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    • 2. 发明专利
    • Connection processing system
    • 连接处理系统
    • JPS59114953A
    • 1984-07-03
    • JP22444582
    • 1982-12-21
    • Fujitsu Ltd
    • UNO FUMIOHATANAKA TOSHIKIKATSUKI TOSHIOSAITOU SHIYUUJI
    • H04M3/42
    • H04M3/42
    • PURPOSE:To attain the smooth switching with a simple connection processing by connecting the call switch connection to a desired terminal via a folded loop circuit when a call of a busy mode has talking with a third party. CONSTITUTION:Telephones A and B stored in digital switch modules SM1 and SM2 are connected each other via a connection line 1. Then a telephone C gives a call to the telephone A via a connection line 2 in a busy mode of the A. Thus the C is switched to a call waiting mode and connected to a folded loop circuit LT by the module SM1. Then a folded terminal of the circuit LT is connected to the telephone B and a 3-way trunk TWT respectively. Then the telephone A is connected to the telephone C via the line 2 after knowing a call incoming under communication and performing the hooking. Thus the talking is possible with the telephone A. While a waiting sound HST is connected to the telephone B via the line 1 and the circuit LT. Then the telephone A has hooking again after the talking is through with the telephone C, and the telephone A can have talking again with the telephone A.
    • 目的:当忙碌模式的呼叫与第三方通话时,通过简单的连接处理实现通过折叠环路连接呼叫交换机连接到所需终端的平滑切换。 规定:存储在数字开关模块SM1和SM2中的电话A和B经由连接线路1彼此连接。然后,电话机C通过连接线路2在A的忙碌模式下拨打电话A.因此, C切换到呼叫等待模式,并通过模块SM1连接到折叠回路电路LT。 然后,电路LT的折叠终端分别连接到电话B和3路主干TWT。 然后在知道通信中进入的呼叫并执行挂机之后,电话机A通过线路2连接到电话机C. 因此,可以用电话A进行通话。等待声音HST通过线路1和电路LT连接到电话机B. 然后电话A在电话C通话之后再次挂机,电话A可以用电话A再次通话。
    • 4. 发明专利
    • CALL MONITORING SYSTEM
    • JPS57154964A
    • 1982-09-24
    • JP4003981
    • 1981-03-19
    • FUJITSU LTD
    • KATSUKI TOSHIOSAITOU SHIYUUJI
    • H04M3/22H04M3/42H04Q11/04
    • PURPOSE:To realize the call monitoring at an optional place, by setting the channels of a subscriber or a monitor request subscriber by means of a time shared switchboard via a multi-subscriber channel trunk and then converting the aural information given from the monitor request subscriber into a soundless data at the input side of the multi-subscriber channel trunk. CONSTITUTION:When a subscriber C monitors the channels of subscribers A and B, the request information of the monitor request subscriber C is connected to a multi-subscriber channel trunk TWT via a central controller and controlled to be written into control memories PTC1-PTC4 of primary time switches PTS1-PTS4 respectively. At the same time, the subscribers A and B are connected to a secondary time switch STS4 of the input side of the trunk TWT via a space switch SSW through time slots TSalpha and TSbeta, and the subscriber C is connected to the switch STS4 in the same way through a time slot TSgamma. Then the call information of the subscriber C is written into the switch PT4 through a switch PT3, and the subscribers A and B are prevented from hearing the voiceless data in place of the information of the time slot TSgamma. In such way, the monitoring is possible.
    • 5. 发明专利
    • RECEPTION SYSTEM FOR DIAL INFORMATION
    • JPS5691573A
    • 1981-07-24
    • JP17004279
    • 1979-12-26
    • FUJITSU LTD
    • KAWAMURA MICHIYUKIKATSUKI TOSHIO
    • H04Q3/555H04M3/60H04Q3/42
    • PURPOSE:To eliminate the need to provide a dedicated PB incoming register, by providing the subscriber-equipped terminal of an automatic switchboard with special terminals for switchboard origination. CONSTITUTION:As subscriber SL asks switchboard ATT for a connection via trunk line TL, SL and switchboard inward trunk IWT are connected together in route 1 via line link network LLN and trunk link network TLN. Assuming operator's trunk PST to be in an originating state, switchboard outward trunk OWT detects the originating state of PST and finds a random free terminal among special terminals for switchboard origination to connect AL and PB originating register AL PBOR via route 4. Simultaneously, interruption route 5 is set via LLN and TLN from OWT to route 4. Dial information on a connection via TL from ATT is sent out of push-button dialing (PB) signal sending means PBS as signal PB. This signal PB is received by PB reciver PBR via route 4 and 5. Once it is judged that the dial information received by PBOR is for the connection via TL, route 5 of OWT is broken and it is connected to OGT via route 3. Further, route 4 is also released and PBOR becomes free. Then, SL and the called subscriber are connected together via routes 1 and 3.
    • 8. 发明专利
    • LINE SIGNAL CONTROL SYSTEM
    • JPS54162909A
    • 1979-12-25
    • JP7161578
    • 1978-06-14
    • FUJITSU LTD
    • OGATA YUUSUKEKATSUKI TOSHIOSASAHARA YUUJIROU
    • H04M7/00H04Q3/54
    • PURPOSE:To perform the transfer of line signals before lapse of the recognition time of the line signal in order to shorten the transfer signal at the multi-step repeating exchange from the preceding to next circuit or vice versa. CONSTITUTION:Receiver 51 within signal unit 5 transmits line signal F1 or F2 sent from the next circuit to central controller CC via scan circuit 7, and also transmits signal SP1 and SP2 in the same way if the line signal continues more than the fixed time T1 and T2. Controller CC, when receiving signal SP1, transmits immediately transmission command SF1 or SF2 of signal F1 or F2 to the transmitter similar to transmitter 52. Thus the transmitter transmits the line signals. With reception of signal SP2, CC recognizes that the line signal is effective to continue the transmission of the line signals to the preceding circuit. However, in case the line signal is not effective, the transmission of the line signals to the preceding circuit is stopped immediately.