Invention Grant
US08154305B2 Systems, methods, and apparatus for connection fault self-monitoring with DC bias current 有权
用直流偏置电流连接故障自监控的系统,方法和设备

Systems, methods, and apparatus for connection fault self-monitoring with DC bias current
Abstract:
Certain embodiments of the invention may include systems, methods, and apparatus for providing connection fault self-monitoring with DC bias current. According to an example embodiment of the invention, a method is provided for obtaining measurements and detecting connectivity faults associated with a voltage mode sensor. The method can include coupling a DC bias current into a circuit. The circuit includes a voltage mode sensor, and the voltage mode sensor can output a time varying signal. The method can also include setting a nominal level of the DC bias current, monitoring a voltage associated with the DC bias current, and determining circuit connectivity status based at least in part on monitoring the voltage.
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