Patents Assigned to Changzhou Huada Kejie Opto-Electro Instruction Co. Ltd
  • Patent number: 9791271
    Abstract: 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.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: October 17, 2017
    Assignee: Changzhou Huada Kejie Opto-Electro Instruction Co. Ltd
    Inventors: Ou Zhang, Kai Fei
  • Publication number: 20150268044
    Abstract: 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.
    Type: Application
    Filed: June 5, 2015
    Publication date: September 24, 2015
    Applicant: Changzhou Huada Kejie Opto-Electro Instruction Co. Ltd
    Inventors: Ou Zhang, Kai Fei