Welding helmet having a filter arrangement

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专利权人:

3M Innovative Properties Company

发明人:

Magnusson, Kristina,Jarefors, Kenneth

申请号：

AU2011336908

公开号：

AU2011336908B2

申请日:

2011.11.28

申请国别(地区):

AU

年份:

2015

代理人:

摘要：

A welding helmet having a filter arrangement is disclosed. The welding helmet is provided with a main filter and at least one auxiliary filter separate from and positioned next to the main filter. The at least one auxiliary filter comprises an electro-optic element adapted to attenuate the transmission of optical radiation incident on the auxiliary filter.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/