| 摘要 |
<p>The present invention relates to a device for detecting and analyzing vital parameters, particularly the pulse and respiration. A metal plate (3) fixed in direct proximity to the body surface (14) serves as a sensor element. The metal plate (3) is coupled to a non-linear LC oscillating circuit (11). Changes in the outermost body layers (15) caused by respiration and/or the pulse result in a shift in the resonant frequency of the LC oscillating circuit (11), in turn causing a change in the amplitude of oscillation. The amplitude of oscillation is measured, digitized, analyzed by a microprocessor (18), and evaluated. The result is displayed in a form understandable even to a layperson. The device operates automatically and determines the vital parameters independently. All components, including the power supply, are integrated in a small housing (2).</p> |
