Measurement device with at least one sensor
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United States of America Patent
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Dec 11, 2012
Grant Date -
Jul 9, 2009
app pub date -
Jun 26, 2008
filing date -
Jul 4, 2007
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Abstract
A measurement device has at least one sensor for detecting a parameter, a data storage unit, and a power supply for said sensor and data storage unit. In addition to the first sensor, the measurement device has at least one second sensor connected to the power supply and to the data storage unit. The second sensor is provided for detecting a physical quantity acting on the first sensor and is capable of permanently altering the measurement characteristic of the first sensor. An evaluator functions coactively with the second sensor and the data storage unit so that the permanent alteration of the measurement characteristic of the first sensor is recordable as a function of the measurement signal of the second sensor.
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