An apparatus for processing data derived from the weight of a load carried by a haulage vehicle including a sensor processing unit for receiving data from pressure transducers and, in response thereto, detecting a change in the weight of the load and formulating data indicative of hauling conditions...http://www.google.co.uk/patents/US5995888?utm_source=gb-gplus-sharePatent US5995888 - Apparatus and method responsive to the on-board measuring of haulage parameters of a vehicle
