Sensor apparatus and method for generating an output signal of a sensor apparatus
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United States of America Patent
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Oct 21, 2003
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N/A
app pub date -
Jul 26, 2002
filing date -
Jan 31, 2000
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Abstract
A sensor apparatus having a sensor for generating an analog sensor signal with successive minima and maxima is provided. The apparatus can include a first output signal generating device for generating a first alternating output signal in accordance with the zero crossings of the sensor signal; a sequence controller for defining a normal operating phase, in which the first output signal can be output, and a calibration phase, in which a second alternating output signal can be output; and an extremum defining device for the phase-shifted definition of the successive minima and maxima; the sequence controller furthermore having a zero crossing establishing device for establishing fictitious zero crossings of the sensor signal which follow the respective extrema defined by the extremum defining device.
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