Portable non-invasive testing apparatus with logarithmic amplifi

Details Portable non-invasive testing apparatus with logarithmic amplifi Portable non-invasive testing apparatus with logarithmic amplifi

1992-04-03

1993-11-30

Jaworski, Francis

Boot and shoe making

A61B 802

Patent

active

052656136

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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