Invention Grant
- Patent Title: Automatic shading electric welding lens comprising a liquid crystal plate and a time-delay switch
- Patent Title (中): 包括液晶板和时间延迟开关的自动阴影电焊透镜
-
Application No.: US13079120Application Date: 2011-04-04
-
Publication No.: US08953104B2Publication Date: 2015-02-10
- Inventor: Xiangdong Ge , Senwen Wang
- Applicant: Xiangdong Ge , Senwen Wang
- Applicant Address: CN Hangzhou
- Assignee: Hangzhou Rainbow Electronic Co., Ltd.
- Current Assignee: Hangzhou Rainbow Electronic Co., Ltd.
- Current Assignee Address: CN Hangzhou
- Agency: Workman Nydegger
- Priority: CN200920119838 20090514
- Main IPC: G02F1/1335
- IPC: G02F1/1335 ; A61F9/06 ; G02F1/1347
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.
Public/Granted literature
- US08836871B2 Automatic shading electric welding lens comprising a liquid crystal plate and a time-delay switch Public/Granted day:2014-09-16
Information query
IPC分类:
