| 摘要 |
A face shield for a helmet. The face shield having a weather lens and a face lens spaced from the weather lens so as to form an air gap, is characterized in that an electroconductive film is attached to the air gap of the weather lens, in that upper and lower electrodes are printed on upper and lower sides of the electroconductive film, respectively, in that a plurality of dot electrodes which are uniformly spaced from each other are printed on the entire part of the electroconductive film, and in that the weather lens is made from a material such as a polycarbonate, butyrate, or an acrylic, and the face lens from an anti-fog sheet.
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