Position tracking system for various mobile tractors and trailers, remote system for use in a position tracking system, and method for maintaining a mobile tractor-trailer database for use in a position tracking system

摘要

"POSITION TRACKING SYSTEM FOR VARIOUS TRACTORS AND TRAILERS, REMOTE SYSTEM FOR USE IN A POSITION TRACKING SYSTEM, AND METHOD FOR MAINTAINING A MOBILE TRACTOR DATABASE FOR USE IN A TRACKING TRACKING SYSTEM". A position tracking system for several mobile tractors and trailers includes a unique electronic identifier for each of several trailers. For each tractor among several tractors, the position tracking system includes a navigation system for determining a current tractor position, an electronic identifier reader for acquiring the electronic identifier of a tractor-coupled trailer, and a tractor reporting subsystem. position to report to a remote system the current position of the tractor and the electronic identifier of the trailer coupled to the tractor. In addition, the position tracking system includes, within each facility, among several fixed location facilities, one or more electronic identifier readers for acquiring the electronic identifier of one or more trailers located within the facility, and a tracking report subsystem. trailer presence, to report to the remote system the presence of one or more trailers located within the facility.