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Apparatus and method for protecting eyes from ultraviolet and bright visible light
Apparatus and method for protecting eyes from ultraviolet and bright visible light
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机译：保护眼睛免受紫外线和明亮可见光影响的设备和方法
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摘要
A welding protection apparatus for providing eye protection from ultraviolet light and visible light generated by a welding apparatus during a welding procedure. The apparatus comprises an eye protection panel (22) configured to absorb ultraviolet light with an absorber (26), in a manner to prevent the ultraviolet light generated during the welding procedure from injuring eyes of a user viewing the welding procedure through the panel. Further, the panel is switchable between a light scattering state and a transparent state, using an active medium (32). When in its light scattering state, the panel diffuses visible light in a manner to prevent the visible light generated by the welding procedure from injuring the eyes of the viewer. In its transparent state, the panel passes the visible light to allow the user a clear view of the welding apparatus. The panel is in its scattering state during the generation of intense visible light by the welding apparatus and is transparent when no intense visible light is generated.
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