Safety equipment for freight loading and unloading docks
First Claim
1. 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.
1 Assignment
0 Petitions
Accused Products
Abstract
To inform warehousemen that a vehicle that has arrived at a dock is situated so as to allow loading or unloading operations, the dock is equipped with a series of radio identification tags placed in succession along an access lane to the dock and it is verified by appropriate devices associated with the dock whether a locating device placed in the immediate vicinity of the vehicle and carrying readers of radio identification tags is or is not arranged at a position with respect to a given direction in relation to the succession of tags along the access lane to the dock. The locating device is advantageously implemented in the form of a restraint chock for the wheels of the vehicle or in the form of any other means for immobilizing the latter at the dock.
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Citations
16 Claims
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1. Safety equipment for a dock for loading and unloading freight to and from vehicles brought to the dock, the safety equipment comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification