An improved roadway temperature monitoring system is designed to be powered by solar energy for measuring and transmitting sensed roadway surface temperatures over a wireless link to remote workstations comprises a module housing fabricated from a light-transmissive, thermally conductive tough plastic...http://www.google.es/patents/US7275864?utm_source=gb-gplus-sharePatente US7275864 - Wireless, solar-powered, pavement temperature sensor
Wireless, solar-powered, pavement temperature sensor
