Method and apparatus for acquiring and transmitting electrophysiological signals, and apparatus for recording an MRI image
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United States of America Patent
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Issued Date -
Jun 3, 2004
app pub date -
Nov 10, 2003
filing date -
Nov 11, 2002
priority date (Note) -
Abandoned
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Abstract
To transmit electrophysiological data from an interference region (S) of an MRI arrangement (20) to an evaluation and/or display unit (10) a signal is handled in a recording arrangement (1) arranged within the interference region (S). The ECG signal (E) is first subjected to analogue above-linear compression, is then digitized and is transmitted as a digitized signal (D) to an evaluation and/or display unit (10). The digital signal (D) is subjected to above-linear digital expansion in the evaluation and/or display unit (10).
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