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    • 30. 发明申请
    • LINE ANALYZER WITH AUTOMATIC PAIR COMBINATION SEQUENCING
    • 线分析仪与自动对配合测序
    • US20080074122A1
    • 2008-03-27
    • US11840843
    • 2007-08-17
    • Bruce BarsumianThomas Jones
    • Bruce BarsumianThomas Jones
    • G01R27/28
    • H04M3/305H04B3/46H04M3/308H04M2203/6027
    • A line analyzer for detecting line anomalies that may be indicative of electronic tape or other surveillance related electronics coupled to a wire pair in a multiple conductor cable utilizes a switching matrix to identify possible pairings of the conductors and instruct the analyzer to selectively couple to each of the identified conductor pairings. Tests such as non-linear junction detection and frequency or time domain reflectometry operations are automatically performed on each of the wire pairs by the analyzer. The analyzer can automatically identify balanced pairs and limit the testing to the identified balanced pairs to minimize the time required for testing if desired. The results are then mathematically and graphically compared to identify wires having line anomalies. The tests can be performed over time intervals to locate transient anomalies.
    • 用于检测线路异常的线分析器,其可以指示耦合到多导体电缆中的线对的电子带或其他监视相关电子器件利用开关矩阵来识别导体的可能配对,并指示分析器选择性地耦合到 识别的导体配对。 测试例如非线性结检测和频域或时域反射测量操作由分析仪自动执行每条线对。 分析仪可以自动识别平衡对,并将测试限制到所确定的平衡对,以尽可能减少测试所需的时间。 然后将结果进行数学和图形比较,以识别具有线异常的电线。 可以按时间间隔执行测试以定位瞬态异常。