| 摘要 |
<p>Detection system comprising at least a receiver, a detector and an element that can be brought into one or more predetermined states. The receiver reacts to the states of the element when the latter is brought into the vicinity of the receiver. The receiver controls the detector in order to emit a detection signal that is associated with the state of the element. There is a video camera focused on the surroundings of the receiver for recording the wearer wearing the element and a memory device is installed for storing the images recorded by the video camera.</p> |
