TREADVIEW

ELECTRONIC AND OPTICAL MEASURING INSTRUMENTS FOR MONITORING WHEELS OF RAILWAY VEHICLES, SUCH INSTRUMENTS CONSISTING OF CAMERAS, LIGHT SOURCES, ELECTRO-MECHANICAL WHEEL SENSORS, HOUSINGS THEREFOR, AND APPARATUS FOR RECORDING, TRANSMISSION, REPRODUCTION AND ANALYSIS OF IMAGES FROM THE CAMERAS, NAMELY INTERFACE UNITS, FRAME GRABBERS, AND COMPUTERS FOR PERFORMING IMAGE ANALYSIS, FOR CALCULATING DATA ABOUT SHAPE OF WHEELS, AND FOR STORING SUCH DATA, AND MONITORS FOR DISPLAYING SUCH DATA, ALL FOR MEASUREMENT AND CONDITION MONITORING OF THE WHEELS OF RAILWAY VEHICLES