Patent ID: 6011244
Filing Date: 2000-01-04
Classification: B32B,H05B

Abstract:
An electrically heated window having a transparent portion, the window being in the approximate shape of a trapezium and comprising:at least two plies of sheet glazing material,at least one ply of interlayer material, the electrically heated window being laminated from said plies of sheet glazing material and interlayer material with the ply of interlayer material extending between the plies of sheet glazing material,an array of fine, closely spaced wires carried by one of said plies,at least some of said wires extending along diverging lines and fanning out so that the array extends over substantially all of the transparent portion of the window,electrical connection means for connecting the array to an electrical supply so as to pass current through the wires and heat substantially all of the window,the array of wires being configured to limit any variation in heating effect over the transparent portion of the window.