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    • 2. 发明授权
    • Multiplexed TTY signaling for telematics
    • 用于远程信息处理的多路复用TTY信号
    • US07323973B1
    • 2008-01-29
    • US11331617
    • 2006-01-13
    • Michael J. CegliaS. Robert Miller
    • Michael J. CegliaS. Robert Miller
    • B60Q1/00
    • G08G1/205
    • In response to a triggering event at a location such as a vehicle that has crashed a telematics system initiates a telecommunications call via telecommunications link 8 to PTN 10, through which it is routed to local 9-1-1 system 14 and thereby to local PSAP 18. Telematics system 2 waits, 26 (N), for local PSAP 18 to respond, 26 (Y), then exchanges ACN data with it per TTY protocols, 28. The PSAP then sends a command code back to the vehicle or other location to allow for voice communications with a person at the location. Other functions such as shutting the vehicle engine off can also be controlled by PSAP.
    • 响应于在诸如车辆的位置的触发事件已经崩溃了远程信息处理系统,通过电信链路8向PTN 10发起电信呼叫,通过该呼叫将其路由到本地9-1-1系统14,从而发送到本地PSAP 18。 28(N),本地PSAP 18响应26(Y),然后根据TTY协议交换ACN数据,28(N)。 PSAP然后将命令代码发送回车辆或其他位置以允许与该位置处的人进行语音通信。 关闭车辆发动机的其他功能也可以由PSAP控制。
    • 3. 发明授权
    • Hook-flash simulation in parallel with off-hook devices
    • Hook-flash仿真与摘机设备并行
    • US06947546B2
    • 2005-09-20
    • US09954995
    • 2001-09-18
    • Michael J. Ceglia
    • Michael J. Ceglia
    • H04M1/82H04M3/30H04M1/00H04M9/00
    • H04M1/82H04M3/30
    • A method for producing a hook-flash event on a loop (6B) incorporating a supervisory signal circuit. The supervisory signal circuit includes a supervisory signal source (2) that causes a supervisory current to flow around the loop through a threshhold detector device (4) and one or more supervised devices (10 and 24). When a counter-signal source (34) is connected to the loop, it opposes the flow of loop supervisory loop current (12), causing its level to drop below the detection threshhold of the threshhold detector device. After a timed period, the counter-signal source is disconnected from the loop, allowing the level of supervisory loop current to return to its normal state, thereby completing the hook-flash event on the loop.
    • 一种用于在包含监控信号电路的环路(6B)上产生挂钩闪光事件的方法。 监控信号电路包括监控信号源(2),其使得监控电流通过阈值检测器装置(4)和一个或多个监督装置(10和24)围绕该环路流动。 当反信号源(34)连接到回路时,它反对环路监控回路电流(12)的流动,使其电平下降到阈值检测器设备的检测阈值以下。 在定时周期之后,反信号源与环路断开,允许监控回路电流的电平恢复到其正常状态,从而在循环上完成挂机闪存事件。