Patents Assigned to HANGZHOU RAINBOW ELECTRONIC CO., LTD.
  • Automatic shading electric welding lens comprising a liquid crystal plate and a time-delay switch
    Patent number: 8953104
    Abstract: An automatic shading electric welding lens comprises a view window and a side frame. The view window is composed of an optical filter and a liquid crystal sheet sequentially overlapped. The automatic shading electric welding lens is provided with an illuminating device. The illuminating device includes a lighting body, a switch and a power supply electrically connected to each other to form a loop. The lighting body is arranged on a surface of the side frame facing a welding object. The lighting body is a light emitting diode. The switch is a time-delay switch.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: February 10, 2015
    Assignee: Hangzhou Rainbow Electronic Co., Ltd.
    Inventors: Xiangdong Ge, Senwen Wang
  • AUTOMATIC SHADING ELECTRIC WELDING LENS
    Publication number: 20110176072
    Abstract: An automatic shading electric welding lens comprises a view window and a side frame. The view window is composed of an optical filter and a liquid crystal sheet sequentially overlapped. The automatic shading electric welding lens is provided with an illuminating device. The illuminating device includes a lighting body, a switch and a power supply electrically connected to each other to form a loop. The lighting body is arranged on a surface of the side frame facing a welding object. The lighting body is a light emitting diode. The switch is a time-delay switch.
    Type: Application
    Filed: April 4, 2011
    Publication date: July 21, 2011
    Applicant: HANGZHOU RAINBOW ELECTRONIC CO., LTD.
    Inventors: Xiangdong Ge, Senwen Wang