    • Wataru FushimiNoriaki KawanoYushi Naito
    • Wataru FushimiNoriaki KawanoYushi Naito
    • H04J3/12
    • H04J3/12
    • A signalling transmission system is disclosed which consists of a transmitting module including a signalling variation detecting unit and a signalling synthesization unit, and a receiving module including a signalling flag detecting unit and a signalling separation unit. The signalling synthesization unit makes composition signals by inserting signalling signals into voice signals together with a flag when signalling variations are detected by the variation detecting unit. A flag detecting unit detects a flag contained in the composition signals received by the receiving module and instructs the separating unit to separate the signalling signals from the voice signals contained the composition signals when the flag shows that the composition signals include the signalling signals. The signalling signals and the voice signals are therefore output from the receiving module.
    • 公开了一种由包括信令变化检测单元和信令合成单元的发送模块组成的信令传输系统,以及包括信令标志检测单元和信令分离单元的接收模块。 当由变化检测单元检测到信令变化时,信令合成单元通过将信令信号与标志一起插入语音信号来产生合成信号。 标志检测单元检测由接收模块接收到的合成信号中包含的标志,并且当标志表示合成信号包括信令信号时,指示分离单元从包含合成信号的语音信号中分离信令信号。 因此,信令信号和语音信号从接收模块输出。
    • 10. 发明申请
    • Packet transmission device
    • 分组传输设备
    • US20060165125A1
    • 2006-07-27
    • US10520101
    • 2004-02-24
    • Wataru FushimiShigeaki Suzuki
    • Wataru FushimiShigeaki Suzuki
    • H04J3/24
    • H04N1/32704H04N1/00312H04N1/32708H04N1/32726
    • A packet transmission apparatus includes a voice encoding unit 1 for voice-encoding an incoming voice band signal, a packet generating unit 2 for accepting the encoded voice signal from the voice encoding unit, and for assembling packets from the encoded voice signal and outputting them, a redundant packet generating unit 3 for accepting the encoded voice signal from the voice encoding unit 1, and for assembling redundant packets, a selector 5 for selecting, as an output source that furnishes packets to a transmission line (i.e., a transmission destination), either the packet generating unit 2 or the redundant packet generating unit 3, and a facsimile signal detecting unit 4 for determining whether or not the voice band signal is a facsimile signal associated with facsimile communications which are data communications selected in advance, and for controlling the selection by the selector 5 according to the determination result.
    • 分组传输装置包括用于对输入语音频带信号进行语音编码的语音编码单元1,用于从语音编码单元接受编码语音信号的分组生成单元2,并用于组合来自编码语音信号的分组并将其输出, 用于接收来自语音编码单元1的编码语音信号并用于组合冗余分组的冗余分组生成单元3,用于选择向传输线(即发送目的地)提供分组的输出源的选择器5, 分组生成单元2或冗余分组生成单元3,以及传真信号检测单元4,用于确定语音频带信号是否是与作为预先选择的数据通信的传真通信相关联的传真信号,并且用于控制 根据确定结果由选择器5进行选择。