Portable non-invasive testing apparatus with logarithmic amplification
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United States of America Patent
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Nov 30, 1993
Grant Date -
N/A
app pub date -
Apr 3, 1992
filing date -
Apr 3, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A portable apparatus for the non-invasive, simultaneous, self-testing of fetal and maternal signals which comprises: a user display means to indicate that the device is operational; an ultrasonic means connected to the device for detecting fetal heart rate; a detection means connected to the device for detecting maternal input signals; signal processing means including a logarithmic amplification means for simultaneously processing fetal heart rate and maternal input signals; and a communication linking mean for the simultaneous transmission of fetal heart rate and maternal input data to a remote output device.
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Family
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