Patent ID: 7992686

Claim:
A lift truck, comprising: a power unit; a fork moveably coupled to the power unit; a weight sensor coupled to the fork for producing a weight control signal indicative of a weight of a load provided on the fork; a lift motor coupled to the fork for raising and lowering the fork; a height sensor coupled to the fork for producing a height control signal indicative of a height of the fork; a wheel coupled to the power unit; a distance sensor coupled to the wheel for providing a distance control signal indicative of a distance traveled; and a vehicle control system, the vehicle control system in communication with the weight sensor, the height sensor, and the distance sensor, wherein the vehicle control system is programmed to receive the weight control signal, the height control signal, and the distance control signal, and is programmed to determine whether a pallet has been moved based on the weight control signal, the height control signal, and the distance control signal, and to increment a pallet count.