Patent ID: 7999680

Claim:
Safety equipment for a dock for loading and unloading freight to and from vehicles brought to the dock, the safety equipment comprising: radio identification tags arranged in a series along an access lane to the dock for vehicles transporting freight that are to be loaded or unloaded, the radio identification tags emitting a signal carrying an identification information characteristic of the order of succession of the radio identification tags in the series; a mobile locating device to be removably placed in a given position with respect to a vehicle brought to the dock, the mobile locating device carrying at least two radiowave transmitter readers which are capable of sensing the signals emitted by two different radio identification tags of the series so as to relay the signals to an analysis system for the signals carrying tag identification information unique to each of the radio identification tags and of reader attribute information that distinguishes the two readers from each other; and processing means at the analysis system for processing, from the radio identification tag information and the reader attribute information, a placement of the mobile locating device in the given position in respect to a predefined direction between the two readers relative to the order of succession of the radio identification tags in the series.