Sensor having an answerback device
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United States of America Patent
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-
Apr 16, 1991
Grant Date -
N/A
app pub date -
Dec 23, 1988
filing date -
Dec 23, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sensor device structurally not combined with an evaluation circuit, for detecting physical magnitudes is equipped with an answerback device, in the memory component of which are stored correction data (sensor identification and characteristic data). The answerback device is connected for the transmission of identification and characteristic data with the evaluation circuit by way of at least two of the lines normally utilized for the measured value transmission and/or the energy supply of the sensor device and by way of a further line serving the transmission of a clock signal and is activatable by the same. With the use of a further measurement line and by a special circuit of the answerback device, correction data can be read-in additionally into the same during a calibration.
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