DISPLAY DEVICE, AND SNOW ACCRETION PREVENTING METHOD MADE AVAILABLE BY THIS DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a display device and a snow accretion preventing method made available by the display device capable of keeping visibility without consuming a large amount of energy. SOLUTION: This device is capable of determining a location having snow accretion indicated on its display screen 11 by detecting moisture at each measuring point S. If any point where snow is accumulated is found, then its location can be determined by referring to a reference table T2 and checking heater areas R1 to R32 corresponding to a particular point S where the snow is accumulated, and a portion of the electric heating wire 32 corresponding to any of the heater areas R1 to R32 determined by the method stated above can be heated. In this way, an electric current is applied only to a particular area of the electric heating wire 32 required to be heated, and therefore the power consumption can be reduced to a minimum. COPYRIGHT: (C)2006,JPO&NCIPI