73001895
Sep 24, 1973
Jun 15, 1976
ELECTRICAL LOADING LEVEL CONTROLS FOR CONTROLLING THE LOADING OF ESCALATORS, ELEVATORS, AND HORIZONTAL CONVEYANCES, COMPRISING ELECTRONIC LOAD SENSORS AND CONTROL BOXES FOR CONVERTING DEFLECTION SIGNALS INTO AN ELECTRICAL OUTPUT THAT CONTROLS SAID ESCALATORS, ELEVATORS, AND HORIZONTAL CONVEYANCES AND/OR OPERATES INDICATORS, RELAYS, AND ALARMS
Electrical and Scientific Apparatus