Transducer comprising a connected data memory
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United States of America Patent
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Mar 21, 2006
Issued Date -
N/A
app pub date -
Jun 20, 2002
filing date -
Jun 22, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a transducer (4) and a method for determining measuring values and for exchanging data between an evaluation device and the transducer which are connected by at least two connecting lines (2B, 2A; 11, 12). Data which is predetermined by the evaluation device is read-out of the data memory and/or rewritten into the same via at least two connecting lines (2A, 2B; 12) which have the same electrical potential in the measuring operation. The data memory is embodied as a data memory module (5) and contains a current limitation circuit (2) by which the system can be switched from the measuring mode to a communication mode for data transfer. The lines (2A, 2B; 11, 12) are thus provided for switching into the communication mode and for exchanging data during the measuring operation, and for feeding the transducer (4) and/or for detecting measuring values.
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