Changzhou Huada Kejie Opto-Electro Instruction Co. Ltd
Changzhou Huada Kejie Opto-Electro Instruction Co. Ltd Patent applications | ||
Patent application number | Title | Published |
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20150268044 | Window Module, A Window and Laser Line Projector With the Window - A window for a laser line projector has a front window, a left window, and a right window positioned on the same plane. A projection of the front window, left window and right window has a shape of an isosceles trapezoid. The projection of the front window is an upper base of the isosceles trapezoid. The projections of the left window and right window are opposite legs of the isosceles trapezoid. | 09-24-2015 |