Sensor comprising a surface wave component
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United States of America Patent
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Aug 18, 2009
Grant Date -
Jun 5, 2008
app pub date -
Mar 31, 2005
filing date -
Apr 2, 2004
priority date (Note) -
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Abstract
The invention relates to a sensor (4) comprising a surface wave component (2) containing information relating to the sensitivity of the sensor. Said information can be consulted by means of a conventional measuring line (6) between an evaluation appliance (7) and the sensor (4). As said component (2) only comprises a small amount of information, for example three figures, it (2) can be very small, such that it can be integrated into a small sensor (4). The read sensor sensitivity can be automatically adjusted in the evaluation appliance (7). The information can be encoded on the surface wave component (2) by means of various reflectors (11) that can be frequency-selective.
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