| 摘要 |
<p>The invention comprises five components: a fastener, which is affixed or part on an article of clothing or some other object; a detection system, which detects whether the fastener has been left undone; a warning system, which warns the user that the fastener is undone; a timer circuit, which is activated when the detectors signal that the fastener has been left undone and thus controls the onset of the warning system; and the power source, that provides for the functioning of the detection system, the warning system and the timer circuit. This invention has the characteristic of warning the user that a fastener has been left undone and thus may prevent the occurrence of embarrassment, injury, loss or damage.</p> |
