| 20100188209 | WIRELESS TRACKING AND MONITORING SYSTEM - The invention relates to a wireless tracking and monitoring system having at least one mobile unit and at least one central unit, wherein each mobile unit has at least one first communication component for communication with the central unit, wherein each mobile unit has at least one sensor, and wherein position finding can be carried out via a position finding system by at least one of the sensors. In this case, each mobile unit has a second communication component for communication with the central unit or with a target unit, and wherein the first and the second communication components of the mobile unit can be operated at the same time. | 07-29-2010 |
