| 摘要 |
A portable device for increasing road traffic safety, detecting emergencies and emitting an alarm call for a person. The portable device includes a communication device, a position-determining system, an evaluation unit and a vibration generator. The portable device communicates, by way of the communication device, with at least one further communication device of at least one external system. The person is warned by the vibration generator of a dangerous situation determined by the evaluation unit in combination with the position-determining system and the communication device. The dangerous situation is a collision of the person wearing the portable device with the at least one external system that includes the at least one further communication device. This collision is determined by way of a behavior prediction algorithm. When the, or a further dangerous situation arises, the portable device emits an alarm call by way of the communication device. |
