Document Type and Number:
Japanese Patent JPS4724681
Kind Code:
Y1
Abstract:
A defogging glass plate includes an electric heating element, such as being made of conductive films or electric resistance strips for electrically heating the glass plate, and a sensor having a pair of electrodes which are arranged in parallel with a suitable gap and which are fitted on the surface of the glass plate, for automatically controlling the application of heat to the glass plate depending on the cloudiness or visibility thereof.
Application Number:
JP12649870U
Publication Date:
August 03, 1972
Filing Date:
December 18, 1970
Export Citation:
International Classes:
B60S1/58; E06B7/12; H01H35/42; H05B3/84; (IPC1-7): C03C27/00