摘要 |
<p>The device has a ring (16) retained by a retractable finger (15) controlled by an electric motor (20) via an impact detector equipped on a fictional person (1), where the fictional person is maintained in a vertical position using cords (21). The detector sends electric impulsions to the electric motor, where a part of the fictional person below a hinge (13) and a part of the fictional person above another hinge (14) are in an unstable equilibrium position.</p> |