Portable circuit and method for performing a time study and analysis of bodily characteristics
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United States of America Patent
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May 31, 1988
Issued Date -
N/A
app pub date -
Sep 19, 1986
filing date -
May 4, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A portable circuit and method for performing a time study and analysis of bodily ionic characteristics as esophageal pH includes a transducer 11 for measuring pH and generating a proportional analog signal and an interface 12 for converting this signal into a representative digital signal including offset and gain controls 23,24 for permitting correction for transducer 11 calibration drift during the study period. A processor 14 receives and stores all digital signals for rapid transmission to a data analysis after the study period is ended. Esophageal pH values are measured and stored for a plurality of pre-study and post-study known conditions.
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