Patent ID: 7102501

Claim:
A device ( 1 ) for preventing misting of the windscreen ( 2 ) of a vehicle ( 3 ) having a passenger compartment ( 5 ), comprising: sensor means ( 4 , 6 , 7 ) for detecting ambient conditions capable of misting said windscreen ( 2 ) and supplying information regarding said ambient conditions; and intervention means which receive said information from said sensor means ( 4 , 6 , 7 ) and are activated automatically, upon said ambient conditions occurring, to prevent misting of said windscreen ( 2 ), wherein said sensor means ( 4 , 6 , 7 ) comprise radiant mean temperature sensor means ( 4 ) arranged inside said passenger compartment ( 5 ) to measure temperature (Ti) inside the passenger compartment ( 5 ), said radiant mean temperature sensor means ( 4 ) having a field of view including at least part of said windscreen ( 2 ).