Method and improved apparatus for analyzing activity
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United States of America Patent
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-
Jan 31, 1984
Grant Date -
N/A
app pub date -
Sep 11, 1980
filing date -
Sep 11, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and associated means for producing simultaneous electrical representations of the electrical and acoustical (heart sound) activity of the heart, in which a pickup device and associated circuits produce a full wave rectified symmetrical heart sound signal annotated by pulses developed from the QRS wave of the electrocardiogram signal. The pickup device is designed to permit the direct (unbuffered) application of the pickup electrodes to the skin of the body and to provide a control of the associated circuits when not in contact with the body to shorten response times when the pickup device is placed in contact with the body.
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