发明名称 AUTOMATED SENSITIVITY SETTING FOR AN AUTO-DARKENING LENS IN A WELDING HELMET
摘要 There are provided systems and methods for automatic adjustment of sensitivity threshold settings in an auto-darkening lens. For example, a user may initiate an automatic sensitivity setting process by activating a user interface (e.g., a button, a switch, a slider, etc.). The automatic sensitivity setting process may proceed to gradually increase the sensitivity threshold voltage until it exceeds an optical voltage based on the ambient light. The process may then be terminated. In some embodiments, a hysteresis may be added to the sensitivity threshold voltage to prevent lens flicker. The automatic sensitivity setting process may be implemented in a digital or analog system. These automatic sensitivity setting processes and systems may save time and provide for more precise sensitivity adjustment.
申请公布号 US2009094721(A1) 申请公布日期 2009.04.16
申请号 US20080245522 申请日期 2008.10.03
申请人 ILLINOIS TOOL WORKS INC. 发明人 BECKER WILLIAM J.
分类号 A61F9/06 主分类号 A61F9/06
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