Device for vibration compensation of the weight signal of a weighing sensor
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United States of America Patent
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Aug 16, 2016
Grant Date -
Jun 24, 2010
app pub date -
Dec 22, 2009
filing date -
Dec 23, 2008
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Abstract
Device for vibration compensation of weighing sensor weight signals, with a weighing signal branch having an analog/digital converter unit to which a weighing sensor analog weighing signal is fed, and that generates a digital weighing signal that contains discrete sample values of the sampled analog weighing signal of the weighing sensor. At least one compensation signal branch has an analog/digital converter unit to which an acceleration sensor analog noise quantity is fed for detecting a specified acceleration noise quantity, and that generates a digital noise quantity signal containing discrete sample values of the acceleration sensor analog noise quantity signal. The digital noise quantity signal is fed to an adaptive digital filter unit. An addition unit sums the signal values of the digital weighing signal and the signal values (carrying a negative sign) for the digital noise quantity signals fed to it.
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