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    • 42. 发明申请
    • COMMUNICATION CHANNEL SWITCHING ARRANGEMENT
    • 通信信道切换安排
    • WO1994005108A1
    • 1994-03-03
    • PCT/GB1993001717
    • 1993-08-13
    • RAYCHEM LIMITEDN.V. RAYCHEM S.A.VAN LEEUW, Luc
    • RAYCHEM LIMITEDN.V. RAYCHEM S.A.
    • H04M03/30
    • H04M3/301H04M3/18
    • A switching arrangement that can be connected in a communications channel that comprises a pair of lines, between sets of terminal equipment, which comprises: (i) a line switch (6, 7), that is series connected in each of the lines; and (ii) a control circuit (8) for the line switches comprising: (a) a charge reservoir (9) that is connected between the lines; (b) a reservoir charging switch (10) that is connected in series with the charge reservoir and controls the charging of the reservoir in response to a signal on the line; and (c) a reservoir discharging switch (11) that is controlled by a signal on the line and will allow the reservoir (9) when charged to energise control terminals of the line switches so that the line switches (6, 7) can maintain in an open state for a period of time by discharging of the reservoir.
    • 一种可以连接在通信信道中的切换装置,该通信信道包括终端设备组之间的一对线路,其包括:(i)串行连接在每条线路中的线路交换机(6,7) 以及(ii)用于所述线路开关的控制电路(8),包括:(a)连接在所述线路之间的电荷贮存器(9) (b)储存器充电开关(10),其与充电储存器串联连接,并根据线路上的信号控制储存器的充电; 和(c)由线路上的信号控制的储存器排放开关(11),并且当充电时允许储存器(9)激励线路开关的控制端子,使得线路开关(6,7)能够维持 在开放状态下一段时间通过排放水库。