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1. 发明授权

US6070264A Welding helmet having auto-darkening and manually adjustable lens shade control 有权
标题翻译：焊接头盔具有自动变暗和可手动调节的镜头遮光罩控制
公开(公告)号：US6070264A
公开(公告)日：2000-06-06
申请号：US289257
申请日：1999-04-09
申请人： Thomas J. Hamilton , Steven F. Kickham , Jerry Charles Cole , David Allen Shamery
发明人： Thomas J. Hamilton , Steven F. Kickham , Jerry Charles Cole , David Allen Shamery
IPC分类号： A61F9/06
CPC分类号： A61F9/067 , Y10S2/906
摘要： A welding helmet includes a shutter assembly with an electronically controlled liquid crystal shutter in a compact housing for physical mounting near the face area of a protective shell. The electronic controls provide for the customary auto-darkening function as well as two user selectable fixed shade settings which permit the user to fix the shutter shade in one of a plurality of preselected and factory set shade settings. When fixed at a shade setting, the user is given a visual indication that the helmet is not in an auto-darkening mode. The housing allows for two PC boards to be mounted above and below the optical shutter, with a flexible cable interconnecting the two PC boards so as to not interfere with or obscure the user's vision. The controls are all single function, readily accessible and continuous so that multiple operation of any one control does not switch the associated function off, allowing a user to continuously operate any control repeatedly to ensure its selection. As the electronics and shutter are self contained in a single housing, ready assembly and field change out are accommodated.
摘要翻译：焊接头盔包括具有电子控制的液晶快门的快门组件，其紧凑的壳体用于物理安装在保护壳的面部区域附近。电子控制器提供常规的自动变暗功能以及两个用户可选择的固定色调设置，其允许用户将快门遮光板固定在多个预选和出厂设置的阴影设置之一中。当在阴影设置下固定时，用户被给予头盔不处于自动暗化模式的视觉指示。外壳允许两个PC板安装在光学快门的上方和下方，柔性电缆互连两个PC板，以免干扰或遮蔽用户的视觉。控制器是单一功能，易于访问和连续，以便任何一个控制器的多个操作不会关闭相关的功能，允许用户重复连续操作任何控件以确保其选择。由于电子和快门自包含在单个外壳中，因此可以进行组装和现场更换。

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