| 摘要 |
The invention is aimed in particular at the locating in real time of self-powered mobile elements. Each mobile element can be located in real time by electromagnetic radiation. It comprises means (505, 520) for receiving a radioelectric signal comprising at least one item of synchronization information, these means being configured to receive energy from a received radioelectric signal, means (515) for emitting an electromagnetic signal, the electromagnetic signal being emitted in response to an activation signal, and control means (510) connected to the receiving means and to the means for emitting an electromagnetic signal, the control means being electrically powered by said means for receiving a radioelectric signal and being configured to generate an activation signal in response to synchronization information. |
