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    • 5. 发明专利
    • Control of outgoing circuit
    • 控制电路
    • JPS6175697A
    • 1986-04-18
    • JP19670884
    • 1984-09-21
    • Fujitsu LtdHitachi LtdNec CorpNippon Telegr & Teleph Corp Oki Electric Ind Co Ltd
    • SHIBAZAKI SHOGOISHIKAWA ISAOSUKAI NOBUOYAMAGIWA KAZUOKATAKURA HITOSHI
    • H04Q3/54H04M3/42H04Q3/48
    • H04M3/42H04Q3/48
    • PURPOSE:To install easily and economically an additional outgoing trunk in terms of an automatic telephone exchange by sharing a main line containing position with plural outgoing trunks, and selecting and controlling one outgoing trunk concerned among plural outgoing trunks with the aid of service information. CONSTITUTION:When a subscriber off-hooks a telephone set 2 to dial a special code for showing a service request, a common controller 5 activates a general outgoing trunk 3 through a trunk block connecter. The activated trunk 3 activates an outgoing trunk for new services 4. Then the common controller 5 outputs service information to both trunks 3 and 4. When the general outgoing trunk 3 judges that a main line 1 is not connected to a general outgoing route and the new service trunk 4 is connected to the main link 1, the circuit between the main link 1, some part of the general outgoing trunk 3 and new service outgoing trunk 4 is established, and controlled and connected to a new service outgoing route.
    • 目的:通过共享一个包含多个外出中继线的位置的主线,通过服务信息来选择和控制多个外出中继线之间的一个输出中继线,从而在自动电话交换方面轻松经济地安装附加的出行中继线。 规定:当用户摘机电话机2拨打显示服务请求的特殊代码时,公共控制器5通过中继线块连接器激活一般出站中继线3。 激活的中继线3激活用于新服务的输出中继4.然后,公共控制器5向两个中继线3和4输出服务信息。当一般输出中继线3判断总线1未连接到一般出站路由时, 新的业务中继线4连接到主链路1,主链路1,一般出站中继线3的一部分和新业务出路中继线4之间的电路被建立,并被控制并连接到新的业务传出路由。
    • 6. 发明专利
    • Transmission indentification system of special service subscriber
    • 特殊服务订户的传输标识系统
    • JPS6159954A
    • 1986-03-27
    • JP18041784
    • 1984-08-31
    • Fujitsu LtdHitachi LtdNec CorpNippon Telegr & Teleph Corp Oki Electric Ind Co Ltd
    • NAKAMURA JUNJIISHIKAWA ISAOSATO AKIHIKOMURAKOSHI SHIZUOITO MASAHIRO
    • H04M3/38H04M3/42H04Q3/42
    • H04M3/42
    • PURPOSE:To attain a special service subscriber transmission identification system with sure and excellent expanding performance by communication a special service outgoing trunk and a special service subscriber circuit so as to identify a special service subscriber. CONSTITUTION:When the special service subscriber dials a special service number, the number is connected top a special service outgoing trunk 4 via a main link 5. When the trunk 4 is acquired, an OFF rela 9 is started to transmit an OFF signal to a special service subscriber circuit 6. The circuit 6 receives it to activate a CHK relay and a CHK signal is transmitted to the outgoing trunk 4 via a special service confirming signal line 7. The special service is started only after the outgoing trunk 4 receives the CHK signal, and when no CHK signal is received even after a prescribed time is elapsed after the OFF signal is transmitted, a regulation circuit 8 regulates the special service.
    • 目的:通过特殊业务传出中继和特殊业务用户电路,实现具有肯定和优异扩展性能的特殊业务用户传输识别系统,以识别特殊业务用户。 规定:当专用服务用户拨打特殊服务号码时,该号码经由主链路5连接到特殊业务出行中继线4上。当获取中继线4时,开始关闭关闭9以将关闭信号发送到 特殊服务用户电路6.电路6接收它以激活CHK中继,并且CHK信号经由特殊服务确认信号线7发送到输出中继线4.专用服务仅在输出中继线4接收到CHK之后才启动 信号,并且即使在OFF信号被发送之后经过规定时间之后也没有接收到CHK信号,调节电路8调节特殊服务。
    • 7. 发明专利
    • Noise preventing circuit
    • 噪音预防电路
    • JPS5925493A
    • 1984-02-09
    • JP13475082
    • 1982-08-03
    • Fujitsu LtdHitachi LtdNec CorpNippon Telegr & Teleph Corp Oki Electric Ind Co Ltd
    • MANABE KAZUMASAISHIKAWA ISAOTEZUKA TAKAOSHIBANO SHIYOUGOKUBO MASAHIDE
    • H04Q3/54H04Q3/00
    • H04Q3/0016
    • PURPOSE:To reduce a noise quantity generated by the variation of switching voltage, by providing a trunk circuit which is equivalent to the trunk circuit at the other terminal side of a channel of an intra-office device before switching at the preceding stage of a transmitting/receiving device of the intra-office device. CONSTITUTION:Th impedance Z1 of the channel at the side of a transmitting/ receiving device B passing through a switch contact sw from a transmitting/ receiving device A is set equivalent to the impedance Z2 of the channel at the side of a transmitting/receiving device C passing through the active side of the contact sw from the device A. As a result, it is possible to suppress the voltage variation to the device A which receives a reduced effect of electrical conditions following the channel passed through the contact sw from the device A for an intra-office device TRK which supplies power to the device A and when the channel is switched to both devices A and C by the function of the switch sw during communication of information between devices A and B. This reduces the switching noises generated at the side of the device A and ensures a stable supply of power.
    • 目的:为了减少由开关电压的变化产生的噪声量,通过提供一个干线电路,该干线电路在切换前一阶段的发送之前提供与在办公室内设备的信道的另一终端侧的中继电路相当 /接收设备。 构成:通过来自发送/接收装置A的开关触点sw的发送/接收装置B侧的信道的阻抗Z1被设置为等于发送/接收装置侧的信道的阻抗Z2 C通过来自设备A的触点sw的有效侧。结果,可以抑制对从设备通过触点sw的通道之后的电气条件的减小的影响的装置A的电压变化 A用于向设备A供电并且当通过设备A和B之间的信息通信期间通过交换机sw的功能将信道切换到设备A和C两者的局部设备TRK。这减少了产生的交换噪声 在设备A的侧面,并确保稳定的电力供应。