| 摘要 |
Abstract A system to provide a warning to a person in a vehicle when the vehicle is proximal or in a danger area to an emergency services vehicle or a hazard area, the system 5 comprising an emitter on the emergency services vehicle or in or adjacent the hazard area, a radio associated with the vehicle, the radio having a receiver to receive the signal from the emitter, a speaker, a decoder means to send a warning signal to the speaker when the receiver receives a signal from the emitter. |
