Sensor device
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United States of America Patent
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Nov 7, 2000
Grant Date -
N/A
app pub date -
Nov 25, 1998
filing date -
Nov 27, 1997
priority date (Note) -
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Abstract
A sensor device is disclosed having a controller (9) which defines at least a first operating state (b1) and a second operating state (b2), the first operating state being preferably triggerable by application of a supply voltage (U.sub.B). A setting facility (5) adapts the operating range of a measuring facility (2) quickly to the respective DC level (s0) of a sensor signal (s1) in the first operating state (b1), and determines a mean sensor signal value (sm) for tracking purposes in the second operating state (b2). An output circuit (4) provides a first output signal (s3) independent of the sensor signal (s1) in the first operating state and a second output signal (s4) dependent on the superposed sensor signal (s2) in the second operating state (b2).
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