75277160
Apr 18, 1997
Aug 1, 2000
computer hardware; digital and analog input/output subsystems comprised of computer hardware, process interface cards, peripheral controllers, communications controllers, fiber optic link units, external power backup and fans chassis, and computer software for use in monitoring the presence and level of voltages from sensors installed in a manufacturing environment and reporting that information, and for use in generating voltage levels that are used to control a variety of industrial equipment and related machinery
Electrical and Scientific Apparatus