Bob Tremblay, Product Marketing Manager, demonstrates how the DS1100 3D displacement sensor reads raised/embossed DOT characters on an automotive tire. Visit Cognex.com to learn more about how the DS1000 uses laser triangulation technology to capture topographical information like this OCR application from whatever surface it's scanning. http://www.cognex.com/3D-displacement-sensor-laser-profiler.aspx?cm_campid=CBE3862F-9518-E211-AE9B-5EF3FCDAF1B7