Signal measuring system, method for electrically conducting signals and a signal cable
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United States of America Patent
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Aug 29, 2017
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Mar 29, 2011
filing date -
Apr 1, 2010
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Abstract
The present invention relates to a signal measurement system (100, 200, 300) for measuring a signal, the system comprising a signal detection unit (41) for detecting a raw signal, a signal processing unit (42) and a signal cable (10) electrically connecting the signal detection unit (41) with the signal processing unit (42). The signal cable (10) comprises a signal conductor (1, 2) for electrically conducting a first signal from the signal detection unit (41) to the signal processing unit (42), which first signal comprises at least the raw signal, a reference conductor (11, 12) for detecting and electrically conducting to the signal processing unit (42) only a noise signal induced by a movement of the signal cable (10) or by electromagnetic interference. In this way the effect of noise on the signal quality is reduced caused by movement of the signal cable (10) or other sources of noise that induce a noise signal in the signal cable (10), such as electromagnetic interference, while at the same time not increasing the power usage or power loss.
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