74581260
Oct 3, 1994
Oct 10, 1995
electronic control systems for use in managing open pit mining operations, comprising a central digital computer, circuit boards, power supplies, processors and electronic field display panels associated with trucks, shovels, crushers, and related mining equipment used within an open pit mine for receiving and displaying information remote from said digital computer, associated software, modems, and radio transceivers for linking said electronic field panels to said digital computer; electronic circuit boards; and electronic power supplies
Electrical and Scientific Apparatus