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    • 2. 发明授权
    • Fault tolerant, self-powered data reporting system
    • 容错,自供电的数据报告系统
    • US4463352A
    • 1984-07-31
    • US395361
    • 1982-07-06
    • Ronald L. ForbesRichard G. Winkler
    • Ronald L. ForbesRichard G. Winkler
    • H04B3/44H04L12/40H04Q9/00G08B19/00
    • H04L12/40045H04B3/44H04L12/10
    • A fault tolerant, self-powered data gathering system is provided having a communication channel having at least three lines, a controller connected to the communication channel for receiving data messages from remote stations and for supplying power to the remote stations, the controller having a selector for selecting a pair of the three lines over which data messages can be received, the pair also supplying the power to the remote stations, and a plurality of remote stations connected to the communication channel, each remote station having a rectifier bridge connected to the three lines, the rectifier bridge accepting power of either polarity and bidirectional data flow, a power store connected to the rectifier bridge for storing power supplied by the controller, a data message apparatus for transmitting data messages to the controller, and a transmitter connected to the rectifier bridge and to the data message apparatus for transmitting the data messages over the communication channel to the controller.
    • 提供容错的自供电数据采集系统,其具有至少三行的通信信道,连接到通信信道的控制器,用于从远程站接收数据消息并向远程站供电,控制器具有选择器 为了选择可以接收数据消息的三条线对,该对也向远程站提供电力,以及连接到通信信道的多个远程站,每个远程站具有连接到三个的整流桥 线路,接受极性和双向数据流的功率的整流桥,连接到整流桥的功率存储器,用于存储由控制器提供的电力;数据消息装置,用于向控制器发送数据消息,以及连接到整流器的发射器 桥接器和用于通过通信通信发送数据消息的数据消息装置 去控制器。
    • 4. 发明授权
    • Method and apparatus for high impedance ringer detection
    • 用于高阻抗振铃器检测的方法和装置
    • US5870451A
    • 1999-02-09
    • US965360
    • 1997-11-06
    • Richard G. WinklerKurt E. SchmidtDavid J. Groessl
    • Richard G. WinklerKurt E. SchmidtDavid J. Groessl
    • H04M3/02H04M3/08H04M3/24H04M3/30H04M1/24G01R31/11H01H31/02
    • H04M3/305H04M3/085H04M3/247H04M3/30H04M3/02H04M3/2209
    • A line test system for diagnosing and segmenting faults in a switched telephone network. The system includes a remote measurement unit installed at a switch and a test system controller. The test system controller stores data about operating parameters of each of the subscriber lines when they are believed to be free of faults. When a fault is reported, the parameters are measured again. By comparison of the measured parameters with the stored parameters, the fault can be segmented between the premise and the network. Segmentation is performed using knowledge based analysis techniques. The actual source of the fault once it is repaired is also stored by the test system controller. This historical information is used to improve the accuracy of the knowledge based analysis techniques used for segmentation. The line test system is capable of detecting the presence of high impedance ringers. Information on high impedance ringers is used to distinguish between lines that contain open circuit faults and lines that are terminated with high impedance ringers.
    • 一种用于诊断和分段交换电话网络故障的线路测试系统。 该系统包括安装在开关和测试系统控制器上的远程测量单元。 当它们被认为没有故障时,测试系统控制器存储关于每个用户线路的操作参数的数据。 报告故障时,再次测量参数。 通过比较测量参数与存储的参数,故障可以在前提和网络之间进行分段。 使用基于知识的分析技术进行分割。 修复后的故障实际来源也由测试系统控制器存储。 该历史信息用于提高用于分割的基于知识的分析技术的准确性。 线路测试系统能够检测高阻抗振铃器的存在。 关于高阻抗振铃器的信息用于区分包含开路故障的线路和使用高阻抗振铃器终止的线路。